A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
Systems that provide for the maintenance of life in an isolated living chamber through reutilization of the material available, in particular, by means of a cycle wherein exhaled carbon dioxide, urine, and other waste matter are converted chemically or by photosynthesis into oxygen, water, and food. (NASA Thesaurus, 1988)
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
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Ecological systems : Individuals and communities / prepared by the Ecology Course Team of the Open University (i.e. S323 Course Team)
Here are entered works on structures employing materials, equipment, and techniques in construction that maximize a structure's energy efficiency and minimize its adverse impact on the natural environment
Écologie -- Amérique latine. : The Fragile tropics of Latin America : sustainable management of changing environments / edited by Toshie Nishizawa and Juha I. Uitto
Écologie animale. : Behavioural ecology : an evolutionary approach / edited by John R. Krebs, Chief Executive of the Natural Environment Research Council and Royal Society, Research Professor, Department of Zoology, University of Oxford, and Nicholas B. Davies, Professor of Behavioural Ecology, Department of Zoology, University of Cambridge
Écologie d'eau douce. : Algal ecology : freshwater benthic ecosystems / edited by R. Jan Stevenson, Max L. Bothwell, Rex L. Lowe
1996
1
Écologie des cours d'eau. : Restoring life in running waters : better biological monitoring / James R. Karr and Ellen W. Chu
1999
1
Écologie des eaux -- Effets de l'homme. : The silicon cycle : human perturbations and impacts on aquatic systems / edited by Venugopalan Ittekkot [and others]
2006
1
Écologie des eaux -- États-Unis. : Restoration of aquatic ecosystems : science, technology, and public policy / Committee on Restoration of Aquatic Ecosystems--Science, Technology, and Public Policy, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources
1992
1
Écologie des estuaires. : Ecology of estuaries : anthropogenic effects / author, Michael J. Kennish
Écologie des forêts -- États-Unis. : Wild forests conservation biology and public policy / William S. Alverson, Walter Kuhlmann, Donald M. Waller ; foreword by Jared Diamond
Écologie des forêts -- Guinée -- Kissidougou (région) : Misreading the African landscape : society and ecology in a forest-savanna mosaic / James Fairhead and Melissa Leach ; with the research collaboration of Dominique Millimouno and Marie Kamano
