Forest Articles

• Hurricanes and Cyclones
  Severe Weather
  Earth Science
  Climate
  Geomagnetic Storms
  Weather
   
  

  Season

  A season is one of the major divisions of the year, generally based on yearly periodic changes in weather. In temperate and polar regions generally four seasons are recognized: spring, summer, ... > more
• Water
  Oceanography
  Landslides
  Global Warming
  Floods
  Environmental Issues
   
  

  Erosion

  Erosion is the displacement of solids (soil, mud, rock and other particles) by the agents of wind, water or ice, by downward or down-slope movement in response to gravity or by living organisms (in ... > more
• Water
  Floods
  Environmental Issues
  Pollution
  Sustainability
  Landslides
   
  

  Surface runoff

  Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle. Runoff that occurs on surfaces before reaching a channel ... > more
• Fungus
  Microbes and More
  Microbiology
  Organic
  Geochemistry
  Soil Types
   
  

  Fungus

  A fungus (plural fungi) is a eukaryotic organism that digests its food externally and absorbs the nutrient molecules into its cells. Fungi are very important economically: yeasts are responsible for ... > more
• Ecology
  Ecology Research
  Nature
  Ecosystems
  Environmental Issues
  Biology
   
  

  Ecology

  Ecology, or ecological science, is the scientific study of the distribution and abundance of living organisms and how the distribution and abundance are affected by interactions between the organisms ... > more
• Water
  Geography
  Ecosystems
  Global Warming
  Ecology
  Floods
   
  

  Lake

  A lake is a body of water or other liquid of considerable size surrounded entirely by land. A vast majority of lakes on Earth are fresh water, and most lie in the Northern Hemisphere at higher ... > more
• Soil Types
  Organic
  Fungus
  Acid Rain
  Landslides
  Agriculture and Food
   
  

  Soil

  Soil is material capable of supporting plant life. Soil forms through a variety of soil formation processes, and includes weathered rock "parent material" combined with dead and living organic matter ... > more
• Exotic Species
  Invasive Species
  Botany
  Endangered Plants
  Nature
  Trees
   
  

  Kudzu

  Kudzu is a climbing, woody or semi-woody, perennial vine capable of reaching heights of 20 - 30 m (66 - 98 ft) in trees, but also scrambles extensively over lower vegetation. Kudzu is sometimes ... > more
• Near-Earth Object Impacts
  Earth Science
  Natural Disasters
  Forest
  Atmosphere
  Earthquakes
   
  

  Tunguska event

  The Tunguska event was an explosion that occurred at 60 degrees 55'N 101degrees 57'E, near the Podkamennaya (Under Rock) Tunguska River, in what is now Evenk Autonomous Okrug, at 7:17 AM on June 30, ... > more
• Air Pollution
  Acid Rain
  Geochemistry
  Organic Chemistry
  Air Quality
  Healthy Aging
   

  Nitrogen oxide

  NOx is a generic term for the various nitrogen oxides produced during combustion. They are believed to aggravate asthmatic conditions, react with the oxygen in the air to produce ozone, which is also ... > more

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