Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea

The coastal area of Ulleungdo in the East Sea has experienced large climate and environmental changes. However, research on marine benthic animals in this area has been very limited. In the present study, we investigated the spatial and temporal distribution of benthic polychaetes to determine their...

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Autores principales:	Sang-Lyeol Kim, Ok-Hwan Yu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	macrobenthos polychaetes assemblage Ulleungdo East Sea spatial distribution Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581
Acceso en línea:	https://doaj.org/article/0ccbb0c6c4174eceb2cf567af8ad6831
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id	oai:doaj.org-article:0ccbb0c6c4174eceb2cf567af8ad6831
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spelling	oai:doaj.org-article:0ccbb0c6c4174eceb2cf567af8ad68312021-11-25T18:05:21ZUnderstanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea10.3390/jmse91113102077-1312https://doaj.org/article/0ccbb0c6c4174eceb2cf567af8ad68312021-11-01T00:00:00Zhttps://www.mdpi.com/2077-1312/9/11/1310https://doaj.org/toc/2077-1312The coastal area of Ulleungdo in the East Sea has experienced large climate and environmental changes. However, research on marine benthic animals in this area has been very limited. In the present study, we investigated the spatial and temporal distribution of benthic polychaetes to determine their seasonal adaptability to environmental changes in the coastal waters of Ulleungdo in 2019. In total, 116 species (34 families) of polychaetes were identified with an average of 25 species per site. The average density was 772.8 individuals m<sup>−2</sup>, with the highest density in August and the lowest in February. The dominant species were <i>Pseudobranchiomma zebuensis</i> (15.6%), <i>Scolelepis</i> sp. (8.6%), <i>Haplosyllis spongiphila</i> (7.3%), and <i>Lumbrineris nipponica</i> (6.3%). The main factors affecting polychaete community structure were water depth and sediment type (gravel, sand, silt, clay). Based on cluster analysis, the polychaetes tended to group mainly in winter and summer with <i>P. zebuensis</i> and <i>Syllis</i> sp. contributing to the grouping. The dominant species was the suspension feeder, which correlated highly with habitat sediment type and was substantially consistent with the coast of Dokdo. Some species overlapped in the East Sea coast, but the number and diversity of species were higher in Ulleungdo. Our study results confirm the ecological characteristics of benthic polychaetes of Ulleungdo and provide information for future monitoring of the environmental and biological changes in the East Sea.Sang-Lyeol KimOk-Hwan YuMDPI AGarticlemacrobenthospolychaetesassemblageUlleungdoEast Seaspatial distributionNaval architecture. Shipbuilding. Marine engineeringVM1-989OceanographyGC1-1581ENJournal of Marine Science and Engineering, Vol 9, Iss 1310, p 1310 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	macrobenthos polychaetes assemblage Ulleungdo East Sea spatial distribution Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581
spellingShingle	macrobenthos polychaetes assemblage Ulleungdo East Sea spatial distribution Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581 Sang-Lyeol Kim Ok-Hwan Yu Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea
description	The coastal area of Ulleungdo in the East Sea has experienced large climate and environmental changes. However, research on marine benthic animals in this area has been very limited. In the present study, we investigated the spatial and temporal distribution of benthic polychaetes to determine their seasonal adaptability to environmental changes in the coastal waters of Ulleungdo in 2019. In total, 116 species (34 families) of polychaetes were identified with an average of 25 species per site. The average density was 772.8 individuals m<sup>−2</sup>, with the highest density in August and the lowest in February. The dominant species were <i>Pseudobranchiomma zebuensis</i> (15.6%), <i>Scolelepis</i> sp. (8.6%), <i>Haplosyllis spongiphila</i> (7.3%), and <i>Lumbrineris nipponica</i> (6.3%). The main factors affecting polychaete community structure were water depth and sediment type (gravel, sand, silt, clay). Based on cluster analysis, the polychaetes tended to group mainly in winter and summer with <i>P. zebuensis</i> and <i>Syllis</i> sp. contributing to the grouping. The dominant species was the suspension feeder, which correlated highly with habitat sediment type and was substantially consistent with the coast of Dokdo. Some species overlapped in the East Sea coast, but the number and diversity of species were higher in Ulleungdo. Our study results confirm the ecological characteristics of benthic polychaetes of Ulleungdo and provide information for future monitoring of the environmental and biological changes in the East Sea.
format	article
author	Sang-Lyeol Kim Ok-Hwan Yu
author_facet	Sang-Lyeol Kim Ok-Hwan Yu
author_sort	Sang-Lyeol Kim
title	Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea
title_short	Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea
title_full	Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea
title_fullStr	Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea
title_full_unstemmed	Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea
title_sort	understanding the spatial and temporal distribution and environmental characteristics of polychaete assemblages in the coastal waters of ulleungdo, east sea of korea
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/0ccbb0c6c4174eceb2cf567af8ad6831
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Understanding the Spatial and Temporal Distribution and Environmental Characteristics of Polychaete Assemblages in the Coastal Waters of Ulleungdo, East Sea of Korea

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