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A comparison of epiphytic nematode diversity and assemblages in Corallina turves on British and South Korean coasts across hierarchical spatial scales

A comparison of epiphytic nematode diversity and assemblages in Corallina turves on British and South Korean coasts across hierarchical spatial scales
A comparison of epiphytic nematode diversity and assemblages in Corallina turves on British and South Korean coasts across hierarchical spatial scales
Cosmopolitan habitat-forming taxa of algae such as the genus Corallina provide an opportunity to compare patterns of biodiversity over wide geographic scales. Nematode assemblages inhabiting Corallina turves were compared between the south coasts of the British Isles and South Korea. A fully nested design was used with three regions in each country, two shores in each region and replicate samples taken from three patches on each shore to compare differences in the taxonomic and biological trait composition of nematode assemblages across scales. A biological traits approach, based on functional diversity of nematodes, was used to make comparisons between countries, among regions, between shores and among patches. The taxonomic and biological trait compositions of nematode assemblages were significantly different across all spatial scales (patches, shores, regions and countries). There is greater variation amongst nematode assemblages at the scale of shore than at other spatial scales. Nematode assemblage structure and functional traits are influenced by the local environmental factors on each shore including sea-surface temperature, the amount of sediment trapped in Corallina spp. and tidal range. The sea-surface temperature and the amount of sediment trapped in Corallina spp. were the predominant factors determining nematode abundance and composition of assemblages and their functional diversity.
0025-3154
1-13
Kim, Hyeong-gi
d076978e-b593-4740-8708-62ea0e4dbc81
Hawkins, Lawrence E.
9c4d1845-82db-4305-acb5-31b218ac9c0e
Godbold, Jasmin A.
df6da569-e7ea-43ca-8a95-a563829fb88a
Maclean, Moira
61661eb4-5549-4b68-b085-6fdd352664cb
Oh, Chul-woong
7869e618-c5b8-4da6-b74f-59d48133156c
Rho, Hyun Soo
8796dbf9-cfc3-4c19-9146-c9c19c6abda7
Hawkins, Stephen J.
758fe1c1-30cd-4ed1-bb65-2471dc7c11fa
Kim, Hyeong-gi
d076978e-b593-4740-8708-62ea0e4dbc81
Hawkins, Lawrence E.
9c4d1845-82db-4305-acb5-31b218ac9c0e
Godbold, Jasmin A.
df6da569-e7ea-43ca-8a95-a563829fb88a
Maclean, Moira
61661eb4-5549-4b68-b085-6fdd352664cb
Oh, Chul-woong
7869e618-c5b8-4da6-b74f-59d48133156c
Rho, Hyun Soo
8796dbf9-cfc3-4c19-9146-c9c19c6abda7
Hawkins, Stephen J.
758fe1c1-30cd-4ed1-bb65-2471dc7c11fa

Kim, Hyeong-gi, Hawkins, Lawrence E., Godbold, Jasmin A., Maclean, Moira, Oh, Chul-woong, Rho, Hyun Soo and Hawkins, Stephen J. (2019) A comparison of epiphytic nematode diversity and assemblages in Corallina turves on British and South Korean coasts across hierarchical spatial scales. Journal of the Marine Biological Association of the United Kingdom, 1-13. (doi:10.1017/S0025315419000523).

Record type: Article

Abstract

Cosmopolitan habitat-forming taxa of algae such as the genus Corallina provide an opportunity to compare patterns of biodiversity over wide geographic scales. Nematode assemblages inhabiting Corallina turves were compared between the south coasts of the British Isles and South Korea. A fully nested design was used with three regions in each country, two shores in each region and replicate samples taken from three patches on each shore to compare differences in the taxonomic and biological trait composition of nematode assemblages across scales. A biological traits approach, based on functional diversity of nematodes, was used to make comparisons between countries, among regions, between shores and among patches. The taxonomic and biological trait compositions of nematode assemblages were significantly different across all spatial scales (patches, shores, regions and countries). There is greater variation amongst nematode assemblages at the scale of shore than at other spatial scales. Nematode assemblage structure and functional traits are influenced by the local environmental factors on each shore including sea-surface temperature, the amount of sediment trapped in Corallina spp. and tidal range. The sea-surface temperature and the amount of sediment trapped in Corallina spp. were the predominant factors determining nematode abundance and composition of assemblages and their functional diversity.

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e-pub ahead of print date: 26 June 2019

Identifiers

Local EPrints ID: 433900
URI: http://eprints.soton.ac.uk/id/eprint/433900
ISSN: 0025-3154
PURE UUID: a3697f92-8c61-42df-b6d7-3002d0cf88c7
ORCID for Lawrence E. Hawkins: ORCID iD orcid.org/0000-0002-9236-2396
ORCID for Jasmin A. Godbold: ORCID iD orcid.org/0000-0001-5558-8188
ORCID for Moira Maclean: ORCID iD orcid.org/0000-0002-0821-5781

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Date deposited: 05 Sep 2019 16:30
Last modified: 26 Dec 2019 05:01

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