Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/23056
DC FieldValueLanguage
dc.contributor.authorHadjikyriakou, Thomas G.-
dc.contributor.authorKassinis, Nikolaos-
dc.contributor.authorSkarlatos, Dimitrios-
dc.contributor.authorCharilaou, Pantelis-
dc.contributor.authorKirschel, Alexander N.G.-
dc.date.accessioned2021-09-16T06:55:14Z-
dc.date.available2021-09-16T06:55:14Z-
dc.date.issued2020-11-02-
dc.identifier.citationOrnithological Applications, 2020, vol. 122, no. 4, pp. 1–13en_US
dc.identifier.issn27324621-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/23056-
dc.description.abstractThe global breeding population of Eleonora's Falcon (Falco eleonorae) is distributed from the Canary Islands in the west, across the Mediterranean Sea, to Cyprus in the east. The remoteness of nesting colonies, which are predominantly located on sea cliffs and islets, renders breeding success estimation a challenging task, requiring a composite approach to assess each of the breeding stages. Early estimates of the breeding success of Eleonora's Falcon suggested that the Akrotiri colony in Cyprus had the lowest breeding success among all the colonies throughout the species' breeding range, at a level seemingly unsustainable, suggesting the colony might have been in danger of gradual extinction. Here we use a diversity of survey methods including boat, ground, and aerial surveys, with the incorporation of photography and photogrammetry, to reassess the breeding success and the effect of nest characteristics on the Eleonora's Falcon breeding population in Cyprus. During a 6-yr study, we found that Cyprus hosts ∼138 ± 8 breeding pairs and that breeding success equals 1.54 ± 0.85 fledglings per breeding pair, and thus is considerably higher than previous estimates. In addition, by analyzing temporal variation in breeding and nest characteristics, we found that early breeding and reuse of nests positively influence breeding success, but physical nest characteristics have a limited effect on colony productivity. The range of survey methods employed, as well as the array of photography techniques utilized, enhanced the efficiency and accuracy of this study, allowing us to overcome the challenge of inaccessibility of nesting cliffs. LAY SUMMARY In this study we reassessed the breeding success and population status of Eleonora's Falcon in Cyprus, a species nesting on inaccessible sea cliffs. Low breeding success estimates from previous surveys suggested that the breeding population was unsustainable. We used ground, aerial (drone), and boat surveys, combined with photogrammetry for nesting cliff 3-D modeling, to assess breeding success and nest site suitability. Our results show that breeding success of Eleonora's Falcon is higher than previous estimates and that the population is stable. The methods employed enhanced the efficiency and accuracy of our surveys, allowing us to overcome the challenge of inaccessibility of nesting cliffs.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofOrnithological Applicationsen_US
dc.rights© American Ornithological Societyen_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectDigital surface modelen_US
dc.subjectDroneen_US
dc.subjectFalco eleonoraeen_US
dc.subjectPhotogrammetryen_US
dc.subjectPhotographyen_US
dc.subjectSea cliffen_US
dc.subjectRaptoren_US
dc.titleBreeding success of Eleonora's Falcon in Cyprus revisited using survey techniques for cliff-nesting speciesen_US
dc.typeArticleen_US
dc.collaborationUniversity of Cyprusen_US
dc.collaborationAkrotiri Environmental Education Centreen_US
dc.collaborationMinistry of Interioren_US
dc.collaborationCyprus University of Technologyen_US
dc.subject.categoryBiological Sciencesen_US
dc.journalsSubscriptionen_US
dc.countryCyprusen_US
dc.subject.fieldNatural Sciencesen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.1093/condor/duaa045en_US
dc.identifier.scopus2-s2.0-85100084788-
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/85100084788-
dc.relation.issue4en_US
dc.relation.volume122en_US
cut.common.academicyear2020-2021en_US
dc.identifier.spage1en_US
dc.identifier.epage13en_US
item.fulltextNo Fulltext-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.grantfulltextnone-
item.openairetypearticle-
item.cerifentitytypePublications-
crisitem.author.deptDepartment of Civil Engineering and Geomatics-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0002-2732-4780-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.journal.journalissn2732-4621-
crisitem.journal.publisherOxford University Press-
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