Changes in bird community composition in response to growth changes in short-rotation woody crop plantings
- Oak Ridge National Lab., TN (United States)
- Univ. of Minnesota, Duluth, MN (United States)
- National Audubon Society, Tavernier, FL (United States)
- Clark Univ., Worcester, MA (United States). Graduate School of Geography
- Oak Ridge Inst. for Science and Education, TN (United States)
Hybrid poplar established as intensively managed short-rotation woody crops (SRWC) former agricultural lands can provide habitat for wildlife. Studies of bird use of SRWC for nesting and during fall migration have shown that the numbers and kinds of breeding birds using mature plantings of hybrid poplar are similar to natural-forested lands. In Minnesota, the number and species of breeding birds using habitat provided by clonal-trial plantings and young larger-scale plantings (12--64 ha) of hybrid poplar were initially most similar to those using grasslands and row-crops. As the plantings approached canopy closure, successional species became predominant. In the Pacific Northwest, breeding bird composition and density were very similar for mature plantings and forested areas; however, fall migrants were found primarily in forested areas. In the Southeast, preliminary comparisons of breeding bird use of plantings of sweetgum and sycamore with naturally regenerating forests of different ages and sizes and vegetation structure are showing no size effect on use. As with hybrid poplar, species use of the more mature plantings of sweetgum and sycamore was most similar to that of natural forests.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Efficiency and Renewable Energy, Washington, DC (United States); USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- AC05-96OR22464
- OSTI ID:
- 634027
- Report Number(s):
- ORNL/CP--95955; CONF-970856--; ON: DE98003170; BR: EB2404000; 0
- Country of Publication:
- United States
- Language:
- English
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