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Nitrogen cycling rates and light effects in tropical Lake Maracaibo, Venezuela
Author(s) -
Gardner Wayne S.,
Cavaletto Joann F.,
Bootsma Harvey A.,
Lavrentyev Peter J.,
Troncone Federico
Publication year - 1998
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1998.43.8.1814
Subject(s) - ammonium , environmental chemistry , cycling , heterotroph , nutrient , nitrate , chlorophyll a , phytoplankton , chemistry , biomass (ecology) , nitrification , zoology , nitrogen , ecology , biology , botany , bacteria , genetics , archaeology , organic chemistry , history
Isotope dilution experiments with 15 NH 4 + were conducted in Lake Maracaibo, Venezuela, to examine potential N turnover rates and light effects and to examine the hypothesis that nutrient dynamics are biologically driven in this tropical, hypcreutrophic lake. Ammonium and nitrate concentrations were both
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