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Effect of proximity to forest edges ...

Kaiser, Sara Ann.

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Effect of proximity to forest edges on nestling growth and nest survival of wood thrush (Hylocichla mustelina) in southwestern Michigan.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Effect of proximity to forest edges on nestling growth and nest survival of wood thrush (Hylocichla mustelina) in southwestern Michigan./
作者:	Kaiser, Sara Ann.
面頁冊數:	85 p.
附註:	Source: Masters Abstracts International, Volume: 42-06, page: 2127.
Contained By:	Masters Abstracts International42-06.
標題:	Biology, Zoology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1419968
ISBN:	0496247204

Effect of proximity to forest edges on nestling growth and nest survival of wood thrush (Hylocichla mustelina) in southwestern Michigan.
Kaiser, Sara Ann.

Effect of proximity to forest edges on nestling growth and nest survival of wood thrush (Hylocichla mustelina) in southwestern Michigan. - 85 p.

Source: Masters Abstracts International, Volume: 42-06, page: 2127.

Thesis (M.S.)--Michigan State University, 2004.

Nestling growth rates have been used as indicators of habitat degradation because growth rates have been positively correlated with food. However, no previous work has examined growth rates in the context of forest fragmentation. I investigated whether distance to forest edge influenced growth rates of wings, tarsi, and mass of nestling Wood Thrush. I also examined whether extrinsic and intrinsic factors explained variability in nestling growth rates. I also report Mayfield's daily nest survival rates, nest survival rates, and brood parasitism rates in edge and interior forest. The study was conducted in two forested landscapes in southwestern Michigan from May to August in 2002 and 2003. I located 175 Wood Thrush nests and measured nestlings from 58 nests. Tarsi growth rates were most rapid near powerline corridors and recent clearcuts, which may be food-abundant, and mass growth rates increased with total precipitation. Rapid tarsi growth may also be explained by the greater functional role of the tarsus early in the nestling period. There was no relationship between distance to forest edge and nest survival rates. Brood parasitism rates were among the lowest reported for Wood Thrush nesting in Midwestern fragmented forests. My finding that proximity to edge influenced nestling growth rates but not nesting success suggests nestling growth rates may be better indicators of habitat degradation than nesting success when high regional fragmentation levels may overwhelm potential edge-interior differences in local predation patterns.

ISBN: 0496247204Subjects--Topical Terms:

1018632
Biology, Zoology.

Effect of proximity to forest edges on nestling growth and nest survival of wood thrush (Hylocichla mustelina) in southwestern Michigan.
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