'
EFFECT OF TRAWLING ON
__
441
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‘ _
_«
like Alçz'0pe and Tov7'lopteris, the latter being one of the most
‘
striking features of the t0w-nets, both inshore and “offshore,
'
and frequently in great abundance.
Moreover, like the masses
of Sagitta, it is eaten by many food—shes, and is another
'
evidence that the question is viewed only from one side, when
:
all the wealth of the pelagic fauna and ora, especially the
_
’
multitudes that are independent of any particular inshore area,
or of any land at all, is overlooked.
_
_
.
_
'
'
"
In 1884, after a careful and extensive inquiry, the e‘ectof
'
'
the trawl on the crab—tribe or crustace'ans was given as follows :_
‘Like the star—shes, ”the crustaceans are evidently damaged
‘
less by the eEfects of the trawl thanby the feet of the menin
' —
gathering the shes.’…‘ Many hermit-crabs, sea—acorns (BaZanÏ),
,
and Galatheæ are returned to the sea alive;
N 0 injury to soft ‘
crabs was observed, and even s0— slender a form as the northern
stone—crab, besidés others, have been brought on deck in good
The most prominent form referred to
the“
Norway lobster, which‘occurs in— great numbers off the1Forth,“
and a caution was given that care should-be taken to returngit.
to the Sea alive, for it is chiey injured on deck, in selecting
the shes.‘
This is a very important element in the diet—of,
the _cod in the neighbourhood, and every measure should
be
…
taken for its preservation.
The muscular parts of the abdomen
“form excellent food, but they are seldom brought to market. f _
,—After hatching, under the abdomen of the female, the young of
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_
this lobster is pelagic, and is_ often found in masses amongst.
'
jelly—shes off the Isle 'of May, forming a rich nourishment for -
the smaller shes.
Not a single lobster was
in the,
trawl, and only from the inshore‘_,grOunds,
;Of Abe1deen,
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f Were & few edible— crabs obtained-: Theoond1ü@n 0fth610b5tel
and crab—shees near St
improved within récent yeæSbuthowfæthŒlsdu6m’he
security from molæt_aüôn whœhthecmbùapsnowheand
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