نتایج جستجو برای: term conservation

تعداد نتایج: 676103  

2000

Executive Summary Overview • The Preamble to the Convention states that the objective of CITES is to prevent the over-exploitation of species through international trade and to ensure their long term survival. The ultimate aim of the Convention is undoubtedly to promote species conservation, however, legally the convention only has jurisdiction over the regulation of international trade and can...

2015
Hungyen Chen Yun-Chih Liao Ching-Yi Chen Jeng-I Tsai Lee-Sea Chen Kwang-Tsao Shao

The long-term species diversity patterns in marine fish communities are garnering increasing attention from ecologists and conservation biologists. However, current databases on quantitative abundance information lack consistent long-term time series, which are particularly important in exploring the possible underlying mechanism of community changes and evaluating the effectiveness of biodiver...

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