Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods
Snow may prevent Arctic herbivores from accessing their forage in winter, forcing them to aggregate in the few patches with limited snow. In High Arctic Greenland, Arctic hare and rock ptarmigan often forage in muskox feeding craters. We therefore hypothesized that due to limited availability of for...
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Online Access: | https://doi.org/10.5061/dryad.48t6710 |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::d428d71b21e668b4c8f87d8432a636cd 2023-05-15T14:31:31+02:00 Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods Schmidt, Niels M. Mosbacher, Jesper B. Vesterinen, Eero J. Roslin, Tomas Michelsen, Anders 2020-07-06 https://doi.org/10.5061/dryad.48t6710 undefined unknown Dryad https://dx.doi.org/10.5061/dryad.48t6710 http://dx.doi.org/10.5061/dryad.48t6710 lic_creative-commons 10.5061/dryad.48t6710 oai:easy.dans.knaw.nl:easy-dataset:104500 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:104500 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 re3data_____::r3d100000044 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 competition Metabarcoding Anthropocene Lagopus mutus stable isotopes Ovibos moschatus Lepus arcticus tundra Greenland Arctic Life sciences medicine and health care envir geo Dataset https://vocabularies.coar-repositories.org/resource_types/c_ddb1/ 2020 fttriple https://doi.org/10.5061/dryad.48t6710 2023-01-22T17:23:39Z Snow may prevent Arctic herbivores from accessing their forage in winter, forcing them to aggregate in the few patches with limited snow. In High Arctic Greenland, Arctic hare and rock ptarmigan often forage in muskox feeding craters. We therefore hypothesized that due to limited availability of forage, the dietary niches of these resident herbivores overlap considerably, and that the overlap increases as winter progresses. To test this, we analyzed fecal samples collected in early and late winter. We used molecular analysis to identify the plant taxa consumed, and stable isotope ratios of carbon and nitrogen to quantify the dietary niche breadth and dietary overlap. The plant taxa found indicated only limited dietary differentiation between the herbivores. As expected, dietary niches exhibited a strong contraction from early to late winter, especially for rock ptarmigan. This may indicate increasing reliance on particular plant resources as winter progresses. In early winter, the diet of rock ptarmigan overlapped slightly with that of muskox and Arctic hare. Contrary to our expectations, no inter-specific dietary niche overlap was observed in late winter. This overall pattern was specifically revealed by combined analysis of molecular data and stable isotope contents. Hence, despite foraging in the same areas and generally feeding on the same plant taxa, the quantitative dietary overlap between the three herbivores was limited. This may be attributable to species-specific consumption rates of plant taxa. Yet, Arctic hare and rock ptarmigan may benefit from muskox opening up the snow pack, thereby allowing them to access the plants. ZOTUsDenoised, chimera-filtered, and clustered ZOTUs from the sequence data.ZOTUtabsZOTUtab linking ZOTUs to samples (and replicates).Raw Fastq filesRaw fastq files from the first (primers pairs ch, gh, and ITS; all samples pooled and then index-tagged) and second run (primer pairs ch and gh, all reactions and replicates tagged individually) for the study. The file names refer to the ... Dataset Arctic hare Arctic Greenland Lagopus mutus Lepus arcticus muskox ovibos moschatus rock ptarmigan Tundra Unknown Arctic Greenland |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
unknown |
topic |
competition Metabarcoding Anthropocene Lagopus mutus stable isotopes Ovibos moschatus Lepus arcticus tundra Greenland Arctic Life sciences medicine and health care envir geo |
spellingShingle |
competition Metabarcoding Anthropocene Lagopus mutus stable isotopes Ovibos moschatus Lepus arcticus tundra Greenland Arctic Life sciences medicine and health care envir geo Schmidt, Niels M. Mosbacher, Jesper B. Vesterinen, Eero J. Roslin, Tomas Michelsen, Anders Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods |
topic_facet |
competition Metabarcoding Anthropocene Lagopus mutus stable isotopes Ovibos moschatus Lepus arcticus tundra Greenland Arctic Life sciences medicine and health care envir geo |
description |
Snow may prevent Arctic herbivores from accessing their forage in winter, forcing them to aggregate in the few patches with limited snow. In High Arctic Greenland, Arctic hare and rock ptarmigan often forage in muskox feeding craters. We therefore hypothesized that due to limited availability of forage, the dietary niches of these resident herbivores overlap considerably, and that the overlap increases as winter progresses. To test this, we analyzed fecal samples collected in early and late winter. We used molecular analysis to identify the plant taxa consumed, and stable isotope ratios of carbon and nitrogen to quantify the dietary niche breadth and dietary overlap. The plant taxa found indicated only limited dietary differentiation between the herbivores. As expected, dietary niches exhibited a strong contraction from early to late winter, especially for rock ptarmigan. This may indicate increasing reliance on particular plant resources as winter progresses. In early winter, the diet of rock ptarmigan overlapped slightly with that of muskox and Arctic hare. Contrary to our expectations, no inter-specific dietary niche overlap was observed in late winter. This overall pattern was specifically revealed by combined analysis of molecular data and stable isotope contents. Hence, despite foraging in the same areas and generally feeding on the same plant taxa, the quantitative dietary overlap between the three herbivores was limited. This may be attributable to species-specific consumption rates of plant taxa. Yet, Arctic hare and rock ptarmigan may benefit from muskox opening up the snow pack, thereby allowing them to access the plants. ZOTUsDenoised, chimera-filtered, and clustered ZOTUs from the sequence data.ZOTUtabsZOTUtab linking ZOTUs to samples (and replicates).Raw Fastq filesRaw fastq files from the first (primers pairs ch, gh, and ITS; all samples pooled and then index-tagged) and second run (primer pairs ch and gh, all reactions and replicates tagged individually) for the study. The file names refer to the ... |
format |
Dataset |
author |
Schmidt, Niels M. Mosbacher, Jesper B. Vesterinen, Eero J. Roslin, Tomas Michelsen, Anders |
author_facet |
Schmidt, Niels M. Mosbacher, Jesper B. Vesterinen, Eero J. Roslin, Tomas Michelsen, Anders |
author_sort |
Schmidt, Niels M. |
title |
Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods |
title_short |
Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods |
title_full |
Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods |
title_fullStr |
Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods |
title_full_unstemmed |
Data from: Limited dietary overlap amongst resident Arctic herbivores in winter - complementary insights from complementary methods |
title_sort |
data from: limited dietary overlap amongst resident arctic herbivores in winter - complementary insights from complementary methods |
publisher |
Dryad |
publishDate |
2020 |
url |
https://doi.org/10.5061/dryad.48t6710 |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic hare Arctic Greenland Lagopus mutus Lepus arcticus muskox ovibos moschatus rock ptarmigan Tundra |
genre_facet |
Arctic hare Arctic Greenland Lagopus mutus Lepus arcticus muskox ovibos moschatus rock ptarmigan Tundra |
op_source |
10.5061/dryad.48t6710 oai:easy.dans.knaw.nl:easy-dataset:104500 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:104500 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 re3data_____::r3d100000044 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 |
op_relation |
https://dx.doi.org/10.5061/dryad.48t6710 http://dx.doi.org/10.5061/dryad.48t6710 |
op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.5061/dryad.48t6710 |
_version_ |
1766305125923553280 |