Thermal and asphyxia exposure risk to freshwater fish in feral-pig-damaged tropical wetlands

Waltham, Nathan J., and Schaffer, Jason R. (2018) Thermal and asphyxia exposure risk to freshwater fish in feral-pig-damaged tropical wetlands. Journal of Fish Biology, 93 (4). pp. 723-728.

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DOI: 10.1111/jfb.13742

View at Publisher Website: https://doi.org/10.1111/jfb.13742

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Abstract

Acute thermal and asphyxia exposure risks for freshwater fish occupying three tropical wetland typologies were examined. Field water‐quality data revealed that fish in wetlands grazed by pigs had the highest exposure risks, because they are shallow and heavily damaged by pig activities. In contrast, with the exception is dissolved oxygen (which still reached critical conditions because of aquatic vegetation respiration), deeper permanent and pig‐managed wetlands provides the best opportunity for the same fish species to survive in a heavily pig‐modified tropical landscape.


Item ID:	54522
Item Type:	Article (Research - C1)
ISSN:	1095-8649
Keywords:	dissolved oxygen, floodplain, freshwater fish, pigs, thermal tolerance, wetland
Additional Information:	author can archive post-print (ie final draft post-refereeing) after 12 months embargo.
Funders:	National Environment Sciences Programme, Northern Australian Hub, Australian Government
Date Deposited:	11 Jul 2018 05:00
FoR Codes:	41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410404 Environmental management @ 33% 41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410407 Wildlife and habitat management @ 33% 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310304 Freshwater ecology @ 34%
SEO Codes:	96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960807 Fresh, Ground and Surface Water Flora, Fauna and Biodiversity @ 50% 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960506 Ecosystem Assessment and Management of Fresh, Ground and Surface Water Environments @ 50%
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