Forest Articles

• Wildfires
  Oil Spills
  Rainforests
  Trees
  Ecology Research
  Ecology
   
  

  Controlled burn

  Prescribed or controlled burning is a technique sometimes used in forest management, farming, or prairie restoration. Fire is a natural part of both forest and grassland ecology and controlled fire ... > more
• Ecology
  Agriculture and Food
  Sustainability
  Soil Types
  Ecology Research
  Nature
   

  Agroecology

  Agroecology is the science of applying ecological concepts and principles to the design, development, and management of sustainable agricultural systems. Agroecology is the science of sustainable ... > more
• Tundra
  Global Warming
  Climate
  Geography
  Forest
  Rainforests
   
  

  Tundra

  In physical geography, tundra is an area where the tree growth is hindered by low temperatures and short growing seasons. There are three types of tundra: Arctic tundra, Antarctic tundra, and alpine ... > more
• Soil Types
  Agriculture and Food
  Rainforests
  Forest
  Sustainability
  Endangered Plants
   

  Shifting cultivation

  Shifting cultivation is an agricultural system in which a person uses a piece of land, only to abandon or alter the initial use a short time later. This system often involves clearing of a piece of ... > more
• Wildfires
  Natural Disasters
  Rainforests
  Ecology Research
  Forest
  Ecology
   
  

  Wildfire

  A wildfire, also known as a forest fire, vegetation fire, grass fire, brush fire, or bushfire (in Australasia), is an uncontrolled fire often occurring in wildland areas, but which can also consume ... > more
• Global Warming
  Geochemistry
  Air Quality
  Forest
  Climate
  Earth Science
   
  

  Carbon cycle

  The carbon cycle is the biogeochemical cycle by which carbon is exchanged between the biosphere, geosphere, hydrosphere and atmosphere of the Earth. The cycle is usually thought of as four major ... > more
• Trees
  Forest
  Botany
  Rainforests
  Sustainability
  Exotic Species
   
  

  Growth ring

  Growth rings (or "tree rings" or "annular rings") can be seen in a horizontal cross section cut through the trunk of a tree. Visible rings result from the change in growth speed through the seasons ... > more
• Trees
  Botany
  Forest
  Nature
  Exotic Species
  Invasive Species
   
  

  Tree

  A tree can be defined as a large, perennial, woody plant. Though there is no set definition regarding minimum size, the term generally applies to plants at least 6 m (20 ft) high at maturity and, ... > more
• Acid Rain
  Air Pollution
  Pollution
  Air Quality
  Soil Types
  Forest
   
  

  Acid rain

  Acid rain is defined as any type of precipitation with a pH that is unusually low. Dissolved carbon dioxide dissociates to form weak carbonic acid giving a pH of approximately 5.6 at typical ... > more
• Atmosphere
  Renewable Energy
  Weather
  Climate
  Severe Weather
  Environmental Science
   
  

  Hadley cell

  The major driving force of atmospheric circulation in the tropical regions is solar heating. Because of the Earth's 23.5 ° axial tilt, the sun is never more than a few tens of degrees from ... > more
• Organic
  Soil Types
  Fungus
  Geochemistry
  Acid Rain
  Microbiology
   
  

  Soil life

  Soil life is a collective term for all the organisms living within the soil. In a balanced soil, plants grow in an active and vibrant environment. Without the activities of soil organisms, dead ... > more
• Global Warming
  Forest
  Air Quality
  Climate
  Rainforests
  Geochemistry
   
  

  Carbon dioxide sink

  A carbon dioxide (CO2) sink is a carbon reservoir that is increasing in size, and is the opposite of a carbon "source". The main natural sinks are the oceans and plants and other organisms that use ... > more

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