1 the effects of implementing technical conservation measures on small fisheries dependent economies...
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1
The effects of implementing technical
conservation measures on small fisheries dependent
economies
Dominique RommelPharos Fisheries Consultants
Ltd
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Pharos Fisheries Consultants Ltd2EAFE Salerno 2001
OutlineObjectiveMethod and its limitationsBase information on industryShort term: less discards + less landingsSurvival of escaped fishMedium term: landings of bigger fishConclusions
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Pharos Fisheries Consultants Ltd3EAFE Salerno 2001
ObjectiveDevelop a method to Assess and quantify the effects of technical conservation measuresOn catching and processing sectors
over several yearsImmediate negative effectMedium term positive effect
With aid of a case study
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Pharos Fisheries Consultants Ltd4EAFE Salerno 2001
Square mesh panel in cod-end
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Pharos Fisheries Consultants Ltd5EAFE Salerno 2001
Method and Limitations1 scenario:
Square mesh panel in diamond cod-end 90/90 mm
1 case: ShetlandEconomic and financial base dataEstimate of escapees and of lossesEstimate of survival and growth of escapeesEstimate of future landings and profits
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Pharos Fisheries Consultants Ltd6EAFE Salerno 2001
Base dataDemersal Fleet
44 vesselsDiscard of juveniles 40 %Small fish 50 %Accounts: Sample
Processors3 factoriesUnprofitableSmall haddock 51 %
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Pharos Fisheries Consultants Ltd7EAFE Salerno 2001
Short term effectCatches: minus 40 % discards (7,000 t)Landings: minus grade 4 (3,000 t)Results boats: loss of up to £ 95,000
Variation between boats ~ catch composition
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Pharos Fisheries Consultants Ltd8EAFE Salerno 2001
Survival of escaped fish.
year
no. o
f fi
sh
leng
th (
cm)
Wei
ght
(g)
grad
e
natu
ral
mor
tali
ty
fish
ing
m
orta
lity
wei
ght
caug
ht (
kg)
Val
ue (
£)
1 8,648,941 31.5 270 4 864,894 864,894 233,500 91,065
2 6,919,153 35.4 375 3 691,915 1,383,831 519,530 285,742
3 4,843,407 38.6 479 3 484,341 968,681 464,160 255,288
4 3,390,385 41.2 576 3 339,039 678,077 391,009 215,055
5 2,373,270 43.3 665 2 237,327 949,308 631,609 492,655
6 1,186,635 45.1 744 2 118,663 474,654 353,221 275,512
.
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Pharos Fisheries Consultants Ltd9EAFE Salerno 2001
Medium term landingsSubsequent landings increasePositive balance year 4ex haddock discards caught ex grade 4 caught total gain turnover difference
year x 1,000 £ x 1,000 £ x 1,000 £ post TCM 19970 10,300 -
1 (TCM) - 91 91 8,988 1,312- 2 296 377 673 9,570 730- 3 902 632 1,534 10,431 131 4 1,782 847 2,629 11,526 1,226 5 2,536 1,340 3,876 12,773 2,473 6 4,284 1,616 5,900 14,797 4,497
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Pharos Fisheries Consultants Ltd10EAFE Salerno 2001
ConclusionsFleet: short term losses importantFleet: medium term break even 4 yearsProcessors: immediate effect catastrophicAccuracy of input variables to be improved