For 25 years, Carol Augspurger visited a patch of ancient woods near Urbana to look at the same 25 one-square-meter plots of earth she first demarcated for study in 1993. She surveyed the plots once a week in spring and summer, ...
Ecology
Jun 9, 2020
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180
The horn of Africa, located in the northeast of Africa, including Djibouti, Ethiopia, Eritrea and Somalia, is one of the global biodiversity hotspots recognized by United Nations Educational, Scientific and Cultural Organization ...
Plants & Animals
Mar 24, 2020
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5
Many decades of forest fire prevention and suppression has resulted in a thick buildup of organic matter on the forest floor in many regions of the United States, according to a Penn State researcher, whose new study suggests ...
Environment
Feb 24, 2020
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5
Patricia Bello-Alonso of the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has reported on experimental results for the traceological interpretation of activities carried out using stone tools made ...
Archaeology
Oct 30, 2019
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4
A scientist from the Lomonosov Moscow State University's Faculty of Biology and colleagues have explained the changes in the diet of modern Przewalski's horses that have occurred since the end of the 19th century. The results ...
Plants & Animals
Sep 12, 2017
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24
In recent decades, scientists and land managers have realized the importance of controlled forest fires for reaching specific forest management objectives. However, questions remain about how often forests should be burned. ...
Environment
Apr 18, 2017
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12
Humans have long had a knack for concentrating heavy metals that would otherwise remain at low concentrations within the environment. These human-produced pollutants can be found going back as far as one million years ago ...
Ecology
Feb 17, 2017
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24
Thanks to the analysis of fossil pollen and charcoal remains, a team of scientists has reconstructed the evolution of the vegetation from Gran Canaria between 4,500 and 1,500 years ago. The study reveals that the disappearance ...
Environment
May 5, 2016
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349
Pyrethrum is a perennial, herbaceous plant grown mainly for the production of pyrethrins. Pyrethrins have insecticidal properties and are commonly used in natural and organic products as a pest control agent. Determining ...
Plants & Animals
Jan 11, 2016
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5
When munched by grazing animals (or mauled by scientists in the lab), some herbaceous plants overcompensate - producing more plant matter and becoming more fertile than they otherwise would. Scientists say they now know how ...
Biotechnology
Nov 11, 2014
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