Dead Sea level decline pushed a sensitive ecosystem out of equilibrium, causing the relocation of a colonial bird breeding site

Ron Haran, David Troupin, Ido Izhaki

פרסום מחקרי: פרסום בכתב עתמאמרביקורת עמיתים

תקציר

Capsule: Dead Sea Sparrows Passer moabiticus transferred their historical breeding colony location, following geo-ecological and hydrological changes, to a new, less arid zone within a nature reserve. Aims: To find biotic and abiotic factors affecting the choice of nest sites by Dead Sea Sparrows, in order to locate potential breeding areas and plan in advance for their protection. Methods: Mapping old and new nest sites of Dead Sea Sparrows within Einot Tzukim nature reserve, Dead Sea Valley, and using anthropogenic and geo-ecological GIS layers, we created a map of the potential preferred breeding colony area. Results: We found the biotic and abiotic factors affecting nest site preference of Dead Sea Sparrows, which included areas far from human activity, areas close to historic springs, and areas affected by a major fire. New areas in the reserve exposed by the retreating Dead Sea were inhabited by the birds, which gradually transferred their breeding centre to a less arid zone within the reserve. Conclusion: When managing colonial breeding sites, it is crucial to understand the role of both natural and anthropogenic influences in order to prioritize sites for conservation and management. Producing a preference map, based on such data, can help managers locate potential breeding areas and plan in advance for their protection.

שפה מקוריתאנגלית אמריקאית
עמודים (מ-עד)1-12
מספר עמודים12
כתב עתBird Study
כרך70
מספר גיליון1-2
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - 2023

ASJC Scopus subject areas

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  • ???subjectarea.asjc.2300.2309???

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