An Initial Classification of the Habitats of Aquatic Coleoptera in North- East England

Eyre, M. D.; Ball, Stuart G.; Foster, G. N.

doi:10.2307/2403938

Cited by 65 publications

(52 citation statements)

References 14 publications

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“…Previous studies have identified suites of species that are adapted to sites of differing physico-chemical conditions (e.g. Savage, 1982;Eyre et al, 1986). Examination of changes in both the species richness and proportion of the community composed of different taxonomic groups (Table 1) indicated that there was no simple relationship between these variables and site scores on PC axis one.…”

Section: Discussionmentioning

confidence: 96%

Spatial patterns in pond invertebrate communities: separating environmental and distance effects

Briers

Biggs

2005

Aquatic Conservation

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ABSTRACT1. The nature and extent of spatial pattern in communities has important implications for their dynamics and conservation. Previous studies of pond ecosystems, over relatively small spatial scales, have found little evidence of spatial autocorrelation of community composition. Patterns in community composition over greater spatial distances have not been documented.2. Here, data on macroinvertebrate communities and physico-chemical characteristics of 102 ponds over a 60 Â 60 km area of Oxfordshire, UK, were used to examine evidence for spatial autocorrelation in community composition and to separate the effects of environmental similarity and physical distance on community similarity.3. Overall similarity between communities was low, but showed significant positive spatial autocorrelation. There was evidence for both environmental and physical distance effects on spatial autocorrelation of community similarity. Community similarity was negatively related to differences in environmental conditions, but effects were only significant for large environmental differences.4. When environmental effects were accounted for, there was significant positive spatial autocorrelation of community composition over inter-site distances of up to 13 km. These results suggest that interactions between pond sites, potentially through dispersal, are evident over larger spatial scales than has previously been appreciated, and emphasize the need to consider spatial issues when developing strategies for pond conservation.

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Section: Discussionmentioning

confidence: 96%

Spatial patterns in pond invertebrate communities: separating environmental and distance effects

Briers

Biggs

2005

Aquatic Conservation

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“…Damp poolside areas were surveyed by creating a depression and netting the resulting puddles. The rationale behind the sampling was to continue surveying until no further species were found (Eyre et al 1986). All plants present in the pond up to the winter high water level were recorded to species.…”

Section: Pond Survey Methodsmentioning

confidence: 99%

Environmental correlates of plant and invertebrate species richness in ponds

2011

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Ponds (lentic water bodies <2ha) constitute a considerable biodiversity resource. Understanding the environmental factors that underlie this diversity is important in protecting and managing the habitat. We surveyed 425 ponds for biological and physical characteristics with 78 of those also surveyed for chemical characteristics. A total of 277 invertebrate species and 265 plant species were found. Species richness varied between 2 and 99 (mean 27.2 ± 0.6 SE) for invertebrates and 1 and 58 (mean 20.8 ± 0.4 SE) for plants. Generalised linear models were used to investigate variables that correlate with the species richness of plants and invertebrates, with additional models to investigate insect, Coleoptera, Odonata, Hemiptera, Trichoptera and Mollusca species richness. Models performed well for invertebrates in general (R 2 =39.8%) but varied between lower-order invertebrate taxa (8.2-34.9%). Ponds with lower levels of shading and no history of drying contained higher numbers of species of plants and all invertebrate groups. Aquatic plant coverage positively correlated with species richness in all invertebrate groups apart from Trichoptera and the presence of fish was associated with high invertebrate species richness in all groups apart from Coleoptera. The addition of chemistry variables only increased the explanatory power of the model explaining plant species richness, for which phosphate was a highly significant factor. We demonstrate that the composition of biological communities varies along with their species richness and that less diverse ponds are more variable compared to more diverse ponds. Promoting a high landscape-level pond biodiversity will involve the management of a high diversity of pond types within that landscape.

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“…Two-way Indicator Species Analysis (TWINSPAN: Hill, 1979a) and Detrended Correspondence Analysis (DECORANA: Hill, 1979b) have been used to classify and ordinate lists of water beetles in North-East England (Eyre et al, 1986), East Anglia (Foster et al, 1990), and other parts of Britain (Foster and Eyre, 1992). TWINSPAN constructs ordered two-way tables of species and sites.…”

Section: Multivariate Analysismentioning

confidence: 99%

A classification and evaluation of Irish water beetle assemblages

Foster¹,

Nelson²,

Bilton

et al. 1992

Aquatic Conservation

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1.Modern records of 165 species of wetland beetle (Haliplidae, Hygrobiidae, Noteridae, Dytiscidae, Gyrinidae, Georissidae, Hydrochidae, Helophoridae, Hydrophilidae, Hydraenidae, Scirtidae, Dryopidae, Elmidae, Chrysomelidae, Curculionidae) were assembled for analysis.2. Two hundred and eighty nine modern lists of seven or more species of water beetle from sites in Ireland were subjected to multivariate analysis.3. Ten assemblage types were identified using TWINSPAN. Habitats typical of these assemblages are: A. deep rivers; B. rivers with riffles; C. puddles; D. canals and lakes with rich vegetation; E. ponds and ditches; F. turloughs; G. natural, minerotrophic fens; H. base-flushed cutover bogs; I. peat bogs; J. montane flushes. The distribution of these types is discussed. 4. Ordination of site data by DECORANA indicated that the important environmental variables dictating water beetle assemblage type in Ireland were: flow; water permanence; exposure; type of substratum. Acidity could not be isolated as a determinant, except within the analysis of assemblage types conducted using TWINSPAN. DECORANA isolated one brackish site as an outlier but salinity was not otherwise a major factor, probably because few brackish sites were included in the analysis.5. The number of modern records for each species was used to provide a provisional set of speciesquality scores. A simple rationale was devised to weight these scores in favour of relict species and against elusive species, species with short-lived adults and species primarily associated with manmade habitats. 6. The average species-quality score per site and the number of species recorded were used to rank sites within each TWINSPAN end-group. The most diverse sites with the highest quality were some turloughs, rich fens and base-flushed peat cutting complexes. Some montane lakes and flushes with relatively few species had high species-quality scores.

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An Initial Classification of the Habitats of Aquatic Coleoptera in North- East England

Cited by 65 publications

References 14 publications

Spatial patterns in pond invertebrate communities: separating environmental and distance effects

Spatial patterns in pond invertebrate communities: separating environmental and distance effects

Environmental correlates of plant and invertebrate species richness in ponds

A classification and evaluation of Irish water beetle assemblages

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