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What is Watershed

Climate Change and Its Impact on Ecosystem Services and Biodiversity in Arid and Semi-Arid Zones
The area that drains into a single river is the watershed for that river.
Published in Chapter:
Adaptive Strategies of Small Family Farms in the Face of Climate Change: The Case of the Tleta Watershed in Northern Morocco
Mohamed El Amrani (National School of Agriculture of Meknes, Morocco)
DOI: 10.4018/978-1-5225-7387-6.ch017
Abstract
Climate change is now an accepted reality. It is felt globally through increased temperature and precipitation regime disruption and increased frequency of extreme events such as floods and droughts. In the absence of effective mitigation and adaptation actions, these changes could have significant negative impact on the sustainability of agriculture and the resilience of populations especially in areas with fragile ecology. However, these changes remain an issue that is difficult to grasp and still not well integrated into management strategies at the farm, sector, and territory levels. The objectives of this research are to describe the production systems, and to study the resilience strategies, perception, and adaptive practices of farms in the Tleta watershed in Northwest Morocco in the face of climate change and landscape dynamics. It describes farming systems and activities, attempts to analyze how farmers perceive global changes in their landscape, and adopts innovative strategies and practices to adapt to them. It also shows that the actions of institutional actors in the area that can contribute to the resilience of the populations are numerous but remain fragmentary and lack integration.
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Land Use Land Cover Dynamics in Ribb Watershed and Its Implication to the Sustainability of Ribb Dam: South Gondar, Ethiopia
Area of land that drains water to a common point along a river, stream, pond, lake, estuary, ocean, or other water bodies.
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Integrated Watershed Management for Sustainable Development
A land area with all environmental entities, which has hydrologic cycle as an entity governing the definition.
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Machine Learning in Morphological Segmentation
Segmentation by watershed designs a family of segmentation methods that consider an image as a topographic relief the flooding of which is simulated.
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Recent Progress in Image and Video Segmentation for CBVIR
A transform or an algorithm for image segmentation. It is traditionally classified as a region-based segmentation approach. The idea underlying watershed transform comes from geography.
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Prioritization of Soil Erosion-Susceptible Sub-Watersheds Using Multi-Criteria Decision Method in the Lesser Himalayas
A watershed is the geographical area drained by a watercourse. The concept applies at various scales – from, for example, a farm drained by a creek (a “micro-watershed”) to a large river basin (or a lake basin).
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Eutrophication: A Bionomical Vision
Watershed is an area where rainwater runoff is gathered and directed towards a shared outlet or point.
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GIS-Based Watershed Analysis for Water Storage Facilities in Underdeveloped Areas: Case of a Gravity Hill in Saudi Arabia
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On the Relation between Hydrological Forecasts and Water Resources Management
Is an area though which water flows on its way to an ocean, a sea, a river or a lake. A watershed may drain a huge area of thousands of square miles or very small of an area of 20-acre.
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Recent Advances in Automated Chromosome Image Analysis
The segmentation based on watershed designs is a family of segmentation methods that consider an image as a topographic relief the flooding of which is simulated.
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Tapping Rural Women Entrepreneurship Through Self-Help Micro-Credit: Evidence and Lessons From Jammu and Kashmir, India
A watershed is a topographically delineated area that is drained by a stream system. It is the total area above some point on a stream or river that drains past that point. A watershed is also a hydrological response unit, a biophysical unit, and a holistic ecosystem in terms of the materials, energy, and information that flow through it. Watersheds can vary in size from thousands of square kilometers to a small area drained by a freshet.
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