Distribution of Aquatic Oligochaetes

Timm, Tarmo

doi:10.1007/978-1-4613-3048-6_6

Cited by 84 publications

(58 citation statements)

References 1 publication

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“…Further, an increase of those species in the period after the damming of the Danube (Nedeljkovic 1979) indicate higher sedimentation rates in the zone of back-water effects (up to 1215 km) favouring T. tubifex, L. hoffmeis-teri, L. claparedeianus, L. udekemianus and L. profundicola which can be characterised as pelophilous species (Timm 1980(Timm , 1987.…”

Section: Discussionmentioning

confidence: 99%

Macroinvertebrates along the Serbian section of the Danube River (stream km 1429–925)

Paunović¹,

Jakovcev-Todorovic²,

Simić

et al. 2007

Biologia

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Abstract:Results of the investigation of the aquatic macroinvertebrate fauna along a 504 km stretch of the Danube River in Serbia are presented. A total of 74 macroinvertebrate taxa were observed during a 2001 survey. Oligochaeta and Mollusca were the principal components of the community with regard to species richness and abundance. Based on data on the qualitative composition of the macroinvertebrate fauna, a correspondence analysis divided the investigated stretch in three sectors -upper (Pannonian), Iron Gate sector and entrance sector to the Iron Gate stretch. The distribution patterns of certain species supported the division of sectors defined by correspondence analysis.

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Section: Discussionmentioning

confidence: 99%

Macroinvertebrates along the Serbian section of the Danube River (stream km 1429–925)

Paunović¹,

Jakovcev-Todorovic²,

Simić

et al. 2007

Biologia

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“…In Swedish waters, Milbrink (1973) found that this species is generally associated with P. hammoniensis and sometimes with L. hoffmeisteri in the profundal of moderately eutrophied waters (Milbrink, 1980). The Naididae, also origining from the northern temperate zone (Timm, 1980), were represented by two species this study, Paranais frici and Nais communis. Most naidid species are also cosmopolitan, occurring throughout the world (Wetzel et al, 2000) and they have clearly adapted to a wide range of environmental conditions (Brinkhurst and Jamieson, …”

Section: Discussionmentioning

confidence: 54%

“…13 Oligochaeta species, which consists mainly of taxa with wide ecological tolerances and extensive geographical ranges, were found. The family Tubificidae, which origins in the northern temperate zone Timm (1980), was represented by 7 genera in this study. This family and several of its genera (e.g.…”

Section: Discussionmentioning

confidence: 83%

Untitled

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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“…Because fish and frogs are widespread throughout eastern Minnesota, this strongly implicates the distribution of Lumbriculus variegatus as the prime factor causing the difference in the D. renale distribution or prevalence. Lumbriculus variegatus depends on passive means such as stream flow or perhaps incidental carry by animals in Mink, to increase its distribution (Timm 1980). Therefore, it is understandable how it may live in one watershed but not in another that may be close but across a divide.…”

Section: Discussionmentioning

confidence: 99%

“…(Timm 1980). Therefore, it is understandable how it may live in one watershed but not in another that may be close but across a divide.…”

mentioning

confidence: 99%

Spatial and Temporal Differences in Giant Kidney Worm, <em>Dictophyma renale</em>, Prevalence in Minnesota Mink, <em>Mustela vison</em>

Mech

2008

Can Field Nat

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1998, 1999, 2002, or 2003. 3 Average annual success not significant. (Timm 1980). Therefore, it is understandable how it may live in one watershed but not in another that may be close but across a divide. Thus future research into this subject should include an assessment of Lumbriculus variegatus distribution. My findings that D. renale increased and then decreased over a five-year period, peaking at the highest prevalence ever reported in Mink, suggest that prevalence may show cyclicity. The correlation between D. renale prevalence and trapping success may indicate that prevalence fluctuates with Mink density. This interpretation assumes that non-infested Mink are just as trappable as infected Mink, an assumption justified by the similarity in trapping success between both study areas, one with D. renale and the other without. I had > 20 years' experience trapping Mink with the same methods before the study began, so differences in annual trapping success probably reflect actual differences in Mink density.The effect of D. renale on Mink density is difficult to gauge. The correlation between trapping success in both study areas might suggest that in general D. renale has little population effect. However, the fact that the lowest success rates (2006 and 2007) in the D. renale area were considerably lower than those in the worm-free area offer some evidence that after Mink reach high densities in the D. renale area, and thus high worm prevalence, they might drop to lower density than in the worm-free area. Further research might elucidate this question. Acknowledgments

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Distribution of Aquatic Oligochaetes

Cited by 84 publications

References 1 publication

Macroinvertebrates along the Serbian section of the Danube River (stream km 1429–925)

Macroinvertebrates along the Serbian section of the Danube River (stream km 1429–925)

Untitled

Spatial and Temporal Differences in Giant Kidney Worm, <em>Dictophyma renale</em>, Prevalence in Minnesota Mink, <em>Mustela vison</em>

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