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|a 10.1899/07-013R1.1
|2 doi
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|a (DE-627)JST050556185
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|a (JST)20491123
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a EN
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|a Maasri, Alain
|e verfasserin
|4 aut
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|a Epilithic chironomid larvae and water enrichment: is larval distribution explained by epilithon quantity or quality?
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
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|a Online-Ressource
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|a Abstract The effects of nutrient enrichment of stream water on epilithic chironomid larval assemblages were examined during spring in a Mediterranean catchment. Three reaches that differed in degree of enrichment were selected for comparison. Water chemistry, epilithon biomass (as ash-free dry mass [AFDM]), epilithic algal biomass (as chlorophyll a [chl a]), algal biovolumes, and algal composition were analyzed to determine their association with density and taxonomic composition of epilithic chironomids. Kendall’s τ coefficient of rank correlations and canonical correlation analysis were used to evaluate correlations between the chironomid and algal assemblages. Significant correlations were found between chironomid larval densities and total algal cell densities and biovolumes. Chironomid larval densities were not significantly correlated with chl a or AFDM. Several contrasting trends were identified in the relationships between chironomid and algal assemblages. Densities of fixed-tube scrapers, such as Eukiefferiella claripennis and Cricotopus bicinctus, were strongly correlated with biovolumes of Rhodophyceae and Diatomophyceae, whereas densities of free-living scrapers, such as Thienemaniella, were slightly correlated with Chlorophyceae biovolume. Therefore, nutrient enrichment strongly influenced epilithic chironomid assemblage structure through its effects on biovolumes and cell densities of the epilithic algal assemblages.
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|a © 2008 by The North American Benthological Society
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|a Chironomidae
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|a Eukiefferiella claripennis
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|a Cricotopus bicinctus
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|a water enrichment
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|a epilithic algae
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|a microhabitat scale study
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|a food availability
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4 |
|a Biological sciences
|x Biology
|x Biological taxonomies
|x Taxa
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650 |
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4 |
|a Biological sciences
|x Biology
|x Developmental biology
|x Growth and development
|x Developmental stages
|x Larvae
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650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Marine botany
|x Phycology
|x Algae
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650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Marine botany
|x Phycology
|x Algae
|x Cyanobacteria
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650 |
|
4 |
|a Physical sciences
|x Physics
|x Mechanics
|x Density
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650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Hydrology
|x Limnology
|x Surface water
|x Streams
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650 |
|
4 |
|a Social sciences
|x Food studies
|x Food security
|x Food availability
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650 |
|
4 |
|a Mathematics
|x Pure mathematics
|x Geometry
|x Surface geometry
|x Surface areas
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650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Invertebrates
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650 |
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4 |
|a Health sciences
|x Medical sciences
|x Nutritional science
|x Nutrition
|x Nutrients
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650 |
|
4 |
|a Biological sciences
|x Biology
|x Biological taxonomies
|x Taxa
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650 |
|
4 |
|a Biological sciences
|x Biology
|x Developmental biology
|x Growth and development
|x Developmental stages
|x Larvae
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650 |
|
4 |
|a Biological sciences
|x Biology
|x Botany
|x Marine botany
|x Phycology
|x Algae
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650 |
|
4 |
|a Biological sciences
|x Biology
|x Botany
|x Marine botany
|x Phycology
|x Algae
|x Cyanobacteria
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650 |
|
4 |
|a Physical sciences
|x Physics
|x Mechanics
|x Density
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650 |
|
4 |
|a Physical sciences
|x Earth sciences
|x Hydrology
|x Limnology
|x Surface water
|x Streams
|
650 |
|
4 |
|a Social sciences
|x Food studies
|x Food security
|x Food availability
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650 |
|
4 |
|a Mathematics
|x Pure mathematics
|x Geometry
|x Surface geometry
|x Surface areas
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650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Invertebrates
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650 |
|
4 |
|a Health sciences
|x Medical sciences
|x Nutritional science
|x Nutrition
|x Nutrients
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650 |
|
4 |
|a Alain
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655 |
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|a research-article
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1 |
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|a Fayolle, Stéphanie
|e verfasserin
|4 aut
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1 |
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|a Gandouin, Emmanuel
|e verfasserin
|4 aut
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1 |
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|a Garnier, Robert
|e verfasserin
|4 aut
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1 |
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|a Franquet, Evelyne
|e verfasserin
|4 aut
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0 |
8 |
|i Enthalten in
|t Journal of the North American Benthological Society
|g 27(2008), 1, Seite 38-51
|w (DE-627)355690543
|w (DE-600)2090864-7
|x 1937237X
|7 nnns
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1 |
8 |
|g volume:27
|g year:2008
|g number:1
|g pages:38-51
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4 |
0 |
|u https://www.jstor.org/stable/10.1899/07-013r1.1
|3 Volltext
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|u https://doi.org/10.1899/07-013R1.1
|3 Volltext
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|d 27
|j 2008
|e 1
|h 38-51
|