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Successional Changes And Habitat Selection In Hayfield Bird Communities, Eric K. Bollinger
Successional Changes And Habitat Selection In Hayfield Bird Communities, Eric K. Bollinger
Eric K. Bollinger
I examined the effects of successional changes in vegetation on the breeding dispersion of grassland birds in hayfields in New York. I sampled vegetation and counted birds in 90 hayfields of various ages (i.e. number of years since planting) and sizes that were originally planted to a legume-dominated seed mixture. I also resampled a subset of these fields two years later. Over time, these hayfields changed from tall, dense, homogeneous stands of legume-dominated vegetation to short, sparse, patchy stands of grass-dominated vegetation. Fields of all ages were dominated by introduced plant species. Red-winged Blackbirds (Agelaius phoeniceus), the most common bird …
Preliminary Keys To Carex (Cyperaceae) In New York State, Gordon C. Tucker
Preliminary Keys To Carex (Cyperaceae) In New York State, Gordon C. Tucker
Gordon C. Tucker
No abstract provided.