Impact of forest fragmentation on seedling abundance in a tropical rain forest

Article Abstract:

An association between forest fragmentation and abundance of tree seedlings was found in a study of three sites near Manaus, Brazil. Habitats ranged from continuous forest to fragments of 100-ha, 10-ha, and 1-ha. Seedling density exhibited a significant decline from continuous forest to fragmented areas. Edge effects were more significant than area effects. The effect may be accounted for by increased tree mortality, increased seed predation, lower output and dispersal of seeds, and reduced seedling establishment in forest fragments.

Trees, Trees (Plants), Rain forest ecology, Seedlings, Manaus, Brazil

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Recovery and management committees for lion tamarins: partnerships in conservation planning and implementation

Article Abstract:

Conservation planning for the endangered lion tamarins (Leontopithecus) in Brazil is guided by four international committees recognized as technical advisors by the Brazilian government. This example indicates what can be done through combining science, politics, environmental education, habitat preservation, and interactive population management with a team-based approach that is multidisciplinary and multinational.

Management, Natural history, Wildlife conservation, Leontopithecus rosalia, Golden lion tamarin

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Recovery of Soil Macrofauna Communities after Forest Clearance in Eastern Amazonia, Brazil

Article Abstract:

The role of fallows in soil macrofauna conservation is examined, using cleared and undisturbed forest plots in Brazil as an illustration. Fallows were found to be closest to undisturbed forests in species richness, unlike lands converted to pastures, which demonstrated low species richness.

Science & research, Forest ecology, Soil ecology, Soil biology, Fallowing

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