搜索结果: 31-45 共查到“海洋科学 the ecosystem”相关记录53条 . 查询时间(0.255 秒)
Second Global Conference on Large Marine Ecosystem
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2008/1/4
Second Global Conference on Large Marine Ecosystems 第二届大海洋生态系全球大会
网址链接： http://www.ysfri.ac.cn/GLME-Conference2-Qingdao/
Flooding and arsenic contamination: Influences on ecosystem structure and function in an Appalachian headwater stream
Flooding arsenic contamination ecosystem structure
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2014/4/22
We investigated the influence of flooding and chronic arsenic contamination on ecosystem structure and
function in a headwater stream adjacent to an abandoned arsenic (As) mine using an upstream (ref...
A biodiversity-inspired approach to aquatic ecosystem modeling
biodiversity-inspired approach aquatic ecosystem
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2014/4/22
Current aquatic ecosystem models accommodate increasing amounts of physiological detail, but marginalize the role of biodiversity by aggregating multitudes of different species. We propose that at pre...
The effect of long-term spatiotemporal variations in urbanization-induced eutrophication on a benthic ecosystem, Osaka Bay, Japan
spatiotemporal variations urbanization-induced eutrophication a benthic ecosystem Osaka Bay Japan
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2014/4/22
Detailed spatiotemporal patterns of the influence of urbanization-induced eutrophication on a metazoan benthic community in Osaka Bay were determined using sediment cores and fossil ostracode assembla...
Top-down and bottom-up controls on sediment organic matter composition in an experimental seagrass ecosystem
Top-down bottom-up controls sediment organic matter composition an experimental seagrass ecosystem
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2014/4/21
We tested the singular and interactive effects of resource availability (light) and community composition (food chain length and herbivore species richness) on eelgrass (Zostera marina) ecosystem prop...
Copepod biodiversity as an indicator of changes in ocean and climate conditions of the northern California current ecosystem
Copepod biodiversity ocean and climate conditions
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2014/5/5
We evaluated copepod taxonomic diversity as a potential biological indicator of ocean conditions in the
northeast Pacific Ocean using data collected biweekly between May 1996 and December 2004 and fr...
A new numerical technique for tracking chemical species in a multisource, coastal ecosystem applied to nitrogen causing Ulva blooms in the Bay of Brest (France)
tracking chemical species multisource
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2014/4/30
A new numerical technique is presented that allows the tracking of any chemical element from any source in a
simulated foodweb, for instance assessing the proportion of these sources (river loadings,...
Seasonal diel variations of picoplankton and nanoplankton in a subtropical western Pacific coastal ecosystem
Seasonal diel variations picoplankton and nanoplankton subtropical western Pacific coastal ecosystem
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2014/5/9
We analyzed seasonal and diel fluctuation patterns of heterotrophic bacteria, Synechococcus spp., and nanoflagellates at a coastal station at the southern edge of the East China Sea. Synechococcus spp...
Nitrogen processing in a tidal freshwater marsh: A whole-ecosystem 15 N labeling study
Nitrogen processing tidal freshwater marsh
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2014/5/13
We quantified the fate and transport of watershed-derived ammonium in a tidal freshwater marsh fringing the nutrientrich Scheldt River in a whole-ecosystem 15
N labeling experiment.
15
N-NH w...
Secondary production of a dominant oligochaete (Monopylephorus rubroniveus) in the tidal creeks of South Carolina and its relation to ecosystem characteristics
Secondary production a dominant oligochaete tidal creeks of South Carolina relation ecosystem characteristics
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2014/5/9
Measurements of the annual production of the oligochaete Monopylephorus rubroniveus, microphytobenthos, pore-water ammonia, sediment composition, and water quality were made from January through Decem...
Linking ecosystem dynamics and biogeochemistry: Sinking fractionation of organic carbon in a Swedish fjord
Linking ecosystem dynamics biogeochemistry Sinking fractionation organic carbon a Swedish fjord
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2014/5/9
We studied the growth and sedimentation of a phytoplankton bloom in the Gullmar Fjord in spring 2001. Sinking fractionation, as measured by differential sinking of components having varied carbon isot...
Chemical characteristics of dissolved organic matter in an oligotrophic subtropical wetland/estuarine ecosystem
Chemical characteristics dissolved organic matter oligotrophic subtropical wetland estuarine ecosystem
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2014/5/8
Fluorescence properties of whole water samples and molecular characteristics of ultrafiltrated dissolved organic matter (UDOM > 1,000 D) such as lignin phenol and neutral sugar compositions and 13C nu...
Tidal dynamics of dissolved and particulate matter and bacteria in a tidal flat ecosystem in spring and fall
Tidal dynamics of dissolved particulate matter bacteria in a tidal flat ecosystem spring and fall
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2014/5/19
Tidal flat ecosystems are highly dynamic environments with tremendous short-term and long-term changes in physical, chemical, and biological properties. We measured salinity, temperature, oxygen, dry ...
Relationship between sediment organic matter, bacteria composition, and the ecosystem metabolism of alpine streams
Relationship between sediment organic matter bacteria composition the ecosystem metabolism alpine streams
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2014/5/19
We tested whether sediment bacteria abundance (4',6-diamidino-2-phenylindole-stained cell counts) were related to sediment organic content (ash-free dry mass [AFDM]) in 11 nonforested streams of three...
Floods can cause large interannual differences in littoral net ecosystem productivity
interannual differences littoral net ecosystem productivity
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2014/5/19
Littoral wetlands comprise a terrestrial to aquatic continuum along which carbon dioxide is exchanged with the
atmosphere and organic carbon is transferred to lakes. Net ecosystem productivity—the di...