ecological efficiency
21Theoretical ecology — Mathematical models developed in theoretical ecology predict complex food webs are less stable than simple webs.[1]:75–77[2]:64 …
22Resilience (ecology) — For other uses, see Resilience (disambiguation). Lake and Mulga ecosystems with alternative stable states[1] In ecology, resilience is the capacity of an ecosyst …
23biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …
24Ecosystem ecology — Figure 1. A riparian forest in the White Mountains, New Hampshire (USA). Ecosystem ecology is the integrated study of biotic and abiotic components of ecosystems and their interactions within an ecosystem framework. This science examines how… …
25Microbial mat — A microbial mat is a multi layered sheet of micro organisms, mainly bacteria and archaea. Microbial mats grow at interfaces between different types of material, mostly on submerged or moist surfaces but a few survive in deserts.[1] They colonize… …
26Microbial metabolism — is the means by which a microbe obtains the energy and nutrients (e.g. carbon) it needs to live and reproduce. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic… …
27Happy Planet Index — The Happy Planet Index (HPI) is an index of human well being and environmental impact, introduced by the New Economics Foundation (NEF), in July 2006. The index is designed to challenge well established indices of countries’ development, such as… …
28Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… …
29Biological interaction — Biological interactions are the effects organisms in a community have on one another. In the natural world no organism exists in absolute isolation, and thus every organism must interact with the environment and other organisms. An organism s… …
30Climax community — The Daintree Rainforest in Queensland, Australia is an example of a climax forest ecosystem. In ecology, a climax community, or climatic climax community, is a biological community of plants and animals which, through the process of ecological… …
