Ecosystem model — Ecosystem models, or ecological models, are mathematical representations of ecosystems. Typically they simplify complex foodwebs down to their major components or trophic levels, and quantify these as either numbers of organisms, biomass or the… … Wikipedia
Ecosystem services — Pollination by a bumblebee, a type of ecosystem service Humankind benefits from a multitude of resources and processes that are supplied by natural ecosystems. Collectively, these benefits are known as ecosystem services and include products like … Wikipedia
Ecosystem 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… … Wikipedia
Ecosystem — An ecosystem is a natural unit consisting of all plants, animals and micro organisms(biotic factors) in an area functioning together with all of the non living physical (abiotic) factors of the environment.Christopherson, RW (1996) Geosystems: An … Wikipedia
Function (biology) — A function is part of an answer to a question about why some object or process occurred in a system that evolved through a process of selection. Thus, function refers forward from the object or process, along some chain of causation to the goal… … Wikipedia
ecosystem — /ˈikoʊˌsɪstəm / (say eekoh.sistuhm), /ˈɛk / (say ek ) noun a community of organisms interacting with one another and with the environment in which they live, as in a pond, a forest, etc. The central concept of an ecosystem is the equilibrium in… …
ecosystem — the complex of living organisms and environmental conditions that function as a unit. Biocenosis plus biotope … Dictionary of ichthyology
Business ecosystem — is a strategic planning concept originated by James F. Moore and widely adopted in the high tech community, starting in the early 1990s. The basic definition comes from Moore s book, The Death of Competition: Leadership and Strategy in the Age of … Wikipedia
Diversity-function debate — Contents 1 Definitions 2 Issues in Ecology 3 References 4 See also 5 External links … Wikipedia
inland water ecosystem — ▪ biology Introduction complex of living organisms in free water on continental landmasses. Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… … Universalium
