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Vegetation and sand characteristics influencing nesting activity of Caretta caretta on Sekania beach
Authors
N. Karavas Georghiou, K. Arianoutsou, M. Dimopoulos, D.
Publication date
1 January 2005
Publisher
Abstract
Despite its relatively small length (650 m), Sekania beach on Zakynthos island (Ionian sea) is the single most important Caretta caretta L. nesting beach in the Mediterranean Sea. The aim of this work was to tackle the possible relationships of sand and vegetation characteristics with the nesting activity of sea turtle C. caretta. The vegetation structure and distribution along the sandy beach was studied with the use of line transect method. Grouping of plant species was revealed through an ordination method. Plant groups were distinguished and mapped. Sand texture, pH, and organic matter were measured on the transects. Nesting activity was also mapped on the beach and hatching success was recorded. It was concluded that where sand salinity is high enough to prevent vegetation development, wet sand is located at a threshold depth for excavating an egg chamber. It seems that well-sorted sand grains favor nesting activity on the beach. The increase of fine sand - from east to west - is proportional with the reduction of nesting density. The data collected for this study are organized in a GIS database, which could be the basis for the establishment of an integrated monitoring system for Sekania beach. © 2004 Elsevier Ltd. All rights reserved
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Pergamos : Unified Institutional Repository / Digital Library Platform of the National and Kapodistrian University of Athens
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oai:lib.uoa.gr:uoadl:3007330
Last time updated on 10/02/2023
Pergamos : Unified Institutional Repository / Digital Library Platform of the National and Kapodistrian University of Athens
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:lib.uoa.gr:uoadl:3007332
Last time updated on 10/02/2023