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首页> 外文期刊>Wader study: the international journal of shorebird science >Use of the Swale Estuary, SE England, by Grey Plovers Pluvialis squatarola
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Use of the Swale Estuary, SE England, by Grey Plovers Pluvialis squatarola

机译：使用熔化的河口,SE英格兰,灰色的珩Pluvialis squatarola

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摘要

Using counts and data on the primary moult and body mass of Grey Plover Pluvialis squatarola trapped on the Swale Estuary, SE England, over three decades, the ways in which nine distinct groups of Grey Plovers make use of the estuary between July and January are described. These comprise: (1) adults that stopover during southward migration, (2) adults that stop to carry out their flight-feather moult and remain for the winter, (3) adults that have started primary moult elsewhere and arrive in suspended moult, (4) adults that start primary moult on the Swale, suspend and move to complete elsewhere, (5) adults that carry out their whole primary moult on the Swale and then move to winter elsewhere, (6) juveniles that stopover during southward migration, (7) juveniles that stay for the winter, (8) first-summer birds that carry out their first large-feather moult and remain on the Swale for the winter, and (9) first-summer birds that carry out their first large-feather moult and then depart to winter elsewhere. The arrivals and departures of these distinct groups mean that many more Grey Plovers use the Swale than are indicated by the monthly counts, emphasising the conservation importance of the estuary for the species. The Swale Grey Plover population is of national importance in the United Kingdom and has sometimes exceeded the threshold of international importance in the East Atlantic Flyway.
机译：使用计数和数据在主蜕皮身体质量的灰色珩Pluvialis squatarola被困在沼泽地河口,SE英格兰三十年,九种不同的方式灰色珩利用河口组在7月和1月。包括:(1)成人期间中途停留向南迁移,(2)成年人,停下来开展他们的飞羽羽,依然存在冬天,(3)成人已经开始其他地区的主要蜕皮,抵达暂停蜕皮,(4)成年人开始主要蜕皮沼泽地,挂起和移动来完成其他地方,(5)成年人开展他们的整个主蜕皮的沼泽地,然后搬到冬天在其他地方,(6)青少年期间中途停留向南迁移,(7)青少年停留冬天,(8)的第一个夏天鸟类他们的第一个大型羽毛蜕皮和继续沼泽地过冬,(9)的第一个夏天鸟类执行他们的第一个大型羽毛蜕皮然后离开冬天。和这些不同的团体意味着离职更多的灰色珩使用熔化比的由每月统计,表示强调保护河口的重要性物种。国家在英国和重要性有时超过了阈值的国际在东大西洋迁徙路线的重要性。

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