Translator Disclaimer
1 January 2018 Combining Remote Sensing and Field Mapping Methods to Study the Vegetation Dynamics within a Coastal Wetland and Determine the Habitat Effects of a Threatened Bird Species ( Emberiza schoeniclus witherbyi)
Author Affiliations +
Abstract

Carrasco, L.; Vera, P.; Belda, E.J., and Monrós, J.S., 2018. Combining remote sensing and field mapping methods to study the vegetation dynamics within a coastal wetland and determine the habitat effects of a threatened bird species (Emberiza schoeniclus witherbyi).

Coastal wetlands are highly dynamic changing ecosystems because of the effects of meteorology, wildlife interactions and human activities. They are one of the world's most threatened ecosystems, and threats to them drive the most specialist species to unfavorable conservation status and population trends. Therefore, it is important to frequently monitor the coverage changes of the different vegetation types to understand these species' population dynamics. However, frequent and detailed cartography entails costly efforts. Here, satellite images with field mapping were combined to create vegetation classification maps for past years from SPOT-5 images in the Pego-Oliva coastal wetland (Spain) and obtained classification accuracies above 85%. Together with habitat selection models, this information was used to understand the changes in the habitat of a threatened bird species, the Eastern Iberian reed bunting (Emberiza schoeniclus witherbyi), whose population has sharply declined in recent decades in Spain. A statistically significant reduction in reed–rush patches (positively selected habitat) and an increase in homogeneous reed patches (negatively selected habitat) were observed in those areas where the species disappeared as breeders. This study shows the potential of remote sensing and GIS techniques for the a posteriori monitoring of variation in the habitats available for threatened species to set up management and conservation measures.

©Coastal Education and Research Foundation, Inc. 2018
Luis Carrasco, Pablo Vera, Eduardo J. Belda, and Juan S. Monrós "Combining Remote Sensing and Field Mapping Methods to Study the Vegetation Dynamics within a Coastal Wetland and Determine the Habitat Effects of a Threatened Bird Species ( Emberiza schoeniclus witherbyi)," Journal of Coastal Research 34(1), 42-49, (1 January 2018). https://doi.org/10.2112/JCOASTRES-D-16-00194.1
Received: 20 October 2016; Accepted: 7 March 2017; Published: 1 January 2018
JOURNAL ARTICLE
8 PAGES


SHARE
ARTICLE IMPACT
RIGHTS & PERMISSIONS
Get copyright permission
Back to Top