Avian-botulism risk in waterbird breeding colonies and implications for environmental water management

K. J. Brandis, J. Spencer, B. Wolfenden, D. Palmer

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

Avian botulism poses a significant risk to waterbird health in Australian wetlands. This paralytic, often fatal, disease occurs when birds ingest a neurotoxin produced by the bacterium Clostridium botulinum. Our current understanding of avian botulism comes largely from studies in the northern hemisphere, with many of these studies linking outbreaks of avian botulism with poor water quality. The Murray-Darling Basin provides the most important breeding habitat for colonial waterbirds in Australia, but the frequency of large-scale breeding events has declined, and waterbird populations are near record-low numbers. Avian botulism has the capacity to have significant impacts on waterbird recruitment if not managed appropriately. We propose that environmental water-management strategies that aim to maintain water quality through flow delivery to waterbird colonies could mitigate the risk of botulism outbreaks and contribute to waterbird population recovery.

Original languageEnglish
Pages (from-to)179-190
Number of pages12
JournalMarine and Freshwater Research
Volume71
Issue number2
DOIs
Publication statusPublished - 18 Dec 2020

Fingerprint

Botulism
botulism
water birds
breeding population
water management
Breeding
breeding
water quality
Water
Water Quality
Northern Hemisphere
wetland
Disease Outbreaks
bird
bacterium
Clostridium botulinum
habitat
basin
Wetlands
Neurotoxins

Cite this

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Avian-botulism risk in waterbird breeding colonies and implications for environmental water management. / Brandis, K. J.; Spencer, J.; Wolfenden, B.; Palmer, D.

In: Marine and Freshwater Research, Vol. 71, No. 2, 18.12.2020, p. 179-190.

Research output: Contribution to journalReview article

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