grace.
Wo got 100 povrcont survival for 27 cays.
I
he
ar
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wy,
(3
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ts
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73
t3
tn
i
Foo the bluozili, wa vere aoto t:
These tasts
Cc
wore not run as long as tho othors end maybe 14 is a little too
-
2
ty
ot
5
ce
We
:
was
the
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ie
ho
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2
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uz
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cs
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m4
te
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wo
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pom
ve
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might
cxosect,
tha pin
porch
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7)
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tonvevatusve,
uy less and they are evolution-visc, adapted more to high tenpsraturcs,
This cumerinuont vas run in Tenas eat 27.7.
We got 109
percent survival for & duys and SO psreent survival for 17 days.
At 39.5, wo get 160 vercent survival
for 5 days, and 90
1.
ik
Q
Oo
f
a)
ity
é}
b°
percent for 1S days, Showine tat it was OTS sonsitive than the
wade which
gy,
—
4S
eh
ness
~
sly a oF
can
2
test
ve did,
whovein
wea
took
fish
fron
°
°
a given temneraturo and then suddeniy vaised it to a much higher
temperature, shoved that acclaimestion will alter the flizht of
the temperatuzo shock that 2 fish will stand,
This is in aceorc-
ance with the work of Tryo and Duceroff in this relationship.
to the one wheres we shocked
tenperature,
gs
wf
‘4
3
&
‘
keep them at the high shoc
cr
The third type of tcst we did was to shock them and then
3, and this was
similar
them and returned them to the oviginsn
Those czuparimanis are, of course, relativoly rougn
experinents, bui thoy cdo emphasize the magnituds of the problen,
5
this temperature problien is one of the sreatest ones thet face
tte
us in our rivers with our expandint, shall ve say, use of ateon
enersy,.
°°
a