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Conservation of Small Populations

Conservation of Small Populations

Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...

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Related Experiment Video

Updated: Mar 19, 2026

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid

Published on: August 8, 2017

Physiology in conservation translocations.

Esther Tarszisz¹, Christopher R Dickman², Adam J Munn¹

¹School of Biological Sciences, University of Wollongong, Wollongong, NSW 2522, Australia.

Conservation Physiology

|June 14, 2016

Summary

This summary is machine-generated.

Conservation translocations can be improved by incorporating physiological assessments. Understanding animal physiology before and after release is key to increasing success rates and enhancing animal welfare in conservation efforts.

Keywords:

Conservation physiology conservation translocation monitoring vertebrate

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Area of Science:

Conservation Biology
Animal Physiology
Ecology

Background:

Conservation translocations aim to reintroduce species, protect populations, and restore ecosystems.
Success rates of animal translocations are variable, often due to uncertainty about individual physiology and well-being.
Physiology offers novel approaches to improve translocation outcomes but may be undervalued.

Purpose of the Study:

To review the extent to which physiological aspects are incorporated into conservation translocation studies.
To highlight the potential of physiological evaluations to improve translocation success and animal welfare.
To propose a framework for 'translocation physiology' as a sub-discipline of conservation physiology.

Main Methods:

A systematic review of 232 publications on terrestrial vertebrate and aquatic mammal translocations.
Analysis of studies based on the explicit incorporation of physiological aspects in protocols and monitoring.
Categorization of translocation success as high or low.

Main Results:

Physiological evaluation before and after release is often lacking in translocation studies.
Incorporating physiological assessments can significantly enhance translocation and reintroduction successes.
Physiological data can inform short-term assistance and long-term post-release monitoring.

Conclusions:

Physiological assessments are crucial for improving the success of conservation translocations.
Integrating 'translocation physiology' can lead to better animal welfare by reducing the number of animals used.
This approach refines translocation methods and advances conservation science.