Autumn Passage of Waders ( Charadrii ) in the Middle Vistula Valley (Kaliszany, Central Poland)

Autumn Passage of Waders ( Charadrii ) in the Middle Vistula Valley (Kaliszany, Central Poland) The phenology and dynamics of wader migration were studied at a stopover area in the middle Vistula Valley (Kaliszany ringing station, 51°05'N, 21°48'E, central Poland). The study was conducted...

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Bibliographic Details
Published in:RING
Main Authors: Grzywaczewski, Grzegorz, Wiącek, Jarosław, Polak, Marcin
Format: Article in Journal/Newspaper
Language:English
Published: Walter de Gruyter GmbH 2009
Subjects:
Actitis hypoleucos
Calidris alpina
Common Sandpiper
Dunlin
Numenius arquata
Philomachus pugnax
Vanellus vanellus
Ruff
Online Access:http://dx.doi.org/10.2478/v10050-008-0048-4
http://content.sciendo.com/view/journals/ring/31/1/article-p53.xml
https://www.sciendo.com/pdf/10.2478/v10050-008-0048-4
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Summary:Autumn Passage of Waders ( Charadrii ) in the Middle Vistula Valley (Kaliszany, Central Poland) The phenology and dynamics of wader migration were studied at a stopover area in the middle Vistula Valley (Kaliszany ringing station, 51°05'N, 21°48'E, central Poland). The study was conducted during autumn passage seasons of 1993-1996 and 1999-2001. At this time 364 counts were done from mid-July to the end of October. Altogether 23 030 waders of 27 species were recorded within the study period. The most numerous species observed were: the Northern Lapwing ( Vanellus vanellus ) — 49% of all birds, Common Sandpiper ( Actitis hypoleucos ) — 16% and Greenshank ( Tringa nebularia ) — 9%. Species constituting ca 2-4% of all noted waders each were: the Dunlin ( Calidris alpina ), Spotted Redshank ( T. erythropus ), Wood Sandpiper ( T. glareola ), Curlew ( Numenius arquata ), Ruff ( Philomachus pugnax ) and Green Sandpiper ( T. ochropus ). The proportion of the remaining species did not exceed 2%. The pattern of autumn migration dynamics is presented for the dominant species.

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