Post-graduate theses
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Identifier |
000463262 |
Title |
Τα χειρόπτερα των ελληνικών νησιών: παρόντα είδη, κατανομές και υπεράκτιες μετακινήσεις |
Alternative Title |
Chiroptera of the Greek islands: present species, distributions and offshore movements |
Author
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Εκκλησίαρχος, Ιωάννης Κ.
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Thesis advisor
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Πουλακάκης, Νικόλαος
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Reviewer
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Λύκα, Κωνσταντίνα
Λυμπεράκης, Πέτρος
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Abstract |
Out of the 36 chiroptera species found in Greece, 30 have been found on an island. Among the
findings great heterogeneity can be found in both the sampling effort and the number of species
per island. This study aims to fill in the knowledge gaps regarding the Sporades island cluster by
means of sufficient field work, as well as to distinguish patterns behind species richness on
islands using possible predictor variables. In the analysis, chiroptera species richness data from
fieldwork carried out in this study was used, as well as pre-existing data extracted from the
Natural History Museum of Crete Database on Chiroptera of Greece. The predictor variables that
were used fit into 3 categories: island area, landscape variety and island isolation. In order to find
the parameters that best explain bat species richness in the islands studied, linear regression
models were used. Analysis and evaluation of the models demonstrated tree cover and the
distance between the islands and their nearest coast (mainland or island) to be the most
important predictor variables. The results of this study highlight the important role of landscape
composition and isolation in the distribution of bat species on islands, prompting new studies to
take advantage of more factors, other than that of the island’s area. At the same time, the
importance of forest habitats is highlighted, encouraging their management and protection,
especially in the insular systems of the Mediterranean basin where the risk of their degradation
(e.g. due to wildfire) is high.
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Language |
Greek |
Subject |
Island biogeography |
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Species richness |
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Sporades |
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Νησιά |
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Νησιώτικη βιογεωγραφία |
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Πλούτος ειδών |
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Σποράδες |
Issue date |
2024-03-29 |
Collection
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School/Department--School of Sciences and Engineering--Department of Biology--Post-graduate theses
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Type of Work--Post-graduate theses
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Permanent Link |
https://elocus.lib.uoc.gr//dlib/b/5/1/metadata-dlib-1710430188-608534-17869.tkl
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Views |
32 |
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