Environmental Role of Wetlands in Headwaters

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Josef Krecek, Martin Haigh
Springer Science & Business Media, May 28, 2006 - Science - 347 pages
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Internationally, the wetlands of headwater and upland regions provide many valuable environmental services. They influence flood flows, sediment loads and aquifer recharge; biochemical water qualities and biodiversity. They affect the livelihoods of many communities providing water, peat, timber, grazing, crops and, locally, aesthetic, cultural, recreational, nature conservation and educational benefits. Previously, many of these lands were valued only for their capacity to be converted to other uses through drainage and forestation. Today, their benefits are better appreciated. Better environmental management highlights ways of bringing enhanced benefits from these lands to all stakeholders and of minimising their potentially negative impacts due to climatic emissions of greenhouse gases, hydrological changes (especially flooding, water chemistry) and sediment release. This book moves towards a more comprehensive inventory of the benefits and costs of headwater wetlands. It evaluates the research that tries to understand the tolerances, exchanges, checks and balances within headwater landscapes and the downstream impacts of changes in wetlands. It employs case studies and reviews from 21 nations spanning Europe, Africa, Asia and the Americas. It explores the new policy frameworks, changes in land husbandry, new systems for community education, participatory processes and technological interventions required for the effective management of headwater wetlands and the full integration of wetlands (including newly constructed wetlands) into environmental management and planning. In the past, most research dealt with wetlands as isolated features, this book examines wetlands in their watershed management context.

 

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Contents

Headwater Wetlands
1
Mapping Wetlands in European Headwater Areas
7
The Role of Forest on The Hydrology of Headwater Wetlands
17
Role of Grassland Ecosystems in Protection of Forested Wetlands
48
The Effect of Peat Land Drainage and Afforestation on Runoff Dynamics
59
Impact of Herbaceous Vegetation on Recoveery of a Harvested Headwater Catchment
77
Leaching of Nitrogen from Upland ForestRegenration sites into Wetland Areas
87
Hydrology of Disturbed PeatLand Heads of the valleys Wales
95
Headwater resources and headwater hazards perspectives from environmental education
181
Hydrology of wetlands in the headwaters of great african rivers
203
Headwater wetlands in eastern and southern Africa
211
Economic contribution of headwater wetlands
221
The lake kinneret drainage basin
233
Environmental change in headwater peat wetlands UK
237
Environmenrt Problems of Headwater Wetlands
257
Headwater Wetlands in the Czech Republic
265

Estimation of Water Budget in the Forested PeatLands of Western Ireland
106
Role of the plankonic communities in the regulation and indication of eutrofication processes in shallow mountain wetlands
117
New wetland formation in subsidence hollows of western dondass ukraine
135
Integrating wetlands into watershed managementeffectiveness of constructed wetlands to reduce impacts from urban stromwater
142
Disasters and Climate Change Their Relation with Wetland Headwaters
155
The Alleghe Lake Dolomites Italy Environmental Role and Sediment Management
161
Alpine wetlands from ecological network to landbased risk prevention
173
Analysis of the Water Balance of Small Paramo Catchments in South Ecuador
271
Summary Reports Wetlands in Slovakia Poland Belarus Slovenia and Canada
282
Headwater and Wetland Protection The Italian Legal Framework
297
Next Generation of Watershed Management Programmes Objectives and Expected Results
301
ConclusionWetlands in context
313
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