Invertebrates in woodlands polluted by heavy metals: an evaluation using canonical correspondence analysis

Ground running invertebrates were sampled by pitfall trapping in woodlands with high and low aerial pollution by heavy metals. Principal component analysis calculated for the environmental variables showed degree of metal contamination to be the most important difference between the sites. Calculati...

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Veröffentlicht in:Water, air, and soil pollution air, and soil pollution, 1998-08, Vol.106 (1-2), p.17-42
Hauptverfasser: Read, H.J. (Bristol Univ. (United Kingdom). Dept. of Botany), Martin, M.H, Rayner, J.M.V
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creator Read, H.J. (Bristol Univ. (United Kingdom). Dept. of Botany)
Martin, M.H
Rayner, J.M.V
description Ground running invertebrates were sampled by pitfall trapping in woodlands with high and low aerial pollution by heavy metals. Principal component analysis calculated for the environmental variables showed degree of metal contamination to be the most important difference between the sites. Calculation of canonical correspondence analysis (CCA) for different groups of animals e.g. Diplopoda, Opiliones, Aranaea and Carabidae was carried out and produced plots which can be interpreted with respect to the pollution effect. The effect of different environmental factors on individual species or subgroups delimited by size, breeding season, diet etc. was determined. Species associating with or disassociating from high pollution levels can be identified. No clear patterns were shown when examining size or breeding season in Carabids in relation to pollution. The highly polluted woods near the main pollution source at Avonmouth are lacking in lycosid spiders, the vacant niche may be filled by a large species of ground running agelenid which may be more adaptable in habits than the lycosids. CCA plots of both Aranaea and all species pooled together show a triangular shape. This is interpreted as representing a small number of species able to adapt to high pollution levels and a larger potential number found at 'clean' sites.[PUBLICATION ABSTRACT]
doi_str_mv 10.1023/A:1004917829355
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No clear patterns were shown when examining size or breeding season in Carabids in relation to pollution. The highly polluted woods near the main pollution source at Avonmouth are lacking in lycosid spiders, the vacant niche may be filled by a large species of ground running agelenid which may be more adaptable in habits than the lycosids. CCA plots of both Aranaea and all species pooled together show a triangular shape. 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(Bristol Univ. (United Kingdom). Dept. of Botany)</au><au>Martin, M.H</au><au>Rayner, J.M.V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Invertebrates in woodlands polluted by heavy metals: an evaluation using canonical correspondence analysis</atitle><jtitle>Water, air, and soil pollution</jtitle><date>1998-08-01</date><risdate>1998</risdate><volume>106</volume><issue>1-2</issue><spage>17</spage><epage>42</epage><pages>17-42</pages><issn>0049-6979</issn><eissn>1573-2932</eissn><coden>WAPLAC</coden><abstract>Ground running invertebrates were sampled by pitfall trapping in woodlands with high and low aerial pollution by heavy metals. Principal component analysis calculated for the environmental variables showed degree of metal contamination to be the most important difference between the sites. Calculation of canonical correspondence analysis (CCA) for different groups of animals e.g. Diplopoda, Opiliones, Aranaea and Carabidae was carried out and produced plots which can be interpreted with respect to the pollution effect. The effect of different environmental factors on individual species or subgroups delimited by size, breeding season, diet etc. was determined. Species associating with or disassociating from high pollution levels can be identified. No clear patterns were shown when examining size or breeding season in Carabids in relation to pollution. The highly polluted woods near the main pollution source at Avonmouth are lacking in lycosid spiders, the vacant niche may be filled by a large species of ground running agelenid which may be more adaptable in habits than the lycosids. CCA plots of both Aranaea and all species pooled together show a triangular shape. This is interpreted as representing a small number of species able to adapt to high pollution levels and a larger potential number found at 'clean' sites.[PUBLICATION ABSTRACT]</abstract><cop>Dordrecht</cop><pub>Springer</pub><doi>10.1023/A:1004917829355</doi><tpages>26</tpages></addata></record>
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subjects AIR POLLUTION
Animal, plant and microbial ecology
Applied ecology
Araneae
arthropod communities
Biological and medical sciences
Breeding seasons
canonical analysis
Carabidae
community ecology
CONTAMINACION
CONTAMINATION
CONTROLE CONTINU
deposition
Diets
Diplopoda
Ecotoxicology, biological effects of pollution
Environmental factors
environmental impact
Environmental monitoring
FORET CLAIRE
FORMACION BOSCOSA
Fundamental and applied biological sciences. Psychology
HEAVY METALS
INVERTEBRADOS
Invertebrata
INVERTEBRATES
INVERTEBRE
METAL LOURD
METALES PESADOS
MONITORING
Opiliones
Pollution
POLLUTION ATMOSPHERIQUE
Pollution effects
Pollution levels
Pollution sources
POLUCION DEL AIRE
population ecology
Principal components analysis
south west england
Species
Studies
Terrestrial environment, soil, air
VIGILANCIA
WOODLANDS
title Invertebrates in woodlands polluted by heavy metals: an evaluation using canonical correspondence analysis
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