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The benthos of lakes
On the role of tubificid oligochaetes in relation to fish disease with special reference to the myxozoa
Abstract Whirling disease is caused by the myxozoan parasite Myxobolus cerebralis, Hofer. It has been associated with a serious decline in wild rainbow trout populations in the western United States.
Evolutionary relationships within the clitellata
Abstract The results from published cladistic analyses of various oligochaete taxa suggest that the Haplotaxidase is a paraphyletic taxon once Metataxis is transfered to the Lumbricina and Tiguassu
Morphological reinvestigation and phylogenetic relationship of Acanthobdella peledina (Annelida, Clitellata)
The main emphasis is laid on the evaluation of the position of the taxon within the Clitellata, including a discussion of the Branchiobdellida, and the cladograms presented show the Acanthobdella peledina to be the sister group of the Euhirudinea.
Concordance of taxonomic richness patterns across multiple assemblages in lakes of the northeastern United States
It is concluded that taxonomic richness alone may be of ambiguous value as an indicator of biological integrity in lakes and that its natural drivers must be controlled for prior to assessing anthropogenic effects.
Relative tolerances of selected aquatic oligochaetes to individual pollutants and environmental factors
The results confirmed the use of present oligochaete assemblage to indicate the degree of trophy in natural systems, but also suggested new assemblages for indicating the presence of particular chemical contaminants.