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Unformatted text preview: the stringent environmental conditions. In other words, not everyone can live there due to the specialized adaptations required by the environment. Disturbance of a Community The basic effect of human activity on communities is community simplification , an overall reduction of species diversity. Agriculture is a purposeful human intervention in which we create a monoculture of a single favored (crop) species such as corn. Most of the agricultural species are derived from pioneering communities. Inadvertent human intervention can simplify communities and produce stressed communities that have fewer species as well as a superabundance of some species. Disturbances favor early successional (pioneer) species that can grow and reproduce rapidly....
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- Fall '10