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The role of Spadefoot Toad tadpoles in wetland trophic structure as influenced by environmental and morphological factors

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The role of Spadefoot Toad tadpoles in wetland trophic structure as influenced by environmental and morphological factors: Canadian Journal of ZoologyCan. J. Zool., v. 89, iss. 1, p. 47-59.

Summary

Larval amphibians reach high densities in playa wetlands in the Southern Great Plains (SGP), USA, and thus may influence the entire structure and function of these ecosystems. We investigated whether both carnivorous and omnivorous morphotypes of Spadefoot Toad tadpoles (New Mexico Spadefoot, Spea multiplicata (Cope, 1863), and Plains Spadefoot, Spea bombifrons (Cope, 1863)) would exhibit a macrophagous feeding behavior that would allow them to occupy several trophic levels in playas. We also compared tadpole diets and foregut widths as influenced by the land use surrounding playas (cultivated versus grassland watersheds), year (dry versus wet year), and body size (snout-to-vent length). Tadpole diets were dominated by detritus and [...]

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  • Integrated Landscape Modeling (ILM)

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High Plains Publications
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journalCanadian Journal of ZoologyCan. J. Zool.
parts
typevolume
value89
typeissue
value1
typepages
value47-59
citationTypejournal

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