Potential influence of birds on soil testate amoebae in the Arctic
Birds can be an important agent of environmental change in High Arctic ecosystems, particularly due to the role of seabirds as a vector transferring nutrients from the marine to terrestrial realms. The soils of bird nesting sites are known to host distinct plant communities but the consequences of b...
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Format: | Article in Journal/Newspaper |
Language: | English |
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2018
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ftnipr:oai:nipr.repo.nii.ac.jp:00015061 2023-05-15T14:51:38+02:00 Potential influence of birds on soil testate amoebae in the Arctic 2018-06 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=15061 http://id.nii.ac.jp/1291/00014975/ en eng https://doi.org/10.1016/j.polar.2018.03.001 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=15061 http://id.nii.ac.jp/1291/00014975/ Polar Science, 16, 78-85(2018-06) 18739652 Birds Testate amoebae Protists Protozoa Svalbard Journal Article 2018 ftnipr https://doi.org/10.1016/j.polar.2018.03.001 2022-12-03T19:43:10Z Birds can be an important agent of environmental change in High Arctic ecosystems, particularly due to the role of seabirds as a vector transferring nutrients from the marine to terrestrial realms. The soils of bird nesting sites are known to host distinct plant communities but the consequences of bird modification for microorganisms are much less clear. Our focus here is testate amoebae: a widely-distributed group of protists with significant roles in many aspects of ecosystem functioning. We compared the testate amoeba assemblages of a site on Spitsbergen (Svalbard archipelago) affected by nesting birds, with nearby control sites. We found differences in assemblage between sites, typified by reduced relative abundance of Phryganella acropodia and Centropyxis aerophila in bird-modified soils. These changes may reflect a reduced availability of fungal food sources. We found no evidence for differences in assemblage diversity or test concentration between bird-modified and control soils. Our dataset is small but results provide the first evidence for the potential effect of bird modification of soils on testate amoebae in the Arctic. Results show only limited similarity to experimental studies of nutrient addition, implying that response mechanisms may be more complicated than simply additional nutrient supply. Article in Journal/Newspaper Arctic Polar Science Polar Science Svalbard Spitsbergen National Institute of Polar Research Repository, Japan Arctic Svalbard Svalbard Archipelago Polar Science 16 78 85 |
institution |
Open Polar |
collection |
National Institute of Polar Research Repository, Japan |
op_collection_id |
ftnipr |
language |
English |
topic |
Birds Testate amoebae Protists Protozoa Svalbard |
spellingShingle |
Birds Testate amoebae Protists Protozoa Svalbard Potential influence of birds on soil testate amoebae in the Arctic |
topic_facet |
Birds Testate amoebae Protists Protozoa Svalbard |
description |
Birds can be an important agent of environmental change in High Arctic ecosystems, particularly due to the role of seabirds as a vector transferring nutrients from the marine to terrestrial realms. The soils of bird nesting sites are known to host distinct plant communities but the consequences of bird modification for microorganisms are much less clear. Our focus here is testate amoebae: a widely-distributed group of protists with significant roles in many aspects of ecosystem functioning. We compared the testate amoeba assemblages of a site on Spitsbergen (Svalbard archipelago) affected by nesting birds, with nearby control sites. We found differences in assemblage between sites, typified by reduced relative abundance of Phryganella acropodia and Centropyxis aerophila in bird-modified soils. These changes may reflect a reduced availability of fungal food sources. We found no evidence for differences in assemblage diversity or test concentration between bird-modified and control soils. Our dataset is small but results provide the first evidence for the potential effect of bird modification of soils on testate amoebae in the Arctic. Results show only limited similarity to experimental studies of nutrient addition, implying that response mechanisms may be more complicated than simply additional nutrient supply. |
format |
Article in Journal/Newspaper |
title |
Potential influence of birds on soil testate amoebae in the Arctic |
title_short |
Potential influence of birds on soil testate amoebae in the Arctic |
title_full |
Potential influence of birds on soil testate amoebae in the Arctic |
title_fullStr |
Potential influence of birds on soil testate amoebae in the Arctic |
title_full_unstemmed |
Potential influence of birds on soil testate amoebae in the Arctic |
title_sort |
potential influence of birds on soil testate amoebae in the arctic |
publishDate |
2018 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=15061 http://id.nii.ac.jp/1291/00014975/ |
geographic |
Arctic Svalbard Svalbard Archipelago |
geographic_facet |
Arctic Svalbard Svalbard Archipelago |
genre |
Arctic Polar Science Polar Science Svalbard Spitsbergen |
genre_facet |
Arctic Polar Science Polar Science Svalbard Spitsbergen |
op_relation |
https://doi.org/10.1016/j.polar.2018.03.001 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=15061 http://id.nii.ac.jp/1291/00014975/ Polar Science, 16, 78-85(2018-06) 18739652 |
op_doi |
https://doi.org/10.1016/j.polar.2018.03.001 |
container_title |
Polar Science |
container_volume |
16 |
container_start_page |
78 |
op_container_end_page |
85 |
_version_ |
1766322772959559680 |