Topographic complexity and biotic resilience to climate change
Topographically complex alpine terrains create a mosaic of diverse microclimates over short distances. This study investigated the extent of small-scale variation in temperature and soil moisture using dense arrays of temperature loggers and moisture measurements, and how this microclimatic variatio...
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Online Access: | http://hdl.handle.net/11250/245211 |
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ftntnutrondheimi:oai:ntnuopen.ntnu.no:11250/245211 2023-05-15T18:40:24+02:00 Topographic complexity and biotic resilience to climate change Opedal, Øystein Hjorthol Graae, Bente Jessen Armbruster, W. Scott Norges teknisk-naturvitenskapelige universitet, Fakultet for naturvitenskap og teknologi, Institutt for biologi 2013 http://hdl.handle.net/11250/245211 eng eng Institutt for biologi 637017 ntnudaim:10192 http://hdl.handle.net/11250/245211 33 Master thesis 2013 ftntnutrondheimi 2019-09-17T06:49:10Z Topographically complex alpine terrains create a mosaic of diverse microclimates over short distances. This study investigated the extent of small-scale variation in temperature and soil moisture using dense arrays of temperature loggers and moisture measurements, and how this microclimatic variation influenced vascular-plant species richness and intra-specific trait variation across five pairs of 40x40 m landscape plots of contrasting complexity in alpine tundra at Finse, Norway. Spatial variation in mean temperature within landscape plots was in the range of 2-4 °C, similar to what is expected across large altitudinal or latitudinal distances, suggesting an important buffering capacity of such landscapes in the event of climate warming. Rough landscapes contained more species than flatter ones, while patterns of within-species phenotypic variation were less clear and differed between species. These results suggest that local reshuffling and short-distance migration will be important biotic responses to climate change in this system, with assumed associated changes in biotic interactions and ecosystem function. The study also highlights the importance of mountains as target areas for biodiversity conservation. Master Thesis Tundra NTNU Open Archive (Norwegian University of Science and Technology) Norway |
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Open Polar |
collection |
NTNU Open Archive (Norwegian University of Science and Technology) |
op_collection_id |
ftntnutrondheimi |
language |
English |
description |
Topographically complex alpine terrains create a mosaic of diverse microclimates over short distances. This study investigated the extent of small-scale variation in temperature and soil moisture using dense arrays of temperature loggers and moisture measurements, and how this microclimatic variation influenced vascular-plant species richness and intra-specific trait variation across five pairs of 40x40 m landscape plots of contrasting complexity in alpine tundra at Finse, Norway. Spatial variation in mean temperature within landscape plots was in the range of 2-4 °C, similar to what is expected across large altitudinal or latitudinal distances, suggesting an important buffering capacity of such landscapes in the event of climate warming. Rough landscapes contained more species than flatter ones, while patterns of within-species phenotypic variation were less clear and differed between species. These results suggest that local reshuffling and short-distance migration will be important biotic responses to climate change in this system, with assumed associated changes in biotic interactions and ecosystem function. The study also highlights the importance of mountains as target areas for biodiversity conservation. |
author2 |
Graae, Bente Jessen Armbruster, W. Scott Norges teknisk-naturvitenskapelige universitet, Fakultet for naturvitenskap og teknologi, Institutt for biologi |
format |
Master Thesis |
author |
Opedal, Øystein Hjorthol |
spellingShingle |
Opedal, Øystein Hjorthol Topographic complexity and biotic resilience to climate change |
author_facet |
Opedal, Øystein Hjorthol |
author_sort |
Opedal, Øystein Hjorthol |
title |
Topographic complexity and biotic resilience to climate change |
title_short |
Topographic complexity and biotic resilience to climate change |
title_full |
Topographic complexity and biotic resilience to climate change |
title_fullStr |
Topographic complexity and biotic resilience to climate change |
title_full_unstemmed |
Topographic complexity and biotic resilience to climate change |
title_sort |
topographic complexity and biotic resilience to climate change |
publisher |
Institutt for biologi |
publishDate |
2013 |
url |
http://hdl.handle.net/11250/245211 |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Tundra |
genre_facet |
Tundra |
op_source |
33 |
op_relation |
637017 ntnudaim:10192 http://hdl.handle.net/11250/245211 |
_version_ |
1766229749526429696 |