Population viability analysis (PVA) refers to the set of ideas, theoretical models, and conceptual and computational tools ecologists use to understand extinction risk and to forecast future scenarios of population growth and decline. PVA methods have developed rapidly over the last two decades and recent advances have focused on incorporating more complex population dynamics; statistical tools for model selection and estimation; combination with geographic information systems (GIS) and spatial data modeling environments; and integration in probabilistic paradigms for risk assessment, strategic planning, and decision analysis. As PVA can be used as a basis for listing species as threatened and endangered under World Conservation Union criteria, PVA methodology can have substantial policy implications.

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10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.

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