Drainage ditches can help clean up field runoff

Vegetated drainage ditches can help capture pesticide and nutrient loads in field runoff, U.S. Department of Agriculture (USDA) scientists report. These ditches—as common in the country as the fields they drain—give farmers ...

Study suggests new method of identifying native species

(PhysOrg.com) -- A radically new way to determine whether an introduced species has become a native species - by observing the reactions of other local species - is outlined in research by the University of Sydney, using ...

Drought impedes carbon sequestration by earthworms

Soil-borne organisms, especially earthworms, break down leaves and other dead material, releasing nutrients and making the soil fertile while sequestering carbon in the soil and thus helping counteract climate change. During ...

Rosewood trees face extinction amid Madagascar's chaos

Political and social chaos and a lack of international protections have put several species of rosewood trees in Madagascar in danger of becoming extinct from illegal logging, according to a policy forum paper in the latest ...

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