Trophic Structure
Determination of Trophic Structure in Selected Freshwater Ecosystems by using Stable Isotope Analysis
... web structure via stable isotope analysis is neglected in Malaysia mainly due to lack of proper facilities or ...on trophic structure was rather general, where plants were the producers and animals ...
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Macrofauna communities of the Dogger Bank (central North Sea) in the late 1990s: spatial distribution, species composition and trophic structure
... Abstract Macrofauna samples were taken in May 1996–1998 at 28 stations on the Dogger Bank (central North Sea) to describe species composition, spatial distri- bution and trophic structure of the macrofaunal ...
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Ecosystem regime shifts disrupt trophic structure
... how trophic structure of the reef fish community becomes increasingly dissimilar between alternative reef ecosystem states (regime-shifted vs recovering) with time since ...concave trophic ...
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Geochemistry, faunal composition and trophic structure in reducing sediments on the southwest South Georgia margin
... and trophic structure in these settings is very limited and here we present for the first time a comprehensive study of geochemical and faunal characteristics of reducing sediments from the Southern ...
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Local Dispersal and Coexistence in a Metacommunity Model with Trophic Structure
... single trophic level ...before trophic structure is ...that trophic structure in general depends on some degree of long-distance dispersal in order to ...
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Trophic structure of the benthic invertebrate community in the littoral zone of a mountain cascade system
... of trophic structure in the benthic fauna of inshore zone seems to be of crucial importance for the trophic web ...nosis structure and for establishing backgrounds against which future changes ...
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Deep-reef fish communities of the Great Barrier Reef shelf-break: trophic structure and habitat associations
... and structure varied with depth, with a greater trophic diversity at upper mesophotic depths and increasing reliance on general carnivores at the deepest ...certain trophic groups, such as ...
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Trophic structure and the importance of terrestrial wetland producers for aquatic food webs in tropical Australian estuaries
... the trophic structure and dynamics, and in the persistence of communities through ...the trophic relationships between fish species, no study has investigated this subject in detail using stable ...
242
Trophic structure and the importance of terrestrial wetland producers for aquatic food webs in tropical Australian estuaries
... main trophic chains are indicated: (1) mangrove- microphytobenthos based; (2) plankton based; (3) and (4) seagrass- microphytobenthos based; and (5) seagrass ...
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Ecosystem regime shifts disrupt trophic structure
... Key words: coral reef fish; coral bleaching; functional group; habitat degradation; mesopredator; trophic level; trophic pyramid; coral reef ecology.. Regime shifts have been documented [r] ...
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An ecological assessment of the trophic structure of York Pond in Coos County Milan, NH, Christopher R. Peter
... Summary - York Pond clearly fits the classification of a eutrophic lake based on its total phosphorus, chlorophyll and Secchi disk depth measurements. The most likely cause of eutrophication is the untreated effluent ...
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Orbitally induced cycles in benthonic foraminif era1 morphogroups and trophic structure distribution patterns from the Late Albian "Amadeus Segment" (Central Italy)
... The cyclical assemblage changes recognized in the Amadeus Segment are, probably, a result of cyclical changes in both oxygen content and primary productivity induced by [r] ...
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Human disruption of coral reef trophic structure
... Mean trophic pyramid shape is depicted based on the relative difference in biomass among trophic positions for 1.0 log total biomass units along the biomass gradient.. See also Figure S1[r] ...
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Factors mediating structure and trophic interactions of estuarine nekton communities
... community structure may be compromised and simplified through extirpation of non- tolerant ...monitoring trophic structure of food webs that experience varying flow management strategies, for ...
223
Understanding patterns and processes in models of trophic cascades
... of trophic cascades is a goal of most ecosystem models, and yet the sensitivity of simulated cascade properties to forms of density-dependent regulation has rarely if ever been taken into ...
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Protistan-copepod Trophic Interactions in Bogue Sound, NC.
... Protists are the main primary producers (i.e. phytoplankton) in marine and coastal waters and also major consumers (e.g. ciliates) of phytoplankton. These organisms, in turn are consumed by larger zooplankton (i.e. ...
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Quantifying the trophic linkages of Antarctic marine predators
... A potential reduction in Antarctic krill in the Western Antarctic Peninsula (WAP) region has been linked to a reduction in sea-ice (Atkinson et al. 2004), mediated through the effects of increased climatic variability in ...
191
Contaminant and Trophic Dynamics of Tropical Stream Ecosystems.
... Pollution in Puerto Rico streams is not severe, with only a few localized exceptions, and consequently, it was challenging to elucidate contaminant trophic dynamics. PCBs were detected most frequently of all the ...
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Trophic coherence determines food web stability
... of Fig. S11 we show the average and standard deviations of R thus defined for three different levels of noise – σ = 0.0, 0.2 and 0.4 – for PPM networks with the parameters of the Chesapeake Bay food web [14, 15]. We also ...
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Trophic ecology of an abundant predator and its relationship with fisheries
... predators’ trophic ecology can be via competition for available resources (Lucifora et ...predators’ trophic ecology being influ- enced by fisheries ...shark trophic ecology (Olaso et ...
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