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2. Ecosystem model - Wikipedia

   en.wikipedia.org/wiki/Ecosystem_model

   A structural diagram of the open ocean plankton ecosystem model of Fasham, Ducklow & McKelvie (1990). [1]An ecosystem model is an abstract, usually mathematical, representation of an ecological system (ranging in scale from an individual population, to an ecological community, or even an entire biome), which is studied to better understand the real system.

3. Theoretical ecology - Wikipedia

   en.wikipedia.org/wiki/Theoretical_ecology

   An ecological community is a group of trophically similar, sympatric species that actually or potentially compete in a local area for the same or similar resources. [20] Interactions between these species form the first steps in analyzing more complex dynamics of ecosystems. These interactions shape the distribution and dynamics of species.

4. Measurement of biodiversity - Wikipedia

   en.wikipedia.org/wiki/Measurement_of_biodiversity

   Biodiversity is usually plotted as the richness of a geographic area, with some reference to a temporal scale. Types of biodiversity include taxonomic or species, ecological, morphological, and genetic diversity. Taxonomic diversity, that is the number of species, genera, family is the most commonly assessed type. [7]

5. Ecosystem ecology - Wikipedia

   en.wikipedia.org/wiki/Ecosystem_ecology

   Ecosystem ecology is philosophically and historically rooted in terrestrial ecology. The ecosystem concept has evolved rapidly during the last 100 years with important ideas developed by Frederic Clements, a botanist who argued for specific definitions of ecosystems and that physiological processes were responsible for their development and persistence. [2]

6. Ecological network - Wikipedia

   en.wikipedia.org/wiki/Ecological_network

   This ultimately links the structure of these ecological networks to the behaviour of individual organisms. [6] Degree distribution: the degree distribution of an ecological network is the cumulative distribution for the number of links each species has. The degree distributions of food webs have been found to display the same universal ...

7. Biogeochemical cycle - Wikipedia

   en.wikipedia.org/wiki/Biogeochemical_cycle

   These models are often used to derive analytical formulas describing the dynamics and steady-state abundance of the chemical species involved. The diagram at the right shows a basic one-box model. The reservoir contains the amount of material M under consideration, as defined by chemical, physical or biological properties.