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Forest
A forest is an area with a
high density of trees (or,
historically, a wooded area
set aside for hunting).
These plant communities
cover large areas of the
globe and function as animal
habitats, hydrologic flow
... > full story
Savanna
A savanna or savannah is a
grassland with widely spaced
trees, and occurs in several
types of biomes. In
savannas, grasses and trees
are co-dominant vegetation
types, with trees and
grasses often alternating in
... > full story
Slash and burn
Slash and burn (a specific
practice that may be part of
shifting cultivation or
swidden-fallow agriculture)
is an agricultural procedure
widely used in forested
areas. Although it was
practised historically in
... > full story
Old growth forest
Old growth forest, sometimes
called late seral forest or
ancient forest or primary
forest is an area of forest
that has attained great age
and exhibits unique
biological features. Old
growth forests typically
... > full story
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Biodiversity hotspot
A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. The term biodiversity hotspot specifically refers to 25 ... > more -
Petrified wood
Petrified wood is a type of fossil: it exists of fossil wood where all the organic materials have been replaced with minerals (most often a silicate, such as quartz), while retaining the original ... > more -
Deforestation
Deforestation is the conversion of forested areas to non-forest land use such as arable land, urban use, logged area or wasteland. Historically, this meant conversion to grassland or to its ... > more -
Evapotranspiration
Evapotranspiration (ET) is the sum of evaporation and plant transpiration. Evaporation accounts for the movement of water to the air from sources such as the soil, canopy interception, and ... > more -
Vegetation
Vegetation is a general term for the plant life of a region; it refers to the ground cover provided by plants, and is, by far, the most abundant biotic element of the biosphere. Vegetation serves ... > more -
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
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