Wader Study Group Bulletin, Number 64, Supplement (1992)

Wader Study Group Bulletin


Foreword. 7-8.
W.J.A. Dick
Introduction. 9-13.
N.C. Davidson & T. Piersma

Origins and distributions of subspecies

An analysis of the geographic variability in Knots Calidris canutus based on museum skins. 17-23.
P.S. Tomkovich
Subspecies of the Red Knot Calidris canutus in the extreme north-western Canadian arctic islands. 24-25.
W.E. Godfrey
Element profiles of feathers identify Knot populations, but the mystery of arsenic emerges. 26-28.
A.A. Goede
Molecular genetics of Calidris, with special reference to Knots. 29-35.
A.J. Baker

Migration systems reviews

The migration system of European-wintering Knots Calidris canutus islandica. 39-51.
N.C. Davidson & J.R. Wilson
The migration system of Afro-Siberian Knots Calidris canutus canutus. 52-63.
T. Piersma, P. Prokosch & D. Bredin
Distribution, abundance, migration and moult of the Red Knot Calidris canutus rogersi. 64-70.
M. Barter
The migration system of the Red Knot Calidris canutus rufa in the New World. 71-84.
R.I.G. Morrison & B.A. Harrington

Islandica Knots in spring and summer

Observations on the departure of Knots from the Dutch Wadden Sea in spring. 87-90.
C. Swennen
Routes of spring migrant Siberian and Nearctic Knots Calidris canutus diverge over Sweden. 91-94.
S. Blomqvist & Å. Lindström
Early records of Knot migration in Iceland. 95-100.
R.I.G. Morrison
Observations of Knot migration in Iceland 1970 - 1972. 101-109.
R.I.G. Morrison & J.R. Wilson
Spring staging of Nearctic Knot in Iceland. 110-113.
G.A. Gudmundsson & T. Alerstam
The spring migration of the Knot through south-east Iceland. 114-117.
R. Tiedemann
The number and distribution of Knots in Iceland in May 1990: preliminary results of an aerial survey. 118-120.
G.A. Gudmundsson & A. Gardarsson
Numbers and distribution of Knot Calidris canutus islandica during spring migration in north Norway 1983 - 1989. 121-125.
K.-B. Strann
The use of Balsfjord, north Norway, as a staging post by Knot during spring migration: fat deposition, muscle hypertrophy and flight strategies. 126-128.
P.R. Evans
Staging studies of Knots Calidris canutus islandica in Iceland in the early 1970s: body mass patterns. 129-136.
J.R. Wilson & R.I.G. Morrison
Time-budgets of pre-breeding Knots on Ellesmere Island, Canada. 137-143.
N.C. Davidson & R.I.G. Morrison
Arctic summer conditions and British Knot numbers: an exploratory analysis. 144-152.
H. Boyd

Autumn and winter in Europe and Africa

The occurrence of the Knot Calidris canutus in Denmark, with special reference to the Danish Wadden Sea. 155-160.
J. Frikke & K. Laursen
Knots on the Polish Baltic coast. 161-166.
J. Gromadzka
Knots' autumn migration in the western part of the Gulf of Gdansk, Poland: preliminary results. 167-171.
W. Meissner
Visible migration of Knots at Sheringham, Norfolk: some preliminary results. 172-174.
K. Shepherd
Knots in the Delta area, southwest Netherlands. 175-181.
H. Schekkerman, P.L. Meininger & R.H.D. Lambeck
Knots in Southern Africa. 182-183.
L.G. Underhill & R.W. Summers


The migrations and annual cycles of five subspecies of Knots in perspective. 187-197.
T. Piersma & N.C. Davidson
The migration of Knots: conservation needs and implications. 198-209.
N.C. Davidson & T. Piersma

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