Zum Schutz des Waldrapps(Geronticus eremita)

Hirsch, Udo

doi:10.1007/bf01643141

Cited by 2 publications

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“…Known breeding sites of the NBI in Morocco and Algeria (Fellous 2004) that were occupied between 1900 and the 1960s were often located near important roads and in the vicinity of larger settlements where the probability of detection was generally higher. Following a marked decline during the 1970s, an intensive search in different regions of Morocco led to the discovery of a few breeding colonies that were previously unknown (Hirsch 1976, 1978). However, since the 1970s the population of Morocco, and hence urban settlements, has been increasing significantly and agriculture has intensified.…”

Section: Discussionmentioning

confidence: 99%

The Northern Bald Ibis Geronticus eremita in Morocco since 1900: Analysis of ecological requirements

Schenker¹,

Cahenzli

Gutbrod

et al. 2019

Bird Conservation International

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SummaryThe Northern Bald Ibis (NBI) Geronticus eremita, is an ‘Endangered’ bird species of which only very few wild breeding colonies have survived along the Atlantic coast of south-west Morocco. This paper analyses ecological conditions of the 72 breeding sites of the NBI that have been known since 1900 in Morocco. Characterisation of breeding sites is based on physical criteria (elevation above sea level, geomorphology, mean annual precipitation and types of landscape) as well as land use, vegetation cover, infrastructure and types of settlement within three perimeters (0–1 km, > 1–5 km and > 5–10(20) km) using Google Earth satellite images. Statistical analyses of the number of breeding pairs, fledglings and rainfall during different quarters of the year from 1994 to 2016 in the two remaining breeding sites in Souss-Massa National Park and Tamri showed expected patterns as well as unexpected differences between the two localities. Based on our findings and indications in the literature, we suggest general and specific recommendations for potential future translocation projects of the NBI. Based on the analysis of the 28 breeding colonies existing after 1977, two elements emerge as the most important prerequisites: a low level of disturbances at the breeding sites and adequate feeding areas at a reasonable distance of 5–15 km.

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Section: Discussionmentioning

confidence: 99%

The Northern Bald Ibis Geronticus eremita in Morocco since 1900: Analysis of ecological requirements

Schenker¹,

Cahenzli

Gutbrod

et al. 2019

Bird Conservation International

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“…In the twentieth century, two separate populations existed, a largely non-migratory population in North Africa and a migratory population in the Near East (Collar and Stuart 1985, del Hoyo et al 1992). Currently, in West Asia, only a semi-wild population exists near Birecik, south-eastern Turkey (Kumerloeve 1962, Hirsch 1980, Akçakaya 1990, Hatipoglu 2016). The small population of Northern Bald Ibis that was discovered in Syria in 2002 is probably extinct (Serra et al 2004, 2009, Serra 2017).…”

Section: Introductionmentioning

confidence: 99%

Assessment of suitable habitats using satellite imagery: example of the Northern Bald Ibis Geronticus eremita in south-eastern Turkey

Schenker,

Erhardt

2023

Bird Conservation International

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Summary The increase in the semi-wild Northern Bald Ibis Geronticus eremita population in Birecik, south-eastern Turkey motivated the Working Group of the Agreement on the Conservation of Africa-Eurasian Migratory Waterbirds (AEWA) to propose the establishment of a second semi-wild Northern Bald Ibis population in Turkey. This paper presents an assessment approach that identifies potential suitable breeding sites and foraging habitats within a large geographical area of approximately 380 × 60 km (23,000 km2) in south-eastern Turkey, which includes former breeding sites. This approach makes use of open-source and easily available geographical information. The structured approach is based on three key parameters, namely: (1) suitable breeding rocks; (2) suitable foraging habitats: (3) available water-bodies. This led to the identification of three potentially suitable areas around Derik and Yesilli in the Mardin province and around Yarbasi in the Sirnak province. The occurrence and spatial distribution of the three key parameters were mostly identified using Google Earth Pro 2021 within a radius of 10–20 km around the three sites. This procedure allowed an initial, cost-effective identification of potentially suitable areas, providing the basis for subsequent geographically focused comprehensive feasibility studies and on-the-ground risk assessment. However, geopolitical and pragmatic constraints may further affect and restrict a final selection of sites.

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Zum Schutz des Waldrapps(Geronticus eremita)

Cited by 2 publications

References 0 publications

The Northern Bald Ibis Geronticus eremita in Morocco since 1900: Analysis of ecological requirements

The Northern Bald Ibis Geronticus eremita in Morocco since 1900: Analysis of ecological requirements

Assessment of suitable habitats using satellite imagery: example of the Northern Bald Ibis Geronticus eremita in south-eastern Turkey

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