1"6
MAN‘S INFLUENCE ON HIGHER CRUSTACEANS,
_
on
the beach __in such numbers that it appears to be strewn
with long
of chaff.
Only in the Channel Islands, as
_
”
at Jersey, are the members of this group (M3/Sidæ) captured
:
by ne nets in masses by men in boats, to be utilized as
_
ground-bait in rod—shing for
_‘
Besides these swimming (pelagic) forms the higher crusta—
,
‘
_
inhabiting the bottom, such as the shrimps, prawns, edible
_
and shore—crabs, the hermit—crabs and lobsters, continuallysend
“
up a series of larvæ to join the
multitudes, and
;
'
at a later and larger stage they again pass to the bottom, thus - —
giving the shes a double opportunity, the smaller seizing'
:
them on their upward journey and in their pelagic stage,
the older and larger as they
The circulation of :
such” larval and post=larval crustaceahs in the ocean is thus
,
an important” factor in the food “of other marine animals.
…
With regard to the edible crustaceans it' cannot be- said
that man has yet made a notable reduction on the shrimps and —'
prawns so largely captured on many of our shores for
Where they formerly occurred in great numbers they still
prevail; where they are fewer, and where no diminution has
been caused by man, they. remain as before, without any
'
apparent increase.”
.
=
-
It is
with the large slow—growing lobsters and ‘
Ïcdible
the numbers of the former, especially in our ,
oWn country and on the shores of Canada, having
signs of diminution during recent years, from the îexertions
made to capture them f0r food. The lobster inits adult con—
-’
dition is chieij an inshore,_form, and thus is easily reached by
the,.instruments for capture ; while its slowly developing
abdomen Of the female nearly a year,
many r1sks arrespecve of the capture of the adult E is a
1nhtwhh ready yields
adverse forces, though;
1ts
but as the adults
MAN‘S INFLUENCE ON HIGHER CRUSTACEANS,
_
on
the beach __in such numbers that it appears to be strewn
with long
of chaff.
Only in the Channel Islands, as
_
”
at Jersey, are the members of this group (M3/Sidæ) captured
:
by ne nets in masses by men in boats, to be utilized as
_
ground-bait in rod—shing for
_‘
Besides these swimming (pelagic) forms the higher crusta—
,
‘
_
inhabiting the bottom, such as the shrimps, prawns, edible
_
and shore—crabs, the hermit—crabs and lobsters, continuallysend
“
up a series of larvæ to join the
multitudes, and
;
'
at a later and larger stage they again pass to the bottom, thus - —
giving the shes a double opportunity, the smaller seizing'
:
them on their upward journey and in their pelagic stage,
the older and larger as they
The circulation of :
such” larval and post=larval crustaceahs in the ocean is thus
,
an important” factor in the food “of other marine animals.
…
With regard to the edible crustaceans it' cannot be- said
that man has yet made a notable reduction on the shrimps and —'
prawns so largely captured on many of our shores for
Where they formerly occurred in great numbers they still
prevail; where they are fewer, and where no diminution has
been caused by man, they. remain as before, without any
'
apparent increase.”
.
=
-
It is
with the large slow—growing lobsters and ‘
Ïcdible
the numbers of the former, especially in our ,
oWn country and on the shores of Canada, having
signs of diminution during recent years, from the îexertions
made to capture them f0r food. The lobster inits adult con—
-’
dition is chieij an inshore,_form, and thus is easily reached by
the,.instruments for capture ; while its slowly developing
abdomen Of the female nearly a year,
many r1sks arrespecve of the capture of the adult E is a
1nhtwhh ready yields
adverse forces, though;
1ts
but as the adults