includes journal articles, government reports, books, dissertations and conference papers covering all biological and ecological aspects of marine and freshwater environments. Includes abstracts to many articles (1978-present).
Coverage Dates: 1978 - present

Comprehensive, multi-disciplinary index to research articles from all fields in the environmental sciences. Indexes U.S. government environmental impact statements (1967-present).
Coverage Dates: 1967 - present

Index to journal articles, books, conference papers, government reports, theses and other literature covering all areas of fish and fisheries research (1971-present).
Coverage Dates: 1971 - present

Index to journal articles, books, conference papers, government reports, theses and other literature covering all areas of wildlife research (1935-present).
Coverage Dates: 1935 - present