Tufa Deposition in Karst Streams Can Enhance the Food Supply of the Grazing Caddisfly Melampophylax mucoreus (Limnephilidae)
Identifieur interne : 007933 ( Istex/Curation ); précédent : 007932; suivant : 007934Tufa Deposition in Karst Streams Can Enhance the Food Supply of the Grazing Caddisfly Melampophylax mucoreus (Limnephilidae)
Auteurs : Christian Kock [Allemagne] ; Alexander Meyer [Allemagne] ; Bernd Sp Nhoff [Allemagne] ; Elisabeth I. Meyer [Allemagne]Source :
- International Review of Hydrobiology [ 1434-2944 ] ; 2006-06.
Descripteurs français
- Wicri :
- topic : Biomasse.
English descriptors
- KwdEn :
- Adult biomass, Adult emergence, Adult females, Adult size, Aquarium, Biomass, Biomass increase, Body size, Caddisfly, Caddisfly larvae, Caddisfly lype phaeopa, Caddisfly melampophylax mucoreus, Calcium carbonate, Carbonate, Carbonate fragments, Carbonate tufa crusts, Crevice size, Crust, East westphalia, Emergence, Emergence time, Emergent adults, Epilithic, Epilithic biofilm, Epilithic biofilms, Females days, Food limitation, Food supply, Fossil tufa deposits, Gmbh, High amounts, Independent factors, Karst, Karst streams, Kgaa, Kock, Larva, Larval, Larval biomass, Larval biomass development, Larval cannibalism, Larval development, Larval growth, Larval growth rate, Larval stage, Life cycle, Louie creek, Lowland stream, Males days, Melampophylax, Melampophylax mucoreus, Mortality rates, Mucoreus, Organic material, Other treatment, Precipitation, Present study, Significant difference, Significant differences, Significant increase, Smaller adults, Smooth surface, Smooth surfaces, Stone surfaces, Subsequent sampling dates, Trichoptera, Tufa, Tufa crusts, Verlag, Verlag gmbh, Weinheim, Weinheim food supply.
- Teeft :
- Adult biomass, Adult emergence, Adult females, Adult size, Aquarium, Biomass, Biomass increase, Body size, Caddisfly, Caddisfly larvae, Caddisfly lype phaeopa, Caddisfly melampophylax mucoreus, Calcium carbonate, Carbonate, Carbonate fragments, Carbonate tufa crusts, Crevice size, Crust, East westphalia, Emergence, Emergence time, Emergent adults, Epilithic, Epilithic biofilm, Epilithic biofilms, Females days, Food limitation, Food supply, Fossil tufa deposits, Gmbh, High amounts, Independent factors, Karst, Karst streams, Kgaa, Kock, Larva, Larval, Larval biomass, Larval biomass development, Larval cannibalism, Larval development, Larval growth, Larval growth rate, Larval stage, Life cycle, Louie creek, Lowland stream, Males days, Melampophylax, Melampophylax mucoreus, Mortality rates, Mucoreus, Organic material, Other treatment, Precipitation, Present study, Significant difference, Significant differences, Significant increase, Smaller adults, Smooth surface, Smooth surfaces, Stone surfaces, Subsequent sampling dates, Trichoptera, Tufa, Tufa crusts, Verlag, Verlag gmbh, Weinheim, Weinheim food supply.
Abstract
We studied the effect of carbonate depositions covering stone surfaces on the growth of larvae and the biomass of subsequent adults of the grazing limnephilid caddisfly Melampophylax mucoreus (Hagen, 1861) in a laboratory rearing experiment. M. mucoreus is mainly distributed in karst streams characterized by calcium carbonate precipitations (tufa). We reared larvae of M. mucoreus on stones covered by calcareous tufa crusts as well as on stones from which these crusts were experimentally removed to assess the influence on larval growth and the subsequent adult biomass. The rough surface of the covered stones provided a higher complexity of micro‐habitats and supported algal growth compared to the smooth surface of stones without crusts. Larvae of M. mucoreus profited from the enhanced algal biofilm growth on the calcium carbonate precipitation indicated by faster larval growth and higher subsequent adult biomass. Biomass increase of larvae reared on stones covered by tufa crusts exhibited a faster biomass development (0.09 ± 0.015 mg/d) compared to the larvae reared on stones without crusts (0.06 ± 0.002 mg/d). Adult males (5.13 ± 0.25 mg) and females (7.64 ± 0.63 mg) were significantly heavier in the treatment with stones covered by tufa than their conspecifics from the treatment with uncovered stones (males: 4.26 ± 0.25 mg, p = 0.047; females: 4.96 ± 0.47 mg, p = 0.001). Additionally, males from the treatment with crust covered stones emerged significantly earlier (p = 0.003) than the males from the other treatment, whereas no significant difference was found for females. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Url:
DOI: 10.1002/iroh.200510839
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Meyer</name><affiliation wicri:level="1"><mods:affiliation>Institute of Animal Evolution and Ecology, Department of Limnology, University of Münster, Germany</mods:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institute of Animal Evolution and Ecology, Department of Limnology, University of Münster</wicri:regionArea></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">International Review of Hydrobiology</title><title level="j" type="alt">INTERNATIONAL REVIEW OF HYDROBIOLOGY</title><idno type="ISSN">1434-2944</idno><idno type="eISSN">1522-2632</idno><imprint><biblScope unit="vol">91</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="242">242</biblScope><biblScope unit="page" to="249">249</biblScope><biblScope unit="page-count">8</biblScope><publisher>WILEY‐VCH Verlag</publisher><pubPlace>Berlin</pubPlace><date type="published" when="2006-06">2006-06</date></imprint><idno type="ISSN">1434-2944</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1434-2944</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult biomass</term><term>Adult emergence</term><term>Adult females</term><term>Adult size</term><term>Aquarium</term><term>Biomass</term><term>Biomass increase</term><term>Body size</term><term>Caddisfly</term><term>Caddisfly larvae</term><term>Caddisfly lype phaeopa</term><term>Caddisfly melampophylax mucoreus</term><term>Calcium carbonate</term><term>Carbonate</term><term>Carbonate fragments</term><term>Carbonate tufa crusts</term><term>Crevice size</term><term>Crust</term><term>East westphalia</term><term>Emergence</term><term>Emergence time</term><term>Emergent adults</term><term>Epilithic</term><term>Epilithic biofilm</term><term>Epilithic biofilms</term><term>Females days</term><term>Food limitation</term><term>Food supply</term><term>Fossil tufa deposits</term><term>Gmbh</term><term>High amounts</term><term>Independent factors</term><term>Karst</term><term>Karst streams</term><term>Kgaa</term><term>Kock</term><term>Larva</term><term>Larval</term><term>Larval biomass</term><term>Larval biomass development</term><term>Larval cannibalism</term><term>Larval development</term><term>Larval growth</term><term>Larval growth rate</term><term>Larval stage</term><term>Life cycle</term><term>Louie creek</term><term>Lowland stream</term><term>Males days</term><term>Melampophylax</term><term>Melampophylax mucoreus</term><term>Mortality rates</term><term>Mucoreus</term><term>Organic material</term><term>Other treatment</term><term>Precipitation</term><term>Present study</term><term>Significant difference</term><term>Significant differences</term><term>Significant increase</term><term>Smaller adults</term><term>Smooth surface</term><term>Smooth surfaces</term><term>Stone surfaces</term><term>Subsequent sampling dates</term><term>Trichoptera</term><term>Tufa</term><term>Tufa crusts</term><term>Verlag</term><term>Verlag gmbh</term><term>Weinheim</term><term>Weinheim food supply</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Adult biomass</term><term>Adult emergence</term><term>Adult females</term><term>Adult size</term><term>Aquarium</term><term>Biomass</term><term>Biomass increase</term><term>Body size</term><term>Caddisfly</term><term>Caddisfly larvae</term><term>Caddisfly lype phaeopa</term><term>Caddisfly melampophylax mucoreus</term><term>Calcium carbonate</term><term>Carbonate</term><term>Carbonate fragments</term><term>Carbonate tufa crusts</term><term>Crevice size</term><term>Crust</term><term>East westphalia</term><term>Emergence</term><term>Emergence time</term><term>Emergent adults</term><term>Epilithic</term><term>Epilithic biofilm</term><term>Epilithic biofilms</term><term>Females days</term><term>Food limitation</term><term>Food supply</term><term>Fossil tufa deposits</term><term>Gmbh</term><term>High amounts</term><term>Independent factors</term><term>Karst</term><term>Karst streams</term><term>Kgaa</term><term>Kock</term><term>Larva</term><term>Larval</term><term>Larval biomass</term><term>Larval biomass development</term><term>Larval cannibalism</term><term>Larval development</term><term>Larval growth</term><term>Larval growth rate</term><term>Larval stage</term><term>Life cycle</term><term>Louie creek</term><term>Lowland stream</term><term>Males days</term><term>Melampophylax</term><term>Melampophylax mucoreus</term><term>Mortality rates</term><term>Mucoreus</term><term>Organic material</term><term>Other treatment</term><term>Precipitation</term><term>Present study</term><term>Significant difference</term><term>Significant differences</term><term>Significant increase</term><term>Smaller adults</term><term>Smooth surface</term><term>Smooth surfaces</term><term>Stone surfaces</term><term>Subsequent sampling dates</term><term>Trichoptera</term><term>Tufa</term><term>Tufa crusts</term><term>Verlag</term><term>Verlag gmbh</term><term>Weinheim</term><term>Weinheim food supply</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Biomasse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We studied the effect of carbonate depositions covering stone surfaces on the growth of larvae and the biomass of subsequent adults of the grazing limnephilid caddisfly Melampophylax mucoreus (Hagen, 1861) in a laboratory rearing experiment. M. mucoreus is mainly distributed in karst streams characterized by calcium carbonate precipitations (tufa). We reared larvae of M. mucoreus on stones covered by calcareous tufa crusts as well as on stones from which these crusts were experimentally removed to assess the influence on larval growth and the subsequent adult biomass. The rough surface of the covered stones provided a higher complexity of micro‐habitats and supported algal growth compared to the smooth surface of stones without crusts. Larvae of M. mucoreus profited from the enhanced algal biofilm growth on the calcium carbonate precipitation indicated by faster larval growth and higher subsequent adult biomass. Biomass increase of larvae reared on stones covered by tufa crusts exhibited a faster biomass development (0.09 ± 0.015 mg/d) compared to the larvae reared on stones without crusts (0.06 ± 0.002 mg/d). Adult males (5.13 ± 0.25 mg) and females (7.64 ± 0.63 mg) were significantly heavier in the treatment with stones covered by tufa than their conspecifics from the treatment with uncovered stones (males: 4.26 ± 0.25 mg, p = 0.047; females: 4.96 ± 0.47 mg, p = 0.001). Additionally, males from the treatment with crust covered stones emerged significantly earlier (p = 0.003) than the males from the other treatment, whereas no significant difference was found for females. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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