v&
!4/4
}owered
#e$ Powered
Inhsr;*1*al{l-er.n
Intertda? Clam
HarvestIng
I{nr.reetl"ng t1:."Gas
'*.iat*n
*aY
#oos Hay
i.n Coos
Water Pumps
P*mp.eIn
]196^4,by
bf'
- Jln
An tgrl"*sbigetlon
Investigationn*x&s
wasco4*ilrteri
couctei *cr
on Aupgst
Awtst L$,
1, 1962,
'xhat
effa*f,e
p*?'senn*.3"
Uet'qnfltnowhat effects
Fi,+h
fi*::iyllsel.*n
Qron
FIsh
Commission
personnel
toto determIne
Oregon
purnp.s.hacl
watar pumps
powex"odwater
gsr* powered
by gas
mechanical
had
harrr**tlng of
el"araxb7
mechanleaL harvesting
of clams
(!.chi.zo-r,h*ee-rs
nrrttalll)
juvenil-e
tn
elp"ms (Schizotbaerus nuttalli) in
adult
adult gaper
flfi.,-'r
on juvenIle an
Eap*:' clams
+ently
h
This n:etho,-*
method of
clans hrs recently
Fsyo Oregon.
*reg*r:.
sf harvesting
Coe,i
3!]l;
Coos Pay,
dlgg*rs in
l-n
somrc*v'cLaldIggers
been
employed b;y
by both
both porscnalr11sE
personal-use s;'id
ad commercial
bs'an **pLaye.*
& rsa .
C a cs Hay
? a r area,
t h * Coos
the
1962 as personal-use
Fro$
From O&5C
06S0 tc
to O?ZC
0720 cn
on Augu'tt
August 15n
l, 1962
clam
5)6rson81*u.ts eJ'am
(.?i{r-*
u"*lng
digger
MaurIce }$ul.f
Nuif)
was absarEed
observed usinc punptng
pumping aquLpaenb
euiom.nt
dlgger (Mr. }{aunice
} aran
firlc*
Flat In
ln CooS
StsEtlsn island
islsnC Flat
g:rpsr" clams
C$:a.*a*sStation
rhe Compass
to
take gaper
on the
al*ns'on
to-tak*
nktf
f
en
outboar
C
af
conslstod
cl a n takIng
l i l s clam
e q ui,nnent consisted of an outboard skU'f
Eo y . His
ta l cl n g equiprent
Bay.
p+wer
ed
wat'
r
r
Clinton
U } horsepower
i r or sepowsr gas
w e .{*rs, aR 2r
(OHL8LC)
{ + n t i g - ,c), waders,
r ae powered Clinton water
*Lamet'i1::},
tn diarnetr),
lnch in
pul.t1p,
i:r:se (about
e h.*,rd
pump, a
hard rubber
r-ubbe:' intake
inta:ie hose
{abnut 11 inch
jfrffi
pr*+*ls$
etals**r
scn* wooden stakes.
ltas+ r and some
a
& plastic
S]"e,$tl*. garden
6ar*en hose,
alplio$s ih*n
for their
ti::.*li' siphons
gdper# w*lre
f**ling- for
b;r fsel.nC
The
were located
then
fhe gapers
3o,:at,:lsl by
tt'*.ck
pla*e* th
*ka E{ud
*o kaep
st6kbs wsr$
wooden stakes
were placed
mud to
keep track of
of t}-:ert
them unt1l
untIl
wroden
!:r the
tde.- .
ho.'s'*was
Ttie garden
moved 5.nr}:1?3"#ua11g.
indvIdual1y. The
ea*:h &.gr******iff
b*:.r-en+v+c:
each
ó1t1 bo.
Sard,en hose
tl'ed
and th+
the lnfrake
intake ha*e
hose was
was tIed
attachod
to ihe
the or"itlet
outlet *j
of l',i.t);,unp
*' uuznp ar:i.
at**.or1sd t*
qf
The
clams
cLnns
i*atar*
Ths
fe'it of water.
sc,taleeand
ab*rit 2E feat
fr stake
a;:d submerged
to
i.n about
strb&*rg6d In
?o a
.rJLfo*t3-;r down
*t phon hole
hoJ-e
down the
prrtpl.*g water
bhe sIphon
v*t*r dIrectly
were
by*-y'purtpthg
trfeye reoved
:ls*r,*I,I&'."i.
fr*rr the
hol,e"
thE hole.
;-:ntll
:'amoved from
cor;:id be
b* removed
until the
t?:* clam
wa$ loose
and could
sLfim was
looae and
P,nr,l
&l:rcs,t and
l.x*hes across
5hIr operation
n hsl*
ahcr*"t I inches
s't a
hole about
*,p"ergt{.*n J.eft
This u*sl:1r:t
Tiri*
about l-?
12 t::rherl
Inches *r:*p,
deep, fi.i-th*uri:
aithouch ti:.e
theelept!:
depthva"Es-4
variedwith
wth th'*
the tndivmdlvai:rout
pt]$tp€d out
tl're h+le
out of
1am wes
was b*tyig
being pumped
of the
hole
nJ.&,":r.$.While
xCl:tl"e-'Lhe
Idual clams,
the tl,s::a
ldual
pll"e
eular oils
+ q sh a ,n E $
i lflowed
+t*e d oout
the
of the
the top
top and
and left
left n
a clr
circular
u l , of
t ) - . r rwashtrics
The
The
a'ro*nd the
th* hole.
hcle.
rXeaparound
s,",nd and
of
eari. mud
abclr.r*2V or
*r I3 inches
in*han deep
cf send
rn"lrl about
The
The area
atraa around
al'$und
ws.,sabout
dlar*et*r" of
w*ehlngs was
LE inches.
l:r*hos'
dianeter
t!:e washings
ab*ut 12
*f the
roas difficult
dX.fftrcr:l"t to
to
tt was
the holes
holes ge*mq'*
seemed ts
to z'e.xat*
remain f,f,rx
firm ail-i?:l*T*,g?r
a1tnouh It
the
st:ice
per''iod of
tlma since
of, tIme
an extended
treels of
of th
tt:q holes
hol,n* for
fcr an
sxt*n$sd period
keep track
ke*,gr
ShilE the
While
bhe
wster .
of water.
f: $working
d l sfsr r*E
o rk1 ::q tn
al. !nche
9::*hen of
was
In seqcr
several
t t r s , dlcrger
th
*w*.lter
sften smaller
holes often
l 4 ra rebeing
f,r Cmtie
**.* holes
b .o l n g ,'washed
r uashe*from
large
l a r g e gapers
,g
rp rrs were
--*-iuld
rs*shed
wsre washed
cla:n.:rwere
These
ena1l clams
.*lso be disturbed,
fl:eee small
disturbed*
gaoers would also
na*6c'.s
u:dge.
sutst,*s edge.
ths outside
srausrdthe
.thb::'lngief sand
*sttl*d around
óut ,otr-e'r
or thèaringtof
and
sn*isettled
-dui.
uqlr-l
$*tsr
el.efis since
sls*e the
tho water
r'scov*r these
theee clams
dtfficu.Lt to
It
was difficult
e*uni; or
o:' recover
?o count
!t wan
gfap*r*
uaril:ed
sraaLl gapers washed
However,
the
?I*we,rre?",
the small
wr\* o1ouod
clou:lerl by
by the
fhe operation.
was
oparaiion.
steasllrsTi:e measuremca*ursd. The
*nd.measured.
ncrlee were
w€!.e roove
rqe*vereel
out
red and
of three
ihrn* holes
o.ut of
s fo
l l ctr" s:
merits
are aas
follows:
n
El a i s Ar€
.
tlaL* No,
So" 1
Hole
29,
2 s t 29,
7 , 33,
t.2, 331,
3&, 3
6 , 333,
3 ? , 28,
26,
1 +32,
,3 2 , 32,
1 , 22o,
3 , 227,
3Si ti.€r
i:a? rfi z
1$ capers:
1
E g, Z2,
i , 25
29:
Hole
}l*. 2?
I{ola No.
2 gapers:
30
1 , 30
f r i F e r " .c: 5l,
2 iia*cr*a
uacona .si): Not
i'?ot m*ani.:rsd
measured
:
2
1io1
t{-*1+No
2 gapers:
, : e i i"ic.
aril:
3
3
27
? j : , 27
2h,
Total iTc,
NOa gf
of g!{flli,q
c1ms nea;:ug'erl:
isured:
?*t*tl
19
$r:r"mratton:
Sunuation
f*l81
E
X::
3O.
3
'3,58
oiio +}*:rr:s
darns
}ri:*revarr ilorna
Tho'e
c1a-. Hcrg
were appa:e**}y
aparent1y Wr{nn*6*do hoJever
These cl€Lqp
:bOt]:
r,'alVe;c
both
valves
sr
iln#
bi:.*}x
egth*c'
sfi.Iile
namc
eie
wore
noted
later
wtth
either
one
or
1e**r
..rlep
ssil&
nctsd
of the
*f
i;ho
brokon.
broken.
en* the
the
er uers
wero ms&sutrq$
measured and
bg the
hira *!g,g;er
ator ci1:
?hs
clenn kc.rt
ieept by
The ffepdlr
:'*'**g'Cptll
lrera
foilowtng
rncasureriets
wore
recorded:
ffieftsurumgnt
fcllnwlng
1J+,- .
l q q , 99,
l f u l , Oh,
9 ? , 13k,
t ' : , 141,
9 ! : r 128,
J : I , l -l ,j1,
1,
1 3 , [ , :122,
1 1 - 9116,
r1 1 $ , 130,
t 3 C , 138,
L t . ,116,
i , 1 L 6 ,119,
l1mtt}
belg
(vLoiation-.e:ceeding
bag.
limit)
rr{
Tpa:
r1r,;
L3$'{'{l*iattoir'eaeeedln6
:.}1; 126,
f.e3; 13
131, 129, 136, 131,
fe*, 123,
tJ-tt
a*?,
&-'r
?5$F
srr;rftatiorl:
2
Sumrnattor.:
2O
20
Tunibor:
llu:",rber:
x?
,;
i28,hO
1
2 8 . LC
'e1t bhLs
this sisi:hsd
method uae
was bett*r
better
ho felt
rll-ss$r commented
tliqr.t ho
ccr*n**ted that
The digger
qrr*ntl
.itcr,LnH"'*rtr*h
*:relll;hln
bet;au.ga
t!:*
a. nh*rreltherd1n with a shovel
because the small gapers
Eapsrs aren't
tsae selective
seleeilse
*;hr euthIs
m pihr :d wan
n d l :e
iir t*l method
r iburisd.
:u rL *d *land
hefdlt
cdt that
c r "r s h e d '6 r.
crushed
to
tq larger
larg*r S&psF$r
rers.
flst on
*n
No
clamrilgge;:e
diggerswsr*
were obs*rv*d
observed on
on bhe
the fist
co*n6*cfn1 el-*:e
f:6 comeicrnciai
E,
31o111o,r*?.4r'.
E.
Hollin,
Mr
L'
L
34rs.
te
Eowever,
according
to
!rs
19&4,
uust 15,
AuE;:st
15, 1362. H*taeverr*ac-tor$.tng
*
*
F
*
S
o
x
L22
$
e
a
f
o
e
d
.
e
l
&
p
r
o
p
:
:
l
a
t
*
r
#
i
c
f
b
3
3
Larrr.
Hollis,.
proprietor
of
C
&
L
Searoods,
P.
0,
8ox
I
.
!
{
o
l
i
L
x
,
i"Fry
1esAvenue.r*.,.!.-h',9,,1'|neesrant
Cha1eton,
0re:on,
and
Mr.
Ed
Conqulst,
Grant
Avenue,
çh
$ongu3,*t,
94.:,,
Sd
anri
*reql;+n,
eira6irap,.S,g,S,
wl.tir" a $as
fl.at with
ti:ls flat
*}ae" on
on this
ton,
0r,on frequent1y
}mrv**t c1arnu
fre{r:*.nt}.v harvest
tonr'lr+gci
'f
of
gaper
cimn
pau*:3s
oun.
of;
puurp.
ni:*rs*
Table
1
shows
the
the,
plar*red
#stor
able
I
pwered water pu.ip.
S*rper *.lame
t
3-$r
tg*?:
*u;ue
eafoods
from
July
1
through
Auunt
15,
1962.
thrcugh
1,:eafagide
fr'om
July
doIvered
tot* c.S'& L
i
heli,:-ve:'ecl
th*'
from
,:Lens
1rs1'&
?:afvs"s?ed
According
to
Mr,
LL.
Hoilin
those
clans
were
harvested
from
the
the"qs
iicliln
$.ce*r,lln[ to ]/ir'* L. A,
pu.ntping
Coneulat
using
pumin.g
a$trng
f;c*q'trL*i
5*
b3l{:".
Fiat by 'r.
Compiss
St*ttcn Island
fo'rr.pa.ssStation
fel"asl* Flat
eqIriont.
eqtll'pnonl'ol
to Cc
deltvery to
Lt 11! delIvcrd
rLans fro
l:'o:i.;*1:e *u:r.t-lt
aper -1ams
h .:iaFer
Come O tl:r
were
following
measurements
were
measur:ements
following
ti:a
L. *s.-qfr:*qls
Soaf codsW*rs-3aeAeu:'eS
wore neasured ;1nii
and th
Fs,.L.
roccrqi*':i.:
recorded:
121,
1 3 h , 121,
13C,
1 3 t , , 13.,
l.C ? r
1 " 3 1 "109,
132,
1 1 2 ; 131
12[n
l ? a . , 12i,
L l f i , 122,
115,
138.
1 ? 7 , 135,
735,
1 3 c , 127,
iC,
1, 3 3 ,
1 . i f ;173,
L
38, 1
13,
T 2 3 , 1129,
O?r
121,
! 2 ! , 123,
rThI,
l,r
tl ,cEf ^u r
t12,
L, 1
' rd] , ,
" L r . l . r r 126,
LL)
ll,
L 2 t , , 120,
LCIJ,
i i i , 120,
129,
l : . ' i , 136,
? 9 , 11,
r
112, T
l121,
" e l , 1 : ' i . , 122,
125,
12,
10.,
L
d
?
110,
l-10'
1C5'
il0'
11,
110,
121,
l-ir!-,
s .Ld.) t
1 3 1 1 ,12],
l I i j , 13,
11',
121,
l]CI, 1
e1,
1.2,
1 L 2 , 1)8,
133,
A 2 3 , 133,
112,
t 7 ? , ?2,
115,
l a O , 11,
11,
1
1 5 , 120,
121,
l! ^] ^i r 13,
l' riri l , 17t.,
flJj,
l-30,
lli-lt
130,
Ld)s
123,
I
1 r tnnmnursb10
nmssrcur$rble
Summetion:
1039lr
Sr-rn:eetttfin: 1039t
,tir
8!i
1umber:
l,ir.trrbe:";
123,7.
23.7h.
Er L
:
l127,
f;?r
l2,
].,2l,
lJJ.2,
lit ,
1AA
rq/
r
1 .fr-
4/
126,
lr.ll; 1AS,
3 3 C , 120,
1 2 S , 11h
1
129,
f i 9 r 130,
122,
lge,
132,
l"3,lr
120,
ltQ,
i..r.9
119,
131-,
131,
r
117,
t
L
i
I
t
lif
107,
131,116,
1
3
1
1
1
6
L
L
t
1!'7,
Tr
,
' 1fil,
r '.\?
tn+
atn
102,
3'--rh\tay,
112, 119, 118, 112, lOh.,
t
12(,
12f*,
1i,
YLh,
127,
!
2
7
1
1
,
3
,
l i * , I3,
L 1 3 , 116,
113.
t
3
3.
Table
T a b l o 1.
C 8,:
& LL f,eafo*d
eafod
bY C
pr ilpii-r$ Bouht
lapr::.
l**uy"ht by
i?62
to ingust;
At:ust 1,5
1,o 1962
J.,..rLf
Tu1y 7? to
La"
Df ',?apsr
'PO Clr,er:s
F-srtnda *f
lato
'7
7/1/62
/r/ +z
J-, j
-___-_1_
--
_.J.,_fl
(.W
20
30
Jv
T/?"i$?
_)
/ L/
7/];/{"a
-, /1
,ft
,J4.
J{}.
1d{
22
10:
1$8
7/1/62
i /l.lii?
7/1/62
T/tt:".L?
7/i/
?/lr1/{:7
7/16/';
7/r*/622
P?E
-239
rdti
1
1!.
r!rL
ilh
r.1*
116
7/17/62
ilu {6?
t/tF/At
7/18/62
7/1?/E2
7lV/#a
th/*e
8/1/62
t,'
t\Jl
'-
-
vb
?!, ?
37
.., r
I
ti3
li13
4v2
205
f.'/ t'/ {,p
8/6/62
i'l i'/ *i
t:l8l*z
8/8/62
1$3,
" f+9
1C1
101
t8/I/62
115/62
2511
25tr
th'ough S/t5/628/1/62
/t/*z ttrroush
_f7/1/62
+
?'{r'
Mr.
i n v * * t l g * t O r s . t h ethat
t
t h c invit1gatori
: { * l - 1 , ! , qt1ntorwd
IL.
n f s l m e d tho
Mr
. T , . ii-Ta?1i
Hr'. L
*::a
lh*l
harveiting,
and
that
*J.*r,rn
hr*rvestl*S;
!,:X"q
i,rr
Conquit
':S3
flQ
:IvIng
gear
In
hs
c1j
iivlri"6
Conquf.*t ",Jse.qn,;t
iisal"
th
fr"*n*'t6;
cJ-am;qfron
he
hor-ct ciam
he day,,,r,r,stf,
Compa Stt1on
$battorf
ff.emp*tss
onlp.
Flat only.
I1and
lsland Flat
S* Ilpangl*:'
Augu:3t
1962
fiugr.l$f .21,
?3., 1?/-g
0.