THE
SE°A FISHERIES
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279
*presumably cannot see this wall of netting in the dark
and rush straight into it.
Great quàntities thus become
enmeshed and strangled.
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The vessel employed in thiskind of shing is known as a
“
drifter,” and as with the trawlersmany of these are
now steam_ driven (Plate 97).- The drifteris smaller than
the trawler, being about ninety feet long, and having a
speed of about nine and a half knots.
The ships are' not
usually tted with large traWlingwinàhes, but, carry steam
capstans on the forward deck, _and.the foremast is con—' '
structed so that it may be ’lowered when the vessel _is
shing.
The nets are generally thirty—four yards long ‘and
thirteen yards deep, and. they are struhg together so that
they mayform a ,wal_l,of netting as much as three miles
in length.
The upper edgeof the net is buoyed with corks,
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while the lower edge1is generally slightly weighted with
lead.
Very often the net is not shed actually at the
surface but a few fathoms down ;
it is then attached-at
inter—vais by short ropes to buoys or oats on the surface.
When great lengths of net are used, asby the steam drifters, . ‘
a strong foot:rope isattached at, intervals by sh0rt lengths
to the bottom of the net.
When this r0pe is hauled on,
it takes much of the strain of the heavy nets which would
otherwise tear under the weight of a large catch.
On
smaller beats, however, the foot—mp6 may be disperised with.
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At about two hours before dark the shermen. start to
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shoot their nets, and this they do across the tide. .
When thé,“- Complete: lèngth_of‘ n‘etting is 'out, the ship
lieswith one __end attached to it anddrifts for.several hours
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the {ide (Plate too), At about dawn; or even _sooner,
the nets are
over the side
steam power over
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special rollers,
shaken Out of the:mèShes
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as _the many yards Of net are piled down into the hold
(Plate 98).
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