Question

state the main determinants of species richness in a community, and relate species to community stability?

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Answer 1

Answer:

The factors related to these patterns of small- scale species richness include (1) geographic factors such as scale of observation, available species pool and dispersal patterns, (2) biotic factors such as competition or predation and (3) abiotic environmental factors such as site resource availability, disturbance.

Explanation:

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Answer 2

Small-scale species richness is influenced by a variety of biotic (such as competition, predation, and facilitation), abiotic, and geographic factors (e.g. resource availability, environmental differentiability, disturbance intensity and frequency  ).

• The simplest way to assess biodiversity is species richness, which is calculated as the number of species per unit area.
• Species richness at the scale of a single community, habitat, or microhabitat is often referred to as small-scale species richness.
• Understanding how ecological communities are created and function, as well as how biodiversity is preserved, requires an understanding of the processes that influence and are affected by small-scale species richness.
• Small-scale species richness is influenced by a number of factors, including geographic ones like regional species pools, dispersal distances, and dispersal ease, biological ones like competition, facilitation, and predation, as well as environmental ones like resource availability, environmental heterogeneity, and disturbance frequency and intensity.
• With regard to the scale of observation, these elements vary in relevance. Furthermore, the small-scale richness can affect the production, stability, and invasiveness of an ecosystem.

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