Long-Term Effects of Acid Rain: Response and Recovery of a Forest Ecosystem

Long-term data from the Hubbard Brook Experimental Forest, New Hampshire, suggest that although changes in stream pH have been relatively small, large quantities of calcium and magnesium have been lost from the soil complex and exported by drainage water because of inputs of acid rain and declines i...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1996-04, Vol.272 (5259), p.244-246
Hauptverfasser:	Likens, G. E., Driscoll, C. T., Buso, D. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acid deposition Acid rain Acid soils Agronomy. Soil science and plant productions Animal, plant and microbial ecology Applied ecology Atmospheric deposition Biological and medical sciences Ecosystems Ecotoxicology, biological effects of pollution Environmental aspects Forest ecology Forest ecosystems Forest soils Forests Fundamental and applied biological sciences. Psychology Organic Chemistry Pollution Precipitation Soil air Soil and water pollution Soil science Soil water Soils Storage Streams Surface water Terrestrial environment, soil, air Water Water supply
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Beschreibung
Zusammenfassung:	Long-term data from the Hubbard Brook Experimental Forest, New Hampshire, suggest that although changes in stream pH have been relatively small, large quantities of calcium and magnesium have been lost from the soil complex and exported by drainage water because of inputs of acid rain and declines in atmospheric deposition of base cations. As a result, the recovery of soil and streamwater chemistry in response to any decreases in acid deposition will be delayed significantly.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.272.5259.244