FISHERY RESEARCH
…337
_
year. Observations must be Carried through without fail
'
,
…;from year to year, almost it seems indemtelÿ ; ;for until ‘
_
years are so covered no possible light can be throw'n
the causes of the great natural uctuations of the sh
Supply, of good or bad “ survival years.”
'
.
Research has also shown that it is not sufcient merely
';to‘ study the conditions of the area with which one. is
.ï_f,‘f concerned.
It is necessary to know the sequence of events
jiri other far 'lying regions, for all the waters of the oceans
‘{ glbear an intimate relation one with another in their current
and an alteration in the trend of a Current inone
locahty may have far reaching effects on the conditions
for life in waters many miles away. The sheries .of——tlie
North Sea are inuenced to a large extent by that north—
.
easterly drift of the Gulf Stream
rounding the '
north coast of Scotland, turns soùthwards into the North
-
Sea itself.
That the Gulf Stream is Subject to pulses seems
;';i1—ôW most probable, running one year with full force=and
far into the North Sea, and another year “*
.
weakly It seems that some of these pulsations maybe
rather tidal in nature, for-it has been shown for t«wo»ÿear$
atanyrate that an increased ow of the Gulf Stream_took
_
Place whenthe moon Was at its nearest point to the
!
andthereforeexerting
greatest attraction on“ the earth:
,
_
Thepenods of the moon’s proximity
nodepsrde, occur in eleven and a half yearlÿ Cycles; Suppose,
Jf
therefore, that an increased ow of the Gulf
havea pronoun‘ced effect on the extent and
waitheherrmg sheries in the North Sea,“ and of this thèreaïer
{
here is a deite means of preparmg’he
mdustryfor good or bad“ year long in advance;
Sofar
has outlined the typeofrese&rch
…337
_
year. Observations must be Carried through without fail
'
,
…;from year to year, almost it seems indemtelÿ ; ;for until ‘
_
years are so covered no possible light can be throw'n
the causes of the great natural uctuations of the sh
Supply, of good or bad “ survival years.”
'
.
Research has also shown that it is not sufcient merely
';to‘ study the conditions of the area with which one. is
.ï_f,‘f concerned.
It is necessary to know the sequence of events
jiri other far 'lying regions, for all the waters of the oceans
‘{ glbear an intimate relation one with another in their current
and an alteration in the trend of a Current inone
locahty may have far reaching effects on the conditions
for life in waters many miles away. The sheries .of——tlie
North Sea are inuenced to a large extent by that north—
.
easterly drift of the Gulf Stream
rounding the '
north coast of Scotland, turns soùthwards into the North
-
Sea itself.
That the Gulf Stream is Subject to pulses seems
;';i1—ôW most probable, running one year with full force=and
far into the North Sea, and another year “*
.
weakly It seems that some of these pulsations maybe
rather tidal in nature, for-it has been shown for t«wo»ÿear$
atanyrate that an increased ow of the Gulf Stream_took
_
Place whenthe moon Was at its nearest point to the
!
andthereforeexerting
greatest attraction on“ the earth:
,
_
Thepenods of the moon’s proximity
nodepsrde, occur in eleven and a half yearlÿ Cycles; Suppose,
Jf
therefore, that an increased ow of the Gulf
havea pronoun‘ced effect on the extent and
waitheherrmg sheries in the North Sea,“ and of this thèreaïer
{
here is a deite means of preparmg’he
mdustryfor good or bad“ year long in advance;
Sofar
has outlined the typeofrese&rch