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  2. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    Although definitions of ecosystem management abound, there is a common set of principles which underlie these definitions: A fundamental principle is the long-term sustainability of the production of goods and services by the ecosystem; [52] "intergenerational sustainability [is] a precondition for management, not an afterthought". [43]

  3. Ecosystem ecology - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_ecology

    Ecosystem services are ecologically mediated functional processes essential to sustaining healthy human societies. [6] Water provision and filtration, production of biomass in forestry, agriculture, and fisheries, and removal of greenhouse gases such as carbon dioxide (CO 2) from the atmosphere are examples of ecosystem services essential to public health and economic opportunity.

  4. Living systems - Wikipedia

    en.wikipedia.org/wiki/Living_systems

    Gerard Jagers' operator theory proposes that life is a general term for the presence of the typical closures found in organisms; the typical closures are a membrane and an autocatalytic set in the cell [26] and that an organism is any system with an organisation that complies with an operator type that is at least as complex as the cell.

  5. Glossary of ecology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_ecology

    Also Gause's law. A biological rule which states that two species cannot coexist in the same environment if they are competing for exactly the same resource, often memorably summarized as "complete competitors cannot coexist". coniferous forest One of the primary terrestrial biomes, culminating in the taiga. conservation biology The study of Earth's biodiversity with the aim of protecting and ...

  6. Ecosystem management - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_management

    The term natural resource management is frequently used in relation to a particular resource for human use, rather than the management of a whole ecosystem. [34] Natural resource management aims to fulfill the societal demand for a given resource without causing harm to the ecosystem, or jeopardizing the future of the resource. [35]

  7. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  8. Glossary of geography terms (A–M) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geography_terms...

    Large ecosystems characterized by a common climate, common vegetation, and common animal life. biosphere The entirety of all biological systems on Earth, integrating all living beings and ecosystems; the realm in which biological organisms live. [3] biota The animal and plant life of a region, considered as a total ecological entity. [2] blackwater

  9. Life - Wikipedia

    en.wikipedia.org/wiki/Life

    The definition of life has long been a challenge for scientists and philosophers. [ 2 ] [ 3 ] [ 4 ] This is partially because life is a process, not a substance. [ 5 ] [ 6 ] [ 7 ] This is complicated by a lack of knowledge of the characteristics of living entities, if any, that may have developed outside Earth.