Half a century of oligochaete research in Estonian running waters

Timm, Tarmo; Seire, A.; Päll, Peeter

doi:10.1007/978-94-010-0597-5_23

Cited by 17 publications

(28 citation statements)

References 3 publications

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“…This psammophilous species was typical of less eutrophied and cooler habitats, usually with a sandy or stony bottom and considerable current velocity (Timm et al, 2001). Collado and Schmelz (2001) found that, the two tubificids, T. tubifex and P. barbatus, were the most abundant species in Lake Stechlin, which is an oligotrophic hardwater lake in Northern Germany.…”

Section: Discussionmentioning

confidence: 99%

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Şahin¹,

Yıldız²

2011

Turk. J. Fish. Aquat. Sci.

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In order to determine the oligochaeta fauna of Lake Sapanca (Turkey) samples were collected from 5 stations monthly, between September 2000-August 2001. As a result of the study, 13 species, which belong to 9 genera, were determined. These species are Aulodrilus limnobius, Tubifex tubifex, Tubifex ignotus, Tubifex nerthus, Limnodrilus hoffmeisteri, Potamothrix hammoniensis, Potamothrix vejdovskyi, Nais communis, Spirosperma ferox, Psammoryctides barbatus, Ilyodrilus templetoni, Psammoryctides deserticola, Paranais frici. Also some physicochemical parameters of the water (temperature, dissolved oxygen, pH, turbidity and depth) were measured at the sampling site. The average density of total oligochaetes in the benthos of the lake was 1,887 ind m -2 . According to Shannon-Wiener index, Lake Sapanca was found had 2.59 richness and, 5 th station were found to have highest diversity (3.87) while 3 rd station to have the lowest (1.59). There are almost no data on the Oligochaeta fauna of this lake so far. Hence, all the determined taxa from the localities are recorded for the first time.

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Section: Discussionmentioning

confidence: 99%

“…Tubifex tubifex has the same characteristics, as well; and they exist closely together in the same habitat (Brinkhurst, 1969). Limnodrilus hoffmeisteri clearly prefers warmer habitats (Timm et al, 2001). Hiltunen (1969) and Saether (1970) have called the species saprophilous (after Milbrink, 1980).…”

Section: Discussionmentioning

confidence: 99%

Untitled

Şahin¹,

Yıldız²

2011

Turk. J. Fish. Aquat. Sci.

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“…Dados de Timm et al (2001) e Verdonschot (1999 corroboram essa condição, associando a ocorrência dessas espécies à ambientes com altos valores de matéria orgânica. O táxons Enchytraeidae sp.1, Pristina rosea e L. hoffmeisteri foram projetados no centro do diagrama.…”

Section: Introductionunclassified

Influência de variáveis ambientais sobre a comunidade de oligoquetos (Annelida: Clitellata) em um córrego neotropical

Gorni

Alves

2014

Biotemas

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ResumoDentre os organismos da comunidade bentônica, os oligoquetos são peças fundamentais no luxo de energia e na reciclagem de matéria orgânica nos ecossistemas aquáticos, onde sua distribuição é inluenciada, principalmente, pelos padrões hidrológicos locais. Assim, o objetivo deste estudo foi investigar a inluência das variáveis ambientais sobre a comunidade de oligoquetos límnicos em um sistema lótico neotropical. O córrego Galharada está localizado no Parque Estadual de Campos do Jordão (PECJ), no estado de São Paulo, 1.600 m acima do nível do mar; 192 amostras foram coletadas em quatro pontos selecionados segundo sua ordem hierárquica dentro da bacia hidrográica (primeira à quarta ordem). A im de correlacionar as variáveis ambientais e a fauna de oligoquetos utilizou-se a Análise de Correspondência Canônica (CCA). Foram identiicadas 16 espécies divididas em quatro famílias (Enchytraeidae, Naididae, Pristinidae e Tubiicidae). Os resultados da CCA revelaram que as características físicas dos trechos, como profundidade e largura do córrego, velocidade do luxo e vazão foram os fatores que mais inluenciaram a estrutura da comunidade de oligoquetos aquáticos em Campos do Jordão. As espécies Aulodrilus limnobius e Nais communis foram projetadas junto às variáveis condutividade elétrica e turbidez, indicando possível associação com ambientes enriquecidos com matéria orgânica. A ocorrência de Enchytraeidae, Pristina rosea, Chaetogaster diastrophus, Pristina proboscidea e Limnodrilus hoffmeisteri, aparentemente, não apresentou correlação com as variáveis ambientais analisadas neste estudo. Nossos resultados reforçam a utilização da comunidade de oligoquetos como bioindicadores, participando de processos de avaliação de ecossistemas aquáticos continentais.Palavras-chave: Análise de Correspondência Canônica; Condições ambientais; Córregos de baixa ordem; Oligoquetos límnicos AbstractInluence of environmental variables on the Oligochaeta (Annelida: Clitellata) community in a neotropical stream. Among the organisms of the benthic community, oligochaetes play a key role in the energy low and recycling of organic matter in aquatic ecosystems, where their distribution is mainly inluenced by local hydrological patterns. Thus, this study aimed to investigate the inluence of environmental variables on the community of limnic oligochaetes in a neotropical lotic system. Galharada stream is located within the

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“…Detritivores prevail in habitats rich in organic matter, e.g. in the vicinity of plants [4]. Bare sand is inhabited by psammophiles [3,4], while habitats experiencing oxygen deficiencies are dominated by organisms resistant to hypoxia [5].…”

Section: Introductionmentioning

confidence: 99%

“…in the vicinity of plants [4]. Bare sand is inhabited by psammophiles [3,4], while habitats experiencing oxygen deficiencies are dominated by organisms resistant to hypoxia [5]. Plants are extremely important for composition and abundance of bottom fauna, as well as for epiphytic and mining organisms, providing a food source and protection against predators and excessive water movements.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the ecological status of the shallow Lake Neor (Iran) using a macroinvertebrate community structure

Nadushan

Emadi

Fatemi

et al. 2010

WIT Transactions on Ecology and the Environment

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Macroinvertebrates play a key role in freshwater lentic and lotic ecosystems. Lake Neor, located in the northwest of Iran (37º 55´ to 38º 1´ 45), 2700m above sea level, is one of the lakes with little information available regarding the limnological data. Therefore, the present study was planned and conducted during a period of one year focusing on macroinvertebrate fauna and assemblage. Sampling was done monthly at four sites from August 2008 to July 2009. Altogether, a total of 11 species belonging to three phyla, seven classes, 10 orders and 10 families were identified, indicating a low diversity. From these species, eight are recorded for the first time from this lake and from the country, including Pisidium supinum, Fossaria humilis, Stagnicola catascopium, Quistadrilus multisetosus, Stylodrilus herngianus, Mooreobdella fervida, Podura aquatica, Dasycorixa hybrida. From these species, Gammarus fasciatus, Pisidium supinum and Quistadrilus multisetosus were dominant, constituting 49%, 43% and 5% of the total benthic fauna respectively. Two predominant species, Gammarus fasciatus and Pisidium supinum, are indicator species that are sensitive to eutrophic conditions, reflecting the oligo-mesotrophic character of the lake. Dissolved oxygen, temperature, TOM and habitat homogeneity seemed to be the main environmental factors affecting the community structure of macroinvertebrate fauna in this lake. At present, in this shallow water body B with an average depth of 3 and a maximum of 5 meters, the annual water level fluctuation is around 1 to 2 meters during the period of using water for agricultural purposes. These annually high water level fluctuations would result in an increase in nutrient recycling and nutrient release to the water column, which in turn might affect the trophic status of the lake. Hence, the present situation of the lake, mainly its trophic regime, clearly shows the need for developing a management and monitoring plan.

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Half a century of oligochaete research in Estonian running waters

Cited by 17 publications

References 3 publications

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Influência de variáveis ambientais sobre a comunidade de oligoquetos (Annelida: Clitellata) em um córrego neotropical

Assessment of the ecological status of the shallow Lake Neor (Iran) using a macroinvertebrate community structure

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