Selective feeding by the aquatic oligochaete Tubifex tubifex (Tubificidae, Clitellata)

Rodríguez, Pilar; Martinez-Madrid, Maite; Arrate, Jesús Angel; Navarro, Enrique

doi:10.1007/978-94-010-0597-5_15

Cited by 42 publications

(51 citation statements)

References 14 publications

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“…This is equivalent to the classifications by Juget & Lafont (1994) and Moog (1995). But, although most oligochaetes have comparable feeding mechanisms, their food and food preferences show subtle differences (Brinkhurst et al, 1972; McMurtry et al, 1983;Rodriguez et al, 2001). The ecological meaning and applicability of such differences need further attention.…”

Section: Discussionmentioning

confidence: 99%

Beyond masses and blooms: the indicative value of oligochaetes

Verdonschot¹

Aquatic Oligochaete Biology IX

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The European Water Framework Directive (WFD) defines a framework for assessing water bodies in Europe in the future. The conditions in the Directive impose a strong demand for ''new'' assessment systems. The AQEM project developed an assessment system for European streams using macroinvertebrates. Almost 900 samples were taken in about 400 streams covering 29 stream types distributed over eight countries. The role of the Oligochaeta within this European database was analysed. Almost half a million specimens of oligochaetes were collected in 772 samples. Eight families, 41 genera and 69 species were recorded, although identification emphasised the families Tubificidae and Naididae. Three countries identified oligochaetes to species level, most others restricted their identifications to easy identifiable taxa. Numbers of specimens, species, genera and families differed strongly between the countries due to method, although standardised, and taxonomic knowledge. About 50% of all collected oligochaete taxa had assigned biological and ecological indicator values for metric calculation in the AQEM assessment system. A further refinement of this indication list as well as increased coverage of oligochaete taxa was advised. Weighted averaging was used to evaluate the relation between oligochaete distribution and ecological quality class. It was concluded that when higher taxonomic levels are used in assessment, the quality evaluation results become biased. Furthermore, oligochaetes can tell us much more about the ecological status of streams than is commonly assumed. Differences in ecological optima among Limnodrilus udekemianus, Ilyodrilus templetoni, Aulodrilus pluriseta, Nais communis, and Spirosperma ferox are shown.

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Section: Discussionmentioning

confidence: 99%

Beyond masses and blooms: the indicative value of oligochaetes

Verdonschot¹

Aquatic Oligochaete Biology IX

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“…On the other hand, the relatively feeble water current and long residence time in the northern area promoted the sedimentation of organic matter from algal blooms and river inputs (Qin 2008), resulting in relatively fine-grained sediments. Fine sediments can significantly reduce the survivorship of gastropods and bivalves by limiting their feeding behaviors (Donohue & Irvine 2003), whereas it favors tubificids (Rodriguez et al 2001). The reduction of bivalves, especially populations of C. fluminea, is expected to have a major impact on the upper trophic levels (Vaughn & Hakenkamp 2001).…”

Section: Discussionmentioning

confidence: 99%

“…As a consequence, fine organic particles and algae do not deposit and accumulate in this area to any great extent, leaving sediment with low nutrient levels (Trolle et al 2009). In addition, the large particles retained in sediment are difficult for tubificids and chironomids to ingest (Rodriguez et al 2001). This would limit the food resources for deposit feeders, but not for suspension feeders.…”

Section: Discussionmentioning

confidence: 99%

Changes in macrozoobenthic assemblages in a shallow subtropical lake (Lake Taihu, China): 1987–1988 vs. 2007

Cai

Lü

Gong

2015

Journal of Freshwater Ecology

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Lake Taihu is subject to severe eutrophication due to high nutrient inputs. We compared the macrozoobenthic assemblages of Lake Taihu in 1987À1988 and in 2007 Changes in benthic communities between the two periods were significantly different among the four lake regions (the River Mouth, the North Bay, the Open Lake, and the East Bay), corresponding well with the changed environmental conditions. The River Mouth and North Bay showed the greatest changes in benthic fauna, corresponding with severe degradation in water quality. In 1987À1988, benthic communities were dominated by Tubificidae and Bivalvia in the River Mouth and the North Bay, respectively. In 2007, however, benthic fauna were mainly dominated by Tubificidae in the North Bay and total macrozoobenthos increased approximately 18-fold in abundance. The Open Lake was dominated by bivalves (mainly Corbicula fluminea) in both sampling periods, whereas an increased abundance of bivalve was observed from 1987À1988 to 2007. In the East Bay, which was covered by abundant macrophytes, the macrozoobenthos community decreased in abundance and was characterized by high species richness of gastropods. In addition, the abundance of gastropods, tubificids, and chironomids increased significantly between the two sampling periods. The relatively stable ecological conditions in the East Bay (e.g., trophic state and spatial distribution of macrophytes within the East Bay) might be responsible for the relatively small changes. Our results showed complex variation patterns of macrozoobenthic assemblages among different sections of Lake Taihu, which may be associated with the great environmental heterogeneity in this large shallow lake.

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“…There are two routine methods for oligochaetes' feeding pattern study: (1) stomach content analyses (Dash et al 1980, McElhone 1979, Poddubnaya 1961 and (2) pellet content examination (Rodriguez et al 2001). The latter method seemed to us more appropriate after practicing both of these approaches.…”

Section: Methodsmentioning

confidence: 99%

“…It has been considered for a long time that such worms just pass sediment particles through their intestine without any selection, but many studies disproved this point of view (Brinkhurst & Austin 1979, Rodriguez et al 2001, Poddubnaya 1961.…”

Section: Introductionmentioning

confidence: 99%

Feeding spectrum of a dominant splash zone enchytraeid, Mesenchytraeus bungei Michaelsen, 1901 (Annelida: Oligochaeta), in Lake Baikal (East Siberia)

Zvereva¹,

Тимошкин²

2017

Opusc Zool

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Abstract. The first data on feeding spectrum of Baikal enchytraeids are given. Previously we found that Mesenchytraeus bungei Michaelsen, 1901 dominates in abundance in splash zone Oligochaeta community of Bolshie Koty Bay, Lake Baikal. Feeding spectrum of M. bungei was investigated in summer (partially also in spring and autumn) of 2010-2012 and 2015. Our study is based on pellet content analyses of more than 200 M. bungei specimens. Diverse components in different ratio were found during the investigation period, namely green algae, diatoms, higher plants debris, various animal remains, some minor components and sediment particles. All the pellet content was subdivided into phytogenous and animal material, unidentified matter and sediment particles. Phytogenous material appeared to be a dominant component of pellets (up to 87%) in almost all cases. Our analysis showed that M. bungei is a saprophage with a preference to phytogenous detritus.

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Selective feeding by the aquatic oligochaete Tubifex tubifex (Tubificidae, Clitellata)

Cited by 42 publications

References 14 publications

Beyond masses and blooms: the indicative value of oligochaetes

Beyond masses and blooms: the indicative value of oligochaetes

Changes in macrozoobenthic assemblages in a shallow subtropical lake (Lake Taihu, China): 1987–1988 vs. 2007

Feeding spectrum of a dominant splash zone enchytraeid, Mesenchytraeus bungei Michaelsen, 1901 (Annelida: Oligochaeta), in Lake Baikal (East Siberia)

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