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DatoValore
TitleBdelloid rotifers from lakes above 1700 m in western Italian Alps, with taxonomic notes on Dissotrocha macrostyla
AbstractBenthic and periphytic bdelloid communities from 16 alpine lakes from 1700 to 2850 m in above sea level in Sesia Valley (Piedmont region, North-western Italy), sampled during summer 2001 and 2002, were analyzed. Seventeen species were identified from these species-poor communities, with 1 to 6 species each. Dissotrocha macrostyla and Philodina citrina were the most common species, present in 10 lakes while 9 species were collected from one lake only. New morphological details from S.E.M. pictures of Dissotrocha macrostyla revealed that Dissotrocha macrostyla tuberculata (GOSSE, 1886) is only a seasonal morphotype. Its different appearance is due to the presence of locally distributed microscopic mucous bubbles (diameter 1.41 +/- 0.18 mum) on the trunk surface, produced by the rotifer itself under stressful conditions.
SourceInternational review of hydrobiology 88 (6), pp. 594–601
Keywordsrotifera bdelloideazoogeographySEM
JournalInternational review of hydrobiology
EditorWiley-VCH-Verl., Weinheim, Germania
Year2003
TypeArticolo in rivista
DOI10.1002/iroh.200310639
AuthorsFontaneto, D; Melone, G
Text283736 2003 10.1002/iroh.200310639 ISI Web of Science WOS 000187835300004 rotifera bdelloidea zoogeography SEM Bdelloid rotifers from lakes above 1700 m in western Italian Alps, with taxonomic notes on Dissotrocha macrostyla Fontaneto, D; Melone, G University of Milan Benthic and periphytic bdelloid communities from 16 alpine lakes from 1700 to 2850 m in above sea level in Sesia Valley Piedmont region, North western Italy , sampled during summer 2001 and 2002, were analyzed. Seventeen species were identified from these species poor communities, with 1 to 6 species each. Dissotrocha macrostyla and Philodina citrina were the most common species, present in 10 lakes while 9 species were collected from one lake only. New morphological details from S.E.M. pictures of Dissotrocha macrostyla revealed that Dissotrocha macrostyla tuberculata GOSSE, 1886 is only a seasonal morphotype. Its different appearance is due to the presence of locally distributed microscopic mucous bubbles diameter 1.41 / 0.18 mum on the trunk surface, produced by the rotifer itself under stressful conditions. 88 Articolo in rivista Wiley VCH Verl. 1434 2944 International review of hydrobiology International review of hydrobiology Int. rev. hydrobiol. International review of hydrobiology. International review of hydrobiology Print diego.fontaneto FONTANETO DIEGO