Amphibians and agricultural chemicals

Review of the risks in a complex environment

Reinier M. Mann*, Ross V. Hyne, Catherine B. Choung, Scott P. Wilson

*Corresponding author for this work

Research output: Contribution to journalReview article

342 Citations (Scopus)

Abstract

Agricultural landscapes, although often highly altered in nature, provide habitat for many species of amphibian. However, the persistence and health of amphibian populations are likely to be compromised by the escalating use of pesticides and other agricultural chemicals. This review examines some of the issues relating to exposure of amphibian populations to these chemicals and places emphasis on mechanisms of toxicity. Several mechanisms are highlighted, including those that may disrupt thyroid activity, retinoid pathways, and sexual differentiation. Special emphasis is also placed on the various interactions that may occur between different agro-chemicals and between chemicals and other environmental factors. We also examine the indirect effects on amphibian populations that occur when their surrounding pond communities are altered by chemicals.

Original languageEnglish
Pages (from-to)2903-2927
Number of pages25
JournalEnvironmental Pollution
Volume157
Issue number11
DOIs
Publication statusPublished - Nov 2009

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