Filters: Tags: Snails (X) > partyWithName: Elser, James J (X) > partyWithName: Farmer, Jack D (X)
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1. The effects of phosphorus enrichment and grazing snails on a benthic microbial community that builds stromatolic oncolites were examined in an experiment at Rio Mesquites, Cuatro Ci�negas, Mexico. Chemical analyses of stream water samples indicated that overall atomic ratios of total nitrogen (N) to total phosphorus (P) were approximately 110, indicating a strong potential for P-limitation of microbial growth. 2. Phosphorus enrichment involved addition of 5 ?mol Na2HPO4 L-1 to streamside microcosms receiving intermittent inputs of stream water while grazer manipulation involved removal of the dominant grazer, the snail Mexithauma quadripaludium. After 7 weeks, we examined responses in organic matter content,...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Blackwell,
Freshwater Biology,
nutrient limitation,
phosphorus,
snails,
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