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  1. Comparative water quality of lightly-and moderately-impacted streams in the southern Blue Ridge Mountains, USA

    For less-developed regions like the Blue Ridge Mountains. data are limited that link basin-scale land use with stream quality. Two pairs of lightly-impacted (90-100% forested) and moderately-impacted (7&80% forested) sub-basins of the upper Little Tennessee River basin in the southern Blue Ridge were identified for comparison. The pairs contain physically similar...

    Author(s):
    Katie Price; David S. Leigh
    Year:
    2006
    Keywords:
    appalachian, human impact, land use, mountain stream, stream, suspended sediment
    Source:
    Environmental Monitoring and Assessment, Vol. 120: 269-300

  2. Application of a DRAINMOD-based watershed model to a lower coastal plain watershed

    This is a case study for applying DRAINMOD-GIS, a DRAINMOD based lumped parameter watershed model to Chicod Creek, a 11300 ha coastal plain watershed in North Carolina which is not intensively instrumented or documented. The study utilized the current database of land-use, topography, stream network, soil, and weather data available to the State and Federal agencies....

    Author(s):
    Glenn P. Fernandez; George M. Chescheir; R. Wayne Skaggs; Devendra M. Amatya
    Year:
    2003
    Keywords:
    DRAINMOD, drainage, watershed model, water quality
    Source:
    ASAE Annual International Meeting, July 27-30, Las Vegas, Nevada, p. 1-21

  3. Physical and biological responses of streams to suburbanization of historically agricultural watersheds

    We investigated whether suburbanization influenced the physical and biological characteristics of ten 3rd-0r 4th-order streams that drain historically agricultural watersheds in the southern Appalachians near Asheville, North Carolina. Five watersheds had areas of recent suburban development proximal to stream sites, and 5...

    Author(s):
    Chris L. Burcher; E.F. Benfield
    Year:
    2006
    Keywords:
    streams, suburbanization, agriculture, macroinvertebrates, fish, Appalachia, land use, total suspended solids, landscape
    Source:
    J. N. Am. Benthol. Soc., Vol. 25(2): 356-363

  4. Shifts in allochthonous input and autochthonous production in streams along an agricultural land-use gradient

    Relative contributions of allochthonous inputs and autochthonous production vary depending on terrestrial land use and biome. Terrestrially derived organic matter and in-stream primary production were measured in 12 headwater streams along an agricultural land-use gradient. Streams were examined to see how carbon (C) supply shifts from forested streams receiving...

    Author(s):
    Elizabeth Hagen; Matthew McTammany; Jackson Webster; Ernest Benfield
    Year:
    2010
    Keywords:
    Agriculture, Land-use gradient, Metabolism, Litterfall, Gross primary production, Southern Appalachian streams
    Source:
    Hydrobiologia 655(1):61-77

  5. Inter-regional comparison of land-use effects on stream metabolism

    1. Rates of whole-system metabolism (production and respiration) are fundamental indicators of ecosystem structure and function. Although first-order, proximal controls are well understood, assessments of the interactions between proximal controls and distal controls, such as land use and geographic region, are lacking. Thus, the influence of land use on stream...

    Author(s):
    Melody J. Bernot; Daniel J. Sobota; Robert Hall; Patrick J. Mulholland; Walter K. Dodds; et al
    Year:
    2010
    Keywords:
    ecosystem respiration, land use, metabolism, primary production, stream
    Source:
    Freshwater Biology 55:1874-1890

  6. Inter-regional comparison of land-use effects on stream metabolism

    Rates of whole-system metabolism (production and respiration) are fundamental indicators of ecosystem structure and function. Although first-order, proximal controls are well understood, assessments of the interactions between proximal controls and distal controls, such as land use and geographic region, are lacking. Thus, the influence of land use on stream metabolism...

    Author(s):
    Melody J. Bernot; Daniel J. Sobota; Robert O. Hall; Patrick J. Mulholland; Walter K. Dodds; Jackson R. Webster; Jennifer L. Tank; Linda R. Ashkenas; Lee W. Cooper; Clifford N. Dahm; Stanley V. Gregory; Nancy B. Grimm; Stephen K. Hamilton; Sherri L. Johnson; William H. McDowell; Judith L. Meyer; Bruce Peterson; Geoffrey C. Poole; H. Maurice Valett; Clay Arango; Jake J. Beaulieu; Amy J. Burgin; Chelsea Crenshaw; Ashley M. Helton; Laura Johnson; Jeff Merriam; B.R. Niederlehner; Jonathan M. O'Brien; Jody D. Potter; Richard W. Sheibley; Suzanne M. Thomas; Kym Wilson
    Year:
    2010
    Keywords:
    ecosystem respiration, land use, metabolism, primary production, stream
    Source:
    Freshwater Biology. 55: 1874-1890
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