Temperate deciduous forest

Temperate deciduous or temperate broad-leaf forests are a variety of temperate forest 'dominated' by trees that lose their leaves each year. They are found in areas with warm moist summers and cool winters. The six major areas of this forest type occur in the Northern Hemisphere: North America, East Asia, Central and Western Europe (except Brittany, Cornwall, Wales, Ireland and western Scotland), Denmark, southern Sweden and southern Norway. Temperate evergreen forests occur in Australasia, New Zealand and southern South America, however they are not deciduous as their northern-hemisphere equivalents. Examples of typical trees in the Northern Hemisphere's deciduous forests include oak, maple, basswood, beech and elm, while in the Southern Hemisphere, trees of the genus Nothofagus dominate this type of forest.

resources

Humans have often colonized areas in the temperate deciduous forest. They have harvested wood for timber and charcoal.[1] During the settlement of North America, potash made from tree ashes was exported back to Europe as fertilizer. This left less than one-quarter of original forests to remain. Many forests are now small fragments dissected by fields and roads; these islands of green often differ substantially from the original forests, particularly along the edges.[2][3] The introduction of exotic diseases continues to be a threat to forest trees, and hence, the forest;[4][5] examples include the loss of chestnut and elm. At the same time, species such as deer, which are clearing rather than true forest animals, have expanded their range and proliferated in these altered landscapes.[6] Large deer populations have deleterious effects on tree regeneration overall, but particularly for edible species including yew, yellow birch, and hemlock. Deer grazing also has significant negative effects on the number and kind of herbaceous flowering plants.[7] The continuing pressure to increase deer populations, and the continued killing of top carnivores, suggests that overgrazing by deer will continue to be a significant forest conservation problem. Objective criteria for the restoration of deciduous forest include large trees, coarse woody debris, spring ephemeral, and top predators.[8]


  • Forests maintain water flow in streams.
  • A mature elm tree
  • Young deciduous forest
  • Nothofagus antarctica in summer
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See also

References
  1. Hughes, J. D. 1982. Deforestation, erosion, and forest management in ancient Greece and Rome. Journal of Forest History 26: 60–75.
  2. Wilcove, D. S., C. H. McLellan, and A. P. Dobson. 1986. Habitat fragmentation in the temperate zone. pp. 237–256. In M. E. Soul´e (ed.) Conservation B; the Science of Scarcity and Diversity. Sunderland: Sinauer Associates.
  3. Harris, L. D. 1984. The Fragmented Forest: Island Biogeography Theory and the Preservation of Biotic Diversity. Chicago: University of Chicago Press.
  4. Mark, Howden; Julian, Gorman (1999). "Impacts of global change on Australian temperate forests: Working Paper 99/08". Environmental Science. Retrieved 21 April 2020.
  5. Little, C. E. 1995. The Dying of the Trees: The Pandemic in America’s Forests. New York: Penguin Books.
  6. Latham, R. E., J. Beyea, M. Benner, C.A. Dunn, M. A. Fajvan, R.R. Freed, M. Grund, S. B. Horsley, A. F. Rhoads, and B. P. Shissler. 2005. Managing White-tailed Deer in Forest Habitat from an Ecosystem Perspective: Pennsylvania Case Study. Harrisburg: Audubon Pennsylvania and Pennsylvania Habitat Alliance.
  7. Latham, R. E., J. Beyea, M. Benner, C.A. Dunn, M. A. Fajvan, R.R. Freed, M. Grund, S. B. Horsley, A. F. Rhoads, and B. P. Shissler. 2005. Managing White-tailed Deer in Forest Habitat from an Ecosystem Perspective: Pennsylvania Case Study. Harrisburg: Audubon Pennsylvania and Pennsylvania Habitat Alliance.
  8. Keddy, P.A. and C. G.Drummond. 1996. Ecological properties for the evaluation, management, and restoration of temperate deciduous forest ecosystems. Ecological Applications 6: 748–762.

f biome distribution] (Temperate Deciduous Forest is in dark green)

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