. {l*&Y
advertisement
1
{l*&Y
ffiss.
.a
Infomat{.osl f,or Crab Searsng on NoveErher2.9
.
puryoee of
The
The purpose
of this
geuerel atatus
statue of,
of the
report ida to
thi.e report
to discuss
d*scuss the
the gefleral
Dungeaansesab flshery
Ln Oregonn eo presgnt ghe lnforma8{sa avai.lable cs*e-
eernlag the opealug date of the L96& soason, and to {.u8osanthe e@lasto6
TT .uii
ag
8o the
the ruerltr
to
terits of
of sce
rme regulation
regulat{oa changes
betag considered
by the
staff,"
changesbeing
the staff1
eengidered by
g*esssr
eggs
qw
Mat{.ng of cbe Dungeaess cnab occure {n @rd"t through
*he3.1 nnaneend a sof8-shel!.
the eggs ar*
fme1e*
The epen"msre carrr,ed {n &he ovlduet
depoad.red under ehe abdw!.nal
flap
F'ercfll{.gefLon eS the egg Sakes ptaae JueB prlor
ehe abdomes,
,}uly betweel$ s hnrd-
!,e CIegober eh,roragb S€c6ebsr,
86 exgel*i.on of 8be oggs onno
?he egg mass wh:en f$"ree exersded {s a br{g3et orasgs trecmtag
dErker as deveioBreea8 of the eanbqro ra$.rb'l"ebhe egg; prc,gre&seac
S
{u Jantaary through
&lay"
The nae".n!e ere free
fn*re asgis*fng the eppearsa*e
6-U4
*fter
swiw*!"ng ior
Haechlag ocea{rg
abmtge3-4 ueuthE be*
of tbe as${cgteEa}r arad *e&e[$.ng to the bottm.
ta eaempn i.shcd bny a suecess{cu
$eptmben
$nt$-l
GroEseh
of nsolrtngo wbl.c'b uo*na3.?,y oeeur {,a Aegus8 eur!
year of Lt,fe and a&.tai$ e$:e leg6al mtntsrm stae of
ehe fi.rst
tnches da 3-& yaasso
$tetrrs of
Status
of the
Csab Fishe
ehe Crab
F{shere
The Oeegow ereb ff.ehery
Crab ff,shem€a
*s be$ng explof cetl
afr eh€ naxlstm alloq*abte r&t&n
Reeove se6s6 ths$ 9(l% of rhe [*$a3.-slaed
rcele esabs e*ch Beagosi"
I
*fhem a f{shery
op€rdt€s
&argety ora a eingte year clase
year3.y {aerd{ags S&ueiuate w{de}.y.
wt[lf,on
eo&dirtona
whieh preve$"3.ed amd Affeeeed
e\rer, s&en vlessed ovar a loog-8snr
stabte
Oregcrn annua}. Xnnrd*ags rsng@ ffem.3,5
poueda w$,8b tba Euceeos a$' ea*h seass{r appearing
erw*,ramentstr
.
of saLna}En euch as eretrs,
te be depeudene elpon
erabs es Juven{!.es.
pec'{.*d, th* produea$,oxt trend
begireen 7-8 uEtl.tr{.oapeunda annualLy (F:i-guue .1}.
&o 1.8
Sors-
{a rclafdvely
.
2.
Ii
\s
@
*r1
\s
a
i{Ba
a
@
0reon Dun$enet Cb Landtug.
1960.61
t1
\Oe
td
0
"cd
€E
€'!
rl
al
!8
s
s
F
(J
Saon
.
1955.56
a
\o@
st
{9
4d€
8f,tsg
!ns6
o'\s!t
r.4St
(ncl
It
@
p
O
1
r.{
1'l
I
€t
rt!
Ch
F{(p
Fa
Piur
195041
o
o
9.
p
I
'ul
6t
1943.46
\o
s
itl
{
1940.41
Sl
d
F{
$
I
s
st()rfl
.
FC
s'a
II
g\
r,{
8p{reod s$ SEoIIITH
b
J c39
€8ch y€ar
f.s the
crabe each
year is
of legal
Legal erabs
rate og
of r@ovat.
reova1 of
for the
hf,gh rate
The reasoa
reason for
Ehe
rhe high
pota
8r(X}O pots
f!.shernclr urlag
using 8,000
64 crab
crab fishermen
increased frffi
fri 64
hag tnereased
f{sh{,ng intensity
tntenssey w&leh
fishing
which has
laten.
281000 poes
The inten
1961.-62" The
Lo 1961-62.
1,34 fishermen
in
to a htgh
high of
of 134
using 28,000
pots in
1.947-{+8to
fdsbe:mcn res{ag
lc 1941.48
and95
95boats
f,kb*
past two
118and
boats fish..
eeasms with
wtth 118
tuo seasons
sity
has declined
tn the
slty hao
dect{acd slightly
ettghtly in
tbe past
(Table 1).
pota respectively
1)"
respoctl,vctry (Table
25 and
Lug
and 23,000
Lag 23
13n000 pots
The
decl!,na in
la Lntensit
totcnrltl
The decline
Ol'<'a.
probabny related
abamdaneq
eraba"
probably
ofof crabs..
re!,ated to
eh€ decline
decl.lre in
tn abundance
eo the
i:r!'r{
1r
is
{ae\r'*r9!
The
of the
Sncreased
Tbe effect
effect of
tbe increased
f,lrbeus{tt 6ver ebe pa$t few years haa be€B Bo essv€ the paak perlod of laod$oga
elosea Bo t:he opcnr.rg daee of, &bo seasoc.
cregBsecqersedX,nAprtl
aad Hay"
Is 194.7*488tbe sosrtbo of maJor brt-
nn tbe past .S se&ssns gbe e.ajar landl,ngr occurrcd
fn ehe fi.rse ? mstaahsof ebe sGeson (Deewber-.Iaeuary) w[th a etcady decl'lne
thereafter"
!,"
Table 1.
Tehle
Est,tncated
esd Estimated
Number
of
tdr,uebrer
of Boats and
Pota Fished
F{gbed by
Humhccof
erab Pots
Number
ef Crab
Year, 1947-64.
Vearu
19S?-64.
_I$
Slrrpbew o€
ir
kq---,,.-,
-,
g9{r}.-do8
1947.48
1968-49
A9e8*d+9
194950
194"9-5S
1950.51
3950-51
t95i52
&95t-5?
1952-53
E95t-53
1953-34
3"953*5,&
1934.55
19$4-55
195356
1955-55
195637
1956:.57
1957-58
[957-5S
1958-59
&958-59
1959-60
[95$-60
196C61
t96S-61
1961-62
[96]-6e
ge6a-63
1962-6
1963-64
t963-6d.'
AtrL eattuaBes are
undoubtedly [cw.
.
- - * - - & g g $ g * p r . g $.{ n s. . . . , - , , F i t e
67
67
35
3.5
29
?,9
63
s3
83
E3
73
71
83
83
91
2L
9e
94
94
?3
73
81t
8
g
97v
110
x3E
tr34
1.34
118
148
{t5
95
Uaalmn
llo,
of
Tffl11IJ
FqStd r/
8r01.5
8,015
3
,935
3,935
3,795
3
rtgs
13,626
!,3n626
15s709
15,709
13,307
13r507
16,177
16, !,77
lgr634
19,634
1grg23
18,923
lg,?06
19,206
21,307
2t"1307
21rg?4
21,824
20,623
20r623
24,443
24r4p.3
281399
28,399
e4r618
24,618
23r0o0
23,000
44.
0
S
Oregon crab
!,andtnga in
esab landings
Oregon
totaLed 3"!.
3.1 nl,lli.oa
sillion poundc
pounds throrgh
through June
1n 1963..64
1963-64 tptaled
a$ eoryared to 3,0 n!.l&to'o pomdr drnrtng the eme pcrlod of thc 1962-6? s3ri@r
Toeal l"aud{,agafor the seaaoa are exp€cted to be a ldttlo
ovcr 3.5 nlllto
poundo, 50 pcr coat balor the long t,Grmecsn of ?*8 utl!,lm
attghtly
better
psud8,
althougb
then tbc 196?-63 Bclsoo.
Factors *so&!fl, *$Sesggss
Crab P{*_dpc_q{es
Production
ggg!.
.4aegss
the folloving
folLowlng factors
Tha
faetors affecting
abusdanca of
of, crabs
affeet{ng the
tbe abundance
erabs cannot
bc substancaatrot be
rubatanSfst*d try
tiated
by eoavlne!,ng
convincing biological
b!,ologieal evidence,
enldex€eo
Bovaver,
there dc
isgoneral
generalagrccneat
agreent
[owever, therc
slrtlg sbellf,l.sh
among
hl1fih biologiit
bl,otogi,ets along
coast that
along the
ebae these
f,actorr are
tbe soeet
tbcre factors
op€r.Elqg"
{rG operating.
9geag.{g 9rlsgqgs.
{ug producclm
I be[feve tha* potcatlally
lc oeean{c €trrresBs prcva{lf,ag
perf,od of S.arval crabe,
S
tbe caJor faetor
llat,t-
durLug thc ,ftea-r;rtrntag
If, che costbcsn €urrcnts
aope l,n elong cbc
Oregan csast to eh,e spr*ng aad eer!,y *r&n€r chroagh .Iuly lfiLeb ia
durdeg the frae-swtm{'ng
and reacb $Bttltog
perlod aad the larvro
arc d!,eplsecd sc&perd
*{se *'a ehc deepar 3 as eourv!,qcedtbcy uttl
bc lost
to $:befishery,
wgtbln the laee few years e gaent ebuafunee of coho ealoon
Sg*Sf"":.
bave bcen prasmt
ta the oe,G&n, These f{sb fecd on crab larvec rnd
as sany ae 1"500 acgalopa-$gag€ ceab tapae
s8,msch.
Other predaBars ar* rocbfdcb,
bavc baen fstnrd ln a afugtc salnon
l5ngeode wolf,-eel,
bsllbut,
*nd
eay other fieh"
Igasl
ffgbtq&.
ths reserrea
&aothcs f,6e86r rlaat usdoubtcdly has rane offect
Ls thc rrawl. f,f.rbaqy,
l,n roceat, Eua[err tbe grarrl llcet
bas nglrad loto tbe shaXlw sbolf ar€ea {m-es
etsk, food tb{s
S
upon
faEhmc}.
rrrm€r wes sbseaved to have nnny sugenesr
our lord of
crrb
legs
sf,xed la wdth tbe fdsh end eaolt crs wbo are ai.so crabbera raportcd
bean!.eg &rart
flsbernalr
corylatnf,ng
over Eh€ radf.o of pluggtug tbcl.r
5.
5.
cspcuslsg 3
dragget reported
repor8cd capturing
3
Xprgencoaa dragger
rEots
!n one
ooc instance
Gf,abr" In
nets wf,eh
with crabs.
La bt,a net"
of 6tlr tagged crabc
SpBuneg{gs gf- SEg3ggggqa.&eg. A flnat
a nlalrtm
stlee oa ts{es
pr{or
althorgb
not futly
potenctal, ta olr s{nLmn alze rcgulatlo.
*tood but ecrtalEly
cctabtlrbcd
f,actor,
tize of 6*[/4
to reacblng
ltlr
Tr hrve
cbc naX,cr to NstG
lnchec eo allw
!ega!. st*co
$rd.r-
saE to proryldc btard-
lng populaetoo of aales ehat llae unaf,feceed by the flehcry.
f,orrlvtrr
grcwth rmrk ln Ca[lf,orsrfa nad Orcgoo !.adf,caga Shat a Dcgaont of onr
erab populat{,on gr@s €arc cnough eo snt€a tbe Stsher;r bef,ore rttlll
and rrc q€t oot bavo ctoogh brecdlag snaloa to sorvtct
'th{,c cvi,deoee ts psollatnatT
nake rwod
avcltrblc
esrd wc need f,usthcr nCddt btforc
frnelcr.
tle crn
s€ccffisdatlons.
Seaemc
ps iany
aod clog.
opou and
clonr
There
naay opiniona
eeaom should
the crab
I uhen
$foee the
arab season
op0niome on
rhqtrd open
tbeEe are
rra as
uainly by location
l,ocrC{oo
plant operators.
ecssad nalnly
tg caused
Tbts is
aad plant
o$r€raeors* Thie
arc fiaharnen
es
Bhcre are
flsheeecc and
ea there
rpm the
ler
Gboin..
cffet upon
di.rece affect
ehc direct
of
re!,eBl.co to
nasheta and
esd the
fiehgag area
ls relation
ee narkete
araa in
of a fishing
goso individuals
rrr6scet a
rnditione. Scne
tad{.vXirnl8 suggest
prevaLllog eccoonic
diiduale
by presaLltag
ocoa
emdilt!.oes"
ds.vl,dnetr by
daee"
€penfcg date.
uniforn
coastwid, opening
ssg'fora coargwldf
ptobla
tbo preblen
This cortatnly
certoiály hsc
has nee{tt
serit boo*""e
houaver the
Thi.a
btologletrr
of biologist.,
is bor
bow to
to errl.ve
arrive at
at es
an opening
date that
will plaaun
please o
a *jor
eajor portlsil
portion of
tbag u!.tl
cpcnlug deto
8s
(Jancart 1)
l}
Uerbsagtm (January
paoGggsororA data
uorld sausfy
ftaheaeu
A datethat
mB{,sfyWashington
Sbstwould
eadprocessom.
ff,obcraca, end
for the
arca south
rmtb of
b,tolog{,rtc for
would pr&abty
probably bo
be o,ppascd
opposd by
of Polllt
Point
tbc area
by California
Caltfosa{e biologists
croag!,d
Arose.
Arena,
flalbl,lStcr
plaatr would
Tat
tet Washington,
oppolo it.
i3'
sould oppose
o.t Oragm
Oregon flchesuen
fihernen and
loe planes
Solt
gad sone
fealn tbi
tbto
justifiably,
.lucetf{abLyo fe4ils
Pugct Sound
Puget
Smnd fishery.
fiobcry,
thelr
is tbe
the carllrtt
tarliest 8bG
the 3etlen
seasonsbmtd
shouldopGno-t..tcrpt
openezcept their
*.e
dctr for
probabty agree
tor the
tbc
California
a&rGGto
to this
ebls date
usold probably
CsX.[fora$.a would
area aorth
north of
Paint Arcao"
Arena,
of Potat
sree
A
am
A nuLl
unl,{orn
rrduee
season
opening uonld
would ptobebly
probably reduce
aoaam cpcolng
arcc opening
opotag to
to
borer that
8rs area
border ecfllct,s
conflicts and reduce
of boats
Sbee run
rurr Iron
rcduca the
em,bcs of
tbo uwabar
boedas
e€rcs of
qolag
the crop".
of the
crryr.
area
and
ead fishing
ffcht,ng on
m the
tbe "crean
arca opening
for
The
for
thr justification
terstflcrtlm
6.
6.
dtf€ersce opening
op€olng dates
datss lies
lics in
different
of crabs
crabs rescbtag
reaching prtrc
prime ecndttlo
condition
lu the
reeLrn of
ehc realrn
Ln some
tooe araaa
in
areas prtqr
prior to
or later
8o or
l.ates than
tn other
otbrc areas.
than Lu
ErGileo
$omo fishermen
ffuhrrrr&en barr
euggcst€d tbat
Some
hay, suggested
that ghc
the scsrmr
seuons be
bl set
mt by
by condition
coodltl,o urn.
ta.
pltqg
b'y tbr Ftsh Coetcrloa.
?bo argmcnt
tar thlr
prfae eodltim
tbctr ranl,d rvrn tlkr
is ehat the craba rwld
aad tbe grcatcrt
a6ai,aa8, thf,s etrer
pr€Psre so flah
(1) tadsatqr
ncat ylald
crylelnorl
brc&rn dom Go rilltr
thtr
bc barvtrccd
rfia
csn bo roel*sed.
tlrry rrr
ln
fhG ss$n
otf
tbae tbey dld oot &nc rAcc to
or oporaEo ar*d {2} ths laeb of Em€ya tfnca aad eaopmr
would ba ragulred
by the Oregm F!.sb Gtrffilcol€e
(T
z-irr
Ilisrv 1953-64
E
ereb s{rrrs& oponadNunf,fornly
so frytcnoat
tbac
GbIr euplteg.
alqg iT1I*
the Orcgon coetg o
Dceeebar
111963,
1963r for
yeara.
for the
Dcenbar 1,
ftrgt time
tbo first
&any years.
tf.ne in
tn many
The
of
Tbe condition
e@dltto
of, crabs,
crabre
pere@gags of
as acae88r.d
by the
ebepercentage
,oof,t shells
good.
as
rneaard by
was good.
of, soft
ln the
shells Lu
tbe cateb,
esgcbe uaa
The
So
Sonpor Aliea
(rarrtb of
I (north
former
Ares I
head) and
of Cascade
Careado Eoad)
aud Area
AEr6eII
1l (soith
cf Cascade
Caecodc head)
Brad}
{srortb of
gbss 10
boeb had
both
lcar than
had less
!,0 per cent
eet soft
ssfc sbell
lballs
Sarytteg
ag As&or{a lrr Oembcr
8, 1963e rnvcaled e rofE-ghell
5'4 pcr ere8 oeEth oS tbo r*ecr
ampl&ry
(tabla 2).
Lu
the eateh
catch at
Ls che
at the opening
opmtsg (Table
2).
pcrcotagc
aad 8.3 F.r ceurt as68b of tfic rlrcr.
lneter
tn Deced,)er resealed aa $s€r68ao l,e thc peac€ags6c of aoft rhcllr
nortb af tha r*ver
f,o 3 u,aageffi of 14 per eeae eod a oteady dccl,toc ll
ptrre€nts6;c of eofe sbell,s ssti,Sh sf ebe rlvea sf,tb cnro cnBcptloo.
aqle
of,
war b{,aard by e&a fsct
ebat cbe ghel!, erab hed bers rsoncd
aaryltng"
Arcn IE erabo lrcra tba bEoE at the opoiag
msay tctro
tsd m ocly taCI oceartoo* durtng tbe erylfrag
trO per esf,l8 so$t-sboll
fblr
pllsr
tbo
lattrr
to
Gbat tbry hrve born for
pcrlod
encs.d.d gho
trovol.
ft
Zn
view of
oS the
Ia v!,or
f,oragof*g {c is
fe the
that
abe foregoing
thc staff's
seaf8t3 recomiendaticn
rcccmcoda8ia
tbst the
tha season
r..ron
Doccnbcr 1,
sFss on
oq December
1966 and
aad close
latos than
open
[r 1964
es later
AugnnS 13,
eloce no
tbaa August
t5e 1963.
1965.
Th.
tbc season
tcmo
prwldtd for
as ila;t
for in
as
nom provided
viii asgmet!€elly
automatically *a
open on
tt General
1!l rtll
6macsl Order
Order 1.3
a these
dates.
drtcro
tlrlc
Ure !!
of Crab lgtr
Pt
!
with
tESfoe
$tth UrnLfor
Brcapq Btnaa
pote.
prtnedty
tha
ccctcia!
blrvect is
oado primarily
The coenercial
crab
by
erab harvest
by fishermen
1r mad.
ftrrhcnon using
artCIE crab
crab pots.
aogue a. Red
to
Cal
oder
No.
7.
G\ }\ {r? cl
cas|g
t*fqF
S
0
0
572
3.1
-.
-
1.4
2.6
n.€
c
13*
14
s
t
@
e6
*
a
14
g9trl
?t83
6teE
t
taq!
{t
d
IG
€\e l'j
G0
$$ln
g
3!
0
0
0
0
qle!(}*,
4t
q.a
c€
dvl
Fl
sc'oc'
lt,
tl
ll
lfdl
**l
\&
0e
I
oo
dl
t
t
|
I
|
!
0
|
|
e
I
a
frt'i
3 t
l?4
o3l
*I
.a
rd
€a
1,013
0
0
0
0
oC'eo
0
204
r"{ h a\l
.f!GN|N
0
ra
Er G.;
.
cl g 6l rt
Ss$JCr
r.? i'.
t t +h
2
9
s
ail
d
{{
Jr
"st s ' ! ?
4J
t.i1 ii.
i3<
s
&
a
0c
A
E:
qJ [-l
3/
6-a :l
3
12
19
26
29
+J {,t ce f.}
;")ri3lr$
F*s
Totala
TIl
ta&eO$**aa
tfla$a€
r.4 Gl {iqt
th,
F
@1r")&to
Fl €r3 s{t
n.
.(t
Oif
l, .{
rll
DT G !
s
c. 8
e. 13
22
-
e
g
{rl
SE
et'
2/
to
€.frre'
221
(,c} A
314
214
o
Sapj.ed
a
No.
r.{
c#
&a
d
os
arfl
Fb
do
rErp?
6
.ra
t0€
s cql
.,C
1,3
5.4
10.9
14.0
Soft
.
salur
CoLbie
Lo*gbaeb Vu.
I
et
5. tot
t
I
|
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Ccposits sanpt, ccetaintn eraba fron the North and South aidee of the Co1ubLs River.
The ehell crab had been sorted cut prier to sap1in.
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prcsent regulations
ports in
for
The
Oregon do nog
not reqlflr€
require e6*eils
esapa ports
regulat!.mc of
ln crab
crab pots
The present
of Sragcn
Pot, for.
the
Durpose of
of ellwf,ag
ello,tng €ccar]Gmenl
escapaent of
the nurpolc
o.{ssali
aotall crabs.
$rebo.
ghat escape
posts in
poBa be
that
cscape ports
be required.
requl,r*d"
ln pots
This
merit and
esd the
thr
Tble suggestion
suggestto& has ncrl,t
prlaclp!,*
of eeeapc porgs ls osdoraed b'y che ateff.
vfrtus-l3y
ell
At thc prercnt
tls
of Ghe gear haa eacapc ports of varytr.g eltG. sr tba fl&rrucn
loag ago reellaod
iu r{ar
Some
pep1e have
Sae pcoplc
have suggested
augtGttod
gcas.
Eba vr*[uc of thir
of Ebeac portl.
The naJor probl,em lr
thc taalrtdon
Ts r@ove and replaee tb6e nol trorld be a nrJor .rp@t
to tbe f,trcbemeo sho dtd nog bayc ri,ngo of the propea r!EG.
poscr in
potr.
There
reasons for
fr having
Tbose are
havln6 escape
ln pots.
aac several
lryortant rraasas
s€f,reral,important
€se€pGports
ef tbaaa are;
aale erahll
pstsi
(t)
(1) reducttm
rcducad flghtl,ug
aad (3) aolcctlve
Slnu€s 8o ft.rh"
ere klllled
of handltag nortaltty
If
Some
Socr
ro $gb-lagal ualo tad fc-
and {,aJury to sal.ler
ln tho
crabo emflned
fdohl.ng {,f a buoy brcaLs off erf a pot ood tbr poB 9o*
ehe pot hfls Gscepe port$!
tben ml,y tho lcgal-cf,t.d
craba
and thc gub[egata eccepa t:o brecd and poaoi.blt 6nter tbr tf,rbot7,
[I:
?he erabe that dLe frq
eugrapsffg ehornghlost to tho ftgbernao rcpra3.oB notb{ug
m6re. Ehama ti.ohlag ncortal*ty
gG tbe
pcpu!.atlon,
cscap. portr
ports should
be sr
as
bl,g eccepc
Tbee
vesa!,oneof
hm bi
sboold bc
tbesc are
are nearly
noasly as
as many
nauy versions
ef hov
there
f!,she&€or
tharo are fisbetmen.
gcne indivi4:els
l/2
at least
lcrlt
4-Ll2
Some
feel shae
that tbey
they ahonld
should bc
beat
tsd*vl,e.S;s!.sfca!,
gsell.ost legal
inches
mating;
lnebee in
$n diameter
dleaetea so
legal crabs
erabs could
€ee8pa far
for net{,ng3
that the
tbc smallest
could escape
ro thtt
crlbl.
other
flehcrrerl feel
fcel that
of, a aise
ia retain
r€taLn all
all legal
lcgrl crabs.
@thor fishermen
bc of
s{ce to
tbac they
thcy should
ehotr!,dbe
port studies.
The
tbc shellfish
ttro escape
chellf,lab investigation
lnvc$tfgatfl,os has
baa conducted
efeape port
r8sdltt.
eonduct*d tso
ff.rst
rtwdy shtrtred tbat to roatly
be cffoetivc
(e* soerurld
by thc avoart.
else of crabs rctel,aed) the potr had to f{eh for ag t@ast {8 bosrr"
*hfr
ttse pcrlcd thc avcrage olze l,acroarod vcry gr*dually
?he eeemd ctudy wae derlgnod to decelrel,na the pldth-tcnttb
.
The
thc
Aftar
throngb l&
boure"
rolatlonrhtp
of
ebc crab cerep.ec (a erab goes oug tbe porta stdcnnyr)e aad to dotcrnlar
ths
ucgt off,eetle€ r{ac of cserpc rlng.
tr,cngtb aad wtdth end o regrcrcton
Io al.X, 1r00G crabe ratra eGarurrd f,or
!.tae ealeuletcd.
It ger dctcraloGd fros
:
r
^7tt't'
9.
9.
ghae tbcre
(atopc 0.9999)
bctrccoa
seXa&i,mEhdp
0,9999) between
these
there is
straigbt4ine relationship
(elope
ls a $R,ral,6be-[1ne
tbese data that
wtth
aeicllength.
!.aagfb.
n{.dtil and
of legal
logal eta,
Frow
was also
rllc
Frsn this
$.t wac
atso deternined
detscu{ned that
that aa crab
crsb of
tbtl it
4*3/8 inches.
o
u$dchbaa
of 4.3/8
lacboo.
of 64/4
6*U6inches
lanbcain
