TY - GEN AU - Tankersley,Roger D TI - Migration of birds as an indicator of broad-scale environmental condition SN - 0167-6369 PY - 2004///0720 KW - Animals KW - Birds KW - Environmental Monitoring KW - methods KW - Environmental Pollutants KW - analysis KW - Flight, Animal KW - Movement KW - Population Dynamics KW - Risk Assessment KW - Territoriality KW - United States N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1023/b:emas.0000016879.82499.b6 ER -