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Diversification insulates fisher catch and revenue in heavily exploited tropical fisheries

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Diversification insulates fisher catch and revenue in heavily exploited tropical fisheries. / Robinson, James P. W.; Robinson, Jan; Gerry, Calvin et al.

In: Science Advances, Vol. 6, No. 8, 0587, 21.02.2020.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Robinson JPW, Robinson J, Gerry C, Govinden R, Freshwater C, Graham NAJ. Diversification insulates fisher catch and revenue in heavily exploited tropical fisheries. Science Advances. 2020 Feb 21;6(8):0587. doi: 10.1126/sciadv.aaz0587

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Robinson, James P. W. ; Robinson, Jan ; Gerry, Calvin et al. / Diversification insulates fisher catch and revenue in heavily exploited tropical fisheries. In: Science Advances. 2020 ; Vol. 6, No. 8.

Bibtex

@article{3885dfa1931943c7bf9d6a55e9ff8b59,
title = "Diversification insulates fisher catch and revenue in heavily exploited tropical fisheries",
abstract = "Declines in commercial landings and increases in fishing fleet power have raised concerns over the continued provisioning of nutritional and economic services by tropical wild fisheries. Yet, because tropical fisheries are often data-poor, mechanisms that might buffer fishers to declines are not understood. This data scarcity undermines fisheries management, making tropical fishing livelihoods particularly vulnerable to changes in marine resources. We use high-resolution fisheries data from Seychelles to understand how fishing strategy (catch diversification) influences catch rates and revenues of individual fishing vessels. We show that average catch weight decreased by 65% over 27 years, with declines in all nine species groups coinciding with increases in fishing effort. However, for individual vessels, catch diversity was associated with larger catches and higher fishing revenues and with slower catch declines from 1990 to 2016. Management strategies should maximize catch diversity in data-poor tropical fisheries to help secure nutritional security while protecting fishing livelihoods.",
keywords = "SMALL-SCALE FISHERIES, FOOD SECURITY, FISHING COMMUNITIES, MARINE FISHERIES, DIPOLE MODE, PACIFIC, EVENTS, ACCESS, OCEAN",
author = "Robinson, {James P. W.} and Jan Robinson and Calvin Gerry and Rodney Govinden and Cameron Freshwater and Graham, {Nicholas A. J.}",
year = "2020",
month = feb,
day = "21",
doi = "10.1126/sciadv.aaz0587",
language = "English",
volume = "6",
journal = "Science Advances",
issn = "2375-2548",
publisher = "American Association for the Advancement of Science",
number = "8",

}

RIS

TY - JOUR

T1 - Diversification insulates fisher catch and revenue in heavily exploited tropical fisheries

AU - Robinson, James P. W.

AU - Robinson, Jan

AU - Gerry, Calvin

AU - Govinden, Rodney

AU - Freshwater, Cameron

AU - Graham, Nicholas A. J.

PY - 2020/2/21

Y1 - 2020/2/21

N2 - Declines in commercial landings and increases in fishing fleet power have raised concerns over the continued provisioning of nutritional and economic services by tropical wild fisheries. Yet, because tropical fisheries are often data-poor, mechanisms that might buffer fishers to declines are not understood. This data scarcity undermines fisheries management, making tropical fishing livelihoods particularly vulnerable to changes in marine resources. We use high-resolution fisheries data from Seychelles to understand how fishing strategy (catch diversification) influences catch rates and revenues of individual fishing vessels. We show that average catch weight decreased by 65% over 27 years, with declines in all nine species groups coinciding with increases in fishing effort. However, for individual vessels, catch diversity was associated with larger catches and higher fishing revenues and with slower catch declines from 1990 to 2016. Management strategies should maximize catch diversity in data-poor tropical fisheries to help secure nutritional security while protecting fishing livelihoods.

AB - Declines in commercial landings and increases in fishing fleet power have raised concerns over the continued provisioning of nutritional and economic services by tropical wild fisheries. Yet, because tropical fisheries are often data-poor, mechanisms that might buffer fishers to declines are not understood. This data scarcity undermines fisheries management, making tropical fishing livelihoods particularly vulnerable to changes in marine resources. We use high-resolution fisheries data from Seychelles to understand how fishing strategy (catch diversification) influences catch rates and revenues of individual fishing vessels. We show that average catch weight decreased by 65% over 27 years, with declines in all nine species groups coinciding with increases in fishing effort. However, for individual vessels, catch diversity was associated with larger catches and higher fishing revenues and with slower catch declines from 1990 to 2016. Management strategies should maximize catch diversity in data-poor tropical fisheries to help secure nutritional security while protecting fishing livelihoods.

KW - SMALL-SCALE FISHERIES

KW - FOOD SECURITY

KW - FISHING COMMUNITIES

KW - MARINE FISHERIES

KW - DIPOLE MODE

KW - PACIFIC

KW - EVENTS

KW - ACCESS

KW - OCEAN

U2 - 10.1126/sciadv.aaz0587

DO - 10.1126/sciadv.aaz0587

M3 - Journal article

VL - 6

JO - Science Advances

JF - Science Advances

SN - 2375-2548

IS - 8

M1 - 0587

ER -