An Ecosystem Approach to Aquatic Ecology: Mirror Lake and by Gene E. Likens, F. Herbert Bormann (auth.), Gene E. Likens PDF

By Gene E. Likens, F. Herbert Bormann (auth.), Gene E. Likens (eds.)

ISBN-10: 1461385571

ISBN-13: 9781461385578

ISBN-10: 1461385598

ISBN-13: 9781461385592

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Additional info for An Ecosystem Approach to Aquatic Ecology: Mirror Lake and Its Environment

Sample text

Drift as much as 24 m thick also fills the bedrock valley on the south side of Mirror Lake. ' ---12 lI .... of equal thlckne •• of glacial ckift. lTad. Inlenllli ver labla. "~I .. A-S. Drift thickness. tiOO MeIer. I 46 cesses in the Hubbard Brook and Pemigewasset Valleys. These data indicate that geologic materials along most of the south side of Mirror Lake, except near the outlet dam, consist of glacial drift.

G 1976-77 (Likens et al. 1983). h 1976-77, 1979 to 1981. i 1967 to 1980. 0 charges/mole. 4 charges/mole. E). B-6 and 7). Monthly volume-weighted concentrations of hydrogen ion, sulfate, ammonium, DOC, phosphorus and to lesser extent K+, have maximum values in the summer and minimum values in the winter; Mg2+, Ca2+, Na+, K+ and Cl- have peaks in concentration during the autumn, possibly in relation to the occurrence of coastal storms; Ca2+ and N0 3- concentrations are relatively low from June to February and then reach maximum concentrations during the spring.

S. (Leopold et al. g. Gibbs 1967), and as a result affect the input into lakes. Outputs ofwater, particulate matter and dissolved substances from the forest-ecosystem are inputs to streamecosystems, where they are transported downstream (to the lake in this discussion). Streams are not merely passive conduits, but are active ecosystems exercising some degree of biotic and abiotic regulation over the timing, quantity and quality of water, particulate matter and dissolved substances moving downstream (Likens 1984).

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An Ecosystem Approach to Aquatic Ecology: Mirror Lake and Its Environment by Gene E. Likens, F. Herbert Bormann (auth.), Gene E. Likens (eds.)


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