نتایج جستجو برای: rare populations

تعداد نتایج: 470522  

Journal: :Conservation 2022

Lizards in the Neotropical genus Iguana are heavily traded for international pet trade, with unusual colour morphs and rare species commanding high prices. Recent research aimed to understand taxonomy phenotypic variation of Lesser Antilles, those populations now severely threatened by this trade. Although entire has been on Convention International Trade Endangered Species Wild Fauna Flora (CI...

2017
Siri Birkeland Idunn Elisabeth Borgen Skjetne Anne Krag Brysting Reidar Elven Inger Greve Alsos

Small, isolated, and/or peripheral populations are expected to harbour low levels of genetic variation and may therefore have reduced adaptability to environmental change, including climate warming. In the Arctic, global warming has already caused vegetation change across the region and is acting as a significant stressor on Arctic biodiversity. Many of the rare plants in the Arctic are relicts...

2010
Santosh Kumar

Despite the surge of support for on farm conservation of plant genetic resources on global scale, no agreed set of scientific principles yet exists for its effective implementation. Farming communities in traditional agroecosystem have been playing an important role in conserving agricultural diversity and assessment at genetic level is a prerequisite for understanding detrimental evolutionary ...

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