.
AND DECENNIAL‘ SUMMARY.
181
manner
altered by the closure. Further, While there is a
tendency to an increase in the warmer months, the differeh—
tiation of the colder from the warmer months is less pronounced
in this group than in the bony shes. The numbers, however,
were so small” as to make it hazard0us to rely on
,
notion that young skate probably frequent rocky ground
are thus free from injury by the trawl is unlikely. They occur“ "
on the smooth ground where their parents live, as in the Case,
of the thornback in St Andrews Bay.
'
Ü -
"
Special attention was drawn in "the TraWling Report ofî
1884: to the necessity for observing the increase in the
'
inshore at shes during the experiments after closure of»a
It was
commonlÿ believéd’ and generally stated by
,
shermen that the at shes
in open
,lo‘ays had been reduced in size by trawling, that is,,all the
,
.
larger forms hadbeen swept off.—‘ There were reasons,
'
_‘
in 18843 for desiring furtherinfonhation on this point,
hence
_,
it was» one to which the attention of the Fishery Board 1n
Ca1‘rying out the experiments was
;—O_he_of
-
these reasons was that in the -dÏeeper offshore water only adult
plaice_had as a rule been found, whereas in
-
similar regions an immense number of plaice of small size
Even at that time (18841) an attempt was made «to
locate the several sizes of plaice_ and other at shes by
trawling in parallel lines from the region beyond low—water
-
outward; The remarkable unif0rmity of the saleable‘
(7—13 inches) pr‘oeured in suCh a bay as
_
,
,,
Î
'
St Andrews was another fact which suggefst‘e‘d
the ,‘t1né: 'eÏX—
_planation, Viz., that the eggs, larfval and * post—larval
ï
song‘ht the shore, and that the “Older plaice as ”they grew lange
_
,
soughtthe deeper waters Year after year
since that dateand
the closure the same size of saleable plaies 0m St And1ewsBay
,
î…has Junilbrmly been obtained, Showing that the oug1nalwew
correct, and that little alteratioh of any note had 000t1116d
-‘êon the interference of man by; the“ closuré.
tIn
în— the-14h11AnnualRepmtmwmd
AND DECENNIAL‘ SUMMARY.
181
manner
altered by the closure. Further, While there is a
tendency to an increase in the warmer months, the differeh—
tiation of the colder from the warmer months is less pronounced
in this group than in the bony shes. The numbers, however,
were so small” as to make it hazard0us to rely on
,
notion that young skate probably frequent rocky ground
are thus free from injury by the trawl is unlikely. They occur“ "
on the smooth ground where their parents live, as in the Case,
of the thornback in St Andrews Bay.
'
Ü -
"
Special attention was drawn in "the TraWling Report ofî
1884: to the necessity for observing the increase in the
'
inshore at shes during the experiments after closure of»a
It was
commonlÿ believéd’ and generally stated by
,
shermen that the at shes
in open
,lo‘ays had been reduced in size by trawling, that is,,all the
,
.
larger forms hadbeen swept off.—‘ There were reasons,
'
_‘
in 18843 for desiring furtherinfonhation on this point,
hence
_,
it was» one to which the attention of the Fishery Board 1n
Ca1‘rying out the experiments was
;—O_he_of
-
these reasons was that in the -dÏeeper offshore water only adult
plaice_had as a rule been found, whereas in
-
similar regions an immense number of plaice of small size
Even at that time (18841) an attempt was made «to
locate the several sizes of plaice_ and other at shes by
trawling in parallel lines from the region beyond low—water
-
outward; The remarkable unif0rmity of the saleable‘
(7—13 inches) pr‘oeured in suCh a bay as
_
,
,,
Î
'
St Andrews was another fact which suggefst‘e‘d
the ,‘t1né: 'eÏX—
_planation, Viz., that the eggs, larfval and * post—larval
ï
song‘ht the shore, and that the “Older plaice as ”they grew lange
_
,
soughtthe deeper waters Year after year
since that dateand
the closure the same size of saleable plaies 0m St And1ewsBay
,
î…has Junilbrmly been obtained, Showing that the oug1nalwew
correct, and that little alteratioh of any note had 000t1116d
-‘êon the interference of man by; the“ closuré.
tIn
în— the-14h11AnnualRepmtmwmd