Coral is an invaluable source in the medical and pharmaceutical industries, in which lipids play a role as a major nutrient reserves and the energy for coral. In this paper, we focus on researching the content and composition of lipid and fatty acids of 8 coral species from Vietnam. The total lipid of studied samples ranged from 10.1 to 20.4%; T...
6 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 802 | Lượt tải: 0
Shrimp scad Alepes djeddaba is an important small pelagic species in Viet Nam, which contributes a large part of the fisheries resources. The main objective of this study was to establish an empirical estimate of the relation between target strength and length of shrimp scad at 38kHz, which can be served for assessments of these resources using ...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 633 | Lượt tải: 0
Grouper seed harvested from wild sources provide importantly for the development of commercial marine fish farming. The grouper fingerling exploitation in the Gulf of Quy Nhon initially identified five species, including Banded grouper (Epinephelus amblycephalus), Yellow grouper (Epinephelus awoara), Longtooth grouper (Epinephelus bruneus), Mala...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 902 | Lượt tải: 0
The South and South-central Vietnam continental shelf is a region with the diversely complicated conditions of geology. In spite of over the past many years of investigation, the fault systems in many places have remained poorly understood. In this paper, the author has studied and applied some techniques for interpretation of the newest gravity...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 785 | Lượt tải: 0
This paper presents the results of numerical experiments of waves and a combined seawall interaction using a numerical wave channel. Firsly, the concept of numerical wave channel and the foudation for buiding a numerical wave channel is presented. Then, the experimental conditions for both numerical experiment and laboratory one are described. T...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 607 | Lượt tải: 0
This paper presents some results of applicating three dimension (3D) numerical model to study and assessment influences of tidal oscillation, wind and wave action on characteristics of suspended sediment transport in Bach Dang estuary. Measures data were collected and processed systematically and synchronously in order to create water river boun...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 675 | Lượt tải: 0
As a small island located near the approximately centre of The Gulf of Tonkin, the Bach Long Vi island possesses great values on geo-economic and geo-politic position resources. On the geoeconomic resources, the island is a priority site for the country’s sea-island economy development; a central location in the economic space of the Gulf f of To...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 657 | Lượt tải: 0
The comparative analysis between the tooth marks on the bitten victim’s wound and imitated tooth marks of fish indicated that sharks but not moray eel, grouper, barracuda were subjects to attack on swimmers in Quy Nhon bay (Binh Dinh province, Vietnam) in 2009 and 2010. The analysis of the length of the gap between shark teeth and tooth marks on...
10 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 585 | Lượt tải: 0
Nhận xét, đề xuất: những tiêu chí có điểm đánh giá thấp, cần khắc phục và cải thiện cho từng xã cụ thể như sau: Xã Mỹ Thành: Đối với địa phương này các vấn đề cần phải cải thiện như tình trạng gia tăng dân số cao, đây cũng là đặc thù chung của địa phương có hoạt động đánh bắt thủy sản. Đồng thời, để đảm bảo phát triển bền vững cần có kế hoạc...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 705 | Lượt tải: 0
Sustainable use of coastal ecosystems in the case studies of some partner countries of SECOA project, including Belgium, India, Israel, Portugal and Vietnam was assessed through sustainability indicator analysis and index calculation. The outcomes were shown quantitatively with values of sustainability indices of the coastal ecosystem at time po...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 719 | Lượt tải: 0
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