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Title: Landscape-level patterns of avian diversity in the Oregon Coast Range

Author: Cushman, Samuel A.; McGarigal, Kevin;

Date: 2003

Source: Ecological Monographs. 73(2): 259-281.

Publication Series: Miscellaneous Publication

Description: We used a comparative mensurative landscape-level experiment to quantify the relative importance of mature forest area and fragmentation and differences among watersheds in influencing avian community diversity in the Oregon Coast Range, USA. Our study design included three large hydrological basins, two levels of fragmentation, and six levels of mature forest area. We recorded 82 species of birds in a total of 1046 plots in 30 landscapes. Our four response variables were species richness, species density, species evenness, and total bird density. We used a combination of factorial ANOVA and partial canonical variates analysis to quantify the relative importance of differences in mature forest area, fragmentation, and basin in influencing each response variable and community diversity overall.

Keywords: bird communities, habitat diversity, intermediate disturbance hypothesis, landscape pattern, mature forest area, mature forest fragmentation, Oregon Coast Range, species diversity, species evenness, watershed

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Cushman, Samuel A.; McGarigal, Kevin. 2003. Landscape-level patterns of avian diversity in the Oregon Coast Range. Ecological Monographs. 73(2): 259-281.


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