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Soil may be regarded as waterlogged when it is nearly saturated with water much of the time such that its air phase is restricted and anaerobic conditions prevail. In extreme cases of prolonged waterlogging, anaerobiosis occurs, the roots of mesophytes suffer, and the subsurface reducing atmosphere leads to such processes as denitrification ...
Areas sometimes included when referencing the Appalachian region. Northern section is generally not included. Environmental issues in Appalachia, a cultural region in the Eastern United States, include long term and ongoing environmental impact from human activity, and specific incidents of environmental harm such as environmental disasters related to mining.
The sheeting of water keeps the edges of the rock wet without eroding the soil, but in this precarious location no tree or large shrub can maintain a roothold. The result is a narrow, permanently wet, sunny habitat. While a cataract bog is host to plants typical of a bog, it is technically a fen, not a bog. Bogs get water from the atmosphere ...
Difficult Run is a 15.9-mile-long (25.6 km) [1] tributary stream of the Potomac River in Northern Virginia in the United States. [2]The stream is part of a 57.7-square-mile drainage basin, or watershed, in the north-central portion of Fairfax County, Virginia.
The climate of Virginia varies according to location, and becomes increasingly warmer and humid farther south and east. [19] Most of the state has a humid subtropical climate, from the Blue Ridge Mountains and southern Shenandoah Valley to the Atlantic coast. In the Blue Ridge Mountains, the climate becomes subtropical highland. [citation needed]
Beginning at the northern end of Sinking Creek Valley and flanked by Sinking Creek Mountain and Johns Creek Mountain, Sinking Creek flows through a narrow valley of farms and pastures. With a moderate current, and access from several crossing roads, the stream offers an easy paddle for canoeists until it nears the town of Newport where it turns ...
The area is located in the Appalachian Mountains of Southwestern Virginia, about 3 miles south of New Castle, Virginia. Va 42 is on the northwest side of the area and Va 621 is on the southeast. Hall Road, Forest Road 209, follows along the southeast border. [3] [2] There are no official trails in the area. Access can be gained from Earn Knob ...
Heating of solids, sunlight and shade in different altitudinal zones (Northern hemisphere) [5] A variety of environmental factors determines the boundaries of altitudinal zones found on mountains, ranging from direct effects of temperature and precipitation to indirect characteristics of the mountain itself, as well as biological interactions of the species.
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