Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut.
Fungal communities in arctic soils tend to be less diverse compared to the communities in temperate forest soils due to the harsher environmental conditions. Even in a single arctic site such as Alexandra Fiord, considered a terrestrial arctic oasis, fungal diversity is expected to be lower compared...
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University of Northern British Columbia
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ftarcabc:oai:arcabc.ca:unbc_16125 2024-06-02T07:54:47+00:00 Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. Lee, Young Joo Jenny (Author) Egger, Keith (Thesis advisor) University of Northern British Columbia (Degree granting institution) 2010 electronic Number of pages in document: 81 https://arcabc.ca/islandora/object/unbc%3A16125 https://doi.org/10.24124/2010/bpgub792 English eng University of Northern British Columbia https://arcabc.ca/islandora/object/unbc%3A16125 uuid: 24e3576c-574e-44c2-887c-cabe59a3e793 bib-number: MR75127 isbn: 978-0-494-75127-5 https://doi.org/10.24124/2010/bpgub792 lac: TC-BPGUB-792 Copyright retained by the author. http://rightsstatements.org/vocab/InC/1.0/ Fungal communities -- Nunavut -- Ellesmere Island Soils -- Nunavut -- Ellesmere Island QK604.2.C64 L44 2010 Text thesis 2010 ftarcabc https://doi.org/10.24124/2010/bpgub792 2024-05-06T00:30:44Z Fungal communities in arctic soils tend to be less diverse compared to the communities in temperate forest soils due to the harsher environmental conditions. Even in a single arctic site such as Alexandra Fiord, considered a terrestrial arctic oasis, fungal diversity is expected to be lower compared to soils in less extreme environments. We hypothesized that variations in environmental factors would play an important role in determining fungal community structure, as the Alexandra Fiord soils exhibits considerable environmental variation in a small geographic area. To test this hypothesis, we collected soil samples from three sites across the landscape and performed length-heterogeneity polymerase chain reaction (LH-PCR) analyses using ITS3 and NLB4 primers, which have been used successfully to characterize complex communities. Our results showed that there were large relative differences in fungal community structure between the sites. At the Alexandra Fiord Highland Dolomitic site diversity was low with genotypes relatively evenly distributed, whereas Alexandra Fiord Highland Granitic and Alexandra Fiord Lowland sites had higher diversity and a less even distribution of genotypes with a few occurring at a high frequency and many rare species. Among environmental variables, soil moisture, temperature, DOC, DON, C:N ratio and soil pH were significant influential factors in determining fungal community structure. Among these environmental factors, pH showed the strongest correlation with the fungal community data. --P. ii. The original print copy of this thesis may be available here: http://wizard.unbc.ca/record=b1741112 Thesis Alexandra Fiord Arctic Ellesmere Island Nunavut Arca (BC's Digital Treasures) Arctic Nunavut Ellesmere Island Alexandra Fiord ENVELOPE(-75.797,-75.797,78.885,78.885) |
institution |
Open Polar |
collection |
Arca (BC's Digital Treasures) |
op_collection_id |
ftarcabc |
language |
English |
topic |
Fungal communities -- Nunavut -- Ellesmere Island Soils -- Nunavut -- Ellesmere Island QK604.2.C64 L44 2010 |
spellingShingle |
Fungal communities -- Nunavut -- Ellesmere Island Soils -- Nunavut -- Ellesmere Island QK604.2.C64 L44 2010 Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. |
topic_facet |
Fungal communities -- Nunavut -- Ellesmere Island Soils -- Nunavut -- Ellesmere Island QK604.2.C64 L44 2010 |
description |
Fungal communities in arctic soils tend to be less diverse compared to the communities in temperate forest soils due to the harsher environmental conditions. Even in a single arctic site such as Alexandra Fiord, considered a terrestrial arctic oasis, fungal diversity is expected to be lower compared to soils in less extreme environments. We hypothesized that variations in environmental factors would play an important role in determining fungal community structure, as the Alexandra Fiord soils exhibits considerable environmental variation in a small geographic area. To test this hypothesis, we collected soil samples from three sites across the landscape and performed length-heterogeneity polymerase chain reaction (LH-PCR) analyses using ITS3 and NLB4 primers, which have been used successfully to characterize complex communities. Our results showed that there were large relative differences in fungal community structure between the sites. At the Alexandra Fiord Highland Dolomitic site diversity was low with genotypes relatively evenly distributed, whereas Alexandra Fiord Highland Granitic and Alexandra Fiord Lowland sites had higher diversity and a less even distribution of genotypes with a few occurring at a high frequency and many rare species. Among environmental variables, soil moisture, temperature, DOC, DON, C:N ratio and soil pH were significant influential factors in determining fungal community structure. Among these environmental factors, pH showed the strongest correlation with the fungal community data. --P. ii. The original print copy of this thesis may be available here: http://wizard.unbc.ca/record=b1741112 |
author2 |
Lee, Young Joo Jenny (Author) Egger, Keith (Thesis advisor) University of Northern British Columbia (Degree granting institution) |
format |
Thesis |
title |
Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. |
title_short |
Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. |
title_full |
Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. |
title_fullStr |
Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. |
title_full_unstemmed |
Fungal community assessment in Canadian arctic soils from Alexandra Fiord, Ellesmere Island, Nunavut. |
title_sort |
fungal community assessment in canadian arctic soils from alexandra fiord, ellesmere island, nunavut. |
publisher |
University of Northern British Columbia |
publishDate |
2010 |
url |
https://arcabc.ca/islandora/object/unbc%3A16125 https://doi.org/10.24124/2010/bpgub792 |
long_lat |
ENVELOPE(-75.797,-75.797,78.885,78.885) |
geographic |
Arctic Nunavut Ellesmere Island Alexandra Fiord |
geographic_facet |
Arctic Nunavut Ellesmere Island Alexandra Fiord |
genre |
Alexandra Fiord Arctic Ellesmere Island Nunavut |
genre_facet |
Alexandra Fiord Arctic Ellesmere Island Nunavut |
op_relation |
https://arcabc.ca/islandora/object/unbc%3A16125 uuid: 24e3576c-574e-44c2-887c-cabe59a3e793 bib-number: MR75127 isbn: 978-0-494-75127-5 https://doi.org/10.24124/2010/bpgub792 lac: TC-BPGUB-792 |
op_rights |
Copyright retained by the author. http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.24124/2010/bpgub792 |
_version_ |
1800743515597045760 |