The Aquatic Oligochaeta (Annelida) Fauna of the Karasu Stream

Zeybek, Melek; Şahin, Serap Koşal; Yıldız, Seray

doi:10.17216/limnofish.363933

Cited by 5 publications

(5 citation statements)

References 15 publications

(15 reference statements)

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“…It only thrives in extreme environmental conditions that limit the development of other benthic macroinvertebrates (Nijboer et al, 2004). Competitive or predatory pressure is a limiting factor for its presence in aquatic environments (Milbrink, 1983;Zeybek et al, 2018). In our study stations, the observation of a shrunken tail in some oligochaetes, which is a sign of regeneration, could precisely reflect a certain predatory pressure in our environment.…”

Section: Discussionmentioning

confidence: 69%

“…Contrary to the results obtained by Tchakonte (2016) in the polluted waters of the city of Douala, T. tubifex was not collected in our study stations. According to Zeybek et al (2018), this specie is very abundant in polluted environments where it often co-occurs with Limnodrilus hoffmeisteri, although T. tubifex is a poor competitor in the environment (Nijboer et al, 2004). It only thrives in extreme environmental conditions that limit the development of other benthic macroinvertebrates (Nijboer et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

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Spatio-temporal distribution of Naididae tubificids species and bio-evaluation of the quality of some surface water bodies of Yaound, Cameroon

Armelle¹,

Aghaindum²,

elix³

2021

Afr. J. Environ. Sci. Technol.

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Despite their great interest for the integrated management of water resources, information on the ecology of aquatic oligochaetes is still sketchy in Cameroon. The present study aims at contributing to the knowledge on the distribution, microhabitat and life history of Naididae tubificids taxa in some eight water bodies of the city of Yaoundé. A total of 132 samples were analysed and the morphospecies Branchiura spp. and Limnodrilus spp. were identified. The most abundant species were Branchiura spp. with 2035 individuals versus 880 Limnodrilus spp. Both of them demonstrate low seasonal variations. It appeared that, these annelids are more abundant on clay-rich soils than on sand and the herbarium. Assessment of the organic pollution index indicates an organic pollution of the sampled waters ranging from moderate to high (3.67-2). The redundancy canonical analysis shows that Branchiura spp. are more present in saline waters revealing high organic pollution factors variables. During the study period, some 10 individuals of Limnodrilus spp. presented a shrunken tail. That reveals a strong environmental pressure due to the action of predators or the presence of heavy metals in the aquatic system evaluated. All these characteristics indicate a high pollution and predation pressure in the milieu.

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Section: Discussionmentioning

confidence: 69%

Section: Discussionmentioning

confidence: 99%

Spatio-temporal distribution of Naididae tubificids species and bio-evaluation of the quality of some surface water bodies of Yaound, Cameroon

Armelle¹,

Aghaindum²,

elix³

2021

Afr. J. Environ. Sci. Technol.

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“…Depending to the information illustrated in (Table 1), the dominance was to the tubificid worms that have no hair setae at the both study sites, which are known as pollution tolerant organisms 19 , where tubificid worms with hair chaetae occurred in rare number.…”

Section: Resultsmentioning

confidence: 99%

Sediment Assessment of Al-Hindyia and Al-Abbasyia River / Iraq by aquatic oligocheata community as bioindicators

AL-Ameen,

Al-Jaff

2023

Baghdad Sci.J

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Bioindicators have an important role in assessing the quality of water bodies. Aquatic oligocheates, was used as a bioindicator to assess the sediment quality of Al-Hindyia and AL-Abbasyia river (branches of Euphrates River in Iraq). Two sites in each river have been chosen for this purpose, site S1 was located at Al-Hindyia River and S2 at Al-Abbasyia River. Some kinds of biological indices were used in this study, comprising the percentage of oligochaetes in benthic invertebrates, ranged from 20.3-60.16%. While the percentage of Tubificidae within benthic invertebrates was close 43.3-43.9%.Index of pollution D ranged from 0.13-0.21. The maximum percentage of aquatic oligochaetes to insects larvae of family Chironomidae larvae was recorded at S2 90% while at S1 60%. I0 was scored high value at S1 36.06 whilst only 30.56 at S2.E0 was A8 at S1 and A9 at S2.while IOBS was 15.26 at S2 and 7.07 at S1.The percentage of subfamily Tubificidae (TUSP) showed the highest value 21.21% at S1 while 11.79%at S2 .

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“…The L. hoffmeisteri species has hemoglobin, which enables them to support low oxygen concentrations (ESTEVES, 1998), and is therefore characterized as an indicator of organically polluted environments (VERDONSCHOT, 1989;PASTERIS et al, 1999;SURIANI et al, 2007;BEHREND et al, 2012;ZHAO;LIU, 2012;ZEYBEK et al, 2018;GORNI et al, 2018;GIROLLI, 2019). Record and ecological observations: Until now there was no record of occurrence of this species in Brazil, its occurrence was recorded only in Venezuela and Europe (CHRISTOFFERSEN, 2007).…”

Section: Tubificinae Subfamilymentioning

confidence: 99%

Aquatic oligochaetes (Annelida: Clitellata) in reservoirs in São Paulo State: list of occurrence and ecological observations on the species

et al. 2021

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This work sought the survey of species and information about the distribution of the Class Oligochaeta in reservoirs sampled in the Sediment Quality Monitoring Network of CETESB (Environmental Company of the State of São Paulo). As such, this study aimed to inventory the limnic oligochaetes fauna to expand knowledge of the ecology and distribution of this group in reservoirs in the state of São Paulo. Ninety replicates were performed in 12 reservoirs in the state of São Paulo between 2014 and 2016, using van Veen or Ponar samplers in the sublittoral region, and Ekman-Birge in the deep region. Twenty-eight taxa were inventoried, belonging to the families Naididae and Opistocystidae. The species Dero righii and Pristina longisoma were recorded for the first time in São Paulo State, Nais magnaseta and Spirosperma velutina were first recorded in Brazil. The results presented here make this inventory extremely important for understanding the distribution of aquatic oligochaetes throughout the Brazilian territory.

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The Aquatic Oligochaeta (Annelida) Fauna of the Karasu Stream

Cited by 5 publications

References 15 publications

Spatio-temporal distribution of Naididae tubificids species and bio-evaluation of the quality of some surface water bodies of Yaound, Cameroon

Spatio-temporal distribution of Naididae tubificids species and bio-evaluation of the quality of some surface water bodies of Yaound, Cameroon

Sediment Assessment of Al-Hindyia and Al-Abbasyia River / Iraq by aquatic oligocheata community as bioindicators

Aquatic oligochaetes (Annelida: Clitellata) in reservoirs in São Paulo State: list of occurrence and ecological observations on the species

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