The spring migration of Grey Plover Pluvialis squatarola in Sweden

Q4 Agricultural and Biological Sciences
S. Blomqvist, Martin Green, Å. Lindström
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引用次数: 2

Abstract

In 1976—1995, 74,650 Grey Plovers Pluvialis squatarola were recorded on spring passage, 87% in the southern third of Sweden, and 59% while in migratory flight. Few were observed before May. The passage peaked 24 May—2 June (83%). About one fourth of all birds were observed on a few occasions, when grounded by inclement weather, showing that only a tiny fraction stops over regularly. In northern Sweden, passage peaked earlier (18 May) than in the south (29 May), and these early birds were presumably destined for breeding or staging in the White Sea region. The peak dates in southern Sweden correlate well with arrival time in Siberia, indicating a non-stop flight to these breeding areas. Flocks counted up to several hundred birds in the south but at most 34 birds in the north. Migration patterns along the East Atlantic Flyway were similar with those of the East African/ West Asian and Mediterranian/Black Sea flyways. The spring passage of the Grey Plover conforms to the migration system of other tundra waders passing up through the western Palaearctic.
瑞典灰鸻的春季迁徙
1976-1995年,在春季迁徙时共记录到灰鸻74,650只,其中87%在瑞典南部三分之一地区,59%在迁徙飞行时。在5月之前很少观察到。5月24日至6月2日,支持率达到顶峰(83%)。大约四分之一的鸟类在少数情况下被观察到,当恶劣天气停飞时,表明只有一小部分定期停留。在瑞典北部,迁徙高峰(5月18日)比南部(5月29日)更早,这些早起的鸟可能注定要在白海地区繁殖或繁殖。瑞典南部的高峰日期与抵达西伯利亚的时间密切相关,表明有直达这些繁殖地的航班。南部的鸟群多达几百只,而北部最多只有34只。东大西洋飞行路线的迁徙模式与东非/西亚和地中海/黑海飞行路线相似。灰鸻的春季迁徙路线与其他穿越古北极西部的苔原涉禽的迁徙路线一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Ornis Svecica
Ornis Svecica Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
0.70
自引率
0.00%
发文量
5
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