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2002-07-08_GENERAL DOCUMENTS - M2002004 (4)
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2002-07-08_GENERAL DOCUMENTS - M2002004 (4)
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8/24/2016 2:18:41 PM
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DRMS Permit Index
Permit No
M2002004
IBM Index Class Name
GENERAL DOCUMENTS
Doc Date
7/8/2002
Doc Name
ATTACHMENT, PART 3
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HABITAT MGMT
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DRMS
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D
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POTENTIAL TOPSOILING STRATEGIES FOR ENHANCEMENT OF <br />VEGETATION DIVERSITY ON MINED LANDS <br />Edward J. DePuit <br />Range Management Division <br />University of Wyoming <br />Laramie, Wyoming <br />ABSTRACT -- Topsoiling methods may exert a strong influence on diversity <br />of vegetation on mined lands. Actual, potential, and /or hypothetical <br />effects of various topsoil application and management practices on <br />diversity both within and among plant communities are discussed. <br />Specific practices /principles addressed include direct place topsoiling, <br />supplemental top- dressing, multiple lift topsoiling, topsoil management, <br />topsoil depth, and selective soil handling. <br />Vegetation Diversity on Mined Lands <br />INTRODUCTION <br />Reclamation of coal surface mined lands in the Northern Great <br />Plains has proven to be a complex, multi- faceted endeavor. Because of <br />the interdependence and synergism among the various specific aspects/ <br />processes of reclamation, the necessity of a "holistic," entire - system <br />approach has been recognized for some time (51). The interrelationship <br />of vegetation and soil management technology is obvious. Schafer and <br />Nielsen (45) noted that reclamation practices should strive to create <br />soil landscapes conducive to development of desired types of plant <br />communities over time, and conversely, that such plant community <br />succession may influence soil genesis. <br />Although questions and controversy exist on its immediate feasi- <br />bility (17) or absolute value (18), adequate vegetation diversity <br />currently remains an important consideration in Northern Great Plains <br />reclamation. Potential benefits of vegetation diversity to ecosystem <br />function on disturbed lands often have been cited (32, 27, 10, 41), and <br />will not be reiterated here. As noted by Moore et al. (28), however, <br />the classically hypothesized direct relationship between diversity and <br />ecosystem stability /successional status may be as open to question on <br />mined lands as elsewhere. <br />Conceptually, two broad levels of vegetation diversity should be <br />considered in mined land revegetation. The first of these involves <br />diversity within individual plant communities established on mined <br />lands (i.e., " intra"- community, or alpha, diversity). Overall diversity <br />within communities is influenced by both numbers of species present <br />(floristic richness) and the relative equity of composition /distribution <br />among species or growth forms (evenness), and has been the concept of <br />diversity most emphasized in mined land reclamation. The second concept <br />of vegetation diversity relates to the number, characteristics, and <br />spatial distribution of different individual plant communities over a <br />landscape (i.e., "inter " - community, or habitat diversity). Laycock (22) <br />258 <br />
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