Global effects of local human population density and distance to markets on the condition of coral reef fisheries

Cinner, Joshua E., Graham, Nicholas A.J., Huchery, Cindy, and Macneil, M. Aaron (2013) Global effects of local human population density and distance to markets on the condition of coral reef fisheries. Conservation Biology, 27 (3). pp. 453-458.

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Coral reef fisheries support the livelihoods of millions of people but have been severely and negatively affected by anthropogenic activities. We conducted a systematic review of published data on the biomass of coral reef fishes to explore how the condition of reef fisheries is related to the density of local human populations, proximity of the reef to markets, and key environmental variables (including broad geomorphologic reef type, reef area, and net productivity). When only population density and environmental covariates were considered, high variability in fisheries conditions at low human population densities resulted in relatively weak explanatory models. The presence or absence of human settlements, habitat type, and distance to fish markets provided a much stronger explanatory model for the condition of reef fisheries. Fish biomass remained relatively low within 14 km of markets, then biomass increased exponentially as distance from reefs to markets increased. Our results suggest the need for an increased science and policy focus on markets as both a key driver of the condition of reef fisheries and a potential source of solutions.

Item ID: 28742
Item Type: Article (Research - C1)
ISSN: 1523-1739
Keywords: fisheries, human-environment interactions, social-ecological systems, socioeconomics,
Date Deposited: 07 Aug 2013 05:38
FoR Codes: 16 STUDIES IN HUMAN SOCIETY > 1608 Sociology > 160802 Environmental Sociology @ 50%
06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 50%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960507 Ecosystem Assessment and Management of Marine Environments @ 100%
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