Global analysis shows soil ecosystems under stress

By statistically analyzing data from around the world, scientists have determined that multiple natural and human stressors are reducing levels of biodiversity and soil functioning in soil ecosystems. The number and specific ...

A framework to evaluate preparedness for ocean acidification

In a paper published today in the journal Environmental Research Letters, an international research team composed of scientists affiliated with more than a dozen institutions, including the California Academy of Sciences, ...

New index helps identify 55 unprotected marine protected areas

A new Paper Park Index (PPI) developed by researchers at the University of British Columbia's Sea Around Us initiative helped identify 55 marine protected areas (MPAs) across the world where enough fishing takes place to ...

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Ecosystem

An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the physical (abiotic) factors of the environment. An ecosystem is a unit of interdependent organisms which share the same habitat. Ecosystems usually form a number of food webs which show the interdependence of the organisms within the ecosystem.

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