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EFFECTS OF SEDIMENTATION ON THE ALGAL FLORA OF A SMALL RECREATIONAL IMPOUNDMENT 1
Author(s) -
Samsel G. L.
Publication year - 1973
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1973.tb05853.x
Subject(s) - sedimentation , nutrient , productivity , environmental science , chlorophyll a , primary productivity , hydrology (agriculture) , algae , sediment , zoology , ecology , biology , geology , botany , paleontology , geotechnical engineering , economics , macroeconomics
Investigations were initiated to evaluate the effects of sedimentation on the algal composition, primary productivity rates and chemical nutrient concentrations of a 17 acre recreational impoundment in central Virginia. Comparisons during the winter seasons of 1972–1973 indicated that as a result of sedimentation, from lake front home construction, the total numbers of algal genera in the lake decreased from 24 to 16, productivity as measured by 14 CO 2 and total extractable chlorophyll decreased two fold, and several important nutrients, i.e. NH4 + ‐N, SiO 2 and PO 4 ‐P increased significantly.