搜索结果: 1-15 共查到“Environmental impacts”相关记录26条 . 查询时间(0.078 秒)
该研究发现棉花种植环节的环境影响取决于灌溉、农药和化肥用量。全球约有一半的棉田使用地下水灌溉，农药平均施用量为 1.57 kg/ha，氮磷肥平均投入量为150 kg/ha。全球各棉区灌溉、农药、氮肥施用量差异较大，经济发展水平高的地区施用量较高，而经济水平和水资源有限的棉区施用量较少，亟需因地制宜提高灌溉用水、化肥、农药利用效率，减少生产环节的环境影响。研究还发现，除了棉花种植环节对环境的影响外，...
New software tool to model the economic and environmental impacts of California drought（图）
New software tool model economic environmental impacts California drought
2020/7/10
Drought may mean restrictions for watering lawns, crop losses for farmers and an increased risk of wildfires. But it can also hit power companies in the wallet.In communities that rely on water for po...
Food systems are fodder for curbing cities' environmental impacts（图）
Food systems fodder curbing cities environmental impacts
2020/3/20
Focusing on urbanization as a key driver of environmental change in the 21st century, National Science Foundation-funded scientists at Princeton University have created a framework to understand and c...
2017东亚地区氮循环与环境影响国际研讨会（International Conference onNitrogen cycling and its environmental impacts in East Asia）
2017 东亚地区 氮循环 环境影响 国际研讨会
2017/8/1
The N panel of Soil Science Society of China (SSSC) and the East Asia Center of International Nitrogen Initiative (INI) are pleased to announce the International Conference of Nitrogen Cycling and Its...
REMOTE SENSING FOR ASSESSING ENVIRONMENTAL IMPACTS BASED ON SUSTAINABILITY INDICATORS
Satellite remote sensing Spatial databases Interferometric SAR Crop management Sustainability Indicators
2016/1/3
Sustainable development is that which meets the needs of the present without foreclosing the needs or options of the future. Many studies have been published on how to assess sustainability using indi...
TRACKING ENVIRONMENTAL IMPACTS AND HABITAT FRAGMENTATION ON COASTAL PROTECTED AREAS THROUGH OBJECT ORIENTED ANALYSIS.IDENTIFICATION AND CATEGORIZATION OF LINEAR DISTURBANCES IN CORRUBEDO NATURAL PARK (NW IBERIAN PENINSULA)
Monitoring vegetation classification fuzzy logic object context orthoimage
2015/8/19
The increase of tourism in coastal protected areas is potentially one of the drivers of ecosystem fragmentation with the consequent important damages to their biodiversity values. One of the key manag...
On the Movement of Beluga Whales in Cook Inlet,Alaska:Simulations of Tidal and Environmental Impacts Using a Hydrodynamic Inundation Model
Beluga Whales Cook Inlet Alaska Tidal and Environmental Hydrodynamic Inundation Model
2015/7/22
The population of beluga whales in Cook Inlet, Alaska, is in decline, and since 2000 these whales have been under consideration for designation as "endangered" under the Endangered Species Act (and we...
Public understanding of environmental impacts of electricity deregulation
Electricity deregulation Environmental impacts Public perceptions
2014/11/27
Electricity deregulation has aroused concern that environmental quality might be harmed by consumer preferences for cheap, “dirty” (e.g., coal) electricity products, despite the perhaps stronger influ...
Chinese Agricultural Transition: Trade, Social and Environmental Impacts
Chinese Agricultural Transition Trade Social Environmental Impacts
2014/3/12
The project investigates the impact of China’s current economic transition on its agricultural economy with special reference to the consequences of trade liberalization and of changing trade flows. T...
Evaluation of the Environmental Impacts Assessment (EIA) System in Lao PDR
Environmental Impact Assessment Lao PDR Strength and Weakness Procedures and Practices
2013/3/12
This study explores and seeks to explain the EIA procedures practice gap in Lao PDR. It reviews the literature and studies EIA legislation, administrative procedures, guidelines, and relevant document...
Determination of Significance of Environmental Impacts of Development Projects: A Case Study of Environmental Impact Assessment of Indrawati-3 Hydropower Project in Nepal
Environmental Impact Assessment Environmental Significance Ranking Prediction of Impacts Importance Weighting Judgment Values
2013/3/12
The environmental impacts are commonly quantified in the EIA studies by rating, ranking and scaling. The National EIA Guidelines, 1993, Nepal provides a guideline to score the impacts in terms of magn...
The Economic and Environmental Impacts of Constructing Hydro Power Plants in Turkey: A Dynamic CGE Analysis (2004-2020)
Hydro Power Generation Dynamic CGE Turkey Carbon Emission
2013/3/11
Since Turkey’s economy and population is rapidly growing, Turkey mostly meets its energy demand from imported fossil sources due to the very limited indigenous oil and natural gas resources. However, ...
A summary of the environmental impacts of roads, management responses, and research gaps: A literature review
access management mitigation techniques planning research needs road analysis roadassessment road effects roads
2010/8/31
There are an estimated 400 000-550 000 km of unpaved resource roads in British Columbia. These roads are used for forest, mineral, and energy development, commercial and public recreation, and in some...
Environmental Impacts of an Old Mine Tailings Deposit—Metal Adsorption by Particulate Matter
Environmental Impacts Old Mine Tailings Deposit Metal Adsorption
2009/10/27
The distribution of metals (aluminum, manganese, iron, copper, zinc, cadmium
and lead) between suspended particles and solution phase has been
studied by analysis of time series data in a stream rec...
Environmental Impacts of an Old Mine Tailings Deposit—Metal Concentrations and Water Pathways
Environmental Impacts Old Mine Tailings Deposit Metal Concentrations
2009/10/27
Variations in metal concentrations in a heavily polluted stream receiving acidic
leachates from an old mine tailings deposit are analysed from a hydrological
perspective. From an extensive data mate...