Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )"
Arctic species are likely to experience rapid shifts in prey availability under climate change, which may alter their exposure to microbes and parasites. Here, we describe fecal bacterial and macroparasite communities and assess correlations with diet trophic level in Pacific walruses harvested duri...
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ftdatacite:10.6084/m9.figshare.c.5912784 2023-05-15T15:08:16+02:00 Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" Couch, Claire Sanders, Justin Sweitzer, Danielle Deignan, Kristen Cohen, Lesley Broughton, Heather Steingass, Sheanna Beechler, Brianna 2022 https://dx.doi.org/10.6084/m9.figshare.c.5912784 https://rs.figshare.com/collections/Supplementary_material_from_The_relationship_between_dietary_trophic_level_parasites_and_the_microbiome_of_Pacific_Walrus_i_Odobenus_rosmarus_divergens_i_/5912784 unknown The Royal Society https://dx.doi.org/10.1098/rspb.2022.0079 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY Ecology FOS Biological sciences 60102 Bioinformatics FOS Computer and information sciences Health Care Diseases 111706 Epidemiology FOS Health sciences article Collection 2022 ftdatacite https://doi.org/10.6084/m9.figshare.c.5912784 https://doi.org/10.1098/rspb.2022.0079 2022-04-01T18:05:38Z Arctic species are likely to experience rapid shifts in prey availability under climate change, which may alter their exposure to microbes and parasites. Here, we describe fecal bacterial and macroparasite communities and assess correlations with diet trophic level in Pacific walruses harvested during subsistence hunts by members of the Native Villages of Gambell and Savoonga on St. Lawrence Island, Alaska. Fecal bacterial communities were dominated by relatively few taxa, mostly belonging to phyla Fusobacteriota and Firmicutes. Members of parasite-associated phyla Nematoda, Acanthocephala and Platyhelminthes were prevalent in our study population. We hypothesized that high versus low prey trophic level (e.g. fish versus bivalves) would result in different bacterial and macroparasite communities. We found that bacterial community structure correlated to diet, with nine microbial clades enriched in walruses consuming higher trophic level prey. While no parasite compositional differences were found at the phylum level, the cestode genus Diphyllobothrium was more prevalent and abundant in walruses consuming higher trophic level prey, likely because fish are the intermediate hosts for this genus. This study suggests that diet is important for structuring both parasite and microbial communities of this culturally and ecologically important species, with potential implications for population health under climate change. Article in Journal/Newspaper Arctic Climate change Odobenus rosmarus Savoonga St Lawrence Island Alaska walrus* DataCite Metadata Store (German National Library of Science and Technology) Arctic Lawrence Island ENVELOPE(-103.718,-103.718,56.967,56.967) Pacific |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Ecology FOS Biological sciences 60102 Bioinformatics FOS Computer and information sciences Health Care Diseases 111706 Epidemiology FOS Health sciences |
spellingShingle |
Ecology FOS Biological sciences 60102 Bioinformatics FOS Computer and information sciences Health Care Diseases 111706 Epidemiology FOS Health sciences Couch, Claire Sanders, Justin Sweitzer, Danielle Deignan, Kristen Cohen, Lesley Broughton, Heather Steingass, Sheanna Beechler, Brianna Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" |
topic_facet |
Ecology FOS Biological sciences 60102 Bioinformatics FOS Computer and information sciences Health Care Diseases 111706 Epidemiology FOS Health sciences |
description |
Arctic species are likely to experience rapid shifts in prey availability under climate change, which may alter their exposure to microbes and parasites. Here, we describe fecal bacterial and macroparasite communities and assess correlations with diet trophic level in Pacific walruses harvested during subsistence hunts by members of the Native Villages of Gambell and Savoonga on St. Lawrence Island, Alaska. Fecal bacterial communities were dominated by relatively few taxa, mostly belonging to phyla Fusobacteriota and Firmicutes. Members of parasite-associated phyla Nematoda, Acanthocephala and Platyhelminthes were prevalent in our study population. We hypothesized that high versus low prey trophic level (e.g. fish versus bivalves) would result in different bacterial and macroparasite communities. We found that bacterial community structure correlated to diet, with nine microbial clades enriched in walruses consuming higher trophic level prey. While no parasite compositional differences were found at the phylum level, the cestode genus Diphyllobothrium was more prevalent and abundant in walruses consuming higher trophic level prey, likely because fish are the intermediate hosts for this genus. This study suggests that diet is important for structuring both parasite and microbial communities of this culturally and ecologically important species, with potential implications for population health under climate change. |
format |
Article in Journal/Newspaper |
author |
Couch, Claire Sanders, Justin Sweitzer, Danielle Deignan, Kristen Cohen, Lesley Broughton, Heather Steingass, Sheanna Beechler, Brianna |
author_facet |
Couch, Claire Sanders, Justin Sweitzer, Danielle Deignan, Kristen Cohen, Lesley Broughton, Heather Steingass, Sheanna Beechler, Brianna |
author_sort |
Couch, Claire |
title |
Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" |
title_short |
Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" |
title_full |
Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" |
title_fullStr |
Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" |
title_full_unstemmed |
Supplementary material from "The relationship between dietary trophic level, parasites and the microbiome of Pacific Walrus ( Odobenus rosmarus divergens )" |
title_sort |
supplementary material from "the relationship between dietary trophic level, parasites and the microbiome of pacific walrus ( odobenus rosmarus divergens )" |
publisher |
The Royal Society |
publishDate |
2022 |
url |
https://dx.doi.org/10.6084/m9.figshare.c.5912784 https://rs.figshare.com/collections/Supplementary_material_from_The_relationship_between_dietary_trophic_level_parasites_and_the_microbiome_of_Pacific_Walrus_i_Odobenus_rosmarus_divergens_i_/5912784 |
long_lat |
ENVELOPE(-103.718,-103.718,56.967,56.967) |
geographic |
Arctic Lawrence Island Pacific |
geographic_facet |
Arctic Lawrence Island Pacific |
genre |
Arctic Climate change Odobenus rosmarus Savoonga St Lawrence Island Alaska walrus* |
genre_facet |
Arctic Climate change Odobenus rosmarus Savoonga St Lawrence Island Alaska walrus* |
op_relation |
https://dx.doi.org/10.1098/rspb.2022.0079 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.c.5912784 https://doi.org/10.1098/rspb.2022.0079 |
_version_ |
1766339661518602240 |