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Visualizing the Dpsir Model for Northwest Florida's Coastal Dune Lakes
Thesis   Open access

Visualizing the Dpsir Model for Northwest Florida's Coastal Dune Lakes

Kelly Dunn
University of West Florida Libraries
Master of Science (MS), University of West Florida
Spring 2022

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Abstract

Coastal dune lakes (CDLs) are found in five countries around the world and Florida’s Panhandle is home to 15 CDLs. These unique lakes in Northwest Florida have been ranked globally significant as defined by the 2010 Florida Natural Areas Inventory. Due to the proximity of the CDLs to beaches and available recreational activities, CDLs experience a tourism draw. As the ecologically sensitive CDLs experience varying types of anthropogenic activity, the demand for development and recreation may pose as pressures for the state of the CDLs. This research focuses on the adverse impacts of anthropogenic pressure on the CDLs based on proposed planning and state legislations. Land use land cover (LULC), water samples, and hurricane Michael’s impact on Philip’s inlet were visualized based on a Driver-Pressure-State-Impact-Response Model (DPSIR). The conceptual model of the DPSIR bridges the communication gap between researchers and policymakers but commonly lacks visualization. Six CDLs were evaluated using the DPSIR model and its cyclical flow of variables such as population growth, LULC, nutrient loading, and variability of inlets to identify the current health of these lakes. Then by visualizing, the impacted areas identify areas of high-risk. Since 2015, most of the six CDLs show growth in surrounding residential use. CDLs located in state protected areas such as Campbell Lake have shown healthy parameters whereas highly developed areas surrounding likes like Oyster Lake pose as a threat as nutrient levels continue to grow. Identified areas of high-risk may help establish strategies that could mitigate the impacting factors.
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