Pasture damage by an Amazonian earthworm

Article Abstract:

Research into pasture degradation in central Amazonia, near Manaus, Brazil, indicates that soil macrofauna can have a significant and long-term impact on the porosity of pasture soils. If tropical rainforest remains undisturbed, an extremely diverse soil macrofauna maintains an adequate soil pore volume by balance the impact of compacting and decompacting agents. Biodiversity declines significantly following deforestation and the establishment of exotic grasses, with large populations of the earthworm P. corethrurus emerging. These earthworm populations dramatically reduce macroporosity.

Research, Soil permeability

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Peaceful primates, violent acts

Article Abstract:

The bonobo (Pan paniscus) is a society of extremely peaceful primates, closely related to chimpanzee, which are extremely violent and indulge in all sorts of violent acts.

Analysis, Behavior, Chimpanzees, Social behavior in animals, Animal social behavior, Pygmy chimpanzee, Bonobo, Animal social behaviour

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