Global diversity of oligochaetous clitellates (“Oligochaeta”; Clitellata) in freshwater

Martin, Patrick; Martínez‐Ansemil, Enrique; Pinder, Adrian; Timm, Tarmo; Wetzel, Mark J.

doi:10.1007/s10750-007-9009-1

Cited by 108 publications

(74 citation statements)

References 48 publications

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“…However, for simplicity, the term Oligochaeta is used in this article in its formerly accepted meaning, namely the Clitellata exclusive of the Hirudinea and leech‐like worms (Creuzé des Châtelliers et al. , 2009; Martin et al. , 2008).…”

Section: Methodsmentioning

confidence: 99%

Biodiversity of Belgian groundwater fauna in relation to environmental conditions

et al. 2009

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SUMMARY1. The Pleistocene glaciations during the Quaternary appear to have resulted in an impoverished groundwater fauna in northern Europe. Re-colonisation may have occurred either through long-distance dispersal from unglaciated southern areas or from local refugia. 2. The Belgian groundwater fauna was sampled at multiple sites, and its habitats characterised, to assess whether the composition of present-day stygobiotic assemblages can be attributed to either of these mechanisms. 3. A total of 202 sampling sites were selected in four hydrogeographic units of the Meuse River catchment. Sites were equally divided among the saturated and unsaturated zones of fractured aquifers (karst) and within the hyporheic and phreatic zones of porous aquifers. Seventeen environmental parameters were determined in parallel. 4. More than 140 species were recorded, including representatives of the Amphipoda, Cladocera, Copepoda, Hydrachnidia, Isopoda, Oligochaeta, Ostracoda, Mollusca, Syncarida and Nematoda. Thirty stygobiont species were identified, of which 10 species were new to the Belgian fauna, raising the total number of stygobiotic species in Belgium to 41. 5. The frequency of occurrences of stygobiotic species was always low, with 37% of the sampled sites lacking stygobionts. A few species were exclusive to one hydrological zone, although no statistically significant differences were detected in species richness at any of the four hierarchial levels considered (Meuse catchment = region, hydrogeographic units, aquifer type and hydrological zone). 6. Overall, results suggest that the stygobiotic fauna of Belgium is species-poor and mostly comprises widely distributed species with broad ecological tolerances. This supports the view that eurytopic species re-colonised the area by long-distance dispersal from refugia in southern Europe. The virtual absence of endemic species further suggests that the scenario of an ancient fauna that survived in local refugia is of minor importance.

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Section: Methodsmentioning

confidence: 99%

Biodiversity of Belgian groundwater fauna in relation to environmental conditions

et al. 2009

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“…Naididae is one of the most important groups of aquatic Oligochaeta and they are cosmopolitan and occur throughout the world (Martin et al 2008). Especially, taxa in subfamily Tubificinae (Tubificoid Naidid newly) are commonly associated with sediments in aquatic habitats (Yıldız et al 2012).…”

Section: Discussionmentioning

confidence: 99%

The Aquatic Oligochaeta (Annelida) Fauna of the Karasu Stream

Zeybek¹,

Şahin²,

Yıldız³

2018

Journal of Limnology and Freshwater Fisheries Research

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Sakarya River is defined hydrologically in three parts: upper, middle and lower Sakarya River Basin. This study was carried out in lower Sakarya River (Karasu). Aquatic Oligochaeta samples were collected from four chosen stations between January 2008 and October 2008 seasonally. In total, eight Oligochaeta species were identified during the study period. These species belong to Naididae family and to Tubificinae subfamily (Tubificoid Naidid) [Limnodrilus hoffmeisteri Claparède, 1862; Limnodrilus udekemianus Claparède, 1862; Limnodrilus claparedeianus Ratzel, 1868; Potamothrix hammoniensis (Michaelsen, 1901); Psammoryctides deserticola (Grimm, 1877); Tubifex blanchardi Vejdovsky, 1891; Tubifex ignotus (Stolc, 1886); Tubifex tubifex (Müller, 1774)]. Also, it was observed that Limnodrilus hoffmeisteri and Tubifex tubifex, were found to be dominant, and thus indicator species for pollution in the river.

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“…In relation to the Oligochaeta assemblage, Pristininae, considered a cosmopolitan subfamily (Martin et al, 2008), was the most representative in number of species. Genipapo, Clara and Pousada lakes presented a high density of species, sharing the occurrence of P. americana.…”

Section: Discussionmentioning

confidence: 99%

Factors affecting assemblage attributes of freshwater Oligochaeta in Neotropical shallow floodplain lakes

et al. 2017

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Cite as: Amo, V.E. et al. Factors affecting assemblage attributes of freshwater Oligochaeta in Neotropical shallow floodplain lakes. Acta Limnologica Brasiliensia, 2017, vol. 29, e114. Abstract: Aim: Identify the effects of sediment composition and water conditions on diversity, richness, evenness, density and composition of freshwater Oligochaeta in shallow floodplain lakes. Methods: We sampled 13 shallow floodplain lakes quarterly during the year 2010 in the Upper Paraná River floodplain. In each lake, four sediment samples were taken from the shore and central regions, three of them were used for biological analysis, and one for granulometric analysis. Concomitantly, temperature, dissolved oxygen, pH, conductivity, alkalinity, turbidity and chlorophyll-a were also measured. Initially, the biological samples were analyzed by a stereoscopic microscope. Oligochaeta individuals were identified under optical microscope at the lowest possible taxonomic level. For data analysis, we quantified density, richness, evenness and diversity index of freshwater Oligochaeta. In order to show differences between the months and the analyzed lakes, in relation to the percentages of coarse and fine organic material, the nonparametric Kruskal Wallis test was used. We also calculated the sediment granulometric diversity using the Shannon-Wienner index, using a simple regression analysis. We correlated assemblage attributes of Oligochaeta with sediment diversity and the assemblage species with the limnological variables using the Spearman correlation. Results: A total of 2,090 individuals were found distributed among 27 species. From the total individuals number, 57% were Pristina americana, followed by Dero (Dero) righii with 13%. Assemblage attributes were not significantly correlated with sediment diversity, and 7 of the 27 species recorded showed significant correlations with at least some of the abiotic variables. Conclusions: We verified that the abiotic variables of the water present greater influence on the attributes of the assemblage of freshwater Oligochaeta, when compared with sediment influences. Although we found low local diversity of this group, the wide range of water conditions offered by lakes culminates with a great species richness considering the whole landscape.

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Global diversity of oligochaetous clitellates (“Oligochaeta”; Clitellata) in freshwater

Cited by 108 publications

References 48 publications

Biodiversity of Belgian groundwater fauna in relation to environmental conditions

Biodiversity of Belgian groundwater fauna in relation to environmental conditions

The Aquatic Oligochaeta (Annelida) Fauna of the Karasu Stream

Factors affecting assemblage attributes of freshwater Oligochaeta in Neotropical shallow floodplain lakes

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