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  Long-term genetic shifts in a microcrustacean egg bank associated with anthropogenic changes in the Lake Constance ecosystem

Weider, L. J., Lampert, W., Wessels, M., Colbourne, J. K., & Limburg, P. (1997). Long-term genetic shifts in a microcrustacean egg bank associated with anthropogenic changes in the Lake Constance ecosystem. Proceedings of the Royal Society of London Series B, 264(1388), 1613-1618.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-E20B-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-E20C-6
Genre: Journal Article

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Weider2_1997.pdf (Publisher version), 195KB
 
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 Creators:
Weider, Lawrence J.1, Author              
Lampert, Winfried1, Author              
Wessels, Martin, Author
Colbourne, John K., Author
Limburg, Petra1, Author              
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1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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 Abstract: Diapausing egg banks of aquatic zooplankton have the potential to remain viable for decades or even centuries, and can thus harbour potentially high levels of genetic variation. Diapausing (ephippial) eggs from the Daphnia galeata-hyalina complex (Crustacea: Anomopoda) in Lake Constance (Bodensee), Germany, were isolated from sections of dated sediment cores, hatched in the laboratory and established as a clone bank. We used cellulose acetate electrophoresis at four polymorphic enzyme loci (Pgm, Pgi, ao, and Got) to examine long-term temporal changes in the genetic composition of the hatchling pool. Our results indicate that significant shifts have occurred in the genetic structure of this population, which parallel concomitant shifts in the trophic state of Lake Constance during the past 25-35 years. Here we discuss the utility of egg bank propagules as good model organisms to study microevolution, as related to past environmental change

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Language(s): eng - English
 Dates: 1997-11-22
 Publication Status: Published in print
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 Identifiers: eDoc: 206504
Other: 1630/S 37253
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Title: Proceedings of the Royal Society of London Series B
  Alternative Title : Proc. R. Soc. Lond. B
Source Genre: Journal
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Pages: - Volume / Issue: 264 (1388) Sequence Number: - Start / End Page: 1613 - 1618 Identifier: ISSN: 0962-8452