Considerations for monitoring a rare anuran (Eleutherodactylus augusti)

Considerations for monitoring a rare anuran (Eleutherodactylus augusti). Goldberg, C. & Schwalbe, C. Southwestern Naturalist, 49(4):442–448, Dept. of Fish and Wildlife Resources, University of Idaho, PO Box 44136, Moscow, ID 83844-1136, United States, 2004.
abstract bibtex

Monitoring wildlife populations is a challenging task for scientists and resource managers. We assessed 4 methods for monitoring population size of barking frogs (Eleutherodactylus augusti) in southern Arizona: mark-recapture, distance sampling, call counts, and visual encounter surveys. Because of the ecology and behavior of this species, all methods produced data that contained too much variability and bias to be useful for monitoring population size. For cryptic species such as barking frogs, monitoring programs might be more effective if they focus on parameters other than population size.

@ARTICLE{Goldberg2004,
  author = {Goldberg, C.S. and Schwalbe, C.R.},
  title = {Considerations for monitoring a rare anuran \textit{(Eleutherodactylus
	augusti)}},
  journal = {Southwestern Naturalist},
  year = {2004},
  volume = {49},
  pages = {442--448},
  number = {4},
  abstract = {Monitoring wildlife populations is a challenging task for scientists
	and resource managers. We assessed 4 methods for monitoring population
	size of barking frogs \textit{(Eleutherodactylus augusti)} in southern
	Arizona: mark-recapture, distance sampling, call counts, and visual
	encounter surveys. Because of the ecology and behavior of this species,
	all methods produced data that contained too much variability and
	bias to be useful for monitoring population size. For cryptic species
	such as barking frogs, monitoring programs might be more effective
	if they focus on parameters other than population size.},
  address = {Dept. of Fish and Wildlife Resources, University of Idaho, PO Box
	44136, Moscow, ID 83844-1136, United States},
  owner = {eric},
  subdatabase = {distance},
  timestamp = {2006.11.05}
}

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