Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities
Background Shrub cover in arctic and alpine ecosystems has increased in recent decades, and is predicted to further increase with climate change. Changes in shrub abundance may alter ecosystem carbon (C) sequestration and storage, with potential positive feedback on global C cycling. Small and large...
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fttriple:oai:gotriple.eu:50|dedup_wf_001::4a27321b5fac298f367e296ad20d0122 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
Gross ecosystem photosynthesis Ecosystem respiration Salix Grazing Tundra Meadow Ecology Evolution Behavior and Systematics General Environmental Science Research Article Heath Shrub expansion Herbivory Biomass envir geo |
spellingShingle |
Gross ecosystem photosynthesis Ecosystem respiration Salix Grazing Tundra Meadow Ecology Evolution Behavior and Systematics General Environmental Science Research Article Heath Shrub expansion Herbivory Biomass envir geo Dagmar Hagen Richard Strimbeck Kristin Odden Nystuen Brian J. Enquist Bente J. Graae Mia Vedel Sørensen Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
topic_facet |
Gross ecosystem photosynthesis Ecosystem respiration Salix Grazing Tundra Meadow Ecology Evolution Behavior and Systematics General Environmental Science Research Article Heath Shrub expansion Herbivory Biomass envir geo |
description |
Background Shrub cover in arctic and alpine ecosystems has increased in recent decades, and is predicted to further increase with climate change. Changes in shrub abundance may alter ecosystem carbon (C) sequestration and storage, with potential positive feedback on global C cycling. Small and large herbivores may reduce shrub expansion and thereby counteract the positive feedback on C cycling, but herbivore pressures have also changed in the alpine-arctic tundra; the increased shrub cover together with changes in herbivore pressure is leading to unpredictable changes in carbon sequestration and storage. In this study we investigate the importance of herbivory and shrub introduction for carbon sequestration in the short term. We measured standing biomass and daytime mid-growing season carbon fluxes in plots in a full factorial design where we excluded small and large mammalian herbivores and introduced Salix by planting Salix transplants. We used three study sites: one Empetrum-dominated heath, one herb- and cryptogam-dominated meadow, and one Salix-dominated shrub community in the low-alpine zone of the Dovre Mountains, Central Norway. Results After 2 years, significant treatment effects were recorded in the heath community, but not in the meadow and shrub communities. In the heath community cessation of herbivory increased standing biomass due to increased biomass of dwarf shrubs. Cessation of herbivory also reduced biomass of bryophytes and ecosystem respiration (ER). Except for an increase in biomass of deciduous shrubs caused by the Salix introduction, the only effect of Salix introduction was an increase in biomass of graminoids in the heath. Conclusions Our short-term study demonstrated that herbivore exclusion had small but still significant effects on heath vegetation, whereas such effects were not apparent in the herb-and cryptogam-dominated meadow and the Salix-dominated shrub community. Following the treatments over more years is needed to estimate the long-term effects on community structure and the ... |
format |
Article in Journal/Newspaper |
author |
Dagmar Hagen Richard Strimbeck Kristin Odden Nystuen Brian J. Enquist Bente J. Graae Mia Vedel Sørensen |
author_facet |
Dagmar Hagen Richard Strimbeck Kristin Odden Nystuen Brian J. Enquist Bente J. Graae Mia Vedel Sørensen |
author_sort |
Dagmar Hagen |
title |
Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
title_short |
Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
title_full |
Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
title_fullStr |
Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
title_full_unstemmed |
Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
title_sort |
experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities |
publisher |
BMC |
publishDate |
2018 |
url |
http://link.springer.com/content/pdf/10.1186/s12898-018-0185-9.pdf http://link.springer.com/article/10.1186/s12898-018-0185-9 http://link.springer.com/article/10.1186/s12898-018-0185-9/fulltext.html https://doi.org/10.1186/s12898-018-0185-9 https://bmcecol.biomedcentral.com/articles/10.1186/s12898-018-0185-9 https://ntnuopen.ntnu.no/ntnu-xmlui/handle/11250/2567557 https://www.ncbi.nlm.nih.gov/pubmed/30165832 https://repository.arizona.edu/handle/10150/631504 https://brage.bibsys.no/xmlui/handle/11250/2567557 https://arizona.pure.elsevier.com/en/publications/experimental-herbivore-exclusion-shrub-introduction-and-carbon-se https://link.springer.com/article/10.1186/s12898-018-0185-9 https://academic.microsoft.com/#/detail/2889186681 http://europepmc.org/articles/PMC6117883 |
geographic |
Arctic Norway |
geographic_facet |
Arctic Norway |
genre |
Arctic Climate change Tundra |
genre_facet |
Arctic Climate change Tundra |
op_source |
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op_relation |
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op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.1186/s12898-018-0185-9 |
container_title |
BMC Ecology |
container_volume |
18 |
container_issue |
1 |
_version_ |
1766335575055400960 |
spelling |
fttriple:oai:gotriple.eu:50|dedup_wf_001::4a27321b5fac298f367e296ad20d0122 2023-05-15T15:03:43+02:00 Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities Dagmar Hagen Richard Strimbeck Kristin Odden Nystuen Brian J. Enquist Bente J. Graae Mia Vedel Sørensen 2018-08-30 http://link.springer.com/content/pdf/10.1186/s12898-018-0185-9.pdf http://link.springer.com/article/10.1186/s12898-018-0185-9 http://link.springer.com/article/10.1186/s12898-018-0185-9/fulltext.html https://doi.org/10.1186/s12898-018-0185-9 https://bmcecol.biomedcentral.com/articles/10.1186/s12898-018-0185-9 https://ntnuopen.ntnu.no/ntnu-xmlui/handle/11250/2567557 https://www.ncbi.nlm.nih.gov/pubmed/30165832 https://repository.arizona.edu/handle/10150/631504 https://brage.bibsys.no/xmlui/handle/11250/2567557 https://arizona.pure.elsevier.com/en/publications/experimental-herbivore-exclusion-shrub-introduction-and-carbon-se https://link.springer.com/article/10.1186/s12898-018-0185-9 https://academic.microsoft.com/#/detail/2889186681 http://europepmc.org/articles/PMC6117883 en eng BMC http://link.springer.com/content/pdf/10.1186/s12898-018-0185-9.pdf http://link.springer.com/article/10.1186/s12898-018-0185-9 http://link.springer.com/article/10.1186/s12898-018-0185-9/fulltext.html http://dx.doi.org/10.1186/s12898-018-0185-9 https://doi.org/10.1186/s12898-018-0185-9 https://bmcecol.biomedcentral.com/articles/10.1186/s12898-018-0185-9 https://ntnuopen.ntnu.no/ntnu-xmlui/handle/11250/2567557 https://www.ncbi.nlm.nih.gov/pubmed/30165832 https://repository.arizona.edu/handle/10150/631504 https://brage.bibsys.no/xmlui/handle/11250/2567557 https://arizona.pure.elsevier.com/en/publications/experimental-herbivore-exclusion-shrub-introduction-and-carbon-se https://link.springer.com/article/10.1186/s12898-018-0185-9 https://academic.microsoft.com/#/detail/2889186681 https://dx.doi.org/10.1186/s12898-018-0185-9 http://europepmc.org/articles/PMC6117883 lic_creative-commons oai:doaj.org/article:389d3e1dd8f54dfe91a1e2bf5cea3bd5 oai:ntnuopen.ntnu.no:11250/2567557 oai:nordopen.nord.no:11250/2574011 185 10.1186/s12898-018-0185-9 2889186681 30165832 oai:pubmedcentral.nih.gov:6117883 10|driver______::bee53aa31dc2cbb538c10c2b65fa5824 10|doajarticles::e06e5ebcc0b67ce0e80cb6a22c5618a5 10|opendoar____::5ea1649a31336092c05438df996a3e59 10|opendoar____::8d9fc2308c8f28d2a7d2f6f48801c705 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 10|openaire____::8ac8380272269217cb09a928c8caa993 10|openaire____::5f532a3fc4f1ea403f37070f59a7a53a 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|openaire____::55045bd2a65019fd8e6741a755395c8c openaire____::1256f046-bf1f-4afc-8b47-d0b147148b18 10|opendoar____::eda80a3d5b344bc40f3bc04f65b7a357 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c 10|openaire____::806360c771262b4d6770e7cdf04b5c5a Gross ecosystem photosynthesis Ecosystem respiration Salix Grazing Tundra Meadow Ecology Evolution Behavior and Systematics General Environmental Science Research Article Heath Shrub expansion Herbivory Biomass envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2018 fttriple https://doi.org/10.1186/s12898-018-0185-9 2023-01-22T17:15:23Z Background Shrub cover in arctic and alpine ecosystems has increased in recent decades, and is predicted to further increase with climate change. Changes in shrub abundance may alter ecosystem carbon (C) sequestration and storage, with potential positive feedback on global C cycling. Small and large herbivores may reduce shrub expansion and thereby counteract the positive feedback on C cycling, but herbivore pressures have also changed in the alpine-arctic tundra; the increased shrub cover together with changes in herbivore pressure is leading to unpredictable changes in carbon sequestration and storage. In this study we investigate the importance of herbivory and shrub introduction for carbon sequestration in the short term. We measured standing biomass and daytime mid-growing season carbon fluxes in plots in a full factorial design where we excluded small and large mammalian herbivores and introduced Salix by planting Salix transplants. We used three study sites: one Empetrum-dominated heath, one herb- and cryptogam-dominated meadow, and one Salix-dominated shrub community in the low-alpine zone of the Dovre Mountains, Central Norway. Results After 2 years, significant treatment effects were recorded in the heath community, but not in the meadow and shrub communities. In the heath community cessation of herbivory increased standing biomass due to increased biomass of dwarf shrubs. Cessation of herbivory also reduced biomass of bryophytes and ecosystem respiration (ER). Except for an increase in biomass of deciduous shrubs caused by the Salix introduction, the only effect of Salix introduction was an increase in biomass of graminoids in the heath. Conclusions Our short-term study demonstrated that herbivore exclusion had small but still significant effects on heath vegetation, whereas such effects were not apparent in the herb-and cryptogam-dominated meadow and the Salix-dominated shrub community. Following the treatments over more years is needed to estimate the long-term effects on community structure and the ... Article in Journal/Newspaper Arctic Climate change Tundra Unknown Arctic Norway BMC Ecology 18 1 |