Thành phần loài cá rạn san hô vùng biển ven bờ Bắc Hải Vân

Thành phần loài cá rạn san hô vùng biển ven bờ Bắc Hải Vân - Sơn Chà, tỉnh Thừa Thiên Huế

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Tác giả: Nguyễn Thới Trung Lê, Ngọc Hòa Nguyễn, Điều Võ

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học Trường Đại học Quy Nhơn, 2023

Mô tả vật lý: tr.11

Bộ sưu tập: Metadata

ID: 337339

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Nghiên cứu thành phần cá rạn san hô vùng biển ven bờ Bắc Hải Vân - Sơn Chà, tỉnh Thừa Thiên Huế được thực hiện từ tháng 01 năm 2020 đến tháng 10 năm 2022 nhằm mục đích cập nhật dữ liệu, góp phần xây dựng luận chứng khoa học - kỹ thuật cho việc thiết lập khu bảo tồn biển. Vị trí thu mẫu gồm 4 điểm là Bãi Cả, Bãi Chuối, Sũng Rau Câu và đảo Sơn Chà. Mẫu được thu bằng lưới, lừ, vợt và súng bắn tên/xiên theo định kỳ 2 tháng/lần. Kết quả nghiên cứu đã xác định được 142 loài thuộc 94 chi, 48 họ, 23 bộ cá rạn san hô. Trong đó, 5 bộ có số lượng loài cao gồm Perciformes (36 loài), Ovalentaria (20 loài), Kurtiformes (14 loài), Labriformes (13 loài) và Tetraodontiformes (8 loài). Các bộ còn lại chỉ có từ 1 đến 5 loài. Kết quả nghiên cứu cũng cho thấy độ phong phú về thành phần loài cá ở các điểm khảo sát có sự khác nhau. Trong đó, đảo Sơn Chà có độ phong phú về loài cao nhất với 71 loài thuộc 48 chi, 28 họ và 16 bộ
thấp nhất là Bãi Cả với 51 loài thuộc 35 chi, 24 họ và 13 bộ.The study on coral reef fish species composition in the coastal areas of North Hai Van - Son Cha, Thua Thien Hue province was carried out in the period from January, 2020 to October, 2022 at 4 sites, namely Bai Ca, Bai Chuoi, Sung Rau Cau, Son Cha island to update scientific data to contribute to establishing the marine reserve. Fish were collected using fish nets, fish traps, scoops and spears every two months. 142 coral reef fish species belonging to 94 genus, 48 families and 23 orders were found. There were 5 orders with large number of species such as Perciformes (36 species), Ovalentaria (20 species), Kurtiformes (14 species), Labriformes (13 species) and Tetraodontiformes (8 species). Other orders had from 1 to 5 species. Fish species composition abundance was different between the study sites, of which the highest diversity was found at Son Cha island, with 71 species belonging to 48 genus, 28 families and 16 orders while the poorest composition was recorded at Bai Ca, with 51 species belonging to 35 genus, 24 families and 13 orders.

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