期刊
JOURNAL OF MARINE SCIENCE AND ENGINEERING
卷 10, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/jmse10020270
关键词
anthropogenic impacts; coral reefs; rainfall; nutrients; seawater quality
The coral reef ecosystem in Kenting National Park is mainly impacted by increased nutrient levels and reduced salinity during the summer rainy season. Cluster analysis suggests that nutrient influx is mainly attributed to local discharge outlets near villages and hotels. Efforts are needed to control tourist numbers, treat waste water discharge, and strengthen land protection facilities.
Southern Taiwan's Kenting National Park is a popular retreating place for many domestic and international tourists, with increasing tourist numbers potentially over-burdening the coastal ecosystems. To better understand human impacts, a long-term ecological research program was initiated in 2001 to track water quality at 14 coral reef-abutting sites throughout the park since then. Extracting the data from this 20-year survey, we found that increasing in the nutrient levels during the summer rainy season, together with the drops in salinity led by freshwater inputs (land- & rainfall-derived), was the main impact to coral reef ecosystem of Kenting. Cluster analysis further confirmed the nutrient influx was mainly attributed to the local discharge outlets with dense of villages and hotels at upstream. Therefore, more efforts are needed to input to control tourist number, treat waste water discharge and strengthen land protection facilities.
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