Policy and Investment Priorities to Reduce Environmental Degradation of the Lake Nicaragua Watershed (Cocibolca) : Addressing Key Environmental Challenges

This study, policy and investment priorities to reduce environmental degradation of the Lake Nicaragua watershed, has assessed the sources and the magnitude of the pressures that threaten Lake Cocibolca. It was accomplished by applying a hydrologic...

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Bibliographic Details
Main Author:	World Bank
Format:	Working Paper
Language:	English en_US
Published:	Washington, DC 2014
Subjects:	ACCESS TO WATER ACTION PLANS ACTIVE ENGAGEMENT ACTUAL RAINFALL ADVERSE EFFECTS ADVERSE IMPACTS AGRICULTURAL ACTIVITY AGRICULTURAL FIELDS AGRICULTURAL LAND AGRICULTURAL PRODUCTION AGRICULTURE AIR QUALITY ALGAE ALGAL GROWTH ANNUAL PRECIPITATION ANNUAL RUNOFF AQUACULTURE AQUATIC LIFE AQUEDUCTS AQUIFER AQUIFER CONTAMINATION AQUIFERS AROMATIC HYDROCARBONS BACTERIA BASINS BEACHES BIODIVERSITY BIODIVERSITY CONSERVATION BIOLOGICAL COMMUNITIES BIOSPHERE BIOSPHERE RESERVE BIRD BIRD SPECIES BIRDS BOD BREEDING BROAD RANGE CARBON CARBON SINK CATCHMENTS CATTLE CERTIFICATION CLIMATE CLIMATE CHANGE COAST COASTAL AREAS CONSERVATION CONSERVATION TILLAGE CONSTRUCTION CONTAMINANTS CONTINUOUS MONITORING CRITICAL AREAS CROPS DATA GAPS DECISION MAKING DEFORESTATION DISCHARGE DOMESTIC USE DOMESTIC WATER DREDGING DRINKING WATER DRINKING WATER QUALITY ECOLOGICAL FUNCTIONS ECOLOGICAL PROCESSES ECOLOGY ECONOMIC DEVELOPMENT ECONOMIC GROWTH ECONOMIC POLICIES ECOSYSTEM ECOSYSTEM HEALTH ECOSYSTEMS EMISSION REDUCTION ENGINEERING ENVIRONMENTAL ENVIRONMENTAL CONSERVATION ENVIRONMENTAL DEGRADATION ENVIRONMENTAL EDUCATION ENVIRONMENTAL IMPACT ASSESSMENT ENVIRONMENTAL IMPACTS ENVIRONMENTAL INFORMATION ENVIRONMENTAL ISSUES ENVIRONMENTAL MANAGEMENT ENVIRONMENTAL MONITORING ENVIRONMENTAL POLICY ENVIRONMENTAL PROBLEMS ENVIRONMENTAL PROTECTION ENVIRONMENTAL RESEARCH EROSION EUTROPHICATION EUTROPHICATION PROBLEMS FARMS FISH FISH BREEDING GROUNDS FISH KILLS FISH STOCKS FISHERIES FISHING FLOODS FOOD POLICY RESEARCH FOREST FOREST COVER FORESTRY FORESTS FRESHWATER GEOGRAPHIC INFORMATION GEOGRAPHIC INFORMATION SYSTEMS GLOBAL BIODIVERSITY GRASSLANDS GRAVITY GRAVITY FLOW GROUNDWATER GROUNDWATER DISCHARGE HABITATS HIGH LEVELS HYDROLOGY IMAGES INDUSTRIAL WATER INVASIVE SPECIES IRON IRRIGATION IRRIGATION SYSTEMS IRRIGATION WATER LAKE LAKE SEDIMENTS LAKES LAND USE LAND USES LEAKAGE LIVESTOCK LIVESTOCK PRODUCTION MAMMAL SPECIES MESOAMERICAN BIOLOGICAL CORRIDOR METALS MITIGATION MONITORING PROGRAM MUNICIPAL WASTEWATER NATIONAL FISHERIES NATIVE FISH NATIVE SPECIES NATURAL RESOURCE NATURAL RESOURCE MANAGEMENT NATURAL RESOURCES NATURAL RESOURCES CONSERVATION NEW SPECIES NITROGEN NUTRIENT CONTENT NUTRIENT FLOWS NUTRIENT LEVELS NUTRIENT LOADS ORGANIC COMPOUNDS OXYGEN DEMAND OXYGEN LEVELS PASTURE PASTURES PHOSPHORUS PLANNING PROCESS POINT SOURCE POINT SOURCE POLLUTION POLLUTANTS POPULATION GROWTH POTABLE WATER PRECIPITATION PRESSURE PROTECTED AREAS PUBLIC AWARENESS PUBLIC HEALTH PUBLIC HEALTH RISKS PUMPING PUMPING STATIONS QUALITY STANDARDS RAINFALL CHARACTERISTICS RAINFALL PATTERNS RANGES REGIONAL CLIMATE REMOTE SENSING REPTILES RESERVOIR RESOURCE MANAGEMENT RESTORATION RIVER RIVER BASINS RIVER WATERSHED RIVERS RUNOFF SANITATION SEDIMENT SEDIMENT LOAD SEDIMENT LOADS SEDIMENTS SHORE SHORES SHRUBS SOIL DEGRADATION SOIL EROSION SOIL PRODUCTIVITY SOILS SPECIES STORMS STREAM STREAMS SURFACE AREA SUSTAINABLE AGRICULTURE SUSTAINABLE DEVELOPMENT SUSTAINABLE GROWTH SUSTAINABLE MANAGEMENT SUSTAINABLE TOURISM SUSTAINABLE USE SUSTAINABLE WATER TILAPIA TOPOGRAPHY TOURISM DEVELOPMENT TOURIST ATTRACTIONS TOXIC ALGAE TREATING WASTEWATER WASTE DISPOSAL WASTEWATER TREATMENT WATER CONSUMPTION WATER CONTAMINATION WATER FLOWS WATER POLLUTION WATER QUANTITY WATER RESOURCES WATER RESOURCES MANAGEMENT WATER RESOURCES MANAGEMENT PLANS WATER SECTOR WATER SOURCES WATER SUPPLY WATER SYSTEM WATER TREATMENT WATER USE WATERS WATERSHED WATERSHED MANAGEMENT WATERSHED PROTECTION WATERSHEDS WETLAND WETLAND MANAGEMENT WETLAND PROTECTION WETLANDS WILDLIFE WILDLIFE HABITATS
Online Access:	http://documents.worldbank.org/curated/en/2013/01/17617786/policy-investment-priorities-reduce-environmental-degradation-lake-nicaragua-watershed-cocibolca-addressing-key-environmental-challenges http://hdl.handle.net/10986/16600

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Summary:	This study, policy and investment priorities to reduce environmental degradation of the Lake Nicaragua watershed, has assessed the sources and the magnitude of the pressures that threaten Lake Cocibolca. It was accomplished by applying a hydrological and land use model to the lake's watershed and by conducting additional estimates of nutrients generated from wastewater sources and tilapia farming. The study has confirmed that sediment loads are very high, and has estimated their magnitude in each sub-watershed. The key results of the study are the estimation of sedimentation levels in the watershed and the identification of erosion hotspots. The Lake Cocibolca watershed is a globally unique cradle of biodiversity with major importance not only to the global and local environment, but also to the 750,000 people living within its boundaries. Several fish species are endemic to the lake, and the watershed's location within the Mesoamerican Biological Corridor has made it a meeting ground for fish, bird and mammal species from North and South America. Apart from its importance for fishing and recreation industries, the lake is beginning to be used as a source of water supply for some coastal towns; its role as a source of drinking water may grow in the future. Lake Cocibolca and its watershed are under pressure from multiple sources but, in the absence of reliable monitoring information, the extent of the environmental degradation is unclear. Environmental deterioration in the watershed is high on the government's agenda.

Policy and Investment Priorities to Reduce Environmental Degradation of the Lake Nicaragua Watershed (Cocibolca) : Addressing Key Environmental Challenges

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