Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients
We undertook a comprehensive comparison between the pigment composition of surface sediment samples and contemporary catchment and limnological data deriving from 308 mountain lakes in 11 mountain regions (Lake Districts) covering a wide latitudinal and longitudinal gradient across Europe. This pape...
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E. Schweizerbartische Verlagsbuchhandlung
2009
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ftpuma:oai:pumaoai.isti.cnr.it:cnr.ise/cnr.ise/2009-A0-046 2023-05-15T16:29:57+02:00 Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients Lami, Andrea Musazzi, Simona Marchetto, Aldo Buchaca, Teresa Kernan, Martin Jeppesen, Erik Guilizzoni, Piero 2009 application/pdf http://puma.isti.cnr.it/dfdownloadnew.php?ident=cnr.ise/cnr.ise/2009-A0-046 http://puma.isti.cnr.it/rmydownload.php?filename=cnr.ise/cnr.ise/2009-A0-046/2009-A0-046.pdf en eng E. Schweizerbartische Verlagsbuchhandlung info:eu-repo/grantAgreement/EC/FP7/258775/EU/Enzyme Driven Molecular Nanosystems/EMERGE info:eu-repo/semantics/restrictedAccess In: Advances in Limnology, vol. 62 pp. 217 - 238. E. Schweizerbartische Verlagsbuchhandlung, 2009. Carotenoids Canonical analysis Alpine lakes EMERGE info:eu-repo/semantics/article 2009 ftpuma 2017-06-15T09:20:57Z We undertook a comprehensive comparison between the pigment composition of surface sediment samples and contemporary catchment and limnological data deriving from 308 mountain lakes in 11 mountain regions (Lake Districts) covering a wide latitudinal and longitudinal gradient across Europe. This paper examines whether photosynthetic algal and bacterial pigments stored in the lake sediment can be used to identify different lake typologies and population dynamics of primary producers. We focus on a multivariate numerical analysis relating the relative abundance of marker pigments of algae, cyanobacteria and phototrophic sulphur bacteria to a set of physical and chemical factors (both natural and anthropogenic) determining the environmental conditions in mountain lakes. Redundancy Analysis (RDA), including partial RDA, of carotenoid assemblages constrained by environmental variables suggests that the main differences between lake districts are caused by geographic position (e.g. longitude), catchment characteristics (e.g. % carbonate rocks) and chemical variables (e.g. Mg, NO3). Other variables such as temperature and phosphorus play a minor role, probably be - cau se of the short length of the gradient covered by these cold and mostly oligotrophic lakes. Pigment composition varies primarily in response to catchment geology and pollution (i.e. acidification from long range transport) gradients. Purple sulphur photosynthetic bacteria (okenone) and cyanobacteria (echinenone, canthaxanthin, scytonemin) are replaced by siliceous algae (fucoxanthin and diatoxanthin), cryptophytes (alloxanthin) and dinoflagellates (diadinoxanthin). With respect to site classification, the pigment ordination shows a clear distinction between the more pristine lakes (in the Pyrenees) and the more polluted sites (in the Tatra Mountains and Central Southern Alps) or those with water higher in solute content (the Julian Alps and Greenland). Article in Journal/Newspaper Greenland PUMAlab (ISTI CNR - National Research Council) Greenland |
institution |
Open Polar |
collection |
PUMAlab (ISTI CNR - National Research Council) |
op_collection_id |
ftpuma |
language |
English |
topic |
Carotenoids Canonical analysis Alpine lakes EMERGE |
spellingShingle |
Carotenoids Canonical analysis Alpine lakes EMERGE Lami, Andrea Musazzi, Simona Marchetto, Aldo Buchaca, Teresa Kernan, Martin Jeppesen, Erik Guilizzoni, Piero Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
topic_facet |
Carotenoids Canonical analysis Alpine lakes EMERGE |
description |
We undertook a comprehensive comparison between the pigment composition of surface sediment samples and contemporary catchment and limnological data deriving from 308 mountain lakes in 11 mountain regions (Lake Districts) covering a wide latitudinal and longitudinal gradient across Europe. This paper examines whether photosynthetic algal and bacterial pigments stored in the lake sediment can be used to identify different lake typologies and population dynamics of primary producers. We focus on a multivariate numerical analysis relating the relative abundance of marker pigments of algae, cyanobacteria and phototrophic sulphur bacteria to a set of physical and chemical factors (both natural and anthropogenic) determining the environmental conditions in mountain lakes. Redundancy Analysis (RDA), including partial RDA, of carotenoid assemblages constrained by environmental variables suggests that the main differences between lake districts are caused by geographic position (e.g. longitude), catchment characteristics (e.g. % carbonate rocks) and chemical variables (e.g. Mg, NO3). Other variables such as temperature and phosphorus play a minor role, probably be - cau se of the short length of the gradient covered by these cold and mostly oligotrophic lakes. Pigment composition varies primarily in response to catchment geology and pollution (i.e. acidification from long range transport) gradients. Purple sulphur photosynthetic bacteria (okenone) and cyanobacteria (echinenone, canthaxanthin, scytonemin) are replaced by siliceous algae (fucoxanthin and diatoxanthin), cryptophytes (alloxanthin) and dinoflagellates (diadinoxanthin). With respect to site classification, the pigment ordination shows a clear distinction between the more pristine lakes (in the Pyrenees) and the more polluted sites (in the Tatra Mountains and Central Southern Alps) or those with water higher in solute content (the Julian Alps and Greenland). |
format |
Article in Journal/Newspaper |
author |
Lami, Andrea Musazzi, Simona Marchetto, Aldo Buchaca, Teresa Kernan, Martin Jeppesen, Erik Guilizzoni, Piero |
author_facet |
Lami, Andrea Musazzi, Simona Marchetto, Aldo Buchaca, Teresa Kernan, Martin Jeppesen, Erik Guilizzoni, Piero |
author_sort |
Lami, Andrea |
title |
Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
title_short |
Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
title_full |
Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
title_fullStr |
Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
title_full_unstemmed |
Sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
title_sort |
sedimentary pigments in 308 alpine lakes and their relation to environmental gradients |
publisher |
E. Schweizerbartische Verlagsbuchhandlung |
publishDate |
2009 |
url |
http://puma.isti.cnr.it/dfdownloadnew.php?ident=cnr.ise/cnr.ise/2009-A0-046 http://puma.isti.cnr.it/rmydownload.php?filename=cnr.ise/cnr.ise/2009-A0-046/2009-A0-046.pdf |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
In: Advances in Limnology, vol. 62 pp. 217 - 238. E. Schweizerbartische Verlagsbuchhandlung, 2009. |
op_relation |
info:eu-repo/grantAgreement/EC/FP7/258775/EU/Enzyme Driven Molecular Nanosystems/EMERGE |
op_rights |
info:eu-repo/semantics/restrictedAccess |
_version_ |
1766019669650571264 |