Community structure and positive interactions in constraining environments

Article Abstract:

The study shows the direct experimental measure of neighbors' effect which showed the positive interactions among species prevailed in communities where positive species associations dominated. The result provides a link between spatial patterns and species interactions, where aggregations points to positive interactions and segregations to competitive or interference effects, facilitation appears as a relevant process shaping communities under environmental constraints.

California, Analysis, Physiological aspects, Adaptation (Physiology), Physiological adaptation, Savannas

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Rethinking plant community theory

Article Abstract:

Plant communities are traditionally viewed as either a random collection of individuals or as organismal entities. An attempt is made to assert that an explicit re-consideration f fromal community theory must incorporate interactions that are recently been prominent in plant ecology, namely facilitation and indirect effects among competitors.

Botany, Plant ecology, Plant communities

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Changes in plant interactions along a gradient of environmental stress

Article Abstract:

Research indicates that environmental stress in plant populations manifests as a decline in facilitation, instead of changes in competition, and correspond to abiotic conditions. Studies were performed on the Spanish leguminous shrub Retama sphaerocarpa and associated understorey plant species.

Spain, Statistical Data Included, Habitat partitioning (Biology), Habitat partitioning (Ecology), Vegetation dynamics, Plant competition, Plant populations

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