Based on the collected and investigated data in the period of 2011-2012 and the plan of socio-economic development of the Thuy Trieu - Cam Ranh coastal areas, this paper estimates the water’s environmental carrying capacity to manage them for sustainable development. The results show that, the volume of organic matter (by COD) met the potential ...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 1074 | Lượt tải: 1
Dung Quat economic zone is a major industrial zone in Vietnam. It belongs to Quang Ngai province in Central Vietnam. Until now, there have been few studies on seaweeds at Dung Quat. This article presents results of two field surveys, conducted in February, 2012 and September, 2012 under the research project “Surveying and assessing status of bio...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 783 | Lượt tải: 0
The integrated assessment of natural conditions and resources to orient for the development of offshore waters and islands is a new field of research that has not been much interested in Vietnam. First of all, due to the characteristics of offshore waters and islands, applying the assessment process and methods that was carried out successfully ...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 924 | Lượt tải: 0
Among the tsunami source zones defined in the East Vietnam sea region, the Manila trench, west of the Philippines is considered as the most dangerous for the Vietnamese coast. The recent research results show that the maximum expected earthquake magnitude for the Manila Trench source zone may reach to the value of Mw = 8.7, and it takes approxim...
10 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 833 | Lượt tải: 0
Four common coral genera in culture conditions are Symphyllia, Plerogyra, Euphyllia and Goniopora. They are long/large polyp stony corals, sexual and asexual reproduction. Except Symphyllia, the three genera are aggressive towards the other marine aquarium invertebrates. All of the four coral genera have 2 feeding modes: autotrophic mode through...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 747 | Lượt tải: 0
Data on the water quality at coastal area of Phu Quoc island achieved in May 2010 (dry season) and August 2010 (rainy season) showed that DO concentrations were relatively abundant (>5mg/l), values of BOD5 (<1.96mg/l), COD (<12.5mg/l) and TSS (<42mg/l) were moderate. Concentrations of ammonia (from 0 to 29µgN/l), phosphate (from 4.9 to 17.1µgP/l...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 748 | Lượt tải: 0
Từ các kết quả trình bày trên đây có thể đưa ra một số nhận xét về sự phân bố của PAHs trong trầm tích khu vực nghiên cứu như sau: Hàm lượng tổng 8 PAHs dao động từ 69,56 µg/kg tại trạm Trà Cổ đến 183,88µg/kg tại trạm Cửa Lò. Hàm lượng tổng PAHs tăng dần từ Bắc vào Nam (từ Trà Cổ tới Cửa Lò). Mùa khô hàm lượng PAHs cao hơn mùa mưa 1,1 - 1,9 ...
5 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 935 | Lượt tải: 0
Based on the statistic data of social-economic present and development planning to 2020 of Thua Thien Hue province, land-base pollution load from development activities has been calculated by using the rapid assessment of the marine coastal environment method. The calculating results shown that, each year, development activities in Thua Thien Hu...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 820 | Lượt tải: 0
In order to understand the present status of heavy metal contamination in Haiphong coast, rocky oyster (Saccostrea glomerata) and hard clam (Meretrix lyrata) were examined. The concentration of nine elements (As, Cd, Mn, Cr, Co, Cu, Pb, V and Zn) was determined in whole tissues of these species from Phu Long, Do Son and Quan Muc in March 2012. T...
8 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 746 | Lượt tải: 0
The experiment of making fishsource using a TTX-bearing puffer Toquigener gloerfelti as a material was conducted during 12 months in order to observe a trend of toxicity in the fishsource product. The result showed that toxicity had been decreased by time and after 12 months; about 86.43 - 93.93 % of initial toxicity was disappeared. The reason ...
5 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 778 | Lượt tải: 0
Copyright © 2025 Tai-Lieu.com - Hướng dẫn học sinh giải bài tập trong SGK, Thư viện sáng kiến kinh nghiệm hay, Thư viện đề thi