Title |
GREEN TREE FROG (HYLA CINEREA) AND GROUND SQUIRREL (XEROSPERMOPHILUS SPILOSOMA) MORTALITY ATTRIBUTED TO INLAND BREVETOXIN TRANSPORT AT PADRE ISLAND NATIONAL SEASHORE, TEXAS, USA, 2015
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Published in |
Journal of Wildlife Diseases, August 2017
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DOI | 10.7589/2017-01-018 |
Pubmed ID | |
Authors |
Danielle E. Buttke, Alicia Walker, I-Shuo Huang, Leanne Flewelling, Julia Lankton, Anne E. Ballmann, Travis Clapp, James Lindsay, Paul V. Zimba |
Abstract |
On 16 September 2015, a red tide (Karenia brevis) bloom impacted coastal areas of Padre Island National Seashore Park. Two days later and about 0.9 km inland, 30-40 adult green tree frogs (Hyla cinerea) were found dead after displaying tremors, weakness, labored breathing, and other signs of neurologic impairment. A rainstorm, accompanied by high winds, rough surf, and high tides, which could have aerosolized brevetoxin, occurred on the morning of the mortality event. Frog carcasses were healthy but contained significant brevetoxin in tissues. Tissue brevetoxin was also found in two dead or dying spotted ground squirrels (Xerospermophilus spilosoma) and a coyote (Canis latrans). Rainwater collected from the location of the mortality event contained brevetoxin. Mortality of green tree frog and ground squirrel mortality has not been previously attributed to brevetoxin exposure and such mortality suggested that inland toxin transport, possibly through aerosols, rainfall, or insects, may have important implications for coastal species. |
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Members of the public | 1 | 100% |
Mendeley readers
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Unknown | 11 | 31% |