Browsing by Author "Tonkin, Curtley Wayne"
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- ItemGeospatial modelling of relationships between select recreational user groups' social values and ecosystem services in the Cape Peninsula of South Africa.(Stellenbosch : Stellenbosch University, 2023-03) Tonkin, Curtley Wayne; Williams, Samantha; Mashimbye, Eric; Stellenbosch University. Faculty of Arts and Social Sciences. Dept. of Geography and Environmental Studies.ENGLISH ABSTRACT: Integrative ecosystem service (ES) assessments are crucial to completely assess the benefits of ES and to evaluate synergies and trade-offs among ES. Numerous ES studies have investigated biophysical ES assessments and economic valuation, although social values (SVs) remain under-represented. Integrated modelling of SV maps and biophysically modelled services (BpSs) provide an integrated approach to incorporating SV into ES assessments, through social-ecological hotspot mapping of ES and regression analysis. This study aimed to investigate the relationships between recreational users’ social values and ecosystem services in the Cape Peninsula of the Western Cape province in South Africa. The following four objectives were set to achieve the overall aim of the study: 1) review literature to determine the current discourses and state of research on ES determination; 2) investigate the types and spatial distribution of social values linked to ecosystems in the Cape Peninsula using a participatory mapping exercise; 3) evaluate and quantify the spatial distribution of biophysically modelled services in the Cape Peninsula and 4) investigate the relationships of social values and distribution of biophysical services within the Cape Peninsula. Social values for Ecosystem services (SolVES) was used to model 11 SV for the Cape Peninsula based on questionnaire results. The Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) tool was used to model four BpSs based on geospatial biophysical data. A hotspot analysis on cumulative SV and BpS layers was conducted using the Getis-Ord Gi* statistic, to produce hotspot and coldspot maps of SVs and BpS. A regression analysis using the Ordinary Least Squares (OLS) tool was done to determine the relationships between SVs and BpSs These findings of the study provided areas of potential trade-offs conflict where there is a disconnect between SVs and BpSs, and where SVs and BpSs overlap, but are possibly not complementary. The study also highlighted potential areas (where SVs and BpSs values overlap) for stakeholder engagement in ES conservation. The weak relationship between biological diversity and habitat quality indicated limited respondents’ recognition of habitat quality. These findings can be incorporated within the management plans of conservation decision-makers such as South African National Parks (SANParks) to improve sustainable and inclusive ES conservation and planning, and to ensure SVs are included in ES assessments for the Cape Peninsula.