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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.
Campus Field Trips: An Effective Supplement To Classroom Instruction, Paul V. Switzer
Campus Field Trips: An Effective Supplement To Classroom Instruction, Paul V. Switzer
Paul V. Switzer
No abstract provided.