Monitoring loggerhead sea turtle (caretta caretta) nests in turkey using gis

Derya Maktav*, Filiz Sunar, Denizhan Yalin, Ersoy Aslan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Both the loggerhead sea turtle (Caretta caretta) and the green turtle (Chelonia mydas) live, feed, and nest in the Mediterranean, mostly on the beaches of Turkey and Greece. The greatest threat to the survival of Caretta caretta has been found to be on the sandy beaches where their lives begin. In this study, the digital terrain model (DTM) of the Iztuzu Beach in Turkey where the Caretta caretta sea turtles lay their eggs was prepared using a global positioning system (GPS) and a geographic information system (GIS). A flexible coastal geographic information system was prepared integrating the DTM with digitally processed satellite images and ground truth of the nesting area and its surroundings. Researchers, decision makers, other end users, or sea turtle experts can find and query any environmental information having a possible impact on the nesting area using a computer-based GIS database. A multidate monitoring of the nesting area allows users to extract and compare much information about the location and condition of the nests and will help researchers develop better strategies for protecting sea turtles.

Original languageEnglish
Pages (from-to)123-132
Number of pages10
JournalCoastal Management
Volume28
Issue number2
DOIs
Publication statusPublished - 1 Apr 2000

Funding

Geldiay, R. 1982. Investigations on the populations and the protective measures of marine turtles, Caretta caretta L. and Chelonia mydas L. from the Aegean and Mediterranean coasts of Turkey (in Turkish), Scientific and Technical Research Council, Project No. VHAG-431. Ankara, Turkey. Grateful acknowledgment is made to the European Space Agency (ESA), the Istanbul Technical University Research Fund, and SPOT Image for the support of the International Mediterranean Project (IMP). Thanks are expressed to the FORD, World Heritage, and Council of Europe for deeming the IMP worthy of the Henry Ford European Conservation Awards 1998 National Award.

FundersFunder number
Aegean and Mediterranean coasts of Turkey
International Mediterranean Project
Istanbul Technical University Research Fund
SPOT
European Space Agency
Consejo Nacional de Investigaciones Científicas y TécnicasVHAG-431

    Keywords

    • Coastal geographic information system
    • Global positioning system
    • Satellite imagery
    • Sea turtle

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