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Chemical Properties of Soils and Streams in Natural and Disturbed Forest Ecosystems in the Ouachita Mountains

机译：瓦希塔山自然和扰动森林生态系统土壤和河流的化学特征

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One year of pre-harvest and five years of post-harvest water chemistry data were collected and analyzed for NO3-N, TKN, TP, OP, K and Ca on nine small watersheds in the Ouachita Mountains of central Arkansas. Gross exports of all nutrients except TKN were significantly increased by clearcutting followed by mechanical site preparation and broadcast burning of slash. Discharge-weighted nutrient concentrations were increased only for OP, K and Ca. Because of the possible threat to soil fertility by the leaching effects of acid deposition, foresters should be especially vigilant in their efforts to protect site productivity where soils are low in base cations.

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作者
Beasley, R. S. ; Miller, E. L. ; Lawson, E. R.;
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年度 1987
页码 1-101
总页数 101
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Hydrology; Nutrients; Forest land; Water pollution; Acidity; Water chemistry; Concentration(Composition); Nitrogen; Potassium; Calcium; Soil fertility; Precipitation(Chemistry); Ouachita Mountains; Arkansas; Cations;

机译：水文;营养;林地;水污染;酸度;水化学;浓度（成分）;氮;钾;钙;土壤肥力;降水（化学）; Ouachita山;阿肯色州;阳离子;

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Chemical Properties of Soils and Streams in Natural and Disturbed Forest Ecosystems in the Ouachita Mountains

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