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Hatchery hazards

In the summer 1992 edition
“of Frowt -- the official maga-
zine of America’s leading non-
profit cold water fisheries con-
servation organization, Trout
Unlimited -- biologist Ray. J.
-White has written a powerful
and. troubling piece question-
ding the whole notion of
“hatcheries.

White convincingly argues
that | a. fish .created. or grown
—with the help of humans quick-
ly adapts to its unnatural ‘sur-

J -roundings and is not only ill-
~ equipped ‘for the harsh en-

vironment. it will - encounter
once released, but will have a
- deleicrious effect upon its wild
_telationis,

“Ninety- five percent of each -

“generation of wild fi sh: die
within a. year of egg fertiliza-
‘tion, |.

“The five percent that pass the
“test of natural selection are su-

- perbly’ adapted not only to their
fatal -stréams or lakes and.”

pecific -arcas in ‘those water

“bodies, but also to the un-
athomably complex dynamics *

“each ecosystein.,
; ‘Citing the eminent cancer re-

+ searcher. Van R, Potter, White
‘contends that-of all the things

-we need to: know’ about biol-
“ogy, adaptation ‘is . the
~ phenonicnon that we can’ 1 least
_ afford to ignore, and the one

“scientists must use to bring all
| -the: other facets of biological
; Kiowledge into focus,

LItis becoming clear that fish
~ born wild and: free are much
“more -physiologically and be-
-haviourally. attuned lo. the

‘.tigours of their. natural .sur-
‘T+ roundings than fish raised in
simplified; arlificial environs
‘of a‘hatchery by workers who |
{tend to prefer docile fish.

. “AS a. Simple analogue, con-
"sider how well a dachshund or

“a pet.store canary would fare
in’ the. great outdoors. A feral
eat mnay survive in the wild but
only.as a maladjusted individu-
ale:

. White ‘highlights. the . in-
” gidious ‘effects of playing. fast

“and loose with. geuc pools:

. “Population — geneticists,’’ he
“point lo the substantial
‘variation of genctic traits
within healthy populations’ and

fk
SHG 5 dba

The Skeena
Angler
by Rob Brown ,

the importance of-not altering
itin 4 non-natural way, such as
by. sclecting part of the varia-
tion and breeding more of it
than would occur in the wild.”’

“This is exactly what happens
in hatcherics.

When it comes to fish that

' spend part of their life in fresh

water: and part at sea, the
altered genetic ‘makeup of
hatchery fish’‘can be passed to

| | Closely related wild fish by in-
terbreeding leading to the dilu-

tion of favourable traits,
Stocked fish, says White, are
known lo eat large numbers of
wild fish and to reduce the
space available ‘to them.
In some cases fisheries man-

agers have decided to plant ex-

Stocked fish are known
to eat large quantities of
wild fish and reduce the

. Space available to them.

otic, hatchcry-reated species to
the detriment of existing native
species.

In many U.S. waters, brown
trout brought from Europe in
barrels have taken over the
waters of the indigenous brook
trout.

In numerous western. rivers,
Rainbows have hybridized na-.
tive cutthroat populations out
of existence.

For obvious reasons it is

_ genctically unsound to use

hatchery bred “spawners for
brood stock. =~
In their zeal: to: “avoid ‘this

’ hatchery crews: often go up-

wild
further

stream . to
spawntels,

capture
thereby. ~

. reducing already _ depressed.

stocks:

White also draws attention to

the effect, the fists be-

wah abe teak ole oth

a ore

’ Jarge

haviour of hatchery fish has
upon their wild brothers.

Newly-released hatchery sal-
monids wander excessively
and needlessly attack wild fish
and each other, thereby wast-,
ing the energy of both.

Similarly, the seaward surge
of legions . of confused,
maladapted fish may lead to a
Pied Piper. effect as wild,
anadromous fish ate persuaded
to depart their home streams
too soon.

Hatcheries are extremely vul-
nerable to disease. Epidemics
thrive in unnatural population
densities several hundred times
those ‘existing in natural sur-
roundings.

In Norway entire populations

of Atlantic salmon have been

all but wiped out by disease in-
troduced via hatchery reared
vectors.’

According to White, stacking
concentrations of
hatchery fish can attract cor-:
respondingly large numbers of
predators, again to the dis-
advantage of wild stacks...

Hatcheries lead to an effect
White calls “harvest pump-—
priming” by initially putting”

. more fish in sivers and lakes

which, in turn, attracts more

‘fishermen and raises their ex-
pectations. The ultimate result

is more pressure. on © wild
stocks. ;
Hatcheries are often built to
mitigate for habitat damage
and poor management.

Mitigation, as Roderick

Haig-Brown pointed out long

ago, is a weasel word, ;

By relying on artificial
propagation, we avoid tackling
difficult problems of resource |
management that urgently Te-
quire solutions.

We also divert funds which:.

could be much better spent
realizing these ends.

tS

“Speedway —

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warns
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gsuaaeensu
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male
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Peete Se eee ETE)

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rede ae de er eB

. Hobby: Jules LaFrance (on.

-; Heat: Jean Pearson G6).

_ JUNE 20 RESULTS
_ SPORTSMAN TROPHY

Dash: Albert Weber (6),
Heat: Albert Weber (6)

. Main: Ernic Perkins (5)
_ AHOBBY TROPHY

Dash: Don Pearson (36)
Heat; Brent McCarron (81)
Main: Brent McCarron (81)
B HOBBY TROPHY
Dash: Pat Miles (18)
"Heat: Chad Sallenback (56)
Main: Dan Thickett (97)

A STREET TROPHY .
Dash: Dave Bruce (556)
Heat; Keith Marshall (777)
Main: Gord Klassen (776)

_ B STREET TROPHY

Dash: Major Craig (777)
Heat: Major Craig (777)
Main: Major Craig (777)

 C HOBBY

Heat: Jean Pearson )36)

_ Main: Jean Pearson (36)

C STREET ’
Heat: Elizabeth Cloakley (776)

Main: Elizabeth Cloakley (776)

JUNE 21. RESULTS

SPORTSMAN TROPHY ©
Dash: Ron Harris (669)

Heat: Albert Weber (6)
Main; Dave Pilkington (4)

A HOBBY 1 ROPHY:
Dash: Blaine Kluss (56)
Heat: Blaine Kluss (56)
Main: Jules LaFrance. on’

- B HOBBY TROPHY

Dash: Pat Miles (18) °

’ Heat: Chad Sallenback (56)
Main: Dan Thickett 7)

A STREET TROPHY»
Dash: Dave Reinhardt (556):
‘Heat; Gord Klassen (776):
Main: Gord Klassen (776)
B STREET TROPHY
Dasht Keith Marshall (777) .

_., Heat: Keith Marshall (777)
Main: Keith Marshall.(777)

Cc HOBBY ;

Malin: Jean Pearson (36)
C STREET |

Heat: Blizabeth Cloakiey 76), ae
Maln: Blizabeth Closkley (776) 3

JAMBOREE »

Men's Slow Pitch

June 22
SKB Wreckers 14
Inn of the West ae

Rudon - 42
Back Eddy Pub 5

nS * Dan Thickett =.
"56 Chad Sallenback - 244
545° Mike Lemky 223
i” “ CoriLemky: ° 215
~ 36 Don Pearson 193

7 '. Joe Borovec- 53

97. .JylesLafrance, 363
ogee “Blaine Kluss) «337

Warten Lindsay: 325
282

66  —~- Herb Quast 187
© SL -° -BrentMcCarron’ 179 -
~ 18. PatMiles. 166 -

114° Tim Fleming’ «144 *

*.114 ~~ Paul Fleming ‘123.

». 92)" -: Gary McCarthy - 114
. 64 Todd Taylor = 4

- | 64 “Dave Hislop “38
ay? ao Bill Evans" “37
SAL WillSimithh. =. 31
+ 22. Terry Eliot - 28
S, 936... Bici Sahota - 21.

we 936. ~ Keith Marshall 18°

June 24
Terrace Paving 12 Rudon | 13 oe
Custom Cycle 12 ~=Back Eddy Pub... 920
Team WL T° GBL
SKB Molson Wreckers 13-008" 0 0
Inn of the West “9 4-0 «4
Terrace Custom Cycle 6 6 0 65
Rudon 6° 7° 90 7
Back Eddy Pub 3.11 0 10.5
Terrace Paving 1 12.0 12
STANDINGS ’ STREET.
Car —s—s—‘esSC*@ r'iver=séPts. 777 Major Craig 331
SPORTSMAN 556 Dave Reinhardt 326
5 Erie Perkins 480 776° GordKlassen 316
‘6 Albert Weber = 3340 777—s Keith Marshall = 296
44 - David Pilkington 274 956 “DaveBruce = 275
93 EdJobnson § 258 650° ~—Brian Bailey 260
- 669 Ron Harris _ 244 650 Charlie Ellis 199
~ 28 Ken Nigh 80 890 RodKerr - 124
16 Wes Patterson 56 7176 Brent Robertson 108
000 . Les Reinhardt 87

009 Lance Albert 68
000 Willy DeHoog 63
7 Don Anderson 55
009 David Almgren § 53
333 AllanFaweett. 52

345. Howard O’Brien 41
ve Wi Richard Devost 33

333 Wade Evans. - = 26

552 —_ Bernie Drees 16

C CLASS HOBBY

36 - Jean Pearson 300
114. Dawn Tomas 214

66 ~~ Leslie Quast 200

18 Lea Lemky 102

97 . Cherise Lynch 74

56 Patty Johrison 359
54 Janice Jacques 22
97 > -. Rockzann Taylor 18
C CLASS STREET

776. ; Elizabeth Cloakley 308
556° Shelley Reinhardt 176

000 “Leslie Quast 77

To get your results o on ‘SCOREBOARD drop them in

‘atthe office at 4647 Lazelle, phone Malcolm at 638-
7283 or fax them to 638-8432.

; ‘This space is all yours!)

a Street: i Major Cniig (7 —

watt

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Fishing

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_ will hold their first Fishing Derby. The largest fish weighed in at the store ©.

by 2:30. p.m. on Saturday, July 4 will WIN a Penn Levelmatic Casting .
Rod & Reel, valued at $309.00. ae |
There also will be a FREE DRAW to win an Bi, foot rod. valized at. $i a0: ‘just: of
enter at the store. Of course there are many. other prizes available. including... §
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5008 AGAR AVE.

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OPEN MON - SUN
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vpn gfTH maha

anor

De bay ee tg geese aha s charm oe tag pecker