Natural environments favor 'good' bacteria

A new study has shown that restoring environments to include a wider range of species can promote "good" bacteria over "bad"—with potential benefits for human health.

What makes a place a home?

Invasive lionfish (Pterois volitans and P. miles) are now ubiquitous throughout the Caribbean and Western Atlantic on both shallow and deep reefs. While many invasive species disrupt natural ecosystems by spreading disease ...

Air pollution affects tree growth in Sao Paulo

As well as causing significant harm to human health, air pollution also stunts the growth of trees, one of the elements that can attenuate this typically urban environmental problem.

Size is everything, ecologist finds

Natural ecosystems are as vulnerable as they are diverse. Environmental changes such as climate change, pollution or the spread of alien species can easily throw an ecosystem off balance. Researchers are therefore investigating ...

Producing food while preserving biodiversity

In nature conservation and agriculture, there are two opposing views of how to combine high biodiversity and sustainable food production: Nature conservation should either be integrated into agricultural land, or segregated ...

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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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