Listing 1 - 10 from 32 for soils and topography
Abies concolor (Gord
... and a longer growing season (54). Soils and Topography Throughout its natural range, white fir grows on a variety of soils developed from almost every kind of parent material. These materials include recent volcanic and ...
www.na.fs.fed.us
Abies grandis (Dougl
... Soils and Topography Grand fir seems to grow equally well on soils derived from a variety of parent materials, including sandstone, weathered lava (rock), or granite and gneiss. In the Pacific coast region and ...
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Slash Pine Range and Habitat
... in specific areas." Soils and Topography According to Lohrey and Kossuth (1990) : "Soils within the range of slash pine are mostly Spodosols, Ultisols, and Entisols. Spodosols and Entisols are common ... Aquults, Psamments, and Aquods. Topography varies little throughout the southeastern Coastal Plain, but small changes in elevation frequently coincide with abrupt changes in soil and site conditions. ...
ncsu.edu
Spruce Pine Range and Habitat
... and the average annual temperature is 16° C (61° F)." Soils and Topography According to Kossuth and Michael (1990) : "Spruce pine grows on acidic sandy loam soils high in organic matter, intermediate between dry sandy soils and ...
ncsu.edu More from this site
The Great American Coniferous Forest
... forest. They are equally spread geographically between east and west. Because of its great size, and because of differing climate and soils, North America is favored by a rich variety ... on earth. A combination of temperature, rainfall, and topography creates conditions favorable for growing the largest living organisms - the inland sequoias and the coast redwoods .
The Olympic rainforest of ...
forestry.about.com
temp
... and biotic diversity of forest soils, and to the processes that maintain long-term forest productivity (Maser, Tarrant, Trappe, and Franklin, 1988). 127. Logging then is reducing spatial, chemical, and biotic diversity of forest soils, and ...
home.ccil.org
temp
... and-mound topography as they are uprooted (Maser, Tarrant, Trappe and Franklin, 1988). 134. Logging is removing parts and processes of decomposition of fallen trees which releases essential elements for microbial and ... and would have added to spatial, chemical, and biotic diversity of forest soils, and to the processes that maintain long-term forest productivity (Maser, Tarrant, Trappe, and Franklin, ...
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FLORA OF NORTH AMERICA - Volume 1, Chapter 2
... remainder of this essay is directed toward the soils of North America at the order level. North American Soils Entisols The entisols are true soils and should not be confused with geologic materials ... of a vertisol habitat may become mottled with a mosaic of micromounds and depressions, referred to as "gilgai topography." Inceptisols Similar to the entisols, inceptisols may be found in almost ...
hua.huh.harvard.edu
More Information about the Research and Demonstration Centers
... soils, topography and climate. For example, pedologists have identified nearly 500 unique soil series in the state, which range in productivity and topography from flat, highly productive "Cornbelt" soils to steep, eroded, ecologically fragile soils ...
www.cropsci.uiuc.edu
Virginia Farmstead Assessment System: Livestock and Poultry Yard Management
... topography, soils and geology. Important soil characteristics include surface and subsoil texture, depth, and permeability. A very poor site has shallow soil, a high water table, or a very sandy/gravelly soil with excessive drainage and ... manure solids, and direct the remaining runoff water through filter strips, and away from streams, ditches, waterways and areas of permeable soils and fractured ...
www.ext.vt.edu