Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Accueil du site → Master → Afrique du Sud → 2020 → AVIAN IMPACT OF SOUTH AFRICAS FIRST CONCENTRATING SOLAR POWER TOWER FACILITY IN THE NORTHERN CAPE

Stellenbosch University (2020)

AVIAN IMPACT OF SOUTH AFRICAS FIRST CONCENTRATING SOLAR POWER TOWER FACILITY IN THE NORTHERN CAPE

Van Heerden, Hendrik Petrus

Titre : AVIAN IMPACT OF SOUTH AFRICAS FIRST CONCENTRATING SOLAR POWER TOWER FACILITY IN THE NORTHERN CAPE

Auteur : Van Heerden, Hendrik Petrus

Université de soutenance : Stellenbosch University

Grade : Master Degree (Conservation Ecology and Entomology) 2020

Résumé partiel
Through its commitment to a greener economy that is less dependent on nonrenewable energy resources, South Africa’s Integrated Resource Plan aims to diversify the energy system by including energy resource alternatives such as concentrating solar power (CSP). All CSP facilities harvest solar thermal energy by utilising reflectors that focus energy to a receiver where the energy is concentrated and eventually converted into electricity via a conventional thermoelectric power cycle. Four main types of CSP technologies exist in today’s global market of which central receivers, also known as CSP towers, are one of the dominant types. Recent studies suggest that the potential impacts of utility-scale CSP tower facilities on avian populations may be substantial given that these impacts are driven by factors such as project location, footprint size and technology. It is anticipated that these factors mainly impact avifauna by altering the demography of avian communities and by exposing birds to singeing and collision risk. However, given the novelty of tower CSP and the global shortfall of publicised data on avian impacts, conclusive investigations into the avian impact of these facilities have yet to be established. Further rigorous investigation of these factors is therefore encouraged. This study was the first to investigate the impact of a solar power tower facility in South Africa, seeing that it was conducted on the only operational CSP tower facility in southern Africa. The study aimed to evaluate the impact of the Khi Solar One CSP tower facility on avifauna of the area with special attention to biodiversity dynamics and avian mortalities and injuries. Industry best practice guidelines and peer-reviewed literature were used as the point of departure from which the fieldwork methodology was developed. Data on avian mortality and injury were gathered over four seasons by conducting weekly monitoring and identifying patterns of avian use by means of vantage point surveys and parallel-line transects that were conducted inside and outside the facility footprint. Data collected during the field surveys were analysed to determine a suitable risk analysis model for this kind of development and to determine whether and to what extent the development had caused a change in avian behaviour.

Présentation

Version intégrale (4,9 Mb)

Page publiée le 19 juin 2022