小白鹭garzetta在Ghardaïa(阿尔及利亚撒哈拉沙漠)首次成功筑巢

Q4 Environmental Science Zoology and Ecology Pub Date : 2022-01-01 DOI:10.35513/21658005.2022.1.8
Abdelwahab Chedad, A. Bouzid, B. Samraoui
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引用次数: 3

摘要

我们报道了小白鹭的第一次成功繁殖,Egretta garzetta,在撒哈拉沙漠,阿尔及利亚。我们在Kef Doukhane进行了一项关于该物种筑巢的研究,Kef Doukhane是北撒哈拉的一个人工湿地,已经成为水鸟越来越重要的筑巢地。在2021年4月至10月期间监测了个体数量,10月记录的个体数量最多,为470只。然而,在繁殖期间,这个群体减少到大约50只鸟,建造了7个鸟巢。7月初开始下蛋,至少产了34枚蛋。每窝5到6个蛋,28只雏鸟羽化,繁殖成功率为82.4%。
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First successful nesting of the Little Egret Egretta garzetta in Ghardaïa (Algerian Sahara)
We report on the first successful breeding of the Little Egret, Egretta garzetta, in the Sahara, Algeria. We conducted a study on the nesting of this species at Kef Doukhane, an artificial wetland in Northern Sahara that has become an increasingly important nesting site for waterbirds. The number of individuals was monitored between April and October 2021 and the greatest abundance with 470 individuals was recorded in October. However, during breeding, the colony decreased to about 50 birds that built seven nests. Egg-laying started at the beginning of July and at least 34 eggs were laid. Clutches varied between 5 and 6 eggs, and 28 nestlings fledged, yielding a breeding success of 82.4%.
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来源期刊
Zoology and Ecology
Zoology and Ecology Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
1.00
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0.00%
发文量
1
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