Ecology -- Alabama -- Maps. : Ecoregions of Alabama and Georgia [graphic] / principal authors, Glenn Griffith ... [et al.].
2002
1
7
Alder -- Ecology -- Alaska. : Interactions between white spruce and shrubby alders at three boreal forest sites in Alaska [electronic resource] / Tricia L. Wurtz.
Alyssum -- Ecology -- Montana. : Ecology and management of hoary alyssum (Berteroa incana (L.) DC.) [electronic resource] / by Jim Jacobs, Jane Mangold.
2008
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11
Ecology -- Amazon River Region. : Amazon, land of the flooded forest [videorecording] / produced by the National Geographic Society and WQED Pittsburgh ; written and produced by Barbara Jampel ; produced in association with Partridge Films, Ltd. ; executive producer, Michael Rosenberg producer, Andrea Florence
c1990
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Amphibians -- Ecology -- Middle Atlantic States. : An introduction to Mid-Atlantic seasonal pools [electronic resource] / by Lesley J. Brown, Robin E. Jung ; prepared for U.S. Environmental Protection Agency, Mid-Atlantic Integrated Assessment.