The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T.
Thesis (M.Sc.)--Memorial University of Newfoundland, 1987. Biology Bibliography: leaves 111-122. Botanical explorations at Cape Herschel, a small peninsula on the relatively oceanic coast of eastern Ellesmere Island, Northwest Territories, have yielded a flora which includes 68 species of vascular p...
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ftmemorialunivdc:oai:collections.mun.ca:theses2/210503 2023-05-15T16:05:53+02:00 The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. Bridgland, James Parsons Memorial University of Newfoundland. Dept. of Biology Canada--Nunavut--Ellesmere Island--Cape Herschel 1987 xi, 149 leaves : ill., maps. Image/jpeg; Application/pdf http://collections.mun.ca/cdm/ref/collection/theses2/id/210503 Eng eng Electronic Theses and Dissertations (19.14 MB) -- http://collections.mun.ca/PDFs/theses/Bridgland_JamesParsons.pdf http://collections.mun.ca/cdm/ref/collection/theses2/id/210503 The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries Botany--Nunavut--Ellesmere Island--Cape Herschel Lichens--Nunavut--Ellesmere Island--Cape Herschel Mosses--Nunavut--Ellesmere Island--Cape Herschel Text Electronic thesis or dissertation 1987 ftmemorialunivdc 2015-08-06T19:17:26Z Thesis (M.Sc.)--Memorial University of Newfoundland, 1987. Biology Bibliography: leaves 111-122. Botanical explorations at Cape Herschel, a small peninsula on the relatively oceanic coast of eastern Ellesmere Island, Northwest Territories, have yielded a flora which includes 68 species of vascular plants, 121 species of mosses, and 44 species of lichens. -- Field typification of seven vegetation types was tested with cluster analysis and the seven types were divided into eleven plant communities. Diagnostic species were identified for each community using species constancy and mean abundance in each cluster. Environmental factors determining the distribution of plant communities at Cape Herschel were tested with direct gradient analysis and with topographic analysis. -- Floristic comparison of plant communities at Cape Herschel with those described from elsewhere in the Queen Elizabeth Islands identified 11 communities which appear to correspond directly enough to be useful for the purposes of regional vegetation mapping. A twelfth community was identified it Cape Herschel but it was not comparable to communites described elsewhere. -- Moisture, snowcover, and substrate texture have the greatest influence, in that order, on the distribution of vegetation types at Cape Herschel. Altitude and aspect were also found to control the distribution of vegetation. -- Cassiope heath, cottongrass and sedge meadows, and Luzula confusa steppe were the communities at Cape Herschel which were floristically most similar to communities described from other areas of the Queen Elizabeth Islands, but two barrens communities, two tundra communities, and a marsh community also show some similarity to communities described elsewhere. Thesis Ellesmere Island Luzula confusa Newfoundland studies Northwest Territories Nunavut Queen Elizabeth Islands Tundra Cottongrass University of Newfoundland Memorial University of Newfoundland: Digital Archives Initiative (DAI) Nunavut Northwest Territories Ellesmere Island Canada Cape Herschel ENVELOPE(-74.575,-74.575,78.587,78.587) |
institution |
Open Polar |
collection |
Memorial University of Newfoundland: Digital Archives Initiative (DAI) |
op_collection_id |
ftmemorialunivdc |
language |
English |
topic |
Botany--Nunavut--Ellesmere Island--Cape Herschel Lichens--Nunavut--Ellesmere Island--Cape Herschel Mosses--Nunavut--Ellesmere Island--Cape Herschel |
spellingShingle |
Botany--Nunavut--Ellesmere Island--Cape Herschel Lichens--Nunavut--Ellesmere Island--Cape Herschel Mosses--Nunavut--Ellesmere Island--Cape Herschel Bridgland, James Parsons The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. |
topic_facet |
Botany--Nunavut--Ellesmere Island--Cape Herschel Lichens--Nunavut--Ellesmere Island--Cape Herschel Mosses--Nunavut--Ellesmere Island--Cape Herschel |
description |
Thesis (M.Sc.)--Memorial University of Newfoundland, 1987. Biology Bibliography: leaves 111-122. Botanical explorations at Cape Herschel, a small peninsula on the relatively oceanic coast of eastern Ellesmere Island, Northwest Territories, have yielded a flora which includes 68 species of vascular plants, 121 species of mosses, and 44 species of lichens. -- Field typification of seven vegetation types was tested with cluster analysis and the seven types were divided into eleven plant communities. Diagnostic species were identified for each community using species constancy and mean abundance in each cluster. Environmental factors determining the distribution of plant communities at Cape Herschel were tested with direct gradient analysis and with topographic analysis. -- Floristic comparison of plant communities at Cape Herschel with those described from elsewhere in the Queen Elizabeth Islands identified 11 communities which appear to correspond directly enough to be useful for the purposes of regional vegetation mapping. A twelfth community was identified it Cape Herschel but it was not comparable to communites described elsewhere. -- Moisture, snowcover, and substrate texture have the greatest influence, in that order, on the distribution of vegetation types at Cape Herschel. Altitude and aspect were also found to control the distribution of vegetation. -- Cassiope heath, cottongrass and sedge meadows, and Luzula confusa steppe were the communities at Cape Herschel which were floristically most similar to communities described from other areas of the Queen Elizabeth Islands, but two barrens communities, two tundra communities, and a marsh community also show some similarity to communities described elsewhere. |
author2 |
Memorial University of Newfoundland. Dept. of Biology |
format |
Thesis |
author |
Bridgland, James Parsons |
author_facet |
Bridgland, James Parsons |
author_sort |
Bridgland, James Parsons |
title |
The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. |
title_short |
The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. |
title_full |
The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. |
title_fullStr |
The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. |
title_full_unstemmed |
The flora and vegetation of Cape Herschel, Ellesmere Island, N.W.T. |
title_sort |
flora and vegetation of cape herschel, ellesmere island, n.w.t. |
publishDate |
1987 |
url |
http://collections.mun.ca/cdm/ref/collection/theses2/id/210503 |
op_coverage |
Canada--Nunavut--Ellesmere Island--Cape Herschel |
long_lat |
ENVELOPE(-74.575,-74.575,78.587,78.587) |
geographic |
Nunavut Northwest Territories Ellesmere Island Canada Cape Herschel |
geographic_facet |
Nunavut Northwest Territories Ellesmere Island Canada Cape Herschel |
genre |
Ellesmere Island Luzula confusa Newfoundland studies Northwest Territories Nunavut Queen Elizabeth Islands Tundra Cottongrass University of Newfoundland |
genre_facet |
Ellesmere Island Luzula confusa Newfoundland studies Northwest Territories Nunavut Queen Elizabeth Islands Tundra Cottongrass University of Newfoundland |
op_source |
Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries |
op_relation |
Electronic Theses and Dissertations (19.14 MB) -- http://collections.mun.ca/PDFs/theses/Bridgland_JamesParsons.pdf http://collections.mun.ca/cdm/ref/collection/theses2/id/210503 |
op_rights |
The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. |
_version_ |
1766401795142189056 |