Biblioteca Digital

17 resultados para environmental problem

em Biodiversity Heritage Library, United States

The problem of age, growth, and death; a study of cytomorphosis.

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The biological problem of today : preformation or epigenesis? The basis of a theory of organic development, by Professor Dr. Oscar Hertwig. Authorized translation by P. Chalmers Mitchell, M. A. With an introduction by the translator and a glossary of the technical terms.

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Unsere Körperform und das physiologische Problem ihrer Enstehung; Briefe an einen Befreundeten Naturforscher.

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Energy and environmental stress in aquatic systems : selected papers from a symposium held at Augusta, Georgia, November 2-4, 1977 /

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Patterns and perspectives in environmental science : report prepared for the National Science Board, National Science Foundation.

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Saving bays and estuaries : a primer for establishing and managing estuary projects / Office of Marine and Estuarine Protection, U.S. Environmental Protection Agency.

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Directory of environmental life scientists / prepared by the Institute of Ecology (TIE) for the U.S. Army Corps of Engineers.

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v.7: North Atlantic Region

Transuranic elements in the environment : a summary of environmental research on transuranium radionuclides funded by the U.S. Department of Energy through calendar year 1979 / Wayne C. Hanson, editor ; prepared for the U.S. Department of Energy, Assistant Secretary for Environment, Office of Health and Environmental Research.

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Techniques for monitoring the environmental effects of routine underwater explosion tests / by George A. Young, Richard L. Willey.

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Recent trends in coastal environmental quality : results from the mussel watch project / Thomas P. O'Connor, Benoit Beliaeff.

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The International mussel watch : a global assessment of environmental levels of chemical contaminants / prepared by the International Musselwatch Committee; supported by UNESCO Intergovernmental Oceanographic Commission, The United Nations Environment Programme.

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Stellwagen Bank National Marine Sanctuary final environmental impact statement/management plan / Sanctuaries and Reserves Division.

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Stellwagen Bank National Marine Sanctuary final environmental impact statement/management plan / Sanctuaries and Reserves Division.

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Draft environmental impact statement on the agreement between the United States and Canada on East Coast fishery resources / Department of State.

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Assessing human health risks from chemically contaminated fish and shellfish : a guidance manual / U.S. Environmental Protection Agency, Office of Marine and Estuarine Protection, Office of Water Regulations and Standards.

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