نتایج جستجو برای: wetland environmental quality

تعداد نتایج: 1098932  

2017
Yinan Zhang Chunli Chu Lei Liu Shengguo Xu Xiaoxue Ruan Meiting Ju

A 'red line' was established, identifying an area requiring for ecological protection in Tianjin, China. Within the protected area of the red line area, the Qilihai wetland is an important ecotope with complex ecological functions, although the ecosystem is seriously disturbed due to anthropogenic activities in the surrounding areas. This study assesses the water quality status of the Qilihai w...

Journal: :Applied Water Science 2021

Abstract Considering the environmental, agricultural, and ecological significance of Bhindawas wetland, present study is first comprehensive investigation to assess water quality, determine suitability for aquatic life in wetland; its irrigation areas around wetland. Twenty samples from wetland were analyzed spatial variations dissolved oxygen (DO), phosphate, nitrate, biological demand (BOD 5 ...

1999

BACKGROUND: Conversion of BLH wetland forests to agriculture is a primary cause of wetland loss in the southeastern United States (Figure 1). Restoration of BLH in abandoned agricultural fields, however, has had limited success. Low survival rates of planted trees are a consequence of several environmental factors such as water stress and herbivory. However, pilot studies of growth of seedlings...

2006
Wesley E. Highfield Samuel D. Brody

Floods continue to pose a significant threat to the property and safety of human populations in the United States. The economic impact from floods is estimated in the billions of dollars annually, and these losses are exacerbated by increasing development. This article examines the impact of wetland alteration on flood damage among local jurisdictions in Florida over a 7-year period. Specifical...

The Lo Go-Xa Mat is a national park in the southeastern region of Vietnam, which has a particularly high biodiversity and it includes different wetlands which are unique diverse in species composition. It can be categorized into two types: temporarily-seasonally and permanently flooded wetlands. Ta Not grassy marsh is representative of the seasonally flooded wetland. Whilst the diversity and ec...

2015
Wanfei Wang Joseph S. Chen Lingling Fan Jiaying Lu

Following an experiential framework, this research aims to disentangle the factors influencing tourist experiences in wetland parks in the context of an emerging economy. Specifically, this study tests the causal relationships among service quality, tourist experience, and revisit intention in relation to three popular wetland parks in Zhejiang, China. Consequently a series of on-site visitor s...

2010
Ivana Gudelj

Original scientific paper Efficiency of waste water treatment in a subsurface constructed wetland depends on influent water quality, quality water effluent demand, climate conditions, substrate type and plants used. Therefore, the efficiency of the constructed wetlands that are designed and constructed according to the literature design parameters can be different then expected. The results of ...

A Salmanmahiny H. Mirkarimi N.A. Hasan Abassi S Sefidian,

Wetlands as water resources have a special place in the semi-arid plateau of Iran and boundary determination is necessary for their effective conservation and conflict resolution among stakeholders that are dependent on these resources. Determination of the wetland boundaries should be commensurate with environmental features affecting on it which normally extend beyond water extent. Ecological...

Journal: :environmental resources research 0
s sefidian gorgan university of agricultural sciences and natural resources (guasnr), gorgan, iran a salmanmahiny gorgan university of agricultural sciences and natural resources (guasnr), gorgan, iran h. mirkarimi gorgan university of agricultural sciences and natural resources (guasnr), gorgan, iran n.a. hasan abassi gorgan university of agricultural sciences and natural resources (guasnr), gorgan, iran

wetlands as water resources have a special place in the semi-arid plateau of iran and boundary determination is necessary for their effective conservation and conflict resolution among stakeholders that are dependent on these resources. determination of the wetland boundaries should be commensurate with environmental features affecting on it which normally extend beyond water extent. ecological...

Journal: :ISPRS Int. J. Geo-Information 2017
Rui Sun Pingping Yao Wen Wang Bing Yue Gang Liu

As “kidneys of the earth”, wetlands play an important role in ameliorating weather conditions, flood storage, and the control and reduction of environmental pollution. With the development of local economies, the wetlands in both the Amazon and Yangtze River Basins have been affected and threatened by human activities, such as urban expansion, reclamation of land from lakes, land degradation, a...

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