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Research Priorities for the Management of the Western Toad (Bufo boreas) in British Columbia Davis, T.M.
2002
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Abstract: Over the past several decades, many amphibian species have undergone population declines, range reductions, or extinction (Blaustein et al. 1994a; Blaustein et al. 1994b; Blaustein and Wake 1990, 1995; Green 1997; Wake 1998; Alford and Richards 1999; Carey et. al. 1999; Houlahan et al. 2000). Although some declines can be explained as natural population fluctuations, and a few are unexplained, most declines and disappearances are clearly the result of human activities – primarily habitat loss or degradation as the result of land conservation, urbanization, or development (Wake 1991; Vial and Saylor 1993; Corn 1994; Blaustein and Wake 1995; Pechmann and Wake 1997; Lehtinen et al. 1999). Other factors, including the introduction of exotic vertebrate species, infection with viral, fungal, bacterial, or invertebrate pathogens, harvesting by humans, road mortality and habitat fragmentation also have contributed to amphibian declines. (Exotic species: Hayes and Jennings 1986; Bradford 1989; Gamradt and Kats 1996; Kiesecker and Blaustein 1997, 1998; Lawler et al. 1999; Knapp and Matthews 2000); pathogens: Carey 1993; Blaustein et al. 1994c; Laurance et al. 1996; Hecnar and M’Closkey 1997b; Kiesecker and Blaustein 1997; Speare et al. 1997; Berger et al. 1998; Carey et al. 1999; Johnson et al. 1999; Taylor et al. 1999; Carey 2000; harvesting: Blaustein and Wake 1995; road mortality: van Gelder 1973; Fahrig et al. 1995; habitat fragmentation: Blaustein et al. 1994b; deMaynadier and Hunter 1995; Corn and Fogleman 1984; Sjögren 1991; Gibbs 1998a ; Sjögren-Gulve and Ray 1998; Lehtinen et al. 1999).
 
Davis, T.M.. 2002. Research Priorities for the Management of the Western Toad (Bufo boreas) in British Columbia. Ministry of Water, Land and Air Protection. Wildlife Working Report. WR106
 
Topic: Conservation + Mgmt (Wildlife, Fish, Plant)
Keywords: amphibian, population decline, urbanization
ISSN:  Scientific Name: Bufo boreas
ISBN: 0-7726-4740-2 English Name: Western Toad
Other Identifier: 
 
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