منابع مشابه
Scale effects on the hydrological impact of upland afforestation and drainage using indices of flow variability
Frequent assertions by river users that rivers in northern England now rise and fall more quickly than in the past, have never been validated by analysis on catchments of more than 10 km 2. The method using indices of flow variability provides a basis for making direct measurements of the annual number and duration of pulses, i.e. rises above a given flow, and for comparing catchments of differ...
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In the words of Carole Bergmann, MNPS board member and forest ecologist for Montgomery County Parks: “Kalmia latifolia is a lovely plant all the way around. Beautiful owers, and evergreen foliage that shines in the winter sun. It often forms huge thickets, and when it gets old, it has an open sprawling habit with a peeling strip cinnamon colored bark. It lives in acidic soil. It will tolerate v...
متن کاملAfforestation and Reforestation
1. Definitions of terms 2. The particular features of forests among terrestrial ecosystems 3. Ecosystem level effects of afforestation and reforestation 4. Effects on biodiversity 5. Arguments for plantations 6. Political goals of afforestation and reforestation 7. Reforestation problems 8. Afforestation on a global scale 9. Planting techniques 10. Case studies of selected regions and countries...
متن کاملBottomland Hardwood Afforestation: State of the Art
INTRODUCTION Afforestation activities in the Lower Mississippi River Alluvial Valley (LMRAV) are currently peaking after the past four decades of extensive deforestation (Allen 1997, King and Keeland 1999, Stanturf and others 1998). Different forces drive the afforestation efforts of public resource agencies, conservation organizations, private corporations, and private landowners. Their intere...
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Biogeochemical factors contributing to enhanced carbon storage following afforestation of a semi-arid shrubland J. M. Grünzweig, I. Gelfand, and D. Yakir Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Faculty of Agricultural, Food and Environmental Quality Sciences, the Hebrew University of Jerusalem, Rehovot 76100, Israel Department of Environmental Sciences and Energ...
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ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/190136a0