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Final Report: Status Of The Arizona Toad (Anaxyrus Microscaphus) In New Mexico, Mason J. Ryan, Jacek Tomasz Giermakowski, Ian M. Latella, Howard L. Snell
Final Report: Status Of The Arizona Toad (Anaxyrus Microscaphus) In New Mexico, Mason J. Ryan, Jacek Tomasz Giermakowski, Ian M. Latella, Howard L. Snell
Biology Faculty & Staff Publications
This report covers the fourth consecutive year (2013-2016) of research on the population dynamics, ecology, and conservation status of the Arizona Toad (Anaxyrus microscaphus) in New Mexico. The year 2016 represented the rare opportunity to study the effects of El Niño, which typically brings above average precipitation to New Mexico, on the breeding behavior and ecology of the Arizona toad. We expected that the El Niño-driven above average precipitation during the winter of 2015 and spring of 2016 would result in increased detection of toads at breeding sites, especially those sites that were dry in 2013, 2014, and …
2015 Final Report: Status Of The Arizona Toad (Anaxyrus Microscaphus) In New Mexico, Mason J. Ryan, Ian M. Latella, Jacek Tomasz Giermakowski, Howard L. Snell
2015 Final Report: Status Of The Arizona Toad (Anaxyrus Microscaphus) In New Mexico, Mason J. Ryan, Ian M. Latella, Jacek Tomasz Giermakowski, Howard L. Snell
Biology Faculty & Staff Publications
In 2013, we initiated a field study to assess the status of the Arizona Toad (Anaxyrus microscaphus) in New Mexico. Herein we provide the results of three years (2013-2015) of range-wide population monitoring, a review of threat assessments, and several contributions to the basic ecology of the Arizona Toad in New Mexico. This work highlights the sensitivity of the species to abiotic factors and emphasizes the nature of annual population fluctuations in a variable environment. We provide analyses of environmental factors that influence toad reproductive behaviors, employ occupancy and detection modeling at breeding sites, and provide analyses of tadpole habitat …