搜索结果: 1-15 共查到“农学 water quality”相关记录25条 . 查询时间(0.125 秒)
Longitudinal patterns in fish and macrozoobenthos assemblages reflect degradation of water quality and physical habitat in the Bílina river basin
fish community macroinvertebrates pollution channelization Elbe basin
2015/6/8
The aim of this study was to provide the first account of fish and macroinvertebrate communities in a heavily degraded river basin in the Czech Republic. Fish and macrozoobenthos were surveyed at 18 s...
Long-term improvement in surface water quality after land consolidation in a drinking water reservoir catchment
land use protection zone soil and water conservation water pollution
2015/3/13
The aim was to explore how soil and water conservation measures, applied in the process of land consolidation, affected nutrient concentrations in surface waters of the Hubenov drinking water reservoi...
Impact of water quality, cultivation, and cropping systems on infiltration and physical properties of an arid clay soil
aggregate stability crop cover infiltration tillage wastewater
2015/3/10
Irrigation with treated wastewater is essential for increasing crop production in arid and semi arid regions. Field experiments were conducted on rainfed clayey soil to investigate the impact of water...
Assessing the stream water quality dynamics in connection with land use in agricultural catchments of different scales
nitrates land use drinking water reservoir basins GIS
2015/2/4
The ecological status of many surface waters in the Czech Republic is poor, mainly due to still relatively high discharges of N substances especially from agriculture. High nitrate values in the strea...
The impact of artificial drainage on water quality in two model areas in the bohemian forest foothills
water quality tile drainage land use soil
2015/2/4
This contribution arises from a broader research assignment dealing with the changes in soil properties and characteristics which have occurred following the artificial drainage of some agricultural s...
Long-term progress in water quality after grassing and fertilization reduction in spring areas of the Sumava Mountains
subcatchment land use change tile drainage water quality
2015/2/4
The changes in water quality caused by grassing of arable land followed by the reduction in the use of fertilisers after 1989 are demonstrated on an example of two tile-drained subcatchments in spring...
Land Planning and Development Mitigation for Protecting Water Quality in the Great Lakes System: An Evaluation of U.S. Approaches
Land Planning Development Mitigation Protecting Water Quality Great Lakes System U.S. Approaches
2014/12/10
A review of the land use/water quality interface of the Great Lakes system, and the monitoring programs in place. The paper reviews the weakness in the system and suggests opportunities for improvemen...
Fragmentation, Impervious Surfaces and Water Quality: Quantifying the effects of density and spatial arrangement
Fragmentation Impervious Surfaces Water Quality density spatial arrangement
2014/12/9
Impervious surfaces have for many years been recognized as an indicator of the intensity of the urban environment and, with the advent of urban sprawl, they have become a key issue in habitat health. ...
Fragmentation, Impervious Surfaces and Water Quality: Quantifying the effects of density and spatial arrangement
Waterproof Surface The urban environment Habitat Health Water quality Land Ecological degradation planning
2014/12/1
Impervious surfaces have for many years been recognized as an indicator of the intensity of the urban environment and, with the advent of urban sprawl, they have become a key issue in habitat health. ...
Land Planning and Development Mitigation for Protecting Water Quality in the Great Lakes System: An Evaluation of U.S. Approaches
Assessment Land The lake Monitoring System weaknesses
2014/11/28
A review of the land use/water quality interface of the Great Lakes system, and the monitoring programs in place. The paper reviews the weakness in the system and suggests opportunities for improvemen...
Bioretention: Evaluating their Effectiveness for Improving Water Quality in New England Urban Environments
Bioretention Green Infrastructure Low Impact Development Stormwater Management BMP Performance Monitoring Pollutant Removal Performance Monitoring Methods and Models
2014/11/7
Nonpoint source (NPS) pollution is one of the leading causes of water quality problems in the United States. Bioretention has become one of the more frequently used stormwater management practices for...
Bioretention: Evaluating their Effectiveness for Improving Water Quality in New England Urban Environments
Bioretention Green Infrastructure Low Impact Development Stormwater Management BMP Performance Monitoring Pollutant Removal Performance Monitoring Methods and Models
2014/11/4
Nonpoint source (NPS) pollution is one of the leading causes of water quality problems in the United States. Bioretention has become one of the more frequently used stormwater management practices for...
Bioretention: Evaluating their Effectiveness for Improving Water Quality in New England Urban Environments
Pollutant Removal Performance Monitoring Methods and Models
2014/10/20
Nonpoint source (NPS) pollution is one of the leading causes of water quality problems in the United States. Bioretention has become one of the more frequently used stormwater management practices for...
An application of different biotic and diversity indices for assessing water quality: A case study in the Rivers Çukurca and Isparta (Turkey)
Biotic index diversity index macro-zoobenthos water quality Turkey
2011/2/22
A number of biotic indices (Biological Monitoring Working Party-BMWP, Average Score Per Taxa-ASPT, Belgian Biotic Index-BBI, Family Biotic Index-FBI, Saproby Index-SI, Extended Biotic Index-EBI, Bioti...
The impact of irrigation water quality on water uptake by orange trees
Saline water orange trees water uptake
2011/1/12
A greenhouse lysimeter study was carried out in Tottori (Japan) during August 2000 to explore the impacts of saline irrigation on water uptake by orange trees. Two lysimeters filled with sandy soil we...