Hiện trạng khai thác cá sửu Boesemania microlepis (Bleeker, 1858) trên sông Hậu, Đồng bằng sông Cửu Long

0 Người đánh giá. Xếp hạng trung bình 0

Tác giả: Viết Văn Mai, Hoàng Linh Nguyễn, Ngọc Hiền và Đặng Thị Phượng Nguyễn, Thị Vàng Nguyễn

Ngôn ngữ: vie

Ký hiệu phân loại: 338.479159 Secondary industries and services

Thông tin xuất bản: Khoa học (Đại học Cần Thơ), 2018

Mô tả vật lý: 108-114

Bộ sưu tập: Metadata

ID: 491977

Thêm vào giỏ

Hiện trạng khai thác cá sửu Boesemania microlepis (Bleeker, 1858) trên sông Hậu, Đồng bằng sông Cửu Long được nghiên cứu từ tháng 1 đến tháng 10 năm 2017 thông qua phương pháp phỏng vấn 90 hộ ngư dân khai thác cá sửu bằng bảng câu hỏi soạn sẵn. Kết quả cho thấy, cá sửu được khai thác quanh năm trên sông Hậu, mùa vụ khai thác tập trung từ tháng 2 đến tháng 4 và từ tháng 7 đến tháng 11 âm lịch hằng năm. Sản lượng cá sửu trên sông Hậu hiện nay suy giảm hơn 45% so với cách đây 5 năm. Sản lượng trung bình cá sửu khai thác cao nhất ở đầu nguồn, kế đến là cuối nguồn và thấp nhất ở giữa nguồn sông Hậu. Cá sửu được tiêu thụ chủ yếu dưới dạng cá tươi cho thương lái tại địa phương. Khó khăn chính của nghề khai thác cá sửu là sản lượng khai thác luôn suy giảm, giá cả sản phẩm có biến động không ổn định, ngư dân thiếu thông tin về thị trường nên bị thương lái ép giá. Đa phần các hộ ngư dân làm nghề khai thác lưới kéo đều thiếu vốn để đầu tư cho hoạt động khai thác. Thời tiết cực đoan làm ảnh hưởng lớn đến sản lượng cá sửu trên sông Hậu, Đồng bằng sông Cửu Long.The smallscale croaker Boesemania microlepis (Bleeker 1858) exploitation status on the Bassac river, Mekong Delta was conducted from January to October 2017 through direct interviews with 90 fishing households by using the prepared questionnaire. The results show that the smallscale croaker is exploited all year round on the Bassac river. The fishing season is concentrated from February to April and from July to November (lunar calendar) annually. The smallscale croaker production on the Bassac river is decrease by more than 45% compared to that 5 years ago. The highest average production is in the upstream of the Bassac river, followed by the downstream and the lowest one is in the middle. Smallscale croaker is mainly consumed as unprocessed fish for local traders. The main difficulties of the smallscale croaker exploitation are the decline in production, the fluctuation in price of products, fishermen's lack of information about the market. Most of the trawl nets fishing households lack the capital to invest in fishing. The erratic change of the weather greatly affected smallscale croaker exploiting production on the Bassac river, Mekong Delta.

1. Đọc trực tuyến

1. Đọc trực tuyến

Tạo bộ sưu tập với mã QR