Subtidal Marine Algal Community and Endangered Species in Dokdo and Ulleungdo, Two Oceanic Islands in the East Sea of Korea

Jung, Sung-Won; Oh, Yoon Sik; Rho, Hyun Soo; Choi, Chang Geun

doi:10.1007/s12601-020-0033-7

Cited by 2 publications

(3 citation statements)

References 15 publications

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“…The marine volcanic island Ulleungdo is located in the center of the East Sea and has a steep coastline [11]. The Ulleung basin is a central topography of the southwestern East Sea; the width of the basin is 300 km and the depth is more than 2000 m [12].…”

Section: Introductionmentioning

confidence: 99%

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

Kim

2021

JMSE

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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−2, with the highest density in August and the lowest in February. The dominant species were Pseudobranchiomma zebuensis (15.6%), Scolelepis sp. (8.6%), Haplosyllis spongiphila (7.3%), and Lumbrineris nipponica (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 P. zebuensis and Syllis 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.

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Section: Introductionmentioning

confidence: 99%

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

Kim

2021

JMSE

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“…The local government with jurisdiction over the island (Gyeongsangbuk-do) operates the Visitor Centre to inform the public about the value and importance of the marine protected area and increase the public consensus on the establishment of Dokdo and its surrounding waters as marine protected areas [4]. In the seas surrounding Dokdo, cold and warm currents ensure diversity of marine organisms: approximately 250 species of seaweed, 520 marine invertebrates, including the protected marine organism Dendrophyllia cribrosa, and many commercially viable fish [22,23]. Additionally, Dokdo has great ecological, historical, and cultural tourist value.…”

Section: Necessity Of Establishing Marine Protected Areas In Dokdomentioning

confidence: 99%

“…In the seas surrounding Dokdo, nutrient-rich water is blended by cold and warm seasonal currents, helping plankton and fish thrive, providing abundant fishing grounds [32,33], and housing hundreds of marine species of all types [34]. However, the waters have recently suffered albinism, a process through which rocky areas become white due to calcareous algae and the loss of seaweed [22]. This phenomenon has worsened due to rapid rises in water temperatures and seaweed-eating sea urchins, increasing concerns over imbalances in the marine ecosystem [35].…”

Section: Ecologically Significant Marine Areamentioning

confidence: 99%

Establishing a Marine Protected Area in the Waters Surrounding Dokdo: Necessity and Legality

Choi,

Lim

2024

Sustainability

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Dokdo is an area with considerable marine biodiversity, which plays an important role in historical, geographical, and marine tourism. Recently, climate change has increased water temperatures in its surrounding waters, significantly threatening the balance of the marine ecosystem in Dokdo. This study analyzes South Korean and international laws as grounds for the necessity of establishing marine protected areas and the legal validity of such establishment to protect Dokdo’s marine ecosystem and increase the island’s social, cultural, and educational perspectives and marine tourism value within literature reviews and doctrinal study. Moreover, South Korea needs coordination and cooperation with Japan to prevent potential conflicts and implement measures for conflict management by designating Dokdo and its surrounding waters as marine protected areas.

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Subtidal Marine Algal Community and Endangered Species in Dokdo and Ulleungdo, Two Oceanic Islands in the East Sea of Korea

Cited by 2 publications

References 15 publications

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

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

Establishing a Marine Protected Area in the Waters Surrounding Dokdo: Necessity and Legality

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