scholarly journals The survey of phytoplankton density fluctuation in Dong Nai river (from Song Be river to An Hao wharf)

2018 ◽  
Vol 1 (T5) ◽  
pp. 41-49
Author(s):  
Nhon Ly Nguyen ◽  
Nhan Thi Thanh Luu
Keyword(s):  
Economic Development ◽  
Water Supply ◽  
Environmental Quality ◽  
Food Chain ◽  
Density Fluctuation ◽  
Water Environment ◽  
Reflection Factor ◽  
Hydropower Development ◽  
Environment Quality ◽  
East Region

Dong Nai river is known for its important role in the economic development of Vietnam such as the main water supply for the South-East region of Vietnam, hydropower development, especially capture fishery. One of the problems to be concerned is the fishery resources and their impact on Dong Nai river. Phytoplankton has been known as an important component involved the food chain, as well as a reflection factor of the water environment quality. The study of phytoplankton will contribute important information in the evaluation of the biodiversity and environmental quality in Dong Nai river. Therefore, study was conducted to evaluate the variation of phytoplankton density in Dong Nai river. The research on the phytoplankton density was studied from 32 samples collected in March, June, August and December 2014 at 8 locations of Dong Nai river (from Song Be river to An Hao wharf). The species compositions of phytoplankton included 145 taxa of Cyanophyta, Chrysophyta, Bacillariophyta, Chlorophyta, Euglenophyta, and Dinophyta. The dominant genus were Staurastrum, Cosmarium, and Melosira. The phytoplankton density ranged from 10,709 to 201,258 individuals.L. The densities in March and June were higher than those in September and December.

Water Environment Quality Analysis in the Nearshore Marine District of the Caofeidian

2014 ◽  
Vol 1010-1012 ◽  
pp. 496-498
Author(s):  
Qi Si ◽  
Ming Chang Li
Keyword(s):  
Environmental Quality ◽  
Water Environment ◽  
Marine Water ◽  
Quality Analysis ◽  
Parallel Coordinates ◽  
Environment Quality ◽  
Multiple Pollutants ◽  
Environmental Status ◽  
Water Environmental Quality

In this paper, the parallel coordinates’ method is used for analyzing the marine water environment quality. The environment status could be obtained by this method intuitively. In this paper, the water environment quality in the Caofeidian marine district is analyzed. Multiple pollutants in the multiple years are used. The results show that the water environmental quality in the Caofeidian marine district is acceptable, the environmental status could be obtained by the parallel coordinates’ method visually, which is the main advantageous of this method.

scholarly journals The Economic Development Impact To Environment Quality : Kuznet’s Curve Hyphothesis and Non Linier Regression Approach

2021 ◽  
Vol 2 (3) ◽  
pp. 864-874
Author(s):  
Rizka Zulfikar ◽  
Farida Yulianti ◽  
Teguh Wicaksono ◽  
Prihatini Ade Mayvita
Keyword(s):  
Economic Development ◽  
Linear Regression ◽  
Environmental Quality ◽  
Quality Index ◽  
Secondary Data ◽  
Industrial Sector ◽  
Department Of Energy ◽  
Data Types ◽  
Environment Quality ◽  
Non Linear

This study aims was to identify impact of economic development factors to the the environment quality by using Kuznet's Curve Hyphotesis and non linear regression.  The determinants studied are indicators of economic development such as Gross Domestic Regional Income (GDRI) of the industrial sector, mining sector, agricultural/plantation /forestry/fishery/livestock sectors, poverty, unemployment and human development index (HDI).  While the environmental quality indicators used are Water Quality Index (WQI), Air Quality Index (AQI) and Land Cover Quality Index (LCQI).  The data used is secondary data from the Department of Environment, the Department of Energy and Mineral Resources,  and also the Central Bureau of Statistics of South Kalimantan Province.  Secondary data types used include WQI, AQI, LCQI, GDRI, poverty, unemployment and HDI data for the period 2006 – 2020. The method used in this study is descriptive quantitatively using Kuznet's Curve hypothesis and non linear regression.   The final results obtained from this study include (1) The influence of economic development indicators on environmental quality is in accordance with Kuznet's Curve hypothesis and shows non-linear relationships. (2) Only the unemployment indicator is not identified non-linearly due to the adjusted value of R Square < 0 and the significance of the > 0.05.

scholarly journals Evaluating Cultural Landscape Remediation Design Based on VR Technology

2021 ◽  
Vol 10 (6) ◽  
pp. 423
Author(s):  
Zhengsong Lin ◽  
Lu Zhang ◽  
Su Tang ◽  
Yang Song ◽  
Xinyue Ye
Keyword(s):  
Cultural Landscape ◽  
Aesthetic Experience ◽  
Water Environment ◽  
Vegetation Coverage ◽  
Visual Fatigue ◽  
Environment Quality ◽  
Rural Revitalization ◽  
Remediation Design ◽  
Ecological Remediation

Due to the recent excessive pursuit of rapid economic development in China, the cultural heritage resources have been gradually destroyed. This paper proposes cultural recovery and ecological remediation patterns, and adopts virtual reality (VR) technology to evaluate the visual aesthetic effect of the restored landscape. The results show that: (1) the average vegetation coverage increased, providing data support for remediation design evaluation; and (2) the fixation counts and average saccade counts of the subjects increased after the remediation design, indicating that the restored cultural landscape reduced visual fatigue and provided a better visual aesthetic experience. Furthermore, the comparative analysis of the quality of the water environment shows that the remediation design project improved the ecological environment quality of the relics area. The results of this study will contribute to rural revitalization in minority areas in southwest China.

scholarly journals Energy-Water-Environment Nexus and the Transition Towards a Circular Economy: The Case of Qatar

2021 ◽  
Author(s):  
Abdul-Jalil Ibrahim ◽  
Nasim Shah Shirazi
Keyword(s):  
Water Supply ◽  
Development Strategy ◽  
Water Use ◽  
Circular Economy ◽  
Public Awareness ◽  
Water Environment ◽  
National Development ◽  
Supply System ◽  
Water Supply System ◽  
Vision 2030

Abstract Background Qatar’s per capita consumption of both energy and water is among the highest in the world. Documentation of methods to reduce energy and water use and its impact on the environment is crucial. A circular economy (CE) ensures that economic growth must not necessarily lead to more resource consumption. Materials and methods This study aims to discuss the CE approach with a focus on understanding the interdependencies between energy and water and their impact on the environment. The study explores the energy-water-environment nexus and how Qatar can leverage this to transition to a CE. The policy landscape and strategies related to energy and water use sectors are presented, addressing efficiencies and substitutes from a circular economic viewpoint. Results The findings show that electricity and mobility sectors(energy perspective of the CE) and agriculture and water supply system (water perspective of the CE) of the Qatari economy provide an opportunity for regeneration, virtualising, exchanging, optimising, sharing and closing loops to achieve CE growth. Conclusions The nexus between the mobility, electricity, agriculture and water supply system needs consideration for optimal policy outcome for the CE in Qatar. The study recommends a need to embark on public awareness on moving away from linear economic to the circular economic paradigm and developing a comprehensive policy on Qatar’s circular economic approach that consolidates the Qatar National Vision 2030 and the National Development Strategy 2018–2022 to provide policy clarity and communication towards CE.

ESTIMATION OF THE FPV RESIDENTS’ CONTRIBUTION TO SOCIO-ECONOMIC DEVELOPMENT OF THE FAR EAST REGION

2020 ◽  
Author(s):  
Y. V. Balikaeva
Keyword(s):  
Economic Development ◽  
Regional Development ◽  
Far East ◽  
Actual Performance ◽  
East Region ◽  
The Far East ◽  
Business Support ◽  
Socio Economic Development

This article is all about assessment of the FPV residents' contribution to development of named region. Despite the fact that the FPV is one of mechanisms of public stimulus for the socio-economic development of the Far East, providing a business support package, currently it doesn't have a significant impact on the regional development. The actual performance of residents' activity does not meet the planned results

Beijing water resources and the south to north water diversion project

2005 ◽  
Vol 32 (1) ◽  
pp. 159-163 ◽  
Author(s):  
Duan Wei
Keyword(s):  
Water Resources ◽  
Water Supply ◽  
Water Demand ◽  
Socioeconomic Development ◽  
Water Environment ◽  
Water Saving ◽  
Water Diversion ◽  
The South ◽  
Water Diversion Project ◽  
North Water

Beijing is located in a semiarid region, and water shortage is a common problem in the city. Along with the rapid increase in water demand, due to fast socioeconomic development and an increase in population, a shortage of water resources and a deterioration of the water environment have become obstacles to sustainable socioeconomic development in Beijing. In the long run, sustainable water resources management, water conservation, and completion of the south to north water diversion project will solve the problem. This paper introduces the water resources situation in Beijing; analyzes future water demand; and discusses the actions of water saving, nontraditional water resources exploitation, wetland construction, and water environment protection. The paper also explains the importance of the south to north water diversion project and the general layout of the water supply strategy, water distribution system, and methods to efficiently use the diverted water in Beijing.Key words: water resources, water supply, water saving, water recycling, water diversion.

scholarly journals Analysis of Nonpoint Source Pollution and Water Environmental Quality Variation Trends in the Nansi Lake Basin from 2002 to 2012

2015 ◽  
Vol 2015 ◽  
pp. 1-11 ◽  
Author(s):  
Weiliang Wang ◽  
Tiantian Ju ◽  
Wenping Dong ◽  
Xiaohui Liu ◽  
Chuanxi Yang ◽  
...  
Keyword(s):  
Water Pollution ◽  
Economic Development ◽  
Environmental Quality ◽  
Nonpoint Source Pollution ◽  
Nonpoint Source ◽  
Lake Basin ◽  
Class Iii ◽  
Nansi Lake ◽  
Nansi Lake Basin ◽  
Water Environmental Quality

Based on the data analysis of economic development and the water environmental quality from 2002 to 2012 in the Nansi Lake Basin in China, the correlation between economic development and the water environmental quality was researched. Analysis shows that the GDP of the Nansi Lake Basin had an average annual growth of 7.3% in 2012, and the COD andCODMnhad the average annual decrease of 7.69% and 6.79%, respectively, compared to 2002. Basin water environmental quality overall improved, reaching Class III of the “Environmental quality standards for surface water (GB3838-2002).” The pollution of the water environment was analyzed from three aspects: agricultural fertilizers and pesticides, livestock, and aquaculture. Results indicated that the water pollution of the Nansi Lake Basin mainly came from nonpoint source pollution, accounting for more than 80% of the overall pollution. The contributions of both agricultural fertilizers and pesticides account for more than 85% of the overall nonpoint source, followed by livestock and aquaculture. According to the water pollution characteristics of the Nansi Lake Basin, the basin pollution treatment strategy and prevention and treatment system were dissected, to solve the pollution problem of the Nansi Lake Basin.

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