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1 June 2000 INFLUENCE OF LANDSCAPE AND HABITAT CHARACTERISTICS ON OVENBIRD PAIRING SUCCESS
Amanda D. Rodewald, Richard H. Yahner
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Abstract

We investigated the influence of disturbance type (agriculture and silviculture) within forested landscapes, amount of forest cover within 1 km of the site, and local habitat characteristics on the pairing success of Ovenbirds (Seiurus aurocapillus) in central Pennsylvania during May and June 1998. Because areas with low pairing success often are inferred to have high nest predation, we also examined whether pairing and nesting success were correlated across sites. We determined the pairing status of 116 male Ovenbirds on 10 sites within contiguous mature forest. Percent of males that were paired on each site ranged from 54–92% (mean = 78%). Pairing success was negatively associated with forest cover within 1 km and positively associated with leaf litter depth. Percent bare ground also was positively correlated with forest cover within 1 km of the site. Estimates of pairing success were unrelated to Ovenbird nesting success at each site (based on 48 nests), which suggests that site-level differences in nest predation or reproductive potential are not necessarily associated with the ability of males to acquire mates. Our data suggest that pairing success of Ovenbirds in forested landscapes is not reduced by the amount of habitat loss within 1 km and is determined by local habitat rather than landscape characteristics.

Amanda D. Rodewald and Richard H. Yahner "INFLUENCE OF LANDSCAPE AND HABITAT CHARACTERISTICS ON OVENBIRD PAIRING SUCCESS," The Wilson Bulletin 112(2), 238-242, (1 June 2000). https://doi.org/10.1676/0043-5643(2000)112[0238:IOLAHC]2.0.CO;2
Received: 6 October 1999; Accepted: 1 February 2000; Published: 1 June 2000
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