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THROUGH'F ISHERS’ 'KNOWLEDGE'AND' 'PARTIC IPATION' IN 'SC IENTIF IC 'DATA'COLLECTION'
Describing*the*world’s*biggest*shark*fishery**
Vane s s a & F & J a i t e h a , b , * C a r o l *Wa r r e n b , * N e i l * R * L o n e r a g a n a *a C e n t r e * f o r * F i s h , * F i s h e r i e s * a n d * A q u a t i c * E c o s y s t e m s * R e s e a r c h *
b A s i a * R e s e a r c h * C e n t r e **
MURDOCH &UN I V ERS I T Y & P ERTH , &WESTERN &AUSTRAL IA &
Indonesia’s*shark*fishery*
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Indonesia*and*the*shark*fin*trade*
Biggest'shark'fishery'in'the'world'66%'species'of'conserva9on'concern'
Full'geographic'extent'of'fishery'unknown''
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Java&
Bali&
Australia&
Lombok&
Indonesia*and*the*shark*fin*trade*
No'catch/effort'data'from'Maluku,'Papua'and'NTT''
Shark'fin'='op9mal'product'for'remote'communi9es''
*******************************[email protected]&
Java&
Bali&
Australia&
Lombok&NTT&
Maluku&
Papua&
Challenges*for*fisheries*scientists*
Limited'capacity'to'manage'shark'fisheries'DraI'Na9onal'Plan'of'Ac9on'(2010)''
“Problems'with'species'ID,'data'collec9on”'
Cannot'quan9fy'impact'on'shark'popula9ons'
Sharks'not'landed,'catches'not'reported'
Low'research'effort'Many'livelihoods'at'risk''
Conserva9on'not'a'priority'
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Challenges*for*fishers*
Closures'and'restric9ons'to'fishing'grounds'Declining'fin'prices''Declining'catches,'smaller'sharks'Changes'in'fishing'gear'Increasing'living'costs''Increasing'debt''
Declining*catches*+*fin*prices*
Increasing*debt*
Increased*fishing*effort*
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Economic*gain*vs*Ecological*loss*
“Why'would'people'refrain'from'the'exploita9on'of'marine'species'for'their'own'socioWeconomic'needs'in'
favour'of'biodiversity'conserva9on?”'(Visser,'2004)'
Source:*Visser,*L.*E.*(Ed)*2004.*Challenging*Coasts.Transdisciplinary*Excursions*into*Integrated*Coastal*Zone*Development.**Amsterdam*University*Press**
Management'recommenda9ons'must'account'for'fishers’'high'dependence'on'livelihoods'and'limita9ons'on'enforcement'*
Fishers’*data*
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Involving*fishers*in*data*collection*
Biological'and'sociological'methods'Dynamics'of'the'fishery'Significance'of'livelihoods''Ecological'and'economic'changes'
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Case*study*locations*
Pepela&
Kupang*
Dobo&
&&Osi&
Ambon*
Darwin*
M&Nets&
MNets&&MLonglines&(bottom/&pelagic)&
MLonglines&(b/p)& Australia*
Data*collection*at*sea*
Data*summary*
30'fishers'45'fishing'trips'371'fishing'days'3245'sharks'caught''
1905'sharks'measured'(59%)'31'species'+'8'taxa'Top'4'species:'
Shovelnose'rays'Grey'reefs'&'all'black9ps'Sandbar'sharks'Hammerheads'
Catch*composition*by*gear*
Fishers*that*used*nets:*4&(caught*41%*of*measured*sharks)*Fishers*that*used*longlines:*26&
Catch*composition*by*case*study*(Top*10)*
Species
250
200
150-
100-
(J) 50 -
~ 0 ro 2so ..c (J) 200 -
(5150
(i; 100 "
.c 50 -
E o::J 2 2so·
200 ·
150-
100-
50
-
0 ~.
Fisher*knowledge*&*perceptions*
On*changes*in*fishing*grounds*
Interviewer:*Where*did*you*fish*for*sharks*when*you*first*went*fishing?*Fisher:*The*first*time*I*went*fishing,*I*went*to*Australia,*to*Broome*there.**I:*And*now,*do*you*still*go*there?**
F:*Oy!*We*can’t*do*that*anymore,**that*is*not*possible*anymore.*Now*if*you*went*there,*your*boat*would*probably*be*burnt.**
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On*the*most*valuable*species*he*caught*on*his*last*trip:**F:*The*most*valuable*one,*that’s*bull*shark.**I:*How*much*do*you*get*for*one*kilogram?**
F:*We*used*to*get*1.8,*1.9*million*Rupiah*(~*$170b180).*Now*we*only*get*about*600,000*(~*$55).***I:*So*the*price*has*dropped*three*times.***F:*Yes.*So*us*fishers*are*doing*it*tough*if*we*want*to*keep*doing*this*job.***
©*Steve*Lindfield*©*Steve*Lindfield*
On*life*as*a*shark*fisher*in*2013*
F:*So*for*us*fishers*here*it*is*very*difficult*now.**
I:*Yes…*since*last*year,*right?**
F:*Yes.*Now*many*people*in*the*community*here*are*getting*into*people*smuggling.**Because*their*work*is*not*enough*for*them*to*afford*living*costs.*These*days,*if*we*try*to*get*10,000*Rp.*(~$1)*per*day,*that’s*difficult.*
I:*Do*you*believe*that*sharks*are*important*for*the*ocean?*
F:*Yes,*they*are*important.*They*are*
important*for*the*ocean*because*in*
the*open*ocean,*there*are*always*
sharks.*They*have*to*be*free.**
It*is*just*that*now,*to*buy*rice*is*
increasingly*difficult,*so*we*have*to*
catch*them.**
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Ecological*importance*of*sharks*
Conclusions*
To'manage'shark'fisheries'in'developing'countries,'we'need'to'understand'and'account'for'socioAeconomic'implicaEons''Inform'realis9c'management'strategies'Western'solu9ons,'fishing'bans'–>'illegal'ac9vity'Alterna9ve'livelihoods,'economically'comparable'to'shark'fishing'Collabora9on'among'na9ons'to'manage'shared'stocks'
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Takebhome*message*
but*so*is*rice*Sharks*are*important*
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Ari&amori–&Thank&you&
Fishers&and&respondents&in*Osi,*Dobo*and*Pepela*&
Supervisors:*Neil*Loneragan*&*Carol*Warren**
Assistant:*Irene*Purnamawati**
Funders:*Prime*Minister’s*AustraliabAsia*Endeavour*Award*
Australian*Postgraduate*Award*Karl*Mayer*Stiftung*Switzerland*
*Friends&and&families&in*Indonesia,*Switzerland*and*Australia*