Effects of economics and demographics on global fisheries sustainability

© 2016 Society for Conservation Biology.

Bibliographische Detailangaben
Veröffentlicht in:Conservation biology : the journal of the Society for Conservation Biology. - 1999. - 31(2017), 4 vom: 15. Aug., Seite 799-808
1. Verfasser: Ding, Qi (VerfasserIn)
Weitere Verfasser: Wang, Yali, Chen, Xinjun, Chen, Yong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Conservation biology : the journal of the Society for Conservation Biology
Schlagworte:Journal Article balanced panel model curva ambiental de Kuznet ecological indicators environmental Kuznet's curve human population indicadores económicos marine fisheries modelo de panel balanceado pesquerías marinas población humana
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520 |a A good understanding of social factors that lead to marine ecological change is important to developing sustainable global fisheries. We used balanced panel models and conducted cross-national time-series analyses (1970-2010) of 122 nations to examine how economic prosperity and population growth affected the sustainability of marine ecosystems. We used catches in economic exclusive zone (EEZ); mean trophic level of fishery landings (MTL); primary production required to sustain catches (expressed as percentage of local primary production [%PPR]); and an index of ecosystem overfishing (i.e., the loss in secondary production index [L index]) as indicators of ecological change in marine ecosystems. The EEZ catch, %PPR, and L index declined gradually after gross domestic product (GDP) per capita reached $15,000, $14,000, and $19,000, respectively, and MTL increased steadily once GDP per capita exceeded $20,000. These relationships suggest that economic growth and biodiversity conservation are compatible goals. However, increasing human populations would degrade marine ecosystems. Specifically, a doubling of human population caused an increase in the %PPR of 17.1% and in the L index of 0.0254 and a decline in the MTL of 0.176. A 1% increase in human population resulted in a 0.744% increase in EEZ catch. These results highlight the importance of considering social and economic factors in developing sustainable fisheries management policy 
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650 4 |a balanced panel model 
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650 4 |a human population 
650 4 |a indicadores económicos 
650 4 |a marine fisheries 
650 4 |a modelo de panel balanceado 
650 4 |a pesquerías marinas 
650 4 |a población humana 
700 1 |a Wang, Yali  |e verfasserin  |4 aut 
700 1 |a Chen, Xinjun  |e verfasserin  |4 aut 
700 1 |a Chen, Yong  |e verfasserin  |4 aut 
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