‘
200
IN“VESTIGATIONS'IN MORAY FRITH, 1897.
»
—
r
the captures of the dab in the Moray Frith presented the usual
'
_
variations attendant on sea—shing, and in no sense can it be
said that the closure of the area beneted this sh or altered
the arrangements of nature.
.
-
Plaice followed with an average of 115 per haul, or 15 over
that of the previous year.
Only 75 were unsaleable, that is,
_
under 7 inches, the majority (2459) being between 7 and 11
inches,
191 were between 12 and 18 inches, only,34a
being beyond 19 inches. This average, though higher than the
'
…
previous year, held a median position in the series, ve being
below it, the minimum being 14 in 1888, and ve above it, the
maximum
being about four times as great, and occurring
'
in 1892, when the work was conned to the productive month
of September.
The record of the plaice, after even greater
irregularities than the dab, remained in 1897 .only half What it
::
was in 1887, and though during the rst ve years the average
,
was only 40 as oontrasted with an average of 73 in the last six
years, the conditions under which the work was accomplished
_in the two periods were divergent. Thus while no colder
’
months are present in the rst period, May and June twice
In the second period they occur only once, while
October is entered thrice
rI‘he-condition of this species, there—_
fore, leads to the same conclusions as in the dab.
_'
,
-
The
of the haddook throughout the eleven year—s
-
shows great variability, since the highest average (53) occurs—in
1887, the rst yearOf the experiments, the last year (1897)
having only 3, the same number likewise representing the
,
Captures for 1891, the last of the_rst period.
The average
for
‘
.
'_
the years 1887—1891 is
and that for the years 1892_—,—1897
_
(six years) being 11, or 3 less.
The absence of similarity in the
months, however, renders comparison uncertain. ' Moreover,sinOe'f,
even a more marked change is present in these
gurnard, it cannot be saidthat the condition—of the haddockls
peculiar;
The " averagefOr the
years in the
,
period‘itis 12 thatistc say;â moreäthanithc
casefothehaddock. In1887t1œave1ageforthegmnædwæ‘%®
200
IN“VESTIGATIONS'IN MORAY FRITH, 1897.
»
—
r
the captures of the dab in the Moray Frith presented the usual
'
_
variations attendant on sea—shing, and in no sense can it be
said that the closure of the area beneted this sh or altered
the arrangements of nature.
.
-
Plaice followed with an average of 115 per haul, or 15 over
that of the previous year.
Only 75 were unsaleable, that is,
_
under 7 inches, the majority (2459) being between 7 and 11
inches,
191 were between 12 and 18 inches, only,34a
being beyond 19 inches. This average, though higher than the
'
…
previous year, held a median position in the series, ve being
below it, the minimum being 14 in 1888, and ve above it, the
maximum
being about four times as great, and occurring
'
in 1892, when the work was conned to the productive month
of September.
The record of the plaice, after even greater
irregularities than the dab, remained in 1897 .only half What it
::
was in 1887, and though during the rst ve years the average
,
was only 40 as oontrasted with an average of 73 in the last six
years, the conditions under which the work was accomplished
_in the two periods were divergent. Thus while no colder
’
months are present in the rst period, May and June twice
In the second period they occur only once, while
October is entered thrice
rI‘he-condition of this species, there—_
fore, leads to the same conclusions as in the dab.
_'
,
-
The
of the haddook throughout the eleven year—s
-
shows great variability, since the highest average (53) occurs—in
1887, the rst yearOf the experiments, the last year (1897)
having only 3, the same number likewise representing the
,
Captures for 1891, the last of the_rst period.
The average
for
‘
.
'_
the years 1887—1891 is
and that for the years 1892_—,—1897
_
(six years) being 11, or 3 less.
The absence of similarity in the
months, however, renders comparison uncertain. ' Moreover,sinOe'f,
even a more marked change is present in these
gurnard, it cannot be saidthat the condition—of the haddockls
peculiar;
The " averagefOr the
years in the
,
period‘itis 12 thatistc say;â moreäthanithc
casefothehaddock. In1887t1œave1ageforthegmnædwæ‘%®