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Patterns of moss richness in Admiralty Bay, King George Island, cannot be explained by geological or ornithogenic drivers alone

Published online by Cambridge University Press:  08 April 2022

Bárbara Guedes Costa Silva Open the ORCID record for Bárbara Guedes Costa Silva [Opens in a new window] ,
Peter Convey Open the ORCID record for Peter Convey [Opens in a new window] ,
Micheline Carvalho-Silva Open the ORCID record for Micheline Carvalho-Silva [Opens in a new window] ,
Eduardo Toledo Amorim ,
Jairo Patiño  and
Paulo Eduardo Aguiar Saraiva Câmara Open the ORCID record for Paulo Eduardo Aguiar Saraiva Câmara [Opens in a new window]
Bárbara Guedes Costa Silva*
Affiliation:
University of Brasilia, Brasilia, Brazil
Peter Convey
Affiliation:
British Antarctic Survey, Cambridge, UK University of Johannesburg, Johannesburg, South Africa
Micheline Carvalho-Silva
Affiliation:
University of Brasilia, Brasilia, Brazil
Eduardo Toledo Amorim
Affiliation:
Centro Nacional de Conservação da Flora - Jardim Botânico do Rio de Janeiro (CNCFlora - JBRJ), Brazil
Jairo Patiño
Affiliation:
Island Ecology and Evolution Research Group, Instituto de Productos Naturales y Agrobiología (IPNA), Consejo Superior de Investigaciones Científicas (IPNA-CSIC), Tenerife, Canary Islands, Spain Department of Botany, Ecology and Plant Physiology, University of La Laguna, Tenerife, Canary Islands, Spain
Paulo Eduardo Aguiar Saraiva Câmara
Affiliation:
University of Brasilia, Brasilia, Brazil
*
[email protected]
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Abstract

We set out to document the diversity and distribution of bryophytes in Admiralty Bay and thereby enable the identification of patterns in local diversity and their possible drivers. Combining data extracted from different sources and recent collections, we documented the presence of 63 species. Similarity analyses of moss species diversity in relation to underlying geology and ornithogenic influence identified an identical cophenetic correlation coefficient of 0.744 for both factors. The Sørensen index was < 0.6, indicating that the groups share < 60% of the species recorded. The data showed that the selected filters (ornithogenic soils, non-ornithogenic soils and different geological extracts) did not underlie consistent species groupings, and we conclude that other environmental and topographical factors are likely to be responsible for shaping the moss community structure in Admiralty Bay. To enable effective management of Antarctic Specially Managed Area (ASMA) No. 1 and Antarctic Specially Protected Area (ASPA) No. 128, robust assessments of the local ecosystem and biodiversity are necessary to assist in the decision-making processes mandated under the Antarctic Treaty System, one of whose founding principles is the preservation of the Antarctic ecosystem.

Keywords

bryophytesenvironmental filtersgeological extractsnon-ornithogenic soilsornithogenic soils
Type
Biological Sciences
Information
Antarctic Science , Volume 34 , Issue 3 , June 2022 , pp. 208 - 222
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Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press on behalf of Antarctic Science Ltd.

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