Related topics: climate change · trees · carbon dioxide · fire · carbon

California's crashing kelp forest

First the sea stars wasted to nothing. Then the purple urchins took over, eating and eating until the bull kelp forests were gone. The red abalone starved. Their fishery closed. Red sea urchins starved. Their fishery collapsed. ...

US owl-killing experiment raises thorny questions

As he stood amid the thick old-growth forests in the coastal range of Oregon, Dave Wiens was nervous. Before he trained to shoot his first barred owl, he had never fired a gun.

How roots grow hair

The roots of plants can do a lot of things: They grow in length to reach water, they can bend to circumvent stones, and they form fine root hairs enabling them to absorb more nutrients from the soil. A team of researchers ...

Use the Amazon's natural bounty to save it: experts

Brazilian prize-winning climatologist Carlos Nobre is calling for a bioeconomic plan to save the Amazon by drawing on its wealth of berries and nuts—an idea championed at a key Vatican summit.

Study on climate protection: More forest, less meat

Forest protects the climate. Reforestation can decisively contribute to mitigating global warming according to the Paris Agreement. Based on simulations, researchers of Karlsruhe Institute of Technology (KIT) have studied ...

Forests on the radar

With freely available radar data from satellites, biodiversity in forests can be analysed very well. In Nature Communications, researchers report that biodiversity even of tiny insects can be reliably modeled from space.

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Forest

A forest is an area with a high density of trees. There are many definitions of a forest, based on the various criteria. These plant communities presently cover approximately 9.4% of the Earth's surface (or 30% of total land area) in many different regions and function as habitats for organisms, hydrologic flow modulators, and soil conservers, constituting one of the most important aspects of the Earth's biosphere. Although a forest is classified primarily by trees a forest ecosystem is defined intrinsically with additional species such as fungi. A woodland, with more open space between trees, is ecologically distinct from a forest.

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