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魚類於生命週期的不同階段棲地使用與物理棲地因子之量化關係

The Relationship between the Habitat Preference of Fish in Different Life Stages and Physical Habitat Parameters

摘要


了解魚類偏好之物理環境型態,爲溪流棲地復育的重娶一環。本研究利用PAEDs電格法於會文溪及高屏溪流域進行魚類棲地偏好皮之量化生態調查,採樣的空間尺度爲微棲地尺度(單位棲息地),於分析過程中以卡方獨立性檢定與多變量變異數分析之統計方法找出魚類與物理環境因子的關係,可讓河川管理者依不同的復育標的,選擇合適之棲地類型與作爲生態工程設計之依據。本研究中主要的分析魚種爲台灣特有的台灣間爬岩鰍、明潭吻鰕虎興高身鯝魚,研究結果顯示台灣間爬岩鰍、高身鯝魚與明潭吻鰕虎的成、幼魚棲地偏好有所不同,台灣間爬岩鰍成魚偏好底質粒徑較幼魚大,明潭吻鰕虎與高身鯝魚成魚較幼魚可承受較快之流速,高身鯝魚成魚偏好的底質粒徑爲大漂石與小漂石,而高身鯝魚幼魚偏好之底質粒徑範圍較成魚廣泛。本研究除了建立魚類資料與量化物理環境棲地之關係,以供決策者參考使用外,並建議進行棲地復育、棲地適合度指標,或被用於計算魚類可用棲地面積的物理棲地模擬系統(PHABSIM)等相關研究時,應考量到魚類生命週期的不同階段的棲地偏好需求。

並列摘要


Understanding fish habitat preference plays an important role in river restoration. We use PAEDs method to quantify habitat preferred conditions of fish in the microhabitat scale in TsengWen River and KaoPing River. The chi square test and MANOVA analysis method are used to identify the relationship between physical variables and adult and juvenile fish habitat preferences. Three endemic species, Hemimyzon formosanus, Rhinogobius candidianus, and Onychostoma alticorpus, arc used in our study, and the results show that the adults and juveniles of each species present in different niches. The adults of Hemimyzon formosanum prefer the larger substrate than the juveniles do. The adults of Rhinogobius candidianus and Onychostoma alticorpus can endure greater velocity than the juveniles do. The adults of Onychostoma alticorpus prefer big boulder and small boulder, and the juveniles of Onychostoma altcorpus prefer the wider range of substrate sizes than the adults do. We suggest the habitat preferences of fish in different life stages must be considered in habitat suitability index models and Physical Habitat Simulation System in the river restoration and conservation.

並列關鍵字

Suitability index MANOVA Chi square test Adults Juveniles

被引用紀錄


Hung, C. Y. (2012). 應用水理特性評估河川棲地-旗山溪流域個案 [master's thesis, National Pingtung University of Science and Technology]. Airiti Library. https://doi.org/10.6346/NPUST.2012.00012
鍾昌翰(2012)。影像處理技術應用於河床粒徑分析及魚類數量調查〔博士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2012.00293
楊芷毓(2011)。石門水庫集水區湳仔溝溪之臺灣馬口魚族群生態學研究〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2011.03033
宋承恩(2016)。以斗六堰長期生態監測資料分析優勢魚種洄游習性〔碩士論文,國立清華大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0016-0411201614425198

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