Food Webs/ Trophic Structure
Trophic structure and the importance of terrestrial wetland producers for aquatic food webs in tropical Australian estuaries
... In a first study, stable isotope analysis of carbon and nitrogen were used to analyse processes of energy flow and assess the extend to which carbon fixed by terrestrial plants is incorporated into adjacent aquatic ...
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Trophic structure and the importance of terrestrial wetland producers for aquatic food webs in tropical Australian estuaries
... and food web structures are more or less consistent between similar systems, and between seasons in the same ...in food and habitat availability, which in turn affect the dynamics of the whole community ...
242
Hydrodynamic regulation of salt marsh contributions to aquatic food webs
... marsh trophic structure across this broad region, we aimed to produce food webs with dominant produc- ers and consumers representing the key functional groups common to all sites, rather than ...
16
Accumulation of mercury in estuarine food webs: biogeochemical and ecological considerations
... the trophic position of the species and the route of biomass acquisition (Wang, 2002; Chen et ...with trophic level (Beneditto et ...against trophic position is almost absent from recent research ...
148
From neurons to epidemics : how trophic coherence affects spreading processes
... that food webs – or networks of predation – have a trophic structure, a hierarchy of plants, herbivores, omnivores, primary carnivores, and so on up to top predators, defined by how many steps ...
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Accumulation of mercury in estuarine food webs: biogeochemical and ecological considerations
... the trophic position of the species and the route of biomass acquisition (Wang, 2002; Chen et ...with trophic level (Beneditto et ...against trophic position is almost absent from recent research ...
190
Habitat complexity influences the structure of food webs in Great Barrier Reef seagrass meadows
... We analyzed abundance and body mass of individual animals using a maximum likeli- hood estimation (MLE) for the slope exponent, b, of the size spectra (M b ) and its associated standard error (SE; Edwards et al. 2017, ...
12
Consumer-resource body-size relationships in natural food webs
... size structure with high body-mass ratios in pelagic ecosystems, where energy flows from small phytoplankton to large predatory ...on trophic interactions are less pronounced than in aquatic ...physical ...
7
The application of network analysis to assess the structure and function of aquatic food webs : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Ecology at Massey University, Manawatu, New Zealand
... when webs were rebalanced via predator-control cascades or with averaged dynamics (Table ...in food webs including interspecific competition, trophic cascades, apparent competition, mutual ...
201
Body size distributions and diet breadth : stream food web proxies and predictions across a contaminant gradient
... detailed food webs, it is necessary to analyze the diets of a large number ...required, food web nodes are often aggregated to higher taxonomic or functional levels ...groups, trophic guilds; ...
145
Drought alters the structure and functioning of complex food webs.
... For basal species, the relative width of bars on the x-axis is proportional to total consumption by invertebrates total outflows from each resource to consumers, and for this trophic lev[r] ...
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Short Term International Study For Teachers As A Form of Experiential Learning: A Case Study of American Educators in Turkey
... ocean, trophic interactions modify the carbon fixed by phytoplankton via photosynthesis and thus regulate the magnitude of particulate carbon export; these interactions constitute the “biological ...each ...
214
Where are the parasites in food webs?
... whole food webs have also unearthed some potentially interesting patterns in topo- logical structure [116-118], and certain features of the network may facilitate parasite ...in food web ...
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The origin of motif families in food webs
... model food webs may provide some ...a food web will necessarily mean that a higher propor- tion of consumers will feed on these basal ...long food chains in the trophic hierarchy and ...
12
Relating trophic resources to community structure: a predictive index of food availability
... relative trophic resources available to each trophic group in the ecosystems tested, coinciding with the most abundant trophic resources, or the trophic groups feeding on them, at several ...
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The robustness, link species relationship and network properties of model food webs
... the structure of the constructed food webs ...network structure. They find that for most species trophic height (referred to in this paper as prey-averaged trophic level or PATL) ...
32
Reviews and syntheses: Insights into deep sea food webs and global environmental gradients revealed by stable isotope (δ15N, δ13C) and fatty acid trophic biomarkers
... deep-sea food webs inferred by bulk stable isotope and FA analyses, providing guidance for future stud- ies and a glimpse at global-scale patterns in the biochemi- cal composition of deep-water organisms ...
20
Food Chains-Trophic Levels and Ecological Pyramids
... FOOD CHAINS primary consumer primary consumer tertiary consumer tertiary consumer quaternary consumer quaternary consumer secondary consumer secondary consumer grass grass- hopper frog s[r] ...
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Trophic coherence determines food web stability
... in food-web inference techniques, it is often hard to ascertain from observation whether a given species consumes an- other (and even more difficult to quantify the extent of ...the food webs we have ...
57
Effect of Organic and Inorganic Nutrient Loading on Photosynthetic and Heterotrophic Plankton Communities in Blackwater Rivers
... Carlough, L.A. Origins, structure, and trophic significance of amorphous seston in a blackwater river.. Protozoans in two southeastern blackwater rivers and their importance to trophic[r] ...
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