Food in Abmzdanæ
47
industry could have called some 30,000 whales annually if the stocks
had been properly managed. This, catch would produœa third of a
million tons of oil and a quarter of a million tons of otherproducts,
yielding in all some £50 million per year.
.
«
,
One of the greatest factors contributingto over—exploitation ofthe
Antarctic stocks of whales was the tremendous capitalinvestment
involved in providing factory ships and their attendant eets of a
dozen or so catchers. One
imagine…the…chagrin of …]apan, who
_
bought up the whaling eets of the UK and the Netherlands
together with their share of the annual quota, whetighter restrictions
on whaling were advised. InCreasès in numberand sizes of shing
ve‘ssels has not been restricted to whaling; earlier, mention was made
of the greater mechanization of the sheries with freezer and factory
trawlers and the like. What effect will this growing shing=powcr
have on stocks? How much further,if at all, can ther catches be
increased? Are any new regulatory measures needed
:thisjstagc?
These are the kinds of questionsover which shery scientists are nowvery concerned—and one can see that they do ; not dilfer
from questions which went answered but
by the Whaling
industry.
_
,
—;
;
‘
Particular attention is being paid:to the value of preventing small
sh from being caught, by increasing the size of mesh uséd:in nets.
Just how such a
restrait could improve shery has been
well demonstrated in British »stùdiescfa small shefy.:f0r
Within twenty‘
the iTyne estuary off the north—east coast of
England. Tagging experiments have shown that
a
fairly well dened stock—few of the
outside the groùnds; Tagging has also shown
_
of the population are Caught within ayear.gCensuses
these sh reveal that about 70 per cent of
Ï!‘QŒ
the population each year. Therefore death
account for not more than vone—sevethæof this?
,
six—sevenths ÿ from shing. xln other— words,
y'per
cent of the cod…living in the Tyne>areà 53176
soo'er or later.
this information the benets Which accrue
small sh
be. calculated
the Weight cpf—:'thé Small
sh”releaS€d
the?85îper<œnt(lessthe” fewwhiçh
_
Will
attaining
_
Because these;Tÿn“e”cOd are caught:Whenvery;8‘mall,
,
very qüickl'y:t0 a good size, the. shèry
ÏhWelestïinatèd;that
47
industry could have called some 30,000 whales annually if the stocks
had been properly managed. This, catch would produœa third of a
million tons of oil and a quarter of a million tons of otherproducts,
yielding in all some £50 million per year.
.
«
,
One of the greatest factors contributingto over—exploitation ofthe
Antarctic stocks of whales was the tremendous capitalinvestment
involved in providing factory ships and their attendant eets of a
dozen or so catchers. One
imagine…the…chagrin of …]apan, who
_
bought up the whaling eets of the UK and the Netherlands
together with their share of the annual quota, whetighter restrictions
on whaling were advised. InCreasès in numberand sizes of shing
ve‘ssels has not been restricted to whaling; earlier, mention was made
of the greater mechanization of the sheries with freezer and factory
trawlers and the like. What effect will this growing shing=powcr
have on stocks? How much further,if at all, can ther catches be
increased? Are any new regulatory measures needed
:thisjstagc?
These are the kinds of questionsover which shery scientists are nowvery concerned—and one can see that they do ; not dilfer
from questions which went answered but
by the Whaling
industry.
_
,
—;
;
‘
Particular attention is being paid:to the value of preventing small
sh from being caught, by increasing the size of mesh uséd:in nets.
Just how such a
restrait could improve shery has been
well demonstrated in British »stùdiescfa small shefy.:f0r
Within twenty‘
the iTyne estuary off the north—east coast of
England. Tagging experiments have shown that
a
fairly well dened stock—few of the
outside the groùnds; Tagging has also shown
_
of the population are Caught within ayear.gCensuses
these sh reveal that about 70 per cent of
Ï!‘QŒ
the population each year. Therefore death
account for not more than vone—sevethæof this?
,
six—sevenths ÿ from shing. xln other— words,
y'per
cent of the cod…living in the Tyne>areà 53176
soo'er or later.
this information the benets Which accrue
small sh
be. calculated
the Weight cpf—:'thé Small
sh”releaS€d
the?85îper<œnt(lessthe” fewwhiçh
_
Will
attaining
_
Because these;Tÿn“e”cOd are caught:Whenvery;8‘mall,
,
very qüickl'y:t0 a good size, the. shèry
ÏhWelestïinatèd;that