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YET HUMANS ALSO IMPACT THE PROVISIONING OF THESE SERVICES BY ALTERING THE LANDSCAPE WITHIN LAKE CATCHMENTS. SUCH CHANGES  FOR INSTANCE THE DEVELOPMENT OF BUILT STRUCTURES AND ROADS  TYPICALLY RESULT IN THE LOSS OF NATURAL FOREST AND VEGETATIVE COVER  AN INCREASE IN IMPERVIOUS SURFACES  AND HABITAT FRAGMENTATION   ALL OF WHICH INCREASE NUTRIENT LOADING TO LAKES AND DECREASE WATER QUALITY THROUGH THE PROMOTION OF EXCESSIVE PHYTOPLANKTON GROWTH. CYANOBACTERIAL BLOOMS  ONE OF THE MAJOR CONSEQUENCES OF SUCH EXCESSIVE GROWTH  CAN SIGNIFICANTLY IMPEDE THE DELIVERY OF ENVIRONMENTAL BENEFITS BECAUSE THEY DEGRADE WATER QUALITY  CLARITY  AND AESTHETICS  STIFLE LAKE USE  AND DECREASE NEARBY PROPERTY VALUES. TO DATE  THE INTERACTING EFFECTS OF HUMAN AND ENVIRONMENTAL PRESSURES ON LAKE WATER QUALITY ARE NOT HOLISTICALLY UNDERSTOOD. THIS INHIBITS THE ABILITY OF STAKEHOLDERS TO MANAGE LAKES FOR RESILIENCE  A CONCERN GIVEN THAT LAKES ARE FACING GROWING PRESSURE FROM BOTH LAND USE AND CLIMATE CHANGE. TO ADDRESS THIS ISSUE  THE OVERARCHING GOAL OF THIS PROJECT IS TO TRANSFORM THE STATE OF KNOWLEDGE OF HOW DEMOGRAPHIC AND LAND COVER CHANGES WITHIN LAKE CATCHMENTS INTERACT WITH REGIONAL CLIMATE CHANGE AND THEREBY IMPACT LAKE WATER QUALITY  PARTICULARLY WATER CLARITY AND THE INCIDENCE OF CYANOBACTERIAL BLOOMS. WE WILL FOCUS ON LAKES WITHIN PRIMARILY FORESTED WATERSHEDS IN THE NORTHEASTERN UNITED STATES  PARTICULARLY THOSE THAT ARE SUBJECT TO ONGOING DEVELOPMENT AND MAJOR SHIFTS IN CLIMATE. OUR SPECIFIC OBJECTIVES ARE TO: 1.EVALUATE THE INTERACTIVE EFFECTS OF HUMAN POPULATION GROWTH  ALTERED LAND USE AND LAND COVER  CLIMATE VARIABILITY  AND LAKE-SPECIFIC CHARACTERISTICS ON LAKE WATER QUALITY FROM 1986-2016  THEREBY DEVELOPING PREDICTIVE MODELS OF HOW LAKE WATER QUALITY MAY CHANGE IN THE FUTURE. 2.DEVELOP MUCH-NEEDED TOOLS AND MODELS FOR REAL-TIME ASSESSMENT OF CYANOBACTERIAL BLOOMS IN SMALL-TO-MODERATE-SIZED LAKES USING NEW PLATFORMS AND TECHNOLOGIES INCLUDING SUB-ORBITAL UNMANNED AERIAL SYSTEM-BASED HYPERSPECTRAL SENSORS AND CROWD-SOURCED CITIZENSCIENCE DATA COLLECTED USING SMARTPHONE APPLICATIONS. ALTOGETHER  THE PROPOSED RESEARCH WILL SIGNIFICANTLY ADVANCE OUR ABILITY TO FORECAST LAKE CONDITIONS ON BOTH AN INDIVIDUAL BASIS AND ACROSS LANDSCAPES. ALTHOUGH FEW STUDIES HAVE EVALUATED HUMAN DEMOGRAPHY AS A DRIVER OF CATCHMENT CHANGE  WE WILL INTEGRATE THIS IMPORTANT DISCIPLINE TO BROADEN OUR UNDERSTANDING OF LAKE ECOSYSTEMS IN AN INTERDISCIPLINARY FASHION. 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