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342
An Assessment of the MTR Aquatic Plant
, 2001
"... Mean Trophic Rank (MTR), a new British biological macrophyte-based method for assessing trophic status of rivers was applied in Poland in 2000-2001. The occurrence and abundance of 86 aquatic plant species was recorded at 48 sites on 19 rivers in the lowland part of Poland. Forty-six of these specie ..."
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according to water chemistry were estimated to give proposals of the MTR scoring species in Poland and the indicated preference was analogous to the original Species Trophic Rank (STR) score used in the UK. The MTR system was recommended for use in biological monitoring programmes.
ORIGINAL ARTICLE The evolution of trophic structure
"... The trophic relationships of an ecological community were represented by digital individuals consuming resources or prey within a simulated ecosystem and producing offspring that may differ from their parents. When individuals meet, a few simple rules are used to decide the outcome of their interact ..."
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The trophic relationships of an ecological community were represented by digital individuals consuming resources or prey within a simulated ecosystem and producing offspring that may differ from their parents. When individuals meet, a few simple rules are used to decide the outcome
ORIGINAL PAPER Trophic niche partitioning of cryptic species of long-eared
"... bats in Switzerland: implications for conservation ..."
Nitrogen in insects: implications for trophic complexity and species diversification. American Naturalist 160
, 2002
"... abstract: Disparities in nutrient content (nitrogen and phosphorus) between herbivores and their plant resources have lately proven to have major consequences for herbivore success, consumer-driven nutrient cycling, and the fate of primary production in ecosystems. Here we extend these findings by e ..."
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Cited by 26 (0 self)
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by examining patterns of nutrient content between animals at higher trophic levels, specifically between insect herbivores and predators. Using a recently compiled database on insect nutrient content, we found that predators exhibit on average 15 % greater nitrogen content than herbivores. This difference
Nitrogen in Insects: Implications for Trophic Complexity and Species Diversification
, 2001
"... abstract: Disparities in nutrient content (nitrogen and phospho-rus) between herbivores and their plant resources have lately proven to have major consequences for herbivore success, consumer-driven nutrient cycling, and the fate of primary production in ecosystems. Here we extend these findings by ..."
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by examining patterns of nutrient content between animals at higher trophic levels, specifically between insect herbivores and predators. Using a recently compiled database on insect nutrient content, we found that predators exhibit on av-erage 15 % greater nitrogen content than herbivores. This difference
Trophic ecology of commercially important fishes
- in the Cross
, 2009
"... ABSTRACT Diet composition, Food Richness, Diet Breadth and Gut Repletion Index of 47 fish species belonging to 28 genera and 16 families consisting of 14,837 individuals in the inland wetlands of Cross River, Nigeria, were studied monthly between January 2006 and December 2007. There was variation ..."
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Cited by 1 (0 self)
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in the composition of food objects in the different species despite the similarity in the rank-order (r s = 0.996, p > 0.004). Major food item in the diet of the 46 species consist of detritus (79.9%), fish and fish fry (41.3%), insect and insect larva (41.3%), phytoplankton (26.1%), crustaceans (23.9%), mollusk
Piscivores, trophic cascades, and lake management,”
- The Scientific World Journal,
, 2002
"... The concept of cascading trophic interactions predicts that an increase in piscivore biomass in lakes will result in decreased planktivorous fish biomass, increased herbivorous zooplankton biomass, and decreased phytoplankton biomass. Though often accepted as a paradigm in the ecological literature ..."
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Cited by 8 (1 self)
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webs in nature may contain hundreds of species, each connected by multiple links of various strengths Though considered a central theory in ecology Lake Food Webs and the Trophic Cascade Two of the major food web components of freshwater lakes, plankton and fish, have historically been studied
Trophic analysis of three species of Marilia (Trichoptera: Odontoceridae) from the neotropics
"... Abstract: The trophic ecology of the aquatic insect fauna has been widely studied for the Northern temperate zone. However, the taxa originally classified within a given particular trophic group in temperate ecosystems, do not necessarily exhibit the same dietary profile beyond its geographic limits ..."
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Abstract: The trophic ecology of the aquatic insect fauna has been widely studied for the Northern temperate zone. However, the taxa originally classified within a given particular trophic group in temperate ecosystems, do not necessarily exhibit the same dietary profile beyond its geographic
Effects of taxonomic and trophic aggregation on food web properties
, 1997
"... Abstract Historically, ecologists have been more inter-ested in organisms feeding at the tops of food chains than in organisms feeding at or near the bottom. The problem of taxonomic and trophic inconsistency within and among described food webs is central to criticisms of contemporary food web rese ..."
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-nomic and trophic aggregation, eight food web proper-ties (MIN, MAX, mean chain lengths; the fractions of basal, intermediate and top species; the ratio of all links by the total number of species, L/S; and rigid circuits) were calculated and their departures from the original, unaggregated version were recorded
Results 1 - 10
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342
