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The Resource Forestry Measures for Ecologically Controlling Non-Point Source Pollution in Taihu Lake Watershed, China

Forestry Measures for Ecologically Controlling Non-Point Source Pollution in Taihu Lake Watershed, China

Label
Forestry Measures for Ecologically Controlling Non-Point Source Pollution in Taihu Lake Watershed, China
Title
Forestry Measures for Ecologically Controlling Non-Point Source Pollution in Taihu Lake Watershed, China
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Subject
Language
eng
Cataloging source
MiAaPQ
Literary form
non fiction
Nature of contents
dictionaries
Forestry Measures for Ecologically Controlling Non-Point Source Pollution in Taihu Lake Watershed, China
Label
Forestry Measures for Ecologically Controlling Non-Point Source Pollution in Taihu Lake Watershed, China
Link
http://libproxy.rpi.edu/login?url=https://ebookcentral.proquest.com/lib/rpi/detail.action?docID=4614770
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Copyright
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Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Color
multicolored
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Contents
  • Preface -- Acknowledgements -- Contents -- 1 Characteristics of Non-point Source (NPS) Pollution in Taihu Lake Watershed -- Abstract -- 1.1 Introduction -- 1.2 Analysis on Source and Sink of Agricultural Non-point Pollution -- 1.2.1 Framework of Source and Sink of NPS Pollution -- 1.2.2 Components of the Source -- 1.2.3 Distribution of the Sink -- 1.3 Formation of Non-point Source Pollution -- 1.3.1 Rainfall -- 1.3.2 Human Activity -- 1.4 Management and Prevention of NPS Pollution -- 1.4.1 Key Measures on NPS Pollution Control -- 1.4.2 Reduction on Pollutants Diffusion -- 1.4.3 Strengthening of Pollution Monitoring -- References -- 2 Evaluation of Water Eutrophication on Taihu Lake-Connected Channels in Yixing City -- Abstract -- 2.1 Introduction -- 2.2 Materials and Methods -- 2.2.1 Study Area Description -- 2.2.2 Determination of Parameters -- 2.2.3 Computation Carlson Trophic State Index -- 2.3 Results -- 2.3.1 TN, TP, and Chlorophyll a (Chla) -- 2.3.2 Carlson Trophic State Index -- 2.4 Discussion -- 2.5 Conclusions -- References -- 3 Different Land Use Patterns to Combat NPS Pollution in the Region -- Abstract -- 3.1 Ecological Protection Model -- 3.1.1 Ecological Protective Forest Model -- 3.1.2 Wetland Park Model -- 3.2 Countryside Tourism Model -- 3.2.1 Village Public Green Land Model -- 3.2.2 Personal Private Courtyard Model -- 3.3 Multiple Production Models -- 3.3.1 Open Stereoscopic Agriculture Model -- 3.3.2 Greenhouse Agriculture Model -- 3.4 Conclusions -- References -- 4 Countermeasures to Control NPS Pollution in Headwaters of Taihu Lake Basin -- Abstract -- 4.1 Introduction -- 4.2 Functions and Planting Techniques of Hedgerows -- 4.2.1 Functions of Hedgerows -- 4.2.2 Techniques of Hedgerows Development -- 4.3 Techniques of Establishing Riparian Forest Buffer Zone -- References
  • 5 Roles of Forests in Ecological Control of NPS Pollution -- Abstract -- 5.1 Current State of Pollutions -- 5.1.1 Loss of Chemical Fertilizers and Pesticides from Farmlands -- 5.1.2 Pollutants from Livestock Breeding and Aquaculture -- 5.1.3 Domestic Sewages -- 5.1.4 Atmospheric Deposition -- 5.1.5 Diffuse Sources of Pollutions -- 5.2 Influencing Factors for Occurrence of Non-point Source Pollution -- 5.2.1 Land Use Types -- 5.2.2 Farming Systems -- 5.3 Functions of Forests on Ecological Control of NPS Pollution -- 5.3.1 Source Reduction -- 5.3.1.1 Interception of Acidy Rain -- 5.3.1.2 Reduction in Water and Soil Erosion -- 5.3.1.3 Reduced Application of Chemical Fertilizer -- 5.3.2 Sink Expansion -- 5.3.2.1 Developing Forested Wetlands -- 5.3.2.2 Establishing Riparian Forest Buffers -- 5.4 Discussion and Conclusions -- References -- 6 Develop Urban Forestry to Prevent Surface Runoff and Eutrophication -- Abstract -- 6.1 Introduction -- 6.2 Eutrophication and Its Implications for Coastal Ecosystem -- 6.2.1 The Big Pressure on the Coastal Environment -- 6.2.2 The Concept of Eutrophication -- 6.2.3 Implications of Eutrophication on Coastal Ecosystem -- 6.3 Causes of Eutrophication -- 6.3.1 Agricultural Sources -- 6.3.2 Urban Sources -- 6.3.3 Marinas/Boats -- 6.4 Functions of Urban Forestry -- 6.5 Conclusions -- References -- 7 Landscapes Change and Its Effect on Water Quality in Taihu Lake Watershed: A Case Study in Yixing City -- Abstract -- 7.1 Site Conditions of Experimental Area -- 7.2 Methods -- 7.2.1 Computation Method of "Source-Sink" Landscape Contrast Index -- 7.2.2 Field Sampling -- 7.2.3 Statistical Analysis -- 7.3 Results -- 7.3.1 Landscape Contrast Index -- 7.3.2 Change of Water Quality -- 7.3.2.1 Water Quality Change in Different Years -- 7.3.2.2 Spatial Distribution of Water Quality -- 7.4 Discussion and Conclusions -- References
  • 8 Ecological Public Welfare Forests Construction in Yixing City -- Abstract -- 8.1 Introduction -- 8.2 Natural and Social Economic Status in Yixing -- 8.2.1 Natural Geography Conditions -- 8.2.2 Social and Economic State -- 8.2.3 Forest Resources Totally -- 8.2.4 Forests Distribution Along Taihu Lake -- 8.3 Ecological Public Welfare Forests Construction -- 8.4 Works Have Done -- 8.5 Key Technology of Forests Building -- 8.5.1 Tree Species Selection -- 8.5.2 Tree Species Collocation Pattern -- 8.5.3 Seedling Size and Treatment -- 8.5.4 Planting Density -- 8.5.5 Planting Techniques -- 8.6 Discussion and Conclusions -- References -- 9 Effects and Planting Techniques of Hedgerows in Slope Lands for NPS Pollution Control -- Abstract -- 9.1 Introduction -- 9.2 Theory of Agriculture NPS Pollution Control from the Source -- 9.3 Effect and Benefits of Slope Land Nitrogen Fixation by Hedgerows -- 9.4 Planting Techniques of Hedgerows in Slope Lands -- 9.4.1 Design Principle -- 9.4.2 Soil Preparation -- 9.4.2.1 Methods of Soil Preparation -- 9.4.2.2 Depth of Soil Preparation -- 9.4.2.3 Time of Soil Preparation -- 9.4.3 Planting Technology -- 9.4.3.1 Methods of Seedling Planting -- 9.4.3.2 Methods of Sowing -- 9.4.3.3 Planting Season -- 9.4.4 Maintenance and Management -- 9.5 Discussion and Conclusions -- References -- 10 Purification of Eutrophicated Water and Dynamic Kinetics of Nitrogen Absorption by 2 Salix integra Clones -- Abstract -- 10.1 Materials and Methods -- 10.1.1 Experimental Materials -- 10.1.2 Purification Efficiency of Willows on Nitrogen and Phosphorous -- 10.1.2.1 Preparation of Treatments -- 10.1.2.2 Purification of Nitrogen and Phosphorous in Eutrophic Water -- 10.1.3 Measurement of Different Forms of Nitrogen -- 10.1.3.1 Absorption Kinetics of {{{\hbox{NH}}_{4}}{̂ {\,+\,} }} -N
  • 10.1.4 Absorption Kinetics of {{{{\bf NO}}_{\mathbf 3}}{̂ \mathbf - }} {\mathbf -} {{\bf N}} -- 10.1.4.1 Influences of {{{\hbox{NH}}_{4}}{̂ {\,+\,} }} -N on the Absorption of {{{\hbox{NO}}_{3}}{̂ - }} -N -- 10.1.4.2 Influences of {{{\hbox{NO}}_{3}}{̂ - }} -N on the Absorption of {{{\hbox{NH}}_{4}}{̂ {\,+\,} }} -N -- 10.2 Results and Analysis -- 10.2.1 Purification Effect of S. integra -- 10.2.1.1 Removal Efficiency of S. integra on TN -- 10.2.1.2 Removal Efficiency of S. integra on TP -- 10.2.1.3 Removal Efficiency of Salix Integra on {{{{\bf NH}}_{\mathbf 4}}{̂ \mathbf {\,+\,} }} -N -- 10.2.1.4 Removal Efficiency of S. integra on {{{{\bf NO}}_{\mathbf 3}}{̂\mathbf - }} -N -- 10.2.2 Absorption Kinetics of S. integra on Different Forms of Nitrogen -- 10.2.2.1 Absorption Kinetic Characteristics of S. integra on {{{{\bf NH}}_{\mathbf 4}}{̂ \mathbf {\,+\,} }} -N -- 10.2.2.2 Absorption Kinetic Characteristics of Salix Integra on {{{{\bf NO}}_{\mathbf 3}}{̂\mathbf - }} -N -- 10.3 Discussion and Conclusions -- References -- 11 Physiological Characteristics and Nitrogen Absorption/Distribution Features of Salix matsudana Under Different Nitrogen Stresses -- Abstract -- 11.1 Introduction -- 11.2 Materials and Methods -- 11.2.1 Cultivation of Testing Materials -- 11.2.2 Experimental Methods -- 11.2.2.1 Weighing of Plantlet Biomass -- 11.2.2.2 Measurement of e15N Content in Different Organs -- 11.2.2.3 Analysis of Physiological Indexes -- 11.2.3 Data Treatment -- 11.3 Results and Analysis -- 11.3.1 Effect of Nitrogen Treatment on Biomass and Nitrogen Absorption -- 11.3.2 Effect of Nitrogen Treatment on 15N Absorption and Distribution -- 11.3.3 Effects of Nitrogen Treatment on CAT, POD, SOD, and MDA in Leaf and Root -- 11.3.4 Effect of Nitrogen Treatment on Root Activity and Root Morphology -- 11.4 Discussion and Conclusions -- References
  • 12 Influences of Protective Forest Construction on Soil Nutrient Dynamics -- Abstract -- 12.1 Introduction -- 12.2 Materials and Methods -- 12.2.1 Study Area -- 12.2.2 Methods -- 12.2.2.1 Soil Sample Collection -- 12.2.2.2 Plant Sample Collection and Analysis -- 12.2.2.3 Investigation of Agricultural Production in Test Plots -- 12.3 Results and Analysis -- 12.3.1 Effect of Different Terrains on Soil Nutrient Contents -- 12.3.2 Influence of Different Land Use Ways on Soil Nutrient Content -- 12.3.3 Soil Nutrient Load Change -- 12.4 Discussion and Conclusions -- References -- 13 Ecological Effects of Tree Planting on Taihu Lake Watershed -- Abstract -- 13.1 Introduction -- 13.2 Description of the Test Plot -- 13.3 Materials and Method -- 13.3.1 Soil Sample Collection and Determination -- 13.3.2 Survey of Vegetation Coverage and Plant Diversity -- 13.3.3 Determination of Surface Runoff -- 13.4 Results and Analysis -- 13.4.1 Soil Condition Change -- 13.4.2 Influence of Establishing Protective Forests on Plant Diversity -- 13.4.3 Effects of Tree Planting on Surface Runoff -- 13.5 Discussion and Conclusions -- References -- 14 Control of TN and TP by the Pond and Wetland Integrated System -- Abstract -- 14.1 Introduction -- 14.2 Test Plot Description -- 14.3 Materials and Methods -- 14.4 Results and Analysis -- 14.4.1 NPS Pollutant Generation, Migration Law, and Temporal and Spatial Distribution -- 14.4.1.1 TN and TP Pollution Load Changes in Zhongzhang River Source -- 14.4.1.2 TN and TP Load Changes in Hongcun Village Farmland Drainage -- 14.4.2 Farmland Sewage Purification by Artificial Pond-Wetland System -- 14.4.2.1 Sewage TN Removal -- 14.4.2.2 Sewage TP Removal -- 14.4.3 Water Pollutant Purification in Artificial Wetland -- 14.5 Discussion and Conclusions -- References -- 15 N and P Absorption by Hydrophytes and Wetland Sustainable Management
  • Abstract
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