Bacterivory by benthic organisms in sediment: Quantification using15N-enriched bacteria
نویسندگان
چکیده
منابع مشابه
Bacterivory by benthic organisms in sediment : 1 quantification using 15 N enriched bacteria
11 The fate of benthic bacterial biomass in benthic food webs is a topic of major importance 12 but poorly described. This paper describes an alternative method for evaluation of bacterial 13 grazing rate by meiofauna and macrofauna using bacteria pre-enriched with stable isotopes. 14 Natural bacteria from the sediment of an intertidal mudflat were cultured in a liquid medium 15 enriched with 1...
متن کاملBacterivory by benthic organisms in sediment: quantification using 15N enriched bacteria
11 The fate of benthic bacterial biomass in benthic food webs is a topic of major importance 12 but poorly described. This paper describes an alternative method for evaluation of bacterial 13 grazing rate by meiofauna and macrofauna using bacteria pre-enriched with stable isotopes. 14 Natural bacteria from the sediment of an intertidal mudflat were cultured in a liquid medium 15 enriched with 1...
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Mercury is a widespread contaminant in marine food webs, and identifying uptake pathways of mercury species, CH3Hg(+) and Hg(2+), into low trophic level organisms is important to understanding its entry into marine food webs. Enriched stable isotope tracers were used to study benthic vs. pelagic pathways of CH3Hg(+) and Hg(2+) uptake via food to the infaunal estuarine amphipod, Leptocheirus plu...
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As part of the Microbent-PNEC Program: ‘‘Biogeochemical processes at the wateresediment interface in eutrophicated environment’’, the aim of this work was to specifically investigate and quantify the relationships between macrobenthos and sediment reworking in the Thau Lagoon in order to provide information on the potential contaminant distribution and movements at the wateresediment interface....
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W ithout bacteria, life on earth could not exist in its present form. Bacteria are key play ers in many geochemical processes, including the fundamental nitrogen, carbon and sulfur cycles, which are critical to the circulation of life's basic elements. If these processes were to grind to a halt, the planet's soils, wa ters and atmosphere would become inhospitable for life. Yet in spite of suc...
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ژورنال
عنوان ژورنال: Journal of Experimental Marine Biology and Ecology
سال: 2008
ISSN: 0022-0981
DOI: 10.1016/j.jembe.2007.11.012