LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by
ii The biological remains preserved in the sediments of Arctic lakes and ponds in the Canadian High Arctic are important indicators of environmental change, especially as long-term instrumental data are often lacking. Although recent studies have underscored variability amongst these aquatic ecosyst...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.456.732 2023-05-15T14:33:55+02:00 LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by Bronwyn Elizabeth Keatley The Pennsylvania State University CiteSeerX Archives 2007 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.456.732 http://qspace.library.queensu.ca/bitstream/1974/697/1/Keatley_Bronwyn_E_200709_PhD.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.456.732 http://qspace.library.queensu.ca/bitstream/1974/697/1/Keatley_Bronwyn_E_200709_PhD.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://qspace.library.queensu.ca/bitstream/1974/697/1/Keatley_Bronwyn_E_200709_PhD.pdf text 2007 ftciteseerx 2016-01-08T06:14:54Z ii The biological remains preserved in the sediments of Arctic lakes and ponds in the Canadian High Arctic are important indicators of environmental change, especially as long-term instrumental data are often lacking. Although recent studies have underscored variability amongst these aquatic ecosystems, data are lacking from several key ecosystems. This thesis addresses some of these critical knowledge gaps in the Canadian high Arctic, using diatom-based limnological and paleolimnological techniques. First, I explore the limnology and diatom ecology along a gradient of bioclimatic zones on Melville Island in the western High Arctic. Lakes and ponds located in the most lushly vegetated zone were significantly different from those elsewhere on the island, both in terms of measured limnological variables and in terms of diatom assemblage composition. Diatom species distributions from Melville Island can best be explained by differences in pH and related variables. Secondly, ponds and lakes located in a High Arctic oasis on northern Ellesmere Island Text Arctic Ellesmere Island Melville Island Unknown Arctic Ellesmere Island |
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English |
description |
ii The biological remains preserved in the sediments of Arctic lakes and ponds in the Canadian High Arctic are important indicators of environmental change, especially as long-term instrumental data are often lacking. Although recent studies have underscored variability amongst these aquatic ecosystems, data are lacking from several key ecosystems. This thesis addresses some of these critical knowledge gaps in the Canadian high Arctic, using diatom-based limnological and paleolimnological techniques. First, I explore the limnology and diatom ecology along a gradient of bioclimatic zones on Melville Island in the western High Arctic. Lakes and ponds located in the most lushly vegetated zone were significantly different from those elsewhere on the island, both in terms of measured limnological variables and in terms of diatom assemblage composition. Diatom species distributions from Melville Island can best be explained by differences in pH and related variables. Secondly, ponds and lakes located in a High Arctic oasis on northern Ellesmere Island |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Bronwyn Elizabeth Keatley |
spellingShingle |
Bronwyn Elizabeth Keatley LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by |
author_facet |
Bronwyn Elizabeth Keatley |
author_sort |
Bronwyn Elizabeth Keatley |
title |
LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by |
title_short |
LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by |
title_full |
LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by |
title_fullStr |
LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by |
title_full_unstemmed |
LIMNOLOGICAL AND PALEOLIMNOLOGICAL INVESTIGATIONS OF ENVIRONMENTAL CHANGE IN THREE DISTINCT ECOSYSTEM TYPES, CANADIAN HIGH ARCTIC by |
title_sort |
limnological and paleolimnological investigations of environmental change in three distinct ecosystem types, canadian high arctic by |
publishDate |
2007 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.456.732 http://qspace.library.queensu.ca/bitstream/1974/697/1/Keatley_Bronwyn_E_200709_PhD.pdf |
geographic |
Arctic Ellesmere Island |
geographic_facet |
Arctic Ellesmere Island |
genre |
Arctic Ellesmere Island Melville Island |
genre_facet |
Arctic Ellesmere Island Melville Island |
op_source |
http://qspace.library.queensu.ca/bitstream/1974/697/1/Keatley_Bronwyn_E_200709_PhD.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.456.732 http://qspace.library.queensu.ca/bitstream/1974/697/1/Keatley_Bronwyn_E_200709_PhD.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766307080018329600 |