Thursday, 14 December 2017

Dolphin, bear studies have paved the way to improved population forecasting


Date:  December 11, 2017
Source:  University of New South Wales

Summary:

A new article by a UNSW Sydney-led team challenges the validity of current methods for forecasting the persistence of slow-growing species for conservation purposes, and provides a better approach to reducing the threat of extinction.

Previous research on wild dolphins in Australia and wild bears in North America has revealed that reproductive success is the best predictor of the viability of these long-lived populations, rather than their survival rates.

The findings of these and other studies fly in the face of decades of population modelling, which has led to a widespread generalisation that survival is the most important factor for population viability of long-lived species, the researchers say.


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