Impact of Super Typhoon ‘Hinnamnor’ on Density of Kelp Forest and Associated Benthic Communities in Jeju Island, Republic of Korea

This study was carried out to determine the levels of resistance and resilience of kelp forests to large-scale physical disturbances. Our study site, Seongsan, Jeju Island, was impacted by super typhoon ‘Hinnamnor’. Before the typhoon, Seongsan had shown high ecosystem stability. Our results indicat...

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Bibliographic Details
Published in:Journal of marine science and engineering 2023-05, Vol.11 (5), p.1035
Main Authors: Lee, Kyeong-Tae, Perrois, Garance, Yang, Hyun-Sung, Kim, Taeho, Choi, Sun Kyeong, Kang, Do-Hyung, Kim, Taihun
Format: Article
Language:English
Subjects:
Adults
Algae
Benthic communities
Benthos
Cameras
Canopies
Canopy
canopy-forming brown algae
Climate change
Climatic changes
Coasts
Ecklonia cava
Ecological effects
ecological resilience
ecological resistance
Ecosystem stability
Ecosystems
Environmental conditions
Forests
Hurricanes
Japan
Kelp
Kelp beds
Morphology
Plant cover
Resilience
Sea-water
Seawater
Software
South Korea
Stability
Turf
Typhoons
Water temperature
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Summary:This study was carried out to determine the levels of resistance and resilience of kelp forests to large-scale physical disturbances. Our study site, Seongsan, Jeju Island, was impacted by super typhoon ‘Hinnamnor’. Before the typhoon, Seongsan had shown high ecosystem stability. Our results indicated that the ecological stability of a kelp forest facing a severe typhoon is strongly linked to the prevailing environmental conditions. Although typhoon impact resulted in a significant loss of brown macroalgae canopy, Ecklonia cava remained dominant within the kelp forest community. Resistance and resilience levels strongly depended on water temperature and movement and presence of turf-forming algae. Hence, hydrodynamic and biological factors strongly influence the overall stability of a kelp forest. We also report the first occurrences of a scleractinian coral species (i.e., Montipora millepora) at Seongsan, which became visible after canopy loss following the typhoon. Our findings provide valuable ecological information about the benthic community of kelp-dominated ecosystems and are essential to mitigate the impacts of expected climate change-driven rises in seawater temperature and the frequency of super typhoons.
ISSN:2077-1312
2077-1312
DOI:10.3390/jmse11051035