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New Record Species Are Found in the Park
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The Taijiang National Park Headquarters (hereinafter referred to as the Headquarters) conducts the sub-contract plan for the conservation research every year. The objective of the plan is to discover the natural and humanity history resources of the Taijiang National Park and its surrounding areas. The research will be used as the reference for operations, management, interpretation and education. In 2018, the Headquarters conducted a research on diverse aspects, including the marine life, wetland benthos, amphibious reptile, the old name of Taijiang, ancient Taijiang ruins, wetland hydrology and habitat creation. We achieved abundant outcomes. Studies of marine life, wetland benthos and amphibious reptile show the discovery of new record species in the Taijiang National Park. The survey on the wetland benthos even indicates new world species.
In 2018, the Headquarters entrusted the National Sun Yat-sen University to sail the R/V Ocean Research III for the survey on the water quality of the sub-tidal zone and biological resource in the sea area of the Park. A total of 86 species of fish in 39 families, 35 species of shrimp in 13 families and 41 species of crabs in 13 families were recorded. A total of 22 fish species, 15 shrimp species and 17 crab species were added to the new record species in the Taijiang National Park. The plan has entered the third year. The number of species continues to increase throughout the three years of research. Most of them come from the channel in the Taiwan Strait, namely the scope of Marine Existing use area 2 of the Taijiang National Park.
In addition, the survey on the fish market is included in the plan. The survey records that a drift fishing boat at Chin-Shang Fish Port caught a ribbonfish, a new record species, at the coast of Qigu. The ribbonfish is an abyssal fish. It lives at a depth of 1,000 m. It is rare at the coast of western Taiwan. It probably swam north from the southern Taiwan Strait along the Penghu Channel to the coast of Qigu. Dissection shows that mature eggs are found in the ovary. It is surmised that the southern Taiwan Strait is a potential spawning ground of ribbonfish, biologically very meaningful.
From 2017 to 2018, the Headquarters entrusted Chiu Yu Wen, the Deputy Director of the Center for Research in Water Science and Technology, NCKU, to conduct quantitative and qualitative research and collect environmental data. The research was performed in important wetlands at Zengwen estuary, Sicao, Qigu Salt Pan and Yanshui Estuary. The research was performed for the benthos in the estuarine zone, including the arthropod, mollusk and annelid. A total of 100 mollusk species in 37 families and 64 annelid species in 22 families were recorded.
It’s worth noting that the research team found two new Taiwanese record species, one in Idiosepius and another in Stenothyridae. Both of them were discovered in the plot of the Qigu Salt Field. In the Sicao Wetlands, the research team discovered the distribution of Parasesarma macaco during the survey. Parasesarma macaco is a new world species accepted and announced in September 2018. Its type locality is the Paoli River in Hengchun Peninsula.
In the basic survey on the amphibious reptiles in the Taijiang National Park in 2018, a total of 26 amphibious reptile species in 12 families were recorded. Six of them are amphibian species in four families and the rest of 20 of them are 20 reptile species in 8 families. The Malaysian narrow-mouthed toad is a new record species in the Taijiang National Park and an alien invasive species. For now, it’s only distributed in the Cheng Hsi Windbreak. We will need to continue to monitor and keep an eye on where it appears and start to plan for prevention to avoid large-scale widespread. Among the reptiles, the Brahminy blind snake, greater green snake, red banded snake and Formosa kukri snake are new record species in the Park.
Other outstanding results will be presented in the 2018 Conservation Research Findings Presentation on May 17, 2019, organized by the Headquarters. Those who are interested can visit the website of Taijiang National Park to look up and download relevant research reports. For any questions, please call Mr. Kuo, our associate technical specialist in the Conservation Research Section (06-2842600, ext. 1603).