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題 名 | 臺江國家公園底棲頭足類種類組成之時空變化=Spatiotemporal Variation on the Species Composition of Benthic Cephalopods in Taijiang National Park, Taiwan |
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作 者 | 吳億鈴; 何瓊紋; 陳煦森; 陳國書; 徐顗雯; 陳志遠; 陳孟仙; | 書刊名 | 國家公園學報 |
卷 期 | 33:2 2023.12[民112.12] |
頁 次 | 頁1-15 |
分類號 | 386.795 |
關鍵詞 | 水溫; 水深; 澎湖水道; 臺江國家公園; 頭足類; 時空變化; Water temperature; Water depth; Penghu Channel; Taijiang National Park; Cephalopod; Spatiotemporal variation; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究整理海洋研究船「海研三號」與「新海研三號」於 2007-2010 年 (前 期)與 2016-2021 年 (後期)的台江國家公園海域底拖調查資料,共採獲頭足類 6 科 12 屬 24 分類物種 (taxa),記錄 34%臺灣近海底拖頭足類。台江國家公園沿岸海域 (海管一)捕獲 20 種,多為經濟型物種,澎湖水道海域 (海管二) (澎湖水道)捕獲 9 種,多為稀有非商業捕撈之頭足類。園區內的底棲頭足類有明顯的時空分布,空間 變化上可依水深分為「沿岸群」 (12-76 公尺)與「水道群」 (96-173 公尺)兩群,兩 海域的優勢種分別為唇瓣烏賊 (Sepia lycidas)和墨氏四盤耳烏賊 (Euprymna morsei)。時間變化上,日本暗耳烏賊 (Inioteuthis japonica)、火槍魷 (Loliolus beka) 和杜氏槍魷 (Uroteuthis duvaucelii)在後期的豐度顯著減少(p < 0.05),且條紋蛸 (Amphioctopus marginatus)後期在澎湖水道深水區的豐度較高。頭足類群聚的時空 分布的差異反映各種頭足類對環境的適應選擇,前後期頭足類豐度的變動可能與全球環境變遷及臺灣海峽的漁業資源量下降等因素有關。 |
英文摘要 | Institute of Marine Ecology and Conservation, National Sun Yat-sen University; 2Department of Life Sciences, National Chung Hsing University; 3Department of Aquaculture, National Pingtung University of Science and Technology; 4Marine Ecology and Conservation Research Center, National Academy of Marine Research; 5 Interpretation and Education Section, Taijiang National Park; 6Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology; 7Department of Oceanography, National Sun Yat-sen University; 8Corresponding author E-mail: mhchen@mail.nsysu.edu.tw ABSTRACT The R/V Ocean Researcher III and the R/V New Ocean Researcher III were used to collect trawling data in Taiwan during 2007-2010 (preliminary phase) and 2016-2021 (final phase). In total, the vessels collected 24 taxa that belonged to 12 genera and 6 families, covering 34% of coastal cephalopods in Taiwan. The species number of cephalopods in Taijiang National Park was different, with 20 species found in Chikucoastal waters (MEUA1) and nine species in Penghu Channel (MEUA2), and they were mostly rare and non-commercial species. Cephalopod assemblages in Taijiang National Park could be divided into two groups: “Coastal group” (12-76 m in water depth) and “Channel group” (96-173 m in water depth). The dominant species in the two groups varied, which were Sepia lycidas and Euprymna morsei, respectively. In terms of temporal changes, the abundance of Inioteuthis japonica, Loliolus beka, and Uroteuthis duvaucelii decreased significantly (p < 0.05) in the final phase. In addition, Amphioctopus marginatus appeared to have migrated to deeper waters of Penghu Channel in recent years. The differences in cephalopod assemblage reflect the results of environmental tolerance of various species, whereas the variation in abundance in different phases could be related to global environmental changes or decreasing fisheries resources in the Taiwan Strait. |
本系統中英文摘要資訊取自各篇刊載內容。