-
1
-
-
0342909791
-
The numerical distribution and the conservation requirements of swans in northwest Europe
-
Matthews, G.V.T. & Smart, M. (Eds.). IWRB, Slimbridge
-
Atkinson-Willes, G.L. 1981. The numerical distribution and the conservation requirements of swans in northwest Europe. In: Matthews, G.V.T. & Smart, M. (Eds.) Proc. 2nd Int. Swan Symp., Sapporo 1980. IWRB, Slimbridge.
-
(1981)
Proc. 2nd Int. Swan Symp., Sapporo 1980
-
-
Atkinson-Willes, G.L.1
-
2
-
-
0343780692
-
The structure and behaviour of the Whooper Swan population wintering at Caerlaverock, Dumfries and Galloway, Scotland: An introductory study
-
Black, J.M. & Rees, E.C. 1984. The structure and behaviour of the Whooper Swan population wintering at Caerlaverock, Dumfries and Galloway, Scotland: an introductory study. Wildfowl 35:21-36.
-
(1984)
Wildfowl
, vol.35
, pp. 21-36
-
-
Black, J.M.1
Rees, E.C.2
-
3
-
-
0343780690
-
Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: The 1991-92 season
-
Bowler, J.M., Rees, E.C. & Butler, L. 1992. Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1991-92 season. Wildfowl 43:225-231.
-
(1992)
Wildfowl
, vol.43
, pp. 225-231
-
-
Bowler, J.M.1
Rees, E.C.2
Butler, L.3
-
4
-
-
0027133310
-
Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: The 1992-93 season
-
Bowler, J.M., Butler, L. & Rees, E.C. 1993. Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1992-93 season. Wildfowl 44:191-199.
-
(1993)
Wildfowl
, vol.44
, pp. 191-199
-
-
Bowler, J.M.1
Butler, L.2
Rees, E.C.3
-
5
-
-
0028252097
-
Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: The 1993-94 season
-
Bowler, J.M., Butler, L., Liggett, C. & Rees, E.C. 1994. Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1993-94 season. Wildfowl 45:269-275.
-
(1994)
Wildfowl
, vol.45
, pp. 269-275
-
-
Bowler, J.M.1
Butler, L.2
Liggett, C.3
Rees, E.C.4
-
6
-
-
0006957628
-
Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: The 1994-95 season
-
Bowler, J.M., Butler, L., Hesketh, C., Hesketh, R., Liggett, C. & Rees, E.C. 1995. Bewick's and Whooper Swans Cygnus columbianus bewickii and C. cygnus: the 1994-95 season. Wildfowl 46:176-187.
-
(1995)
Wildfowl
, vol.46
, pp. 176-187
-
-
Bowler, J.M.1
Butler, L.2
Hesketh, C.3
Hesketh, R.4
Liggett, C.5
Rees, E.C.6
-
8
-
-
0343780022
-
The Whooper Swan in Great Britain
-
Boyd, H. & Eltringham, S.K. 1962. The Whooper Swan in Great Britain. Bird Study 9: 217-241.
-
(1962)
Bird Study
, vol.9
, pp. 217-241
-
-
Boyd, H.1
Eltringham, S.K.2
-
9
-
-
0342474899
-
Preliminary results from a study of Whooper Swan movements using neck-collars
-
Brazil, M.A. 1983. Preliminary results from a study of Whooper Swan movements using neck-collars. Journal of the College of Dairying 10:79-90.
-
(1983)
Journal of the College of Dairying
, vol.10
, pp. 79-90
-
-
Brazil, M.A.1
-
11
-
-
0343780021
-
-
BTO/WWT/RSPB/JNCC, Slimbridge
-
Cranswick, P.A., Waters, R.J., Evans, J. & Pollitt, M.S. 1995. The Wetland Bird Survey 1993-94: Wildfowl and Wader Counts. BTO/WWT/RSPB/JNCC, Slimbridge.
-
(1995)
The Wetland Bird Survey 1993-94: Wildfowl and Wader Counts
-
-
Cranswick, P.A.1
Waters, R.J.2
Evans, J.3
Pollitt, M.S.4
-
14
-
-
0343344339
-
A census of the Icelandic Whooper Swan population
-
Gardarsson, A. & Skarphedinsson, K.H. 1984. A census of the Icelandic Whooper Swan population. Wildfowl 35:37-47.
-
(1984)
Wildfowl
, vol.35
, pp. 37-47
-
-
Gardarsson, A.1
Skarphedinsson, K.H.2
-
15
-
-
0343780019
-
Veturseta alftar a Islandi
-
Gardarsson, A. & Skarphedinsson, K.H. 1985. Veturseta alftar a Islandi. [The wintering of Whooper Swans Cygnus cygnus in Iceland]. Bliki 4:45-56.
-
(1985)
Bliki
, vol.4
, pp. 45-56
-
-
Gardarsson, A.1
Skarphedinsson, K.H.2
-
16
-
-
0028976075
-
Winter population estimates for selected waterfowl species in Britain
-
Kirby, J.S. 1995. Winter population estimates for selected waterfowl species in Britain. Biol. Cons. 73:189-198.
-
(1995)
Biol. Cons.
, vol.73
, pp. 189-198
-
-
Kirby, J.S.1
-
17
-
-
0027011637
-
International census of Whooper Swans Cygnus cygnus in Britain, Ireland and Iceland: January 1991
-
Kirby, J.S., Rees, E.C., Merne, O.J. & Gardarsson, A. 1992. International census of Whooper Swans Cygnus cygnus in Britain, Ireland and Iceland: January 1991. Wildfowl 43:20-26.
-
(1992)
Wildfowl
, vol.43
, pp. 20-26
-
-
Kirby, J.S.1
Rees, E.C.2
Merne, O.J.3
Gardarsson, A.4
-
18
-
-
0028975993
-
Index numbers for waterbird populations. III. Long-term trends in the abundance of wintering wildfowl in Great Britain, 1966/67-1991/92
-
Kirby, J.S., Salmon, D.G., Atkinson-Willes, G.L. & Cranswick, P.A. 1995. Index numbers for waterbird populations. III. Long-term trends in the abundance of wintering wildfowl in Great Britain, 1966/67-1991/92. J. App. Ecol. 32:536-551.
-
(1995)
J. App. Ecol.
, vol.32
, pp. 536-551
-
-
Kirby, J.S.1
Salmon, D.G.2
Atkinson-Willes, G.L.3
Cranswick, P.A.4
-
20
-
-
0343780018
-
European continental Whooper Swan Cygnus cygnus - Population estimate
-
Laubek, B. 1995a. European continental Whooper Swan Cygnus cygnus - population estimate. Swan Specialist Group Newsletter No.4, December 1995. Pp. 5-6.
-
(1995)
Swan Specialist Group Newsletter No.4, December 1995
, vol.4
, pp. 5-6
-
-
Laubek, B.1
-
21
-
-
0029526343
-
Habitat use by Whooper Swans Cygnus cygnus and Bewick's Swans Cygnus columbianus bewickii wintering in Denmark: Increasing agricultural conflicts
-
Laubek, B. 1995b. Habitat use by Whooper Swans Cygnus cygnus and Bewick's Swans Cygnus columbianus bewickii wintering in Denmark: Increasing agricultural conflicts. Wildfowl 46:8-15.
-
(1995)
Wildfowl
, vol.46
, pp. 8-15
-
-
Laubek, B.1
-
22
-
-
0343344336
-
Trettio ars midvinterinventeringar av sjofaglar utmed Skanes kuster, 1964-1993
-
Nilsson, L. 1994. Trettio ars midvinterinventeringar av sjofaglar utmed Skanes kuster, 1964-1993. (Thirty years of midwinter counts along the coasts of Scania, 1964-1993). Anser 33:245-256.
-
(1994)
Anser
, vol.33
, pp. 245-256
-
-
Nilsson, L.1
-
23
-
-
0004506288
-
Winter movements of Whooper Swans visiting Ireland: Preliminary results
-
McElwaine, J.G., Wells, J.H. & Bowler, J.M. 1995. Winter movements of Whooper Swans visiting Ireland: preliminary results. Irish Birds 5:265-278.
-
(1995)
Irish Birds
, vol.5
, pp. 265-278
-
-
McElwaine, J.G.1
Wells, J.H.2
Bowler, J.M.3
-
24
-
-
0003771523
-
Results of the IWRB International Waterfowl Census 1967-1986
-
IWRB, Slimbridge
-
Monval, J-Y. & Pirot, J-Y. 1989. Results of the IWRB International Waterfowl Census 1967-1986. IWRB Special Publication No. 8. IWRB, Slimbridge.
-
(1989)
IWRB Special Publication No. 8
, vol.8
-
-
Monval, J.-Y.1
Pirot, J.-Y.2
-
25
-
-
85040853022
-
-
Cambridge University Press, Cambridge
-
Owen, M., Atkinson-Willes, G.L. & Salmon, D.G. 1986. Wildfowl in Great Britain, 2nd edition. Cambridge University Press, Cambridge.
-
(1986)
Wildfowl in Great Britain, 2nd Edition
-
-
Owen, M.1
Atkinson-Willes, G.L.2
Salmon, D.G.3
-
26
-
-
0343344337
-
Fifty years of swan research and conservation by the Wildfowl & Wetlands Trust
-
Rees, E.C. & Bowler, J.M. 1996. Fifty years of swan research and conservation by The Wildfowl & Wetlands Trust. Wildfowl 47.
-
(1996)
Wildfowl
, vol.47
-
-
Rees, E.C.1
Bowler, J.M.2
-
27
-
-
0343780015
-
Site selection by swans wintering in Britain and Ireland; the importance of geographical location and habitat
-
In press
-
Rees, E.C., Kirby, J.S. & Gilburn, A. In press. Site selection by swans wintering in Britain and Ireland; the importance of geographical location and habitat. Ibis.
-
Ibis
-
-
Rees, E.C.1
Kirby, J.S.2
Gilburn, A.3
-
29
-
-
0342474895
-
Results of the International Waterfowl Census 1967-1983. Population estimates and trends in selected species of ducks, swans and coot from the January counts in the western Palearctic
-
Ruger, A., Prentice, C. & Owen, M. 1986. Results of the International Waterfowl Census 1967-1983. Population estimates and trends in selected species of ducks, swans and coot from the January counts in the western Palearctic. IWRB Special Publication No. 6.
-
(1986)
IWRB Special Publication No. 6
, vol.6
-
-
Ruger, A.1
Prentice, C.2
Owen, M.3
-
30
-
-
0343344335
-
The January 1986 Whooper Swan census in Britain, Ireland and Iceland
-
Salmon, D.G. & Black, J.M. 1986. The January 1986 Whooper Swan census in Britain, Ireland and Iceland. Wildfowl 37:172-174.
-
(1986)
Wildfowl
, vol.37
, pp. 172-174
-
-
Salmon, D.G.1
Black, J.M.2
-
31
-
-
84974244929
-
A preliminary inventory of wetlands of international importance for waterfowl in western Europe and north-west Africa
-
IWRB, Slimbridge
-
Scott, D.A. 1980. A preliminary inventory of wetlands of international importance for waterfowl in western Europe and north-west Africa. IWRB Special Publication No. 2. IWRB, Slimbridge.
-
(1980)
IWRB Special Publication No. 2
, vol.2
-
-
Scott, D.A.1
-
32
-
-
0004320608
-
-
BTO/WWT/RSPB/JNCC, Slimbridge
-
Waters, R.J., Cranswick, P.A., Evans, J. & Pollitt, M.S. 1996. The Wetland Bird Survey 1994-95: Wildfowl and Wader Counts. BTO/WWT/RSPB/JNCC, Slimbridge.
-
(1996)
The Wetland Bird Survey 1994-95: Wildfowl and Wader Counts
-
-
Waters, R.J.1
Cranswick, P.A.2
Evans, J.3
Pollitt, M.S.4
|