. Bulletin of the British Ornithologists' Club. . The principle features of the northern-central and northern Algerian Sahara, in relation to the Hauts Plateaux and the Atlas ranges. Sites of wintering Stonechats, Saxtcola torquata are named in bold captials. The unshaded area to the north of the Atlas Mountains is the fertile coastal plain and that to the south of the Hauts Plateaux is stony {hammadd) desert. Un- named circles represent wintering localities which are discussed in the text in relation to the nearest named town. 10 km. in length. Ain Taiba is a simple water-point 10 km. or more
. Bulletin of the British Ornithologists' Club. . The principle features of the northern-central and northern Algerian Sahara, in relation to the Hauts Plateaux and the Atlas ranges. Sites of wintering Stonechats, Saxtcola torquata are named in bold captials. The unshaded area to the north of the Atlas Mountains is the fertile coastal plain and that to the south of the Hauts Plateaux is stony {hammadd) desert. Un- named circles represent wintering localities which are discussed in the text in relation to the nearest named town. 10 km. in length. Ain Taiba is a simple water-point 10 km. or more within the dunes of the Grand Erg Oriental. The Hauts Plateaux offer neglibible hospitality to wintering stonechats except at well watered places like Berguent at the northern edge, and such southerly pockets of nomad and permanent cultivation as are represented at Aflou, Messaad and Biskra which enjoy locally higher rainfall due to the proximity of mountains. Jenane Krater lies in a narrow zone which is notable for its scattered daias, shallow, moist depressions containing Pistacia atlantica to a height of 10 m., in association with Zi^iphus lotus and a low ground cover of annual plants. In addition to abundant food, all the above sites provide the physical and topographical requirements of a stonechat's winter territory as defined by Johnson (1971). The frequent occurrence of pairs, holding well defined 106. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Ornithologists' Club. London : British Ornithologists' Club
Size: 1649px × 1514px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbritishornithologistsclub, bookcentury1900, bookcollec
