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In this paper, a tension in the so-called Millennium Ecosystem Assessment (released by UNEP in 2005) between concerns about intrinsic value on the one hand, and the discourse of "ecosystem services" on the other, is identified and discussed. The tension can be understood to constitute a conflict between intrinsic and extrinsic values. I look at possible ways to resolve this conflict, considering...
In this study, we created a set of biodiversity indices (BI) to track the changes of biodiversity components in Daya Bay of the South China Sea. The timely information is thereby obtained for decision-making of biodiversity conservation. The calculated BI score ranged from 0.89 to 1.07 during the periods of 2004-2008, and the mean annual loss of biodiversity ranged from -3.98% to 3.17% and reduced...
Summary form only given. Coral reefs are the most imperiled ecosystem, with accelerating mortality from globally increasing temperature, disease, and pollution. This threatens fisheries, tourism, shore protection, and biodiversity in over 100 countries. Oyster banks that once filled estuaries have almost vanished from over-harvesting and pollution. Corals and oysters are the only organisms building...
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