OREGON
OREGON DEPARTMENT OF FISH AND WILDLIFE BAY CLAM
DATA
DATA SERIES
SERIES REPORT
REPORT
1997
1997 BAY CLAM DATA SERIES REP0RT by
John A. Johnson
Oregon Department of
of Fish
Fish and
and Wildlife Marine Resources Program Newport, Oregon November 1999 TABLE OF
TABLE
OF CONTENTS
CONTENTS Page INTRODUCTION
1
RECREATIONAL CLAM FISHERY
1
..................................
COMMERCIAL CLAM HARVEST
...................................
SPECIAL STUDIES
STUDIES
...............................................
.............................................
Enhancement
....................................
..................................
Native Oyster Enhancement
1
1
2
3
3
TABLES
Number 1
1
Annual Summary of Recreational Interview Data; Garibaldi Flat,
Flat, Tillamook Bay
Bay
5
2
Annual Summary of Recreational Interview Data; Central Bay and Buoy
Buoy 10, Tillamook Bay
.................................................. .
Till?mook
6'
6
....................................................
.........
3
Annual Summary of Recreational Interview Data;
Data; Happy Camp,
Camp, Netarts Bay
4
Summary of
of Recreational
Recreational Interview
Interview Data;
Data; Lookout
Lookout Sand Spit, Netarts Bay
Annual Summary
5
Summary of
of Recreational
Recreational Interview
Interview Data;
Data; Bridge
Bridge Bed,
Bed, Yaquina Bay
Annual Summary
7
7
8
..........
Summary of
of Recreational
Recreational Interview
Interview Data;
Data; Umpqua
Umpqua Triangle, Alsea Bay Annual Summary
Seawall & North Shore, N Fork Siuslaw, and
and Smith
Smith River
River Bridge
Bridge ................
..................
10 7
Summary of
of Recreational
Recreational Interview
Interview Data;
Data; Charleston Triangle, Coos Bay
Annual Summary
11 8
Annual Summary of Recreational Interview Data; Charleston Flat, Coos Bay
Annua!
9
of Recreational
Recreational Interview
Interview Data;
Data; Pigeon
Pigeon Point, Coos Bay
Annual Summary of
10
Peak Counts of Clam Diggers
11
11
Summary of
of Recreational
Recreational Interview
Interview Data;
Data; All Estuaries Combined
Annual Summary
15 12
Oregon Commercial Clam Harvest in Pounds; 1970-1997
16 13
Summary of Pounds of Bay Clams Reported Commerciafly
Commercially Harvested
Harvested in
in Oregon
Oregon by Species; 1970-1
1970-1997
997 ............................................. .
6
14
......... .
..... .
.........
..........
............
........ .
.........................................
........................................ .
...........
......................
..............................................
Summary of Pounds of Bay Clams Reported Commercially Harvested in Major Oregon Estuaries;
Estuaries; 1970-1
1970-1997
........................................
997
..........................................
9
12 13 14 17 18 ·
1 I 1 REPORT
1
I4
j'K.]CLAM
ti A I DATA
'7
1997
BAY
SERIES
L1s] 1 I
IIt.]a1uIi1[L'i
INTRODUCTION
summarizes the results
results of
of our bay
bay clam studies in 1997. Activities
Activitiessumsum­
This report summarizes
marized
marized include recreational
recreational and
and commercial
commercial clam
clam fisheries.
fisheries. The tables and
and figures
figures
included give an historical overview of clam harvesting
harvesting activities
activities and
and are presented
presented
in
in a manner to allow future analysis to show trends of changes in stock status and
fishing activities.
RECREATIONAL CLAM FISHERY
Recreational clam digger interviews have been conducted annually on
on each of t~e
the
major clam harvesting tideflats of the Tillamook,
Tillamook, Yaquina,
Yaquina, and
and Alsea estuaries.
estuaries.
Also, the lower Umpqua triangle
Recreational clam digger
triangle was
was added
added for
for 1999.
1999. Recreational
interviews for 1992 were totally eliminated
eliminated due to budgetary restraints for the first
time since 1976.
1976. We
We decided
decided to
to initiate
initiate aa volunteer
volunteer recreational
recreational clam
clam use
use survey for
Volunteer effort
effort peaked
peaked in
in 1995,
1995, when
when 4,710
4,710 interviews
interviews
selected estuaries in 1993. Volunteer
were conducted,
conducted. Due
Due to
to reduced
reduced enthusiasm,
enthusiasm, volunteers
volunteers conducted
conducted only
only
1997 during April and May at key locations in Alsea Bay.
97 interviews in 1997
Volunteers examined 410 clams and gathered valuable data concerning catch per
per
recent
effort, species composition,
composition, digger origin,
Prior to the recent
origin, and
and peak
peak use.
use. Prior
volunteer program, staff
staff effort averaged about 1,200
1,200 interviews each year at a
in Tables
These data
data are
are presented
presented in
relatively high cost of staff time and
and money.
money. These
1-9,
1-9, and Table 10 shows peak counts of clam diggers taken at low tide for each of
the surveyed tideflats.
In
In 1997 volunteers interviewed 97 clam diggers that expended 114 hours to harvest
410 clams in Alsea Bay (Table 11),
11). Clam
Clam diggers
diggers averaged
averaged 4.2
4.2 clams
clams per
per trip and
in 1996,
1996, when
when 13.4
13.4 clams
clams per
per
Digging success
success was
was less
less than
than in
6.5 clams per hour. Digging
1ii 13.3 clams per hour were taken.
taken. The
The Commission
Commission approved
approved aa reduction
reduction in
in
trip and 13.3
bag
Diggers have
bag limit in 1977 from
from 36 to 20 as
as overharvest
overharvest was
was aa real
real concern.
concern. Diggers
averaged from 4.2 to 19.6
19.6 clams per trip since that time.
Oregon
Oregon clam diggers normally travel
travel some
some distance
distance to
to harvest
harvest clams.
clams. In 1997, 50%
of the diggers were local county residents and 50% were from Oregon but living
living
harvest. There
There were
were no
no out-of-state
out-of-state residents
residents (Table
(Table 11).
11).
outside the county of harvest.
in the Alsea
Alsea Bay
Bay
gaper clam
clam was
was the
the most
most frequently
frequently observed
observed species
species in
The gaper
recreational
No major
major
recreational fishery,
fishery, representing
representing 59.3%
59.3% of the
the 1997
1997 harvest
harvest (Table
(Table 11).
11). No
i~ digging effort were evident for 1997.
Peak counts
counts were
were only
only taken in
in
changes in
1997. Peak
Alsea Bay for 1997.
1997. Peak
Peakcount
countsummary
summaryfor
for 1997
1997 is
is summarized
summarized in
in Table
Table 10.
10.
COMMERCIAL CLAM HARVEST
HARVEST
permits to
to commercial
commercial fishermen to harvest
harvest bay
bay clams
clams in
in 1997
1997 (Table
(Table
We issued 21 permits
12).
Ten fishermen
fishermen reported
reported landings
landings of
of 75,681
75,681 lbs
Ibs of clams.
In 1996,
1996,21
fishermen
12). Ten
clams. In
21 fishermen
Ibs. Cockle
Cockle clams
clams represented
represented the bulk
bulk of
of the
reported
reported landings of 66,733 lbs.
Ibs (63.7%)
(63.7%) (Table
Tillamook Bay
Bay was
was the
the
commercial catch in 1997 at 48,210 lbs
(Table 13).
13). Tillamook
Nehalem,
major producer of bay clams
clams in
in Oregon
Oregon with
with 69,6041bs
69,604 lbs (92.0%).
(92.0%). The Nehalem,
of clams
clams
Coos,
4,837,668,
367 lbs
Ibs of
Coos, and Umpqua estuaries followed, producing 4,837,
668, and 367
of cockle clams in Tillamook
in 1997, respectively (Table 14),
14). Commercial
Commercial harvest
harvest of
1996 to 69,604 lbs
Ibs in 1997.
1997.
Ibs in 1996
Bay increased from 63,039 lbs
2
SPECIAL STUDIES
STUDIES SPECIAL
Native
Native Oyster Enhancement Netarts Bay
1993 plant of
of Yaquina native oyster broodstock into Netarts
We inspected the initial 1993
Bay.
Survival of
of adults
adults continues
continues to
to be
be high
high and the overall condition of these
Bay. Survival
animals is excellent. Mark Whitwer, Netarts
Netarts oyster grower, reported
reported many
many native
native
oyster spat had
This indicates
indicates that adult natives are now
had set on
on his
his oysters.
oysters. This
successfully
Nine sacks of 1995 brood
successfully reproducing
reproducing on
on their
their own.
own. Nine
brood natives
natives were
were
redistributed from the lower
lower bay
bay to the upper
upper bay.
bay.
.,'
Alsea Bay
~ay
We planted one sack of
of juvenile native
native oysters in Lint Slough directly below the
Wealso
alsofound
found that
that natives
natives previously
previously planted
planted below
below the bridge in the Lint
dam. We
Slough had survived and are
are doing
doing well.
well.
Yaquina Bay
One barge load of oyster shell was placed
placed in
in King
King Slough
Slough and
and one at the mouth of
Flesher Slough.
The shell
shell will
will provide
provide firm structure upon
upon which
Slough. The
which native oyster spat
spat
Wealso
also placed
placed oyster
oyster shell
shell and
and native
native oyster
oyster spat on the reef
reef previously
can set. We
constructed by USCE
USeE for native
native oyster
oyster enhancement.
enhancement.
33 APPENDIX
4
--
......... -..
-.~
.. -..
-
........ -..-
- . -..-
. -......- . -........... -..
~
................... -.. - . - ......................... _..
_._ .............................._..-
--
-
ITable
_
...... _..
_._ ..........................._.. _
....................... -..
-
...................... -..
-.~
- . -....... -..-
...................
--
...... -..
.......... -..
-.~
-.---
.................. -..
.. ..
..-
. - -..-
. -........ -..
~
-­
Table 1.
Annual Summary
Summary of
of Recreational Interview Data;
illata; Garibaldi Flat, Tillamook Bay
1. Annual
I
#4 Diggers Sampled
##Ctams
Clams Sampled
Sampled
#
Digger Hours
#DiggerHours
Hours
per Trip
HoursperTrip
Clams
Clams per
per Trip
Trip
Clams
Clams per
per Hour
I
I
1.2
1.2
I
'1'
Species Compo
Comp. (%)
(%)
Species
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Trip
Trip
Butter
Cockle
Gaper
Littleneck
Softshell
-1.2
L2 i
-I
19.1
19.1
II'
I 15.9
r
1.2
1.3
1.21 -~I.:l-I
18.3
18.3
14.0
!
64.7 I
22.4
-
-I
-
-
13.5
135
28.7
64.0
9.6
12.7
-
46.5
42.8
24.2
5,7
5.7
27.2
-
30.2 i
!
I
I
L21
1,2
T2
1.2 ,-
jjT
1.3
f.1
1.1
19.4
19.41
18,7
18.71
18.7
18.71
19,9
19.91
19.3
19.3
14.6
14.6!
15.6
15,4
15.4
14.9
18.0
I
27.6
I 27.6
72.6
63.5
72.6
II
-1
j
38.8
38.8
57,1
57.1
4.1
II
I
7.1
17.7
-
·
2.5
1
11.9 i
1.8 ,
2.4 I
5.5
8.9
1.4
3.4
45.8
27.4
--I
I~_
7.8
.
4.4
4.41
1.4
1.4!
5.0 II
I
-, - I
1
6.0
20.8
-
37.7
37.7
I
46.9
I
'I
-
II
I
15.4
I
39.7
II
-
30.0
30.0
67.5
675
2.5
I
2.1
2.1
Cockle
9.9
Gaper
Littleneck
Softshell
1.5
1.51
-
I
I
I
I
28.0
28.0
66.4
66.41
5.6
i
I
-
I[
-
i
I -1.1 : - l.iI
jj
1.3
19,2
19.2)
19.2
19.21
19.3
19.3
17.9
17.9\
-
17.6 I
17.9
17.9.
14,5
14.5
15.3
13.8
13.8.
-
23.5
23.5
35.2
35.21
57.0
7.8
21.0
21.0
17.6
17.6
79.8
2.7
30.1
30.1
34.0
35.6
0.9
29.6
45.6
32.0
49.0
17.8
35.9
1.1
1.1
1.5
21.3
13.4
18.5
18.51
1.3
1.3
62.4
1.1
1
17.9
17.9
78.6
3.4
67.9
l
32.9
41.6
51.0
48.7
1.0
15.1
1.3
1.3
8.0
-
5.3
1.2
4.0
7.2
7.9
8.6
0.4
3.1
5.3
0.1
6.0
I
8.2
1
9.7 I
0.2 !
6 1
1.6
1.
9.9
0.2
2.9
6.3
-
-
3.6
0.9
4.0
I
69.1
9.9
-
-'----
T
6.3
1
I
6.2
4.3
0.7
4.4
6.0
6.0
4.4
0.1
I
I
!
i
1
4.9 i
-
19.6
19.6!
I
-I
I
27.1
27.11
I
I
I
36.0
36.01
56.9
7.1 !
- '\
- .
-
60.3
9.6
65
6.5
6.8
0.2
5.7
I
-
_'--
8.8
9.4
6.2
6.9
0.2
4.1
0.3
I
2.6
2.6,
-i - I
-
27.9
45.8
1.8
24.2
-
-
_-
i
6.7
4.0
0.9
3.0
I
I
-49.0
17.8!
-
----'- -
-
4.6
4,6
7.4
1.1
2.8
I
-I
-
---'--
7.4
5.1
0.9
5.3
i
8.7
I
8.9
I
1994
1993 11991l"
2,031
3,028
39,816 ! 59,573
1,469
2,168
1,4691
,-1.3-'IT}
-- [ - 0.7
0.71
1.3
1.3
1,1
19.8
19.8!
I 32.9-,---41.6
I
I
I
-
I
38.8
39.5
38.8,
395
27.4
28.5
43.2
1.8
4.5 I 0.7
1.8.
28.4
32.1
15.4
32.1!
15.41'
I
-
I
Clams per Hour
Butter
2.0
!
i
I
Digger Origin
Origin (%)
Local
State
Non-State
-
J
I
II'
18.6
18.61
15.5
1
1982 119831
1983
1986
1988
1992
1980
1989 1 199()
1990
1980J
1981 r 1?82
1984
1985
1986
1987 IT988
i9~9
1991 i 199:q
456
200
107
290
359
219
132
2Q(n
T07
2901 277 i 421 I 476
450'
272
T
450
I
.
I
3,729
5,491
9,150
8,728 6,558 4,249 2,471
8
2,128
5,598
8,067
8,665
4,879
2,471
i
5,491 1 ,067 !
i
143
549
452 1 631
243
312
443
220
158
243,
143 I 311
311
312,
568
354
1979
597
11,104
715
-
-
-
:...-- - I . . . -
3.2
3.3
0.2
11.2
-
-
-
-
-
_
0.7
19.7
27.5
28.1
1996
1995 ! _19~J
994
2,443
50,363
15,563
1,853
835
0.8
0.81
20.6 !
27.2
27.21
I
i
67.1 i
27.8
27.81
1
0.8
15.7
18.6
61.2
61. 2
4.8
10.1
10.1
7,0
7.0
16.9
55.4
1.0
26.2
0.5
19.1
19.1
55.4
0.2
25.0
0.2
-
-
-
-
31.7
31.7\
62.1
62.11
4.81
1997
1
I
I
22.4
22.4 i
-
-
63.7
63.71
-
2.0
-
11.1
11.1
I
0.8
0.81
-
-
:_
5.5
9.0
0,4
0.4
4.7
-
3.3
10.9
0.2
5.2
3.90
11.40
0.04
5.20
0.05
0 05
_
.
-
3.5
10.0
0.3
1.7
00.l
.1
-
-
-
-
I
5.9
6.5
0.3
2.3
5.9
5.9)
9.2
0.2
2.7
I
7.3
8.6
6.1
6.6
6.61
7.5
6.4
4.6
5.5
0.2
0.2
0.2
0.2
0.21
1.4
1.4
5.3 3.1
2.0
i
2.5
I
I
i
-I
-I
5
2.6
0.2
0,2
8.6
I
I
-
-
7.5
12.4
0.5
6.6
4.6
15.2
0.3
7.2
-
0.2
5.2
15.1
15.1
I
0.1
5.2
0.1
4.2
11.9
0.4 2.1
0.1
-
-
-
-
Table 2.
2. Annual
AnnualSummary
Summary of
ofRecreational
Recreational Interview Data; Tillamook Bay No.
No, Diggers Sampled
No. Clams Sampled
Digger Hours
No. Digger
I
Hours per Trip
Clams per Trip
Clams
per Hour
ClamsperHour
Central Bay
1993 I 1994 I 1995 I 1996
134
402
209
343 iI
4,116 2,711
6,420 I 7,965
511
242
107
375 i
1.1
18.7
17.1
1.1
19.8
15.6
-
---
-
0.8
20.2
25.3
1.2
19.7
17.0
-
51.3
45.2
3.5
43.0
56.2
0.8
69.3
28.7
1.9
Species Compo
Comp. (%)
Butter
Cockle
Gaper
Littleneck
Softshell
16.2
79.0
3.8
1.0
27.8
67.4
1.5
3.3
41.1
53.3
5.7
5,7
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
3.0
3,0
14.8
14,8
1.4
0.2
-
I
-
2.8
2,8
13,5
13.5
0.6
0.2
-
-
-
-
-
-
5.5
13.4
0.3
0.7
8.1
10.5
1.1
-
-
4.3
10.5
0.2
0.5
-
-
7.0
9.1
1.0
-
i
I
I
1
I
I
1993 I 1994
63
-1,174
64
-
Buoy 10
10
1995
I
I 1996
1997
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.0
18.6
18.3
;
1
-
-
-
-
-
-
-
-
i
I
Digger Origin (%)
Local
State
Nori:'State
NoState
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
1997
I
57.5
39.6
3.0
-
57.1
41.3
1.6
28.8
60.1
1.4
4.5
6.6
-
-
80.5
18.7
0.8
--
-
-
-
-
-
---
5.8
12.2
0.3
0.9
1.3
-
-
I -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
14.8
3.4
0.1
-
-
-
-
-
..
-
-
-
-
-
-
-
-
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
6
-
I
15.0
3.5
3,5
0.1
-
7.3
15.2
0.4
1.1
LI
1.7
1.7
-
I
-
---
-
-
-
-
I
I
-
-
-
-
I
I,
-
-
-
-
-
-
-
-
-
-
-
Table
3. Annual Summary
SummaryofRecreational
Table 3.
of Recreational Interview Data;
Data; Happy Camp,
Camp, Netarts
Netarts Bay
I
# Diggers Sampled
#DiggersSampled
# Clams Sampled
#
# Digger Hours
#DiggerHours
-.
Hours per Trip
-
1979
1980
1979 1198~
~
13.8
Digger Origin (%)
Local
State
Non-State
28.4
59.9
11.7
Species Compo
Comp. (%)
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
Sofishell
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
12.7
I
!
I
14.8
13.4
17.91
73.6 ,
40.3
8.5
9.1
48,2
48.21
44.0
44.0
7.7
7,7
1981
71
991
67
;
12.2
I
I
17.9
19.1
i
I
I
I
0.9
-
O.~
2,0
-
-
0.2
-
1.0
I
I
I
11.5
0.2
11.3
-
I
I
~
I
I
I
-I
-
0.7
0.71
<0.1
<0.1
-
,
13.7
13.71
2.~ I
-
-
I
1982
168
2,020
~
I
i
­
.I
-
I
I
<0.1 j
94.3
0.6
I
I
-I
-
1.8
-
I
0.4 I
-I
10.6
0.2
0.21
5.0
5.0
I
10.3
10.1
-
-
12.5
12,5
0.3
-
-
I
1.0
1.0
<0.1
17.7 I
I
0.4
0.4
I!
-I
-
I
I
22.5
22.51
72.9
4.6
I
98.5
98.51
I
O.~ I
0.8
-
0.1 I
0.6
<0.1
0.1
<0.1
10.5
11,3
11.3
0.1
0.1
0.1
i
I
I
-
12.3
0.5
-
0.71
0.7
I
<0.1
12.7
10,2
10.2l
I
-- I;
0.1
0.1
--
I
I
I
!
31.7
66.7
3.7
4.0
89.5
2.9
4.0
0.4
93.6
2.1
7.9
7.91
2.1 ,
84.6
84.61
5.4
I
1.7
1.7
0,5
0.51
10.8
I
II
I
'
,
I
-
0.4
0.4\
:
I
.I
-
I o.~ I
0.1
0.1
<0.1 ;
0.1
0.1
I
32.3
53.5
14.1
-I
-
II
.
!
I
I
0.4 !
<01
<0.1
. 1
I
9.5 I
I
0.2 I
I
• I
;
5.~
-
I
10.7
87.4
1.9
15.9
2.1
73.1
83
8.3
I
I
I
I
I
I
1
-I
I
03
0.3
0.8
0.2
8.2
0.5 I
I
-I
I
1.I
1.1
0.1
0,1
5.0
0.6 !
-I
8.1
i
1993
I ~I
-
i
-I
-
-,
-
I
I
I
I
23
255 1
24
24t
l
_ _ i
I
14.4
I
06/
-
14.8
1.3
81.4
2.5
52.6
10.5
31.8
5,1
5.1
.
-
:I
-
I
-I
-
7
I
1.6
0.2
6.9
0.9
0.1
0.1
O.~ I o.~ I
0.7
;
j
IIII
,
I
5.2
5.21
0.2
0,2
-I
-
­
,
1.3
19.3
10.6
14.8 !
43.5
56.5
i
-,
-
1.5
10.2
I
- I
-
100.0
I
-I
I
I
6.7 II
i
I
!
1995 I 1996
1996 i 1997
­
146
·
1,493
­
224
-
I
20.5 !
69.2
69.21
-
-
-
-
,
-
1
-
10.3
10.31
­
­
-
·
­
-
-
-
-
-
-
-
-
-
-
o.~ I
0,4
I
I
4.6
4.6
0.7 !
-I !
36.~ I
-
I
I
3.5
O.~
1,5
1.5
53.0
53.0
10.4
36.6
-
I
I
i
-!
I
6.2
0.8
0.81
-
-
­
·
-
-
-
90.6
2.3
-
-
­
-
·
­
-
I
9,1
9.1
-
: I 0.5
1.5
:I -
1
I
-
-.
-
-I
I
10.2
2.0
2.01
7.1
-
i
-I
-
-
0,6
0.61
-
-
-
0.1
-
-
0.1 1
9.3
0.2 !
I
-I
-
-
-
-
-
-
-
-
-
-
-
-
-
I
3.5
0.3
-
2.1
0.3
6.8
0.1
0.3
­
I
1.0
11.1
82.0
4.7
13.3
13,3
-
7.6
1.0 I 7.6
I!
3.5
3.5
5.3
-
1
-
.
-
-
0.2
0.1
1994
13
251
17
I
16.3
20.8
20.81
3,4
1.8
3.4 I
68.8
72.5
7.0
9.2
0.6 [
0.6
0.1
7.6
I
1.5
1992
I
16.1
55.6 i
51.6 1 37.0
32.3 I
323
7.4
0.8
1
<0.1
<0.1
o.~ I
I
1.1
0.6
0.1
2.5
2.51
0.2
:
27
390
48
1
0.5
I
4.J
253
25,3
65.9
65,9
8.8
16.7
65.7
17.6
­
I
0.4
0.5
10.8
0.4 I
I
921
I
1
­
I
;
29.8
29.81
64.3 I
6.0
0.4
I
2.0
~
1991
I 19911
j
1
1
I
I
0.7
0.71
0.1
0.1 I
I
1.1
l.l
;
!
1
I
!
I
! i:;; I
I
82.7
3.4
I
I
50.6
5.4
0.1
0.!
92.5
-
j
I
~0.31
)0.6 i
I
90.3
90.3 I
7.7
1985
1986
1987 1 1988
1990
19851
19~(I 19811:--'i98!.1
1989 11910
91
99 I
60 : 103
9!
62
108
62
709 I 1,068
870
398
1,010 I 579
182
124
92 iI 205
209
92
,
.. ,
.. ,
.. ,
- ~ !
- 1.3
1.5
2.0
1.9
1.5
2.0
10.2
9.7
6.9
9.9
9.6
6.4
12.0 I
8.1
6.3 I
3.5 I
5.1
4.8
4.3
43
I
12.9
~
Clams per Trip
Clams per Hour
I
1983
1984
84
280 i
2,994
2,9941
1,009
151
290
84
.. ,
..
0.9
1.0
1.0
10.7
12.0
12.0
1
222
106
1,293
2,823
68
204
. ,
0.9
0.6
0.4
.
I
I
I
0.1 I
I
-I
4.3
431
0.9
2.6 ,
I
0.4 I
-I -
-
8.7
-
0.5
0,5
-
1.4
-
-
-
-
.
-
7.8
1.5
5.4
-
0.4
0.1
6.0
0.2
0,2
-
-
-
-
-
-
j
-
-
-
-
I
of
J
Table 4.
Summary of Recreational
Table
4. Annual
~uarSummaf)'
RecreatiOnal Interview
Interview Data; Cape Lookout Sand Spit, Netarts Bay
I
I
I 1981 I 1982 I 1983 ! 1984 I 1985 I 1986
1979 , 1980
1982
1981
1984
1983
I 1988 I 1989 I 1990 I 1991
1988
1986 , 1987
1985
1989
1990
1992
1991
##Diggers
Diggers
#
# Clams Sampled
##Digger
Digger Hours
Hours
Hoursperlrip
Hours per Trip
Clamsperlrip
Clams
per Trip
ClamsperHour
Clams
per Hour
56
85
63
80
118
71
52
85!
63!
801
56!
118'1711'
52
029 1 2,174 i 1,362
1,029
1,560 1 11,074
1, 397 1 1,
1,040
,074 I 1,397
150 I
83 i
197 I
87 !
85
178
89 I
1
I
\.
I
2.1
2,1
18.4
18.4!
8.8
12,1
12.1
SpeciesComp.
Species Compo
Butter
Cockle
Gaper
G~per
Littleneck
LIttleneck
Softshell
Clams per Trip
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
ClamsperHour
Clams
per Hour
Butter
.
Cockle
Gaper
G~per
Littleneck
LIttleneck
Softshell
I
I
I
17.5 I
76.2
76.21
I
2.3
6.3
I
16.0
4.8
.
3.8
-I
-
i
-
-
-,
II
.,1
.
I
II
!
II
I
I
-
II
1.0
1.0
13.6
13.61
2.9
0.7
-
-
I
-
I
I
1.4
1.41
0.3 i
-I
-
I
I
-
I
-
-
1.6
18.8
11,7
11.7
2.0
17.1
8.8
8.8!
2.0
19.8
10.0
1.2 .
Ii.!
ILl
9.1
26.8
62.0
18.4
67.3
44,0
44.0
43.0
31.6
64.1
8.6
57.1
28,6
28.61
11.3
14.3
13.0
4.3
34,3
34.3
7.0
89.5
10,6
10.6
83.1
4.1
88.9
3.0
0.9 I
-I
18.2
13.9
68.0
9.8
34.6
--
11.9
11.9
52.5
0.8
--
1.7 i
18.4
18.41
11.1
ILl I
1.2
1.21
19.2
15.8 1
1.6
20.0
12.2
12.2
2.2
19.5
9.0
2.1
19.8
9.4
38.1
43,7
43.7
52.1
4.2
53,8
53.8
44.2
1.9
31.0
40.5
40.5.
I
I
0,2
0.21
11.3
0.6
-.
-
-i
-
-
-
11.0
78.0
9.0
0.!
0.1
16.0
82.1
82.1.
I
I
i
I
I
12.1
2.6
2.6!
-I
-
I
11.0
II
l
80.4 i
5.9
2.6 i
-I
1
'1
15.6
2.2 I
2.1
2.1
15.0
1.7
0.3
0.31
0.5
0.51
0.5
-
--
<0,1
<0.1
0.4
i
.
I
0.7
0.71
7,2 I
7.2
1.2
1.2
0.2
-i
-
0.1
0.1
-
I
<0.1
<O.I!
I
I
1.5
1.5
1.2
8.9
0.7
0.7
0.3
0,3
0.31
10.5
-
,I
-
-
I
!
0.2
1,7
1.7
12.3
1,4
1.4
<0.1
0.3
I
1.7 [
1.7
-- ,
1.8
1.8
2.0
2.0
14.8
1.1
1.I
13.4
2.3
-
-
13.3
13.3,
1.9
1.9
0.3
53.4
53.4.
8.5
84.9
I
1.4
1.41
0.3
15.9
0.8
I
0.5 i
6.5
44.6
51.8
3,6
3.6
12.5
81.3
7,5
7.5
7.7
76.7
1.9
93.3
I
1.5 I
18.4
18.41
12.4
12.41
T
5.5
74.41
74.4
I
II
-I
-
I
I
3.2
16,4
16.4
--
II
I
I
0.3
0.31
-- I
2.0
10,0
10.0
II
I
-- i
0,2
0.2 ,
-- 1
---
I
I
I
I
3.4
3.4,
3.2
I
0.9
i
-
1.4
1.4
17.5
0.7
0.71
2.1
2.1
0.1
0.1
--
---
I
-
16.5
0.6
j
0.2
0.2
I
-I
0.8
0.8
16,7
16.7
0.6
0.2
0.2
I
67.7
5.7
7.7
7.7
-- I
I
I
I
44.0
47,0
47.0
6.9
6.91
17.2
17.21
2,1
2.1 I
0.2
0.2 1i
j
1.3
1.3
0.1
0.1
0.6
0,1
0.1
1.4
6.8
0.9
3,2
3.2
4.8
4.8
-
0.6
8,0
8.0
0.3
0.3
1.0
1.0
7.8
-
0.!
0.1
-
0.5
10.4
0.4
0.4
0.!
0.1
1.6
5.9
0.5
0.5
0,7
0.7
-
-
8
-
I
1,1
1.1
3.8
5.8
13.4
13.4
-
--
2.7
2.7
11.6
1l.6
1.0
-
-
2.3
2.3
-
-
2.4
I
I
1.2
1.2
0.1
0.1
0,3 t
0.3
0.3
-I
-II 8.4 I
9.0 I
-
-
-
1
-
I
-
1,3
1.3
--
0.4
0.4/
-
- •
--
6.5
6.51
6.9 !
--
1,0 I
1.0
0.3
0.31
--
--
-
0.1
0.1
0.2
--
I
1997
--
­
­­
-
-
-I
1.5
1.51
16.9
11.4
11.41
­
-
-!
­
-I
­
-
-!
­-
-
­
-
1
38,9
38.9
50.3
50.31
-I
10.8 I
­
-
-I21.8i !
-!
82.6
I 82.61
-I
56.0 I
II
-
T
3.1
3.1!
-
0.3
0.3
0.6
3.2
I
36,1 i
:6.1
58,6
)8.61
5.2 i
52.0
52.01
40.0 .
8,0 I
8.0
1
I
1.4
1.41
14.5
14.51
10.6 1
I 1997
1996
253
735
2531
735!
3,658
12,385
3,658112,3851
089 1
344
1,089
3441
1,
244
4,649
316
1.3
1.31
19.1
19.11
14.7
14.71
-
T
36.5
61.2
Ii
I
I !I
f
Digger
Origin
Digger Origin
Local
State
Non-State
1.9
\.9
17.5
9.3
1.4
17.0
I
-!
42
71
147
100
117
35
421
71!
1471
1001117135
819
1,409
2,765
1,713
81911,40912,765
1,713!
2,314
387
92 I
151
237
232 I
196
43
I
I
1994 1I 1995
is 'I
I 1994
1993
1993 1
j
1
i
I
-
-I
-
-
12.0
12.0,
2.5
2.51
-I
-
-I
-
I
I
20.0
0.7
0.7\
1.4
0.1
0.1
0,2
0.2
-
­
-
-
-
-
-I
-
-
­-
­
-
-
-
3.7
9.4 !
3,4 i
3.4
I
i
I
-!
8.8
2.5 I
6.4
6.41
1.8
\.8
l
2.3
2.31
-
-I'
0,1
0.11
-
0.2
0.21
-
-
-I
.
-
-
-
­
-
-
­
--
--
­
-
-
-
-
-
-
­
-
I
-- ;
­
-I
-
­
-
-I
-.
-I-
-
-
-
-
­
-
-
-
-
n
,-
Table 5.5. Annual
-Ann-ualSuITlmary
Interview, Data; Bridge Bed, Yaquina Bay
Table
Summary ofofRecreational
Recreational Interview(
1979
1982
1984
1980
1983
19801 1981
198fT 1982n98:f-,
19841 1985
149
202
191
142
142
342
149
202
191/'
207
1,222
3,773
1,609
1,543
1,383
1,765
#Diggers
# Diggers
#
# Clams Sampled
# Digger Hours
143
143
1,313
Hours per Trip
HoursperTrip
ClamsperTrip
Clams per Trip
Clams per Hour
-0:8
0.8
1-~l.lj~I.O-I1.1
1,0
1.0
9.2
11.0
8.6
9.21
11.0
10.8
10.9
7.7
10.9,
7.7,
10.7
10.4 i
1.4 I
TI
Digger
(%)
Digger Origin
Origin (%)
Local
State
Non-State
...
.
Compo
Species Comp.
Butter
Cockle
Gaper Littleneck
Softshell
Other **
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
120
354
160
I
22,4
22.4
76.2
1.4
18.3
70.4
11.3
0.2
1.7
I.
7
!
7.9
89.6
89.6
I
I
0.4
0.4\
-.
-
-I
1.4
94.8
94.8!
2.1
2.1
I
44.7
49.1
6.1
II'
I
iJf1
I
48.3
32.2
67.8
--
48.3
3.4
I
I
I
7.6
5.6
5.61
0.8 I
0.8
15.7
15.71
1.9 i
1.9
7.2
3.2
3.2
12.9
I
85.4
85.41
72.9
72.9
81.0
81.0
1.7
1.7
i
-I
-I
-
-
274
154
1
l
4.5
i
-I
-
-
-
-
I
304
1,4
1.4
7.2
5.2
1.5
1.5
8.5
45.5
34.3
62.8
2.9
I
I
I'
-,
-
-I
1986
I
1987
I
120
110
1201110
1,363
1,363!
960
153
153
160
1.31
1.3
11.4
I
8.9
8.91
25.8
155
1.5 i
8.0
5.3
1.7
32.7
64.5
2.7
2,7
4.3
14,4
14.4
65.1
2.6
4.4
2.8
83.6
5.3
-
-
-
-
0.5
1.6
7.4
OJ
0.3
0.4
0.1
(\ "
0.6
(\
0.8R
I.J
7.3
3.2
J.£
0.3
72,5
72.5
i
lUI'
5.8
5.2
11.2
,
62.4
62.4.
7.4 I
- .
_I
80.1
80.1
4.5
-
7.8
7.8
13.2
, 13.2
I
l
18.6
1.0
7.7
7.7
8.8
I
I
I
-~I --,
1.8
1.8[
10.1
39.9
39.9['
3.7
-- I
-
I
1990 T199tTT992
19% 1 1997
1991
1992 I 1993 I 1994T!995T
1994
1995
1996
72
91 1
319
546
3191
94
70
721
818
3,612
5,290 1,031
8..18 I
- 3,612',
976
783
106
457
702 159 ~O~
_-~I_
126
83
-I·
-
-
38.0
62.0
--
72.5
1
2.4
2.4
I
1989
108
834
109
814
1.5 i
8.7 l
i
6.0
I
I
1988
102
I
5.8
49,7
49.7
4.7
2.8
-
265
265!
I
I
3.9
I
9.9
9.9!
69.1
69.1!
3.6
1.7'
1.7
11.3
6.5
11.4
7,7
7.7
28.6
64.8
6.6
26.4
63.9
63,9
9.7
-
I!
-
-I
-
- I
-
26.3
67.1
6.6
26.6
62.8
10.6
68.3
68,3
2.8
1.6
1.9
9.8
- j
93.3
85.0
3.1 , -- Ii
- 1
0.7
8.8
88.0
2.1
2,1
1.3 I
1.0
1.0!
95.3
I
-
-
I
I
I
-
-Ii
-
-
-
-
0.3
0.3\
0.8 I
0.2
0.21
1.4
6.8
6.81
0.4 I
1.21
1.21
1.3
1.3
10.4
10.41
7.7
I
1.9
12.1
60.2
3.8
I
1.4
11.3
7,9
7.9
I.5
1.5
-I -
-
2.4
0.2
-
- I
0.3
-i
1.1
1
j
11.2
11.21
9.4 i
31.7
0.0
I
1.3-'1' 1.3
-
97
9.7 -
7,5
7.5! -
42.1
50.2
50,2
7.7
-
1.5
-
0.6 -
96.4
-
1
-
-
2.4
-
1
1.3
1.3
-
1
<0.1
<0.1
0.1
0.2
0.3
0.7
<0.1
1,7
0.8
1.0
8.2
8.2
8.9
9.2
0.1
0.2
0.2
-
-
-
<0.1
0.9
9.8
0.1
0.1
7.3
0.5
0,2
0.3
O.~
-
-
-
I
i
I
0.1
0.1
1.I
1.1
8.6
-
-
-
-
-
-
*Bentnose
*Bentnose 7.0%,
7.0%, lnquinata
Inquinata 0.2%,
0.2%, other 0.6%
I
!
~I
-
-,
i
5.6
0.2
0.4
5.8
0.5
0.51
1.0
5J
5.3
0.6
'
0.5
-
-
0.8 i
8.9
i
~I
-
-
I
I
I
0.2
0.21
-I
-
-
-
0.2
0.2
0.1
0.3
4.2
0.2
-
-
0.7
4.1
-
-
03
0.3
0.6
0.4
0.41
1
3.6
3.61
o.~
0.4
0.3
OJ
!
0.2
0.21
5.0 ,
0.3
OJ
1.3
1.31
5.8
5.81
0.2
Ii
I
I -I
-I
9
I
5.7
:J.I
0.3
I
-
-
0.5
0.51
2.1
2,1 !
0.2
­
0.31
0.3
0.8
5.6
0.3
-
-I
-I
-
I
0.1
0,1
0.2
10.3
0.3
i
I
0.8
0.8 I
3.9
0.1
0.1
o.~
0.2
I
-
-I
9.6
-
-
:- I
-I
0.1
-
0.1
-
7.0
0.2
­
9.~ I
-
I
- i
:I
-
i
-
1
0.22
0.77
6.70
­
-
-
-
0.1
0.9
9.1
0.2
-
j
0.1
0.1
0.11
10.7
10.7
--!
-
0.1
-
­
-
-
­
0.1
0.1
7.3
7,3
-
-
-
-
-
-
-
0.1
0.1
9.0
-
-
­
9.3
0.1
0.7
6.8
0.2
-
-
­
D. I
0.1
-
j
---
-
--_
.................... _.. _.. _ . -
.................. _.. _..
--
_.-
............... -..
-.-~-
--~-
-.--­
..... -..
Table
6. Annual
AnnualSummary
SummaryofofRecreational
InterviewiJI)ita
Data
Table 6.
Recreational Interview
I
Alsea Bay
Umpqua Triangle
Seawail
[
I
Hours per Trip
Trip
Clams per Tnp
Clams per Hour
Digger Origin (%)
Local
State
Non-State
81
I
I
I
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
Sofishell
I
-
--
-
-
-
L4
1.41
15.2
11.1
[
I
0.0
82.4
17.4
0.1
I
-
1.5
I
-
9.6
5.8
-- I
-I
-
I
I
[
-I-
-
79.8
20.0
-[
--
-
I -\
-
-
-
--
I
-I
-
--
-
--
-
-6.9
1.7
--
0.0
-
-
!
2.6
-
-
-
I
-
-
-
-
-
I
0.0
12.5
2.6
--
I
47.0
25.8
27.2
-
I
I
- I
- _
- I
-
12.5
I
97 I
---
!
I
I
-
52.5
33.9
13.6
I
-
II
-
[
-
I
-
-
-
-
"- Smith River Bridge
I
I
I
0.89
2.90 I
3.20
I
0,0
0.0
98.9
-- I
67.0 I
22.7
10.3
lOJ
-
-
-
-
--
-
I
1.0
18.9
18.3
18J
62
-
-
-
--I
-
774
--
0.3
OJ
0.8
I
-I
-
18.6
0.1
0.2
-1.90
0.66 .
0.30
OJO
-i-I
-
-
0.0
---
18.1
0.1
0.2
-
-
­-
i,
-
36.0
20.0
14.0
-
'I
I
46.4
39.8
13.8
-
i
-4.7
1.2
1,2
-
-
-I
Siusiaw
[
-
-
I
Species Comp.
(%) I
Compo (%)
Butter
Cockle
Gaper
Littleneck
Softshell
I
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
r-
~ --i1991
99 i-"r' "i9~t-fgi~91~~a~"1~94"
i1993
~"~t~~"~1~~~"J:J"~i-1~~51993
1994 r" i9951995 ---i~fcj5'
1995 --f~i;~~l1992
1997 " "Y<j~i5
1995 -. rU9°f\-1"99"7
1996
1997 - ·~i~~ar·
1995
1994
1995 _. 1996 1r-i"99",j"
66
750
349
48 I
I
59
•
70 .
21
158
76
88
135
894
569
14,143
203
106
4,234
1,500
410
195
5,691
1,566
I!
I
I
i
­
I
#Diggers
#
Diggers Sampled
Sampled
# C~ams
Clams Sampled
# Digger Hours
Fork N Fork
.
N Shore
I
I
-
2.20
0.74
0.34
-,
10 39
290
1.9
5.1
2.7
0.83
12.10
14.60
42.9
52.4
4.7
53.4
29.9
16.7
-
0.0
80.3
-
95.3
95J
2.8
1.9
-
13.4
2.4
3.9
4.8
0.1
0.1
-
0.0
9.7
1.6
0.3
0.5
2.6
0.1
0.1
-'-
0.0
11.7
2.0
0.4
0.6
-
187
1.2
1.21
9.5
9.51
8.0
J
-I
63.0
29.0
8.0
5.1
38,0
38.0
56.9
-
I
-
-0.5
3.6
5.4
- I
i
--
0,4
0.4
3.0
4.6
-I
75
16
.98
5.4
5.4
2.0
24.4
12.2
32.6
27.0
50
50
-
0.0
87.5
12.0
37.5
37,5
52.1
10.4
-0.4
59.2
40.2
-100.0
-
58 I
1.2
1.21
I
I
I
I
143 I
I
-I
­
­
-
I
53.0
53.0!
32.1
15.0 I
­
­-
I
I
-- I
-[
--- .
-100,0
100.0
100.0
-
---32.6
42.2
--
--
--
-
0.1
3.2
3,2
2.2
-
---12.2
--27.0
-39.8
..
­
­
1
­
-
I
I .-
24.4
-
­
1.1
42.2
39.8
39.8!
0.1
3.2
2.2
-
­
-
­
­
I
­
-­
­
­
-
­-
Table 7.
7. Annual
AnnualSummary
Summaryof
ofRecreational
Recreational Interview
Interview Data;
Data; Charleston
Charleston Triangle,
Triangle, Coos Bay Sampled
No. Diggers Sampled
No. Clams Sampled
No. Digger
Hours
No.
Diggerllours
Hours per Trip
Hoursperlrip
Clams per Trip
Clamsperlrip
Clams
per Hour
Clamsperllour
(%)
Digger Origin (%)
Local
State
Non-State
Compo (%)
Species Comp.
Butter
Cockle
Gaper
Littleneck
I.ittleneck
Softshell
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
per Flour
Hour
Clams per
Butter
Cockle
Gaper
Littleneck
Softshell
Compo (x size)
Size Comp.
Butter
Cockle
Gaper
Littleneck
Softshell
No. Clams Measured
Butter
Cockle
Gaper
Littleneck
Softshell
1983
40
40
771
771
44
I
I
32
32
!
588
588 I
27
27
I
1.1
I.lj
19.3 !
19.3
17.5
17.5
I
I
I
I
20
20
410
410'1
25
50,0
50.0
I
15.0
15.0
4.9
4.9
-
-
-
3.4
3.4
9.7
9.7
0.7
0.7
4.1
4.1
2.4
2.4
15.2
15.2
3.3
3.3
1.1
1.1
2.2
2.2
9.5
9.5
-
-
-
73.3
73.3
80.2
80.2
82.5
51.2
51.2
88.6
88.6
55.2
55.2
66.3
66.31
95.2
95.2
57.~
57.6
I
1
I
I
17
17
218
54
159
-
-
'1'
1
82.51
62.6
62.6
98.2
98.2
61.3 i
I
.i
52
521
185
185
67
I
41
41
- ,1
-
2.61
66.5
66,5
17.5
31.3
31.3
2.4
2.4
i
8.6
5.7
5.7
0.4
0.41
10.6
10.6
2.8
2.8
I
I
1.4
1.4 l'
0,1 .
0.1
It
I
107
1,742
1,742
141
141
I
I
1.2
16.0
16.0
13.4
13.4
20.0
20.0
"
52.0
52,0
28.0 I
21.9
68.8
68.8
9.4
9.4
1.5
1.5
16.3
16.3
10.9
10.9
I
11.8
11.81
43.2
43.2 I
32.9
32.9
8.8
8.8
5.8
5.8
0.1
0,1
I
I
I
1990
96
1,535
1,535
115
115
40
606
47.5
47.5
1.3
1.31
1.2
21.9
1991 i 1992
16.3
16.3
12.4
12.4
I
'1'
1.2
1.2
15.2
15.2
12.8
12.8
i
20.6
20.6
71.0
71.0
8.4
8.4
I
I'
-
I
I
i
~I
1.1
1.
2.1
2.1
7.4
7.4
4.9
4.9
0.9
0.9
I
II
I
!
2.7
2.7
331
3.3
47.5
47.5
44.9
44.9
5.0
5,0
34.6
34.6
48.1
48.1
9.4
9.4
0.1
-
i
0.4
0.4
7.0
7.0 I
5.4
5.4
1.4
1.4
7.4
7.4
!
7.0
7,0
I
1.9
1.9
0.8
0.8
-
78.2
78.2
63.2
63.2
61.2
61.2
97.3
97.3
99.1
99.1
61.1
61.1
58.9
58.9
-
-
15
15
175
175
30
30
51
51
118
118
298
187 '
187
641
64
- I
-
-
-
-
-
-
-
I
·I
-
-I
~I
0.5
-
-
-
-
-
26.8
26.8
51.2
51.2
22.0
22.0
!
•- I
-j
..
• I
-
~I
-
-
I
-
-
-
-
~
-
I
-I
-
.
I'
!
0.1
0.1
0,3
03
9.3
9.3
o.~
0,5
-
0.3
0.3
3.6
5.9
5.9
0.7
0.7
3.6
1.0
1.0
'1
-I
0.4
0.4
4.3
4.3
6.0
6.0
6.2
6.2
80.7
80.7
61.4
61.4
l
103.3 I
103.3
I
62.!
62.1
-- I
85.9
85.9
59.1
59.1
98.7
98.7
64.8
64.8
80.6
80.6
60.6
60.6
113.3
113.3
63.9
63.9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
-
-
I
I
I
1
I
-
-
-
-
-
0.2
0.2
5.8
5.8
0.3
0.3
-
-
*
85.3
853/
-
-
55.1
55.1
I
-
-
107.7
107.71
-
-
-
-
O.~
0.1
I
-
-
•-
I
66.0 I
66.0
-
-
-
-
-
-
!
·I
-
-
-
•- I
~I
·I
-
-
-
-
i
I
I
·i
-
-
-
-
-
·- I
-
-
..
-
~I
-i
-
-
-
-
-
-
-
-
-
-
-
-
-
I
·I
-
-
-
-
-
-
-
I
-
. I
-
30
30
169
158
29
29
-
7.3
7,3
5.3 i
1.2
1.21
<1.2
<1.2
88
149
149
165
63
11
11 -
1997
-
3.0
3.0
91.6
91.6
-
-
I
0.5
0.51
-
·I
-
43
438
438
69
1.6
1.6
10.2
10.2
6.3
6.3
-
I
O.~ I
8.7
8.7
6.3
6.3
0.1
0.1
5.6 !
7.8 I
7.8
1.5
1.5
<0.1
-
-
41.7
41.7
0.5
0.51
·I
-
1995 I 1996
1994
I
1.3
1.31
4.7
4.71
-
75.3
75.3
57.6
57.6 I
I
-
-
II
0.2
0.2\
I
~I
-
-
22.5
22.5
37.5
37.5
40.0
40.0
1993
·I
• I
-I
-
i
13.2
13.2
47.3
47.3
0.5 I
13.7
13.7
3.6
8
1.8
1. 1
0.1
0,1
-
39
45
26
18
18
I
17.51
8.5
8.5
0.3
0.3
3.4
3.4
1.6
1.6
34.1
34.1
47.3
47.3
18.1
18.1
62.1
62.1
2.6
O.~ I
1,647
1,647
105
105
Ii
29.3
29.3
13.2
13,2
56.6
56.6
20.5
20.5
9.5
9.5
i
1989
50
50
814
814
75
I
10.9
10.9
2.0 1
2.0
12.7
12.7
2.8
2.8
91
91
12
1.2 '
18.1I
18:
15.7
15.7
1.3
1.3
20.6
20.6
16.0
16.0
8.6
8.6
-
-
581'
1,193
1,193
75
15.0
15.0
0.9
i
58
35.0
35.0
2.7
2.7
11.6
11.6
4.2
4.2
1.9
1.9
3.8
3.8
10.6 I
10.6
0.8
0.8
4.5 '
4.5
1986 i 1987 I 1988
56.3
56.3
3.1
3.1
69.2
69.2
-
1985
1.2
1.2
20.5
20.5
16.7
16.7
0.8
0.8
18.4
18.4
22.0
22.0
40.6
40.6
22.5
22.5
72.5
72.5
5.0
5.0
19.6
19.6
55.1
55.1
3.9
3.9
23.2
23.2
1984
r
I
19
19
33
-
-
I
I
97
125
57
238
-
-
192
-
-
33
-
-
-
I
1
-
.
- I
-
i
-- I
~- II
-
•- I
-
-
I
-I
I
.- I
·
,
• i
i
-- I
- - ---_
............. _.. _..
_._-
--­
Table
8. Annual
AnnualSummary
Summaryof
ofRecreational
Recreational Interview
Interview ]iata;
Data; Charleston
Charleston Flat,
Flat, Coos
Coos Bay
Table 8.
1983
No.
No, Diggers Sampled
No. Clams Sampled
No.
Hours
No. Digger
DiggerHours
Hours
per Trip
1-loursperTrip
Clams
Trip
Clams per
perTrip
Clams
per Hour
ClamsperHour
Digger Origin (%)
Local
State
Non-State
Species Compo
Comp. (%)
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
Sofishell
Size Compo
Comp. (x size)
Butter
Cockle
Gaper
Littleneck
Softshell
Sofishell
No. Clams Measured
Butter
Cockle
Gaper
Littleneck
Softshell
1
1984
60 I
859 i
125
2.1
14.3
6.9
I
I
21.7
73.3
5.0
Ii
198.Sl
1986
1985
27
435
29
1989 I 1990 I 1991 I 1992
1988
61
97
65 I
*
61 1I
65
2,145
1,523
887
938
974
185
185 ;
176
110 1
103 1
113
1.6
1.7
1,6
8
1.7
1.7
1.8
1. 1 16.0
15.7
19.0
13.6
14.4
8.7 ,
11.6
9.5
7.8
8.6
11,6
7,8
-
1987
113
113
16.1
15.1
100
1,980
180
1.8
1.8
1.8 I
19.8
18.9
18.91
10.7 , 11.0
10,7
40.7
51.9
7.4
16.7
16.71
38.9 i
44.4 I
35.0
57.0
8.0
28.3
28.3
4.6
60.9
27.6
3.7
3.0
6.7
6,7
72.4
2.8
83.3
8.8
2.7
63.9
26.2
4.7
18
341
32
1.1
!
1
I
I
48.7
48.7,
23.0
I
(
36.9
49.2
13.4
13.4.
14.8
68.9
16.4
13.8
41.5
41.51
46.2
12.3
10.2
35.4
42.5
10.8
0.4
4.8
31.8
47.7
14.5
14.5
1.3
1.3 j,
5.5
9.1
71.6
11.6
19.4
19,4
16.5
58.3
5.8
-
0.0
0.7 i
4.9
4.91
7.3
7,3
2.2
2.2l
0.2
0.8
L2
1.2
9.8
1.6
20.6
20.6\'
66.0
i
1993 I 1994
1995
-
90
90
925
I
-
113
!
-
1.26
10.30
18.30
8.20
-
-
I
-
-
-
- I
-
-
-
-
: 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.4
0.5
8.7
0.7
8.7
-
-
-
-
-
0.3
6.7
5.6
1.5
i.
0.7
9.8
4.4
0.6
0.5
17.3
17.3
3.5
4.1
0.1
-
I
Ig
13,7 i
1.3
3.3
i
O.~
0,7
-
I
I
-
0.6
0.61
16.5
1.8
0.8
<0.1
0.5
12.1 "
12.1
5.0
o.~
0.9
-
I
1.6
5.6
6.7
1.7 '
0.1 I
2.7
2.7
I
2.3
8.1
0.8
-
-
!
0.7
9.2
4.6
0.6
-
-
I
84.0
84,0
59.9
59.9/
100.6
55.0
55.~
-
0.7
7.7
1.8 '
0.4
0.41
I
I
38
75.0
62.2
110.1
62.2
78.9
66.9
109.1
60.5
60.:
-
-
-
13'
13
33
-
-
I
-I
1.0
0.5
<0.1
78.1
63.2
105.9
65,0
65.0
13
131
92
80
88
22
1
0.3
9.2
20
1
247
2471
58
13
-I
-
43
234
70
78
30
38
0.3
I
I
7.4
3.0
0.5
0.9
3.1
3.7
0.9
0.4 [
2.9
2,9
4.3
1.3
0.1
0.4
0.7
5.6
0.9
1.6
1.4
4.8
0.5
-
-
93.7
62.6
102.4
102.41'
59.3
79.3
79,3
56.2
72.5
67.2
IOn
1072
50.8
-
-
81.3
65.6
109.0
58.4
58,4
78.3
62.3
106.9
65.8
-
-
44
128
188
86
86
193
271
96
163
109
102
46
88
ISO
150
98
-
-
-
-
39
12
12 103.1
61.8
-
-
-
1
-
.\
-
·I
-
- I
-
3.6
3.61
4.5
84.7
7.0
-
I
I
--
I
I
~I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
:. II
-
-
-
-
-
-
-
-
-
-I
-.
.I
-
-
i
0.3
0.4
6.9
0.6
-
-I
-
-
-
-
-
-
:I
-
-
-
:I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
:I
-
-
.I
-
-
-
-
-
129
-
-
-
135
-
-
: 1
-
-
-
-
-
-
-
-
: 1
. 166
42
-
-
-
I
-I
-
.
[
!
0.1
3.2
3,2
2.7
0.7
-
-
·I
I
2.0
46.6
38.8
10.6
1997
-
~I
-
11.4
65.9
22.7
:I
-
·I
:I
1996
.1
-
-­
-
I
I
-I
:I
i
-
-I
-
-
- I
-
-
·I
-I
•
-
!
•- i
-
-
Table 9.
9. Annual
AnnualSummary
Summary of
ofRecreational
Recreational Interview pata; Pigeon
Pigeon Point, Coos Bay
Table
No. Diggers Sampled
No. Clams Sampled
No.
Hours
No. Digger
DiggerHours
1983
1984
"'--_____---'_
_--'- 1985
43 i
10
111 I
III
679
1,681
190
95 !
19
70
I
Hours
per Trip
HoursperTrip
Clams
per
ClamsperTrip
Clams per Hour
Digger Origin (%)
Local
State
Non-State
Compo (%)
Species Comp.
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
Size Compo
Camp. (x size)
Butter
Cockle
Gaper
Littleneck
Softshell
No. Clams Measured
Butter
Cockle
Gaper
Littleneck
Softshell
0.9
15.1
15,1
17.7
17,7
1.6
15.8
9.7
i
1.9
19.0
19,0
10.0
I
1987
64
1,003
119
2.1
2.1
17.1 .
1.9
15.7
8.4
I
8.0
45.9
48.6 I
5.4 !
65.1
27.9
27.91
7.0 !
20.0
60.0
20.0
51.5
41.2
7.4
27.1
27,1
0.7
0,7
51.2
20.9
36.4
8.0
32.7
22.5
0.6
47.9
2.1
10.0 i
39.5 I
- I
-
56.5
-
4.1
0.1
5.4 i
9.11·
9.1
1.3
7.7
3.2
5.2
3.6
0.1
0.4
1.9
7.5
1.3
-
4.8
4.8
0.1
9.1
3,7
3.~
-
1
1
I
1986
68 i
1,160 II
145
·1
I
I
I·
!
I
4.8
0.2
1.0
3.9
3.~
84.8
-
1,3
1.3
17.2
24.1
0.8
1
9.6 1
0.2
2.9 1
4.1
0.1 I
I
i
I
I
I
4.5 I
4.5
0.! i
0.1
1.4 "
1.9
0.1 I
40.5
51.4
8.1
43.2
20.5
36.4
2.8
6.1
6,1
0.1
40.5
4.5
3.0
51.9
37.7
-
23.9
37.5
15.5
26.9
-
-
i
8.: I
-
-
1.6
3.5
3.6
0.4
0.3
4.6
I
-
-
4.9
9.2
-
-
-
-
-
-
3.1
4.9
2.5
4.3
-
-
--
I
!
-
2.8
5.2
-
-
1.7
2.7
1.4
2.4
-
-
-
-
-
186
108
214
123
-
-
-
-
42 I
234
23~
86 I
I
.I
-
-
13 I
35.3
35.31
52.9
11.8 I
-
-
•I
I
-
-
- I
~
-
109.1
57.6
-
-
-
84.7
60.2
-
20
29
-
-
-
92.1
57.2
82
82/
172
I
-
-
109.5
58.6
15
151
22
I
IO~ I
102
!
I
!
1995
1996
1997 - j
-I
-
-
-
-
-
-I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-- I
-
-
-
-
-
-
-
-
-
-
-
~
-
-
-
-
-
-
-
-
-
-
-
-
-I
I
-
~I
i
37.4
5.5
3.1
52.8
102.6
54.6
54,6
I
!
-
-
107.9
63.3
_ i
j
!
I
I
- I
I
1.3
1.31
9.0
6.8 I
-
-
-
-
-
-
145
-
-
-
-
4
-
-
-
51
-
57.7
-
93
-
1994
18
163
24
-I
-
- i
-
-
~I
-
-
-
-
-
~I
-
-
-
:I
-
t
-- I1
-
--
-
i
1
-!
-
-I
-
'
I
-
-
-
-
2.5
0.4
0.2
3.6
-
-
-
I
3.4
0.5
0.3 I
4.8
4.~
·1
8.1
4.7
I
1993
-
74.1
74,1
44
7
46
9
9
-
23.7
61.0
15.3
6.4
6.4
0.7
0.5
-
7.3
81.1
-
19
74
8.3
1.8
15.9
9.0
1.8
13.1
76.0
-
II
4.1
4.1 Ii
0.5
0.9
2.8 1
15.3
32.9
0.7
1.8
15.7
8.9
81.0
-
52
-
-
1
·1
87.2
-
52
50
44.8
44,8
1990
1991
1992
37
44
37
441
485
700
78 .
67 I
-
84.0
104.5
62.0
!I
48.6
6.0
11.1
33.3
-
I
OJ
0.1
84.3
40.0
85.3
60.6
-
1.8 I
18.5
18.51
10.6
41.7
41,7
58.3
7.6
0.9
1.7
5.2
1989
59
927
105
-
85.9
37.9
108.0
67.2
67,2
-
1988
24
444
42
32.8
51.6
15.6
-
I
-
3.5
0.8
0,8
3.2
2.2
0.1
0.!
t
I
I
-
-I
-
I
-
..
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-I
-
--
1
:I
-
-
291
-
-
-
-
-
-
-
-
-
.I
-
-
-
-
-
-
-
-
-
-
-i
-
-
-
128
119
-
-- I
-
i
Table
10. Peak
Table 110.
Peak Counts
Counts of
ofClam
Clam Diggers*
Diggers* Tidetlat
Tideflat
Estuary i Flat
Tillamook ! Garibaldi
GaribaldiFlat
Netarts
Yaquina
II Happy
Camp
I
1
1980 I 1981
300
300! 460
160
I
1
BridgeBed
t Bridge
Bed
I
i
I
425
I North Bank
I Seawall
Umpqua
Coos Bay
ISmith River Bridge
I
Smith River Bridge
Umpqua Triangle
I Charleston Triangle
I Charleston Flat
i
Pigeon Point
~ II -
II 500 478
625
! 6251
I
-I
-
-I
-
­
-
-
-
-
-
-
-
-
-
-
275 i
­
200 . 191
19! 84 314 II - I
-
.
-I
-
-
~I
-
- 1
107 , 204 I
I
I
-
I
-!
!
265 1990
585
585
163
163
116 -
-- I
-
•
-
-
-
-
-
31
31
64
62
-
i
I
1
-
-
24 30 50 I
i
I
-
-
-
-
-
-
-
-
41 26 42 -
39 27 67 225 ­
-I
j
-
-
-
-
87 66 97
97
-
-
82 103 I
52
I
** Number
Number ofclam
of clam diggers
diggers actually
actually on
on tidejlat
tidefiat at
at time
timeofcount.
of count. Count
Count occurred
occurred at or near low tide.
tide.
14 -
I
I
-
1
-I ­
-
I
I
I
59
59
54
54
51
51 i
-I
-I
-
-
-
66
66
84
84/
74
-
!
150
150
61 I
-
-I
-
-I
-,
-
-I
43
I
I
-I -
- II
23
31
I
36
36
65 44
44
-I
-
-
:I
-
-
86
861
229
229
-
32 321
75
75
99 991
53
53
24
24
32
32
-
-
55
55
22
22
­
-
-
I
j
-
i
-
30
30
I
I
I
-
1994
1994
1995 I 1996 I 1997 472
500 450 472
1993
482
I
I
-
-
-I
-
i
-
-I-
-
127
176
158 I 176
235 110 I 1991 I 1992 I
126 !
I
Alsea
f
I 1989
I 547 1
225
84 I
1982 . 1983 I 1984 1985 1986 1987 I 1988
5161
487 350 118 380 400 257
516
-
-I
1
I ~I
-
I
I
­
-
­
-
-
I
-
:1
-I
-
44
441
341
34
7
71
~I
­
-
-I
-
­
-
-
-
­
-
-
-
Table 11.
11. Annual
AnnualSummary
Summary of
at-Recreational
Intervi@w Data; All Estuaries Combined
Recreational Interview
I
I
Hours per Trip
Clams per Trip
Clams per Hour
Digger Origin (%)
Local
State
Non-State
Compo (%)
(%)
Species Comp.
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Trip
Butter
Cockle
Gaper
Littleneck
Softshell
Clams per Hour
Butter
Cockle
Gaper
Littleneck
Softshell
I
!
I
1984
1988
1980
1981
1982
1983
1985
1986
1987
1988!
1979
1980
8981
1,276
1,506
1,800
1,392
1,324
1,603 11,28411,276
1,284
8701
1,508
870 I 1,506!
i 898 1,39211,508!
j
33,91 114,61
14,61
24,69
12,92 122,18
22,18 133,91
21,98
21,60
19,61 112,92
24,69 25,31 121,98
1,303
2,113 2,589
2,128 ,2,154
2,154
1,986
1,718 i 1,606
1,104 2,113.
1,876
1
# Diggers Sampled
Sampled
#Diggers
# Clams Sampled
# Digger Hours
#
I
I
I
!
1.2 !
1.3
13i
15.4
15.41
12.4
16.8
16.81
12.6
29.3
63.8
7.0
Ii
j
i
I
8.5
53.1
53.1 1
25.1
25,1
6.5
6.7 I
I
22.9
22.91
70.5
70.5
6.6 i
I
I
12.8
44.3
17.9
17.91
7.5 !
17.5 I
I
1.3
1311
15.4
12.2
1.0
6.5
3.1
0.3
0.8
Size Compo
Camp. (x size)
Butter
Cockle
Gaper
Littleneck
Softshell
78.9
63.1
93.0
47.0
89.5
## Clams Measured
8,643
2.2
2.2
7.4
3.0
1.3
2.9
II
I
I
I
30.6 !
60.0
60.0
9.4 ,
I
I
8.1
8.1
12.5
12.5
j
I
I
I
1.51
1.6
5.6
2.2
0.9 II
2.2 I
I
I
!
31.8
I
Ii
I
40.5 i!
54.0
54.0
5.5
I
!
33.6
60.7
60.71
5.7
I
I
I
1.5
3.1
1.9
3.6
3.0
I
I
2.4
2.41
1
2.4
2.4/
4.6
4.6\
4.7
1,2
1.2 (
1.9
1.91
1.9
I
1.0
I
1.5
1.51
i
5,372
I
4,044
!
I
I
I
42.7 i
52.7
4.7
I
I
7.8 I
!
22.7
26.1
26A
6.2
37.2
1.5
1.511
16.3 !
11.2 [
17.7
11.6
37.8
37.81
53.7
8.6 ,,
36.9
369
56.7
6.4
!
10.61
10.6
32.2
23.6
5.0
28.7 1
I
1.4 I
16,8
16.81
11.8 I
1
i
35.6
35.6\
53,4
53.4
10.9
1.5 1
1.51
I
I
I 15.3 I
13.3
13.31
40.7
20.8 .
6.7
6.71
17,1 !
17.1
.
41.7
41.71
24.0 .
5.2
5.21
12.4
1.4
1.4
16,6
16.6
11.7
33.2
56.7
10.1
I
!
I
33.21
I
1990
1,363
22,84
2,029
1.4
4.5
4.5
5.1
I
i
4.3
4.9
2.4
2.41
7.2
7.21
3.7
j
1.2
6.9
0.8
4.6
1.2
1.21
I
l.li
1.1
2.2
2,2
I
1.0
3.2
3.6
0.8
1.6
!
I
i
I
J.5
1.5
1.7
I
3.0
i
2.6 [
7.0
4.0 I
0.9
0.91
2.1
1,131
1,131
1
19,05
1,662 .
J.5
1.5
17.2
I1.8
11.8
16.8
11.3
32.6
31.3
3131
62.7
62.71
5.9
41.1
41.1
45.6
13.3
22.7
30.4
23.6
8.7
12.4
10.3
10.31
28.9 I
24.2
24.21
18.5
18.2
58.2
9.2
1
I
1.5 i
16.9
16.9/
11.5 I
f993
1994
1993 1\l.9941
137
3,137
4,090
3,
1 4,090
- 58,06
79,97
2,859 3,525
-! 2,8591
-I
19.4
26.8
19.8
11.9
20.9
0.86
18.50
19.60
18.50!
- 1 20.30 ji 22.70
-I
-I- I
-
i
- I
-
i
I
- i 091
0.91!
-
!
16.5
16.51
37.7
20.0
20.0 I
14.1
9.3
I
-
I
1.0
3.0
3.4
34
0.8
4.8
I
1
1
1.8
4.9
2.8
0.6
1.5
1.5
J.5
4.7
2.4
0.8
2.0
i
'I'
I 6,774 I 5,152
5, 152
1.2
3.5
2.6
0.5
0.51
3.2
2,7
2.71
6.3
~~1.5 I
3.3
2.3
1,5
I
!
71.0 I 79.5
60.8
60.81 62.0
103.6
104.2
103,6
41.4
41.41 50.1
87.7
86.0
87,7
!!
199n
1992
1991
I
-I
-
- i
-
-I
-
-
I
-I
-
I
1
I
Ii
3.4
4.6
3.4
2.0
2.0
3.6
3.41
1.9
4.4
4.4/
2.3
2.3
3.2
2.3
1,7
1.4
1.71
1.1
1.\
1.4
2.5
2,5
I
i
76.5
79,8
83.0
76.51 79.8
I
64.2
63.3 ' 61.9
108.0
111.6
108,0
107.9
66.5
47.7
47,7
53.2
88.4
91.0
92.7
83.9 I 78.5
;
63,5
63.5
63.9
110.3 i 110.4
51.8
52.0
87.9
87.5
87,5
6,997
7,438 I 6.997
5,990
I
I
6,403
I
15 [
6,853
/'.i,853
i
3.8
I
5,1
5.1
4.0
1.5
1.5
2.1
I
I
I
i
2.6
2.61
3.4
2,7
2.71
3.41
I
II
I
I
1.0
1.0
1.4
I
I
-I
-
-
-!
-
-
: 1
-
1,2
121
3.3
2.7 i
2.1
2.1
I
I
I
78.5 I 81.6
!
61.4 I 63.0
120.0
113.7
46.3
53.4
89.6
89.0
5,448 i 6,781
I
!
!!
I
-I
-
-I
-
. I
-
- I
-
-j
-
26.6
45.7
7.8
16.9
2.9
15.6
52.2
4.3
20.1
7.8
16.0 !
62.0
6.3 iI
14.7 I
1.0
1.01
I
i
1
~: I
1.4
3.1
0.5
9.3
9.31
1.61
1.6
3.4
3.41
0.6
0.61
3.1
10.2
0.8 !
3.9
3.91
1.5
1.5,
-
-
-
:I
-
-
-
-
-
-
-
~I
-
-
-I
-
-
-
-I
I
II
3.0
3.0
11.6,
11.6
1.2
1.21
2.7
2.71
0.1 I
!
3.5
3.51
118;
11.8/
1.0 i!
4.6 i
1.8
1.81
I
-
40.1
54.6
3.8
17.2
17,2
46.7
24.0
24,0
10.8
10.8
1.3
13
50.0
50.0
-
-
-
0.1
59.3
40.2
-
!
i
5.4 I,
I
I
-
-
I
4.9
8.5
I
10.9
-
-
I
36.0
360
53.1
53,1
!
1.7
4.8
4.0
3.1
3.!
3.0
I
30.3
64.2
5.5
1
I
1995 I 1996
1997 97
902
4,710
1,902
1,
1
4,710
87,71 i 25,26 , 410
4,571 I 1,893 i 114
0.97
0.971,
1,2
1.2
1.0
4.2
18.60 ! 13.3
6.5
13.4
19.20 I 13.4
38.7
38.71
j
54.3
54.31
7.0 i
I
I.7!
5.1
51
3.8 I
i
!
I
1.5
1.5
I
I
!
I 3.6 i
I 3.7 ! 3.61
I
1.2
l.2i
!
I
9.9 I
31.2
31.21
35.6
35.6
7.8 I
15.4 I
I
78,1
69.2
75.1
69.21
78.1
55.3
63.2
60.2
98.0 I 104.3
101.4
39.8
39.8! 44.2 , 40.2
88.2 [ 81.8
86.4
6,661
6,66!
I
!
16.2
16.2
313
31.3
2.4
4.5
4.5
3.8
I
I
I
14.7 !
I
10.5 I
1.4
1.41
18.8 .
I
13.1 i
1.4
1.4
I
15.8
29.3
24.9
9.9
20.1
j
13
1.3
8.1
3.8
1.0
1.0
I
13'
1.3
14.9
14.91
11.7
1989
.1,549
26,70
2,259
n_
1
Ii
3.1
I
119
11.9
1.2
2.8 1
0.1
I
-I
2.3
6.2
3.2
1,4
1.4
0.2
2.3
6.2
3.2
1.4
0.2
-
-
0.1
2.5
1.7
1.8
2.1
1.4
1.4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-- I
I
i
-
-
ITable
Table 12.
12. Oregon
OregonCommercial
CommercialClam
Clam Harvest
Harvestin
in Pounds;
Pounds; 1970-1997
1970-1997 I Year
Harvest
(lb)
Harvest (Tb)
# Diggers
# Landings
Ave. lb/Landing
IblLanding
1970 25,884
40 258 100.3
0
1971 28,526
50 230 124.0
0
1972 61,523
37 354 174.8
0
1973 17,156
19 187 91.7
0
1974 16,315
23 182 39.6
0
1975 25,908
19 116 227.3
0
1976 88,054
7
97 946.8
946,8
0
1977 85,733
29 155 304.0
0
1978 216,926
15 218 943.2
0
1979 94,912
19 128 741.5
0
1980 80,467
36 176 442.1
0
1981 81,138
30 336 222.5
0
1982 134,105
46 538 245.3
0
1983 136,185
41 811 168.0
0
1984 120,574
30 704 171.3
0
1985 99,254
44 614 161.7
65 1986 82,829
36 664 124.7
65 1987 46,283
34 385 120.2
121 1988 44,696
28 258 173.2
136 1989 60,482
24 221 273.7
111 1990 72,756
38 384 189.5
92 1991 87,842
40 473 185.7
126 1992 62,044
29 410 151.3
115 1993 127,730
38 733 174.3
111 1994 180,934
32 422 428.8
113 1995 126,967
24 393 323.1
132 1996 66,733
21 450 148.3
33 1997 75,681
10 288 262.8
21 16 #
#
Permits Issued
Table
13. Summary
Summaryof
ofPounds
Pounds of
ofBay
Bay Clams Reported Table 13.
Commercially Harvested in Oregon by Species;
Species; 1970-1997
1970-1997 Year
Butter
Cockle
Gaper
Littleneck
Softshell
Macoma
Total
1970
885
12,257
1,218
863
10,661
0
25,884
1971
217
9,391
10,345
639
7,714
220
28,526
1972
52
7,269
34,006
1,406
18,772
0
61,505
1973
95
5,756
185
9,771
1,349
0
17,156
1974
412
6,073
0
8,987
843
0
16,315
1975
0
6,855
15,024
4,311
360
0
26,550
1976
816
322
85,831
455
630
0
88,054
1977
607
859
81,775
232
1,366
894
85,733
1,452
6,717
207,685
1,056
52
0
216,962
1979
606
2,299
91,028
0
979
0
94,912
1980
40
2,244
74,459
4,268
456
0
81,467
1981
2,409
4,580
68,508
4,892
749
0
81,138
1982
3,654
10,517
106,440
13,231
248
0
134,090
1983
4,035
2,579
95,091
34,444
36
0
136,185
1984
4,842
17,912
50,573
46,874
366
0
120,567
1985
1,646
29,412
20,121
46,266
1,809
0
99,254
1986
2,862
31,681
17,021
27,487
3,558
0
82,609
1987
3,046
20,202
6,368
14,140
2,527
0
46,283
1988
2,492
30,068
3,816
·6,884
6,884
1,436
0
44,696
1989
3,806
44,344
5,164
6,032
1,136
0
60,482
1990
4,604
45,607
10,391
7,521
4,633
0
72,756
1991
3,690
58,282
8,660
8,708
9,215
0
87,842
1992
475
35,800
8,609
10,980
6,180
0
62,044
1993
6,382
72,340
4,169
35,913
7,312
0
127,730
1994
1,961
163,295
2,146
6,084
7,448
0
180,934
1995
7,852
97,324
12,677
9,008
106
0
126,967
1996
1,414
57,197
3,459
4,472
191
0
66,733
1997
13,060
48,210
4,283
9,389
739
0
75,681
1978 .
17 Table 14. Summary of Pounds ofBay Clams Reported Commercially Harvested in Major Oregon Estuaries; 1970-1997 i ri
Year
Nehalem
Tillamook
Net
Netarts
aquina
Yaquina
Alsea
Siuslaw
Umpqua
1970
258
7,819
2,210
444
0
0
10,631
4,522
0
25,884
1971
589
6,168
1,598
1,819
0
0
7,459
lO,893
10,893
0
28,526
1972
80
9,637
914
57
70
0
6,105
44,642
0
61,505
1973
329
11,997
1,191
0
0
0
786
2,853
0
17,156
1974
882
9,309
2,049
398
0
0
445
3,232
0:
16,315
1975
0
4,637
0
0
13
13
0
309
21,553
38
26,550
1976
0
998
0
0
480
0
0
86,576
0
88,054
1971
1977
0
2,619
0
71,013
0
0
35
12,066
0
85,733
1978
0
3,111
0
172,047
0
0
0
41,804
0
216,962
1979
174
433
0
74,565
0
3,432
0
16,308
0
94,912
1980
373
5,320
486
244
0
9,109
0
65,935
0
81,467
1981
65
4,259
0
128
0
684
0
76,002
0
81,138
1982
10,862
11,501
37
15
o0
223
25
111,427
134,090
1983
31,856
3,144
200
5,253
0
15
1984
23,069
42,663
0
22
0
1985
40,349
34,148
240
o0
1986
30,545
28,737
480
1987
10,723
22,936
1988
o0
1989
Coos
Coqui\le
Coquille
Total
95,717
50
o0
o0
54,763
o0
o0
o0
0
895
268
23,030
324
99,254
6
0
1,206
19,557
2,078
82,609
0
1,114
250
654
o0
0o
10,214
392
46,283
34,450
0
1,153
230
1,200
28
7,086
549
44,696
80
49,650
0
2,790
993
. 600
150
6,183
36
60,482
1990
5,810
47,198
0
1,543
410
o0
3,432
14,363
0
o
72,756
1991
6,331
50,860
7,451
1,013
530
120
8,322
12,501
60
87,842
1992
4,597
35,935
879
7,067
1,398
o0
6,095
5,986
87
62,044
1993
31,966 76,103
54
2,843
1,495
7,105
5,698
o0
127,730
1994
5,533
149,494
422
2,413
3,441
7,403
12,042
25
180,934
1995
9,143
103,702
4,612
5,593
3,737
120
60
0
1996
1,276
63,039
748
1,457
0o
o0
163
50
1997
4,837
69,604
-
-
-
-
367
668
18 1t3
93
o0
o
0o
205
136,185
120,567
126,967
66,733
75,681