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11.
Van Thinh Nguyen Chung Nguyen Thuy Luong Ly Thi Mai Chinh Pham Minh Anh Phan Phuong Huy Nguyen The Thuy Dang Thi Thai Phong K. 《Environmental science and pollution research international》2022,29(28):42055-42066
Environmental Science and Pollution Research - Industrial sludges from wastewater treatment plants of industrial parks and a drinking water treatment plant in northern Vietnam were investigated in... 相似文献
12.
Phan Kongkea Phan Samrach Se Soknim Sieng Huy Huoy Laingshun Kim Kyoung-Woong 《Environmental geochemistry and health》2019,41(1):401-409
Environmental Geochemistry and Health - The aim of the present study is to investigate water quality and potential trace metal contaminations in the Northeastern part of Cambodia. Tube well... 相似文献
13.
Nguyen Hieu Hoang Thi Thu Huong Luc Hens Do Trung Hieu Doan Thu Phuong Pham Xuan Canh 《Environment, Development and Sustainability》2018,20(6):2463-2485
Located in the humid tropical zone and endowed with carbonate sedimentary formations, Vietnam has unique karst landscapes where caves, limestone, and dolines are common. If well managed, these are valuable geomorphological resources for a sustainable socio-economic development. Although publications on sustainable livelihoods associated with conserving biodiversity and local culture are plentiful, there is still a lack of studies linking livelihood quality with the conservation of geomorphological resources, in particular in karst areas. This study assesses the geomorphological resources in Vietnam’s Bai Tu Long Bay and studies the relationship between livelihood and these resources. The current research area Bai Tu Long Bay is adjacent to the natural World Heritage site of Ha Long Bay in the Vietnamese part of the Gulf of Tonkin. Bai Tu Long is characterized by a karst landscape, which is at the same time similar but also different from Ha Long Bay. A field survey and interviews with 153 households allowed assessing people’s perception of the value of the geomorphological resources and their importance for local income. The results show that Bai Tu Long Bay has abundant, diverse, and unique geomorphological resources, which are valuable for tourism development. However, the local people are unaware of these values likely because they have no direct benefit from them. Further a sustainable development strategy for Bai Tu Long Bay is recommended. The outcome is a proposal for tourism initiatives aiming at realizing more sustainability in the area. 相似文献
14.
Phan?Due?Thanh Keiji?WadaEmail author Michiko?Sato Yoshihisa?Shirayama 《Marine Biology》2005,147(5):1191-1199
Utilization of algae for decorating by the intertidal majid crab Tiarinia cornigera was examined by laboratory experiments in relation to availability of algae, presence of a predator, and the presence of
conspecific and heterospecific crabs. Different availabilities of decorating materials had a positive correlation on decorating
amount by juveniles, while the correlation was not so clear in subadults. The amount of decorating decreased with increasing
density of conspecific crabs in the presence of a predator, but there was so clear relationship in the absence of a predator.
The decrease in decorating under high density could be due to intraspecific aggression, because the superior crab, in fighting,
was found to be decorated with more algae. Tiarinia cornigera was found to be superior to the co-occurring different majid species Micippa platipes in fighting. When T. cornigera and M. platipes were housed together, the former was decorated with more algae than the latter in the presence of a predator, but in the
absence of a predator, the amount of algae was not different. Thus, presence of a predator may motivate intraspecific competition
in T. cornigera as well as interspecific competition between T. cornigera and M. platipes for decorating materials. 相似文献
15.
dos Santos IR Silva-Filho EV Schaefer C Maria Sella S Silva CA Gomes V Passos MJ Van Ngan P 《Environmental pollution (Barking, Essex : 1987)》2006,140(2):304-311
This paper provides the first quantitative information on mercury in soil, coastal sediment, and in characteristic organisms of terrestrial and shallow coastal marine ecosystems from Admiralty Bay (King George Island, Antarctica). As expected for a remote area, mercury content is low in abiotic components of the ecosystem, and probably similar to natural levels. Mercury also occurs in very low concentrations in the vegetation, invertebrates and fish. These low mercury levels may be due to sulphide formation in reducing sediments of this environment. Higher concentrations of mercury occurred in bird feathers and mammal hair, indicating biomagnification. This was not found for Zinc. These results may be useful as a reference background to detect future inputs of trace elements in this remote area of the earth. Terrestrial vegetation and bird feathers are suggested as target regional biomonitors. 相似文献
16.
17.
Analysis of organic contaminants is reported for the Oluyoro stream located in the South-Western Nigeria. Using gas chromatography
methods with flame ionization, electron capture and mass spectrometer detectors, alarming levels of organic pollutants including
alkanes, alkenes, alcohols and alkyl halides were detected. Remarkably, toxic halogenated organic substances such as 4,4′-dichlorodiphenyltrichloroethane
(4,4′-DDT), 4,4′-dichlorodiphenyldichloroethane (4,4′-DDD), beta-benzenehexachloride (beta-BHC), heptachlor epoxide, endrin
aldehyde and endrin ketone are found to be at 15,820, 6,176, 1,155, 336, 24 and 13 times, respectively, more than the permitted
levels of the United States Environmental Protection Agency (US-EPA). Furthermore, 4,4′-DDD, a probable human carcinogen,
and methoxychlor are detected for the first time when compared to the last report published in 1992. Activities such as high
influx of domestic and industrial wastes to the stream have drastically increased the concentrations of these halogenated
contaminants. Results presented in this article provide important information for potential future effects of these contaminants
on human health and the integrated environment in the region. 相似文献
18.
Thanigaivel S. Rajendran Saravanan Gnanasekaran Lalitha Chew Kit Wayne Tran Dang Thuan Tran Hoang-Dung Nghia Nguyen Khoi Show Pau Loke 《Environmental Chemistry Letters》2023,21(2):821-837
Environmental Chemistry Letters - Fossil fuel depletion and carbon dioxide emissions are calling for carbon neutral energies such as algal biofuels, yet actual production of agal biofuels is... 相似文献
19.
Nguyen Can Trong Nguyen Diep Thi Hong Phan Diem Kieu 《Environmental science and pollution research international》2021,28(10):12056-12066
Environmental Science and Pollution Research - Urbanization induces shifts in surface environmental factors, including impervious surface expansion, green space loss, and temperature increase in... 相似文献
20.
Ngo Thanh Huy Van Dieu-Anh Tran Hoai Le Nakada Norihide Tanaka Hiroaki Huynh Trung Hai 《Environmental science and pollution research international》2021,28(10):12082-12091
Environmental Science and Pollution Research - This study evaluated the occurrence of PPCPs in Cau River (Vietnam). Surface water and sediment samples were collected to determine PPCP... 相似文献