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Topic: Appalachian mixed mesophytic forests


  
  Terrestrial Ecoregions -- Appalachian mixed mesophytic forests (NA0402)
Nearctic > Temperate Broadleaf and Mixed Forests >
Mixed mesophytic forests acted as a mesic refuge during drier glacial epochs for a wide range of taxa.
The Mixed Mesophytic Forests ecoregion was based on an aggregation of several of Omernik's level III ecoregions.
www.worldwildlife.org /wildworld/profiles/terrestrial/na/na0402_full.html   (2153 words)

  
  Appalachian Mountains Encyclopedia Article @ TXbase.com (TX Base)   (Site not responding. Last check: 2007-10-17)
The Appalachian region is generally considered the geographical dividing line between the eastern seaboard of the United States and the Midwest region of the country.
The Appalachian Trail is a 2,175 mile hiking trail that runs all the way from Mount Katahdin in Maine to Springer Mountain in Georgia, passing over or past a large part of the Appalachian system.
The birth of the Appalachian ranges, some 680 million years ago, marks the first of several mountain building plate collisions that culminated in the construction of the supercontinent Pangea with the Appalachians near the center.
www.txbase.com /encyclopedia/Appalachian_Mountains   (2788 words)

  
 Terrestrial Ecoregions -- Appalachian-Blue Ridge forests (NA0403)
The Appalachian/Blue Ridge Forests ecoregion encompasses major portions of Fenneman's (1938) Blue Ridge and Ridge and Valley physiographic provinces of the central and southern Appalachians.
The forests that have returned after logging have few, if any, large treees, no chestnuts, low structural complexity, and are uncharacteristically poor in wildflowers, land snails, salamanders, and other species normally abundant and diverse in undisturbed forests.
The spruce-fir forests and portions of the mixed oak forest were subject to intensive logging in the early 1900's.
www.worldwildlife.org /wildworld/profiles/terrestrial/na/na0403_full.html   (2380 words)

  
 West Virginia Encyclopedia Article @ NVSales.com   (Site not responding. Last check: 2007-10-17)
Outside the forest to the south, the New River Gorge is a 1,000 foot (304 m) deep canyon carved by the New River.
The native vegetation for most of the state was originally mixed hardwood forest of oak, chestnut, maple, beech, and white pine, with willow and American sycamore along the state's waterways.
The underlying rock strata are sandstones, shales, bituminous coal beds, and limestones laid down in a near shore environment from sediments derived from mountains to the east, in a shallow inland sea on the west.
www.nvsales.com /encyclopedia/West_Virginia   (5471 words)

  
 Mixed Media
Mixed economy 1: In economics and politics, a '''mixed economy''' is an Economicseconomy that combi 17: nited States, have mixed economies.
Mixed martial arts 1: '''Mixed martial arts''' or '''MMA''' is a term for the co 57: The rules for most Mixed Martial Arts competitions have evolved since the 143: *[http: www.mma.tv Mixed Martial Arts TV.
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www.lottery-news.net /dust23630-mixed_media.html   (591 words)

  
 Temperate broadleaf and mixed forests   (Site not responding. Last check: 2007-10-17)
Temperate broadleaf and mixed forests are a temperate and humid biome.
Tropical and subtropical moist broadleaf forests · Tropical and subtropical dry broadleaf forests · Tropical and subtropical coniferous forests ·
Temperate broadleaf and mixed forests · Temperate coniferous forests · Boreal forests/taiga ·Tropical and subtropical grasslands, savannas, and shrublands · Temperate grasslands, savannas, and shrublands · Flooded grasslands and savannas · Montane grasslands and shrublands · Tundra ·Mediterranean forests, woodlands, and shrub · Deserts and xeric shrublands · Mangrove
www.tocatch.info /en/Temperate_broadleaf_and_mixed_forests.htm   (239 words)

  
 Scott State Forest, a Tennessee State Park
The forest is used for research including tree improvement studies, where improved strains of various species are grown and tested.
Most timber stands on the Forest are sawtimber size hardwood stands, with many of the stands at or near rotation age.
Terrestrial Ecoregions -- Appalachian mixed mesophytic forests (NA0402) - Nearctic > Temperate Broadleaf and Mixed Forests > Appalachian mixed mesophytic forests (NA0402) Hillsboro, West Virginia, USA Photograph by Michael Condon.
www.stateparks.com /scott.html   (248 words)

  
 pfly » Blog Archive » Appalachia Trip, part 12   (Site not responding. Last check: 2007-10-17)
The extraordinary forests of the southern Appalachians are relicts of an ancient mesic forest that once covered much of the temperate northern hemisphere.
The lower elevation forests are dominated by a variety of trees, including species of magnolia, oak, hickory, walnut, elm, birch, ash, basswood, maple, locust, and pine.
Higher elevation forests have yellow birch, mountain maple, sugar maple, beech, and eastern hemlock, with extensive understories of mountain laurel and rhododendron.
pfly.net /?p=36   (2907 words)

  
 Equal Earth - Paintings - Nearctic
Logging of the pine-oak forests began in the late 1800s and continues to the present, leaving less than one percent of the original forest intact.
Overgrazing, clearing of forests for timber and fuelwood, and development are the greatest threats to this region.
Even many of the national forests within this ecoregion are under heavy logging pressure, which is usually accompanied by road building and the use of pesticides and herbicides.
www.equalearth.org /nearctic1.htm   (973 words)

  
 Conservation Ecology: USDA Forest Service roadless areas: potential biodiversity conservation reserves   (Site not responding. Last check: 2007-10-17)
Based on these findings, we conclude that IRAs belonging to the U.S. Forest Service are one of the most important biotic areas in the nation, and that their status as roadless areas could have lasting and far-reaching effects for biodiversity conservation.
The lands belonging to the USDA Forest Service contain more than 80% of mammal and reptile species and more than 90% of the bird, amphibian, and fish species in the United States, including many that have been extirpated from large portions of their presettlement ranges (USDA Forest Service 1997).
The combination of increased protection of forest habitat and the potential increase in size of conservation reserves would have a positive effect on the conservation of large mammals in the western United States.
sunsite.wits.ac.za /eco/vol7/iss2/art5/main.html   (4501 words)

  
 Appalachian mixed mesophytic forests - Encyclopedia of Earth
The mixed mesophytic forests ecoregion represents one of the most biologically diverse temperate regions of the world.
Several landscape-level conservation systems have been proposed for this ecoregion and the adjacent Appalachian ecoregion, consisting of a network of core protected areas, corridors and linkage zones, and buffer zones.
Abundant populations of deer, resulting from the eradication of large predators and poorly-managed hunting programs, have been implicated in the extirpation and reduction of many understory plant species and the alteration of community structure.
www.eoearth.org /article/Appalachian_mixed_mesophytic_forests   (2281 words)

  
 Terrestrial Ecoregions -- Appalachian mixed mesophytic forests (NA0402)
The Appalachian Mixed Mesophytic Forests give us a rare glimpse of what life was like in the ancient forests that once covered much of the Northern Hemisphere.
These relicts of ancient forests are joined with a huge variety of other interesting habitat types -- glades, heath barrens, shale barrens, sphagnum bogs, and even cranberry bogs -- to make up one of the most biologically diverse temperate regions of the world.
Even many of the national forests within this ecoregion are under heavy logging pressure, which is usually accompanied by road building and the use of pesticides and herbicides.
www.nationalgeographic.com /wildworld/profiles/terrestrial/na/na0402.html   (359 words)

  
 pfly   (Site not responding. Last check: 2007-10-17)
The Appalachians are the world’s center for plethodontid salamander diversity [lungless salamanders].
It was well-wooded with, as the Forest Service website put it, “mature hardwood trees” (which I suspect is a code phrase for “this area was clear-cut less than a century ago, but the trees have grown back to a size worth logging again, but don’t expect any really big old trees”).
This extreme cultural mix that occured in Appalachia intrigued me. I theorized that it was Appalachia that saw the first truly “American” culture arise — where “American” means something new and distinct from its roots in Europe, Africa, and America.
pfly.net /index.php?paged=2   (13763 words)

  
 Appalachian mixed mesophytic forests - Wikipedia, the free encyclopedia
The Appalachian mixed mesophytic forests comprise an ecoregion in the Appalachian Mountains in eastern North America.
They are one of the most biologically diverse temperate forest regions on earth.
It shares species with the high elevation Appalachian-Blue Ridge forests to the east, the hardwood forests to the west, and the mixed hardwood/conifer forests to the south.
en.wikipedia.org /wiki/Appalachian_mixed_mesophytic_forests   (317 words)

  
 WWF - Appalachian & Mixed Mesophytic Forests - A Global Ecoregion
So many green plants grow on the Appalachian mountains, releasing tons of water vapors into the air, that they fill the air with a smoky haze.
This Global ecoregion is made up of these terrestrial ecoregions: Appalachian-Blue Ridge forests; Appalachian mixed mesophytic forests.
It is a single mountain range, one of the oldest on Earth, encompassing almost every forest type that occurs in the eastern half of North America, from mixed deciduous forests in the lowlands to spruce-fir forests, similar to boreal forests a thousand miles to the north.
www.panda.org /about_wwf/where_we_work/ecoregions/appalachian_mesophytic_forests.cfm   (350 words)

  
 Appalachian Mountains Encyclopedia Article @ TexasBase.com (Texas Base)   (Site not responding. Last check: 2007-10-17)
Streams carried rock debris downslope to be deposited in nearby lowlands.
Appalachian Mixed Mesophytic Forests images at bioimages.vanderbilt.edu (slow modem version)
TexasBase.com is designed and maintained by Kurt Karr and is hosted by pair Networks.
www.texasbase.com /encyclopedia/Appalachian_Mountains   (2788 words)

  
 Terrestrial Ecoregions -- Appalachian mixed mesophytic forests (NA0402)
The Appalachian Mixed Mesophytic Forests give us a rare glimpse of what life was like in the ancient forests that once covered much of the Northern Hemisphere.
Today, examples of these forests can be found only in eastern North America and in eastern and central China.
These relicts of ancient forests are joined with a huge variety of other interesting habitat types -- glades, heath barrens, shale barrens, sphagnum bogs, and even cranberry bogs -- to make up one of the most biologically diverse temperate regions of the world.
nationalgeographic.com /wildworld/profiles/terrestrial/na/na0402.html   (359 words)

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