Early response of the platypus to climate warming

Melissa Klamt, Ross Thompson, Jennifer Ann Davis

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Combining a climatic envelope modelling technique with more than two centuries (1800–2009) of distribution records has revealed the effects of a changing climate on the egg-laying monotreme, the platypus, Ornithorhynchus anatinus. We show that the main factor associated with platypus occurrence switched from aquatic habitat availability (estimated by rainfall) to thermal tolerances (estimated by annual maximum temperature) in the 1960s. This correlates directly with the change in the annual maximum temperature anomaly from cooler to warmer conditions in southeastern Australia. Modelling of platypus habitat under emission scenarios (A1B, A2, B1 and B2) revealed large decreases (>30%) in thermally suitable habitat by 2070. This reduction, compounded by increasing demands for water for agriculture and potable use, suggests that there is real cause for concern over the future status of this species, and highlights the need for restoration of thermal refugia within the platypus’ modelled range.
Original languageEnglish
Pages (from-to)3011-3018
Number of pages8
JournalGlobal Change Biology
Volume17
Issue number10
DOIs
Publication statusPublished - 2011
Externally publishedYes

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warming
monotreme
habitat availability
climate
habitat
refugium
Drinking Water
temperature anomaly
Agriculture
Restoration
modeling
Rain
tolerance
Availability
egg
agriculture
Temperature
rainfall
temperature
water

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Klamt, Melissa ; Thompson, Ross ; Davis, Jennifer Ann. / Early response of the platypus to climate warming. In: Global Change Biology. 2011 ; Vol. 17, No. 10. pp. 3011-3018.
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Early response of the platypus to climate warming. / Klamt, Melissa; Thompson, Ross; Davis, Jennifer Ann.

In: Global Change Biology, Vol. 17, No. 10, 2011, p. 3011-3018.

Research output: Contribution to journalArticleResearchpeer-review

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