Concept information
Preferred term
ecosystem
Definition
- An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Ecosystems are controlled by external and internal factors. External factors such as climate, parent material which forms the soil and topography, control the overall structure of an ecosystem but are not themselves influenced by the ecosystem. Internal factors are controlled, for example, by decomposition, root competition, shading, disturbance, succession, and the types of species present. Ecosystem classifications are specific kinds of ecological classifications that consider all four elements of the definition of ecosystems: a biotic component, an abiotic complex, the interactions between and within them, and the physical space they occupy. (Adapted from: https://en.wikipedia.org/wiki/Ecosystem)
Broader concept
Narrower concepts
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/QX8-L18B0KDG-2
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