-
1
-
-
33746167818
-
La comunidad ornitica de la Laguna de Santiz (Valdepolo, Leon)
-
ALEGRE J. & HERNâNDEZ, A., 1989. La comunidad ornitica de la Laguna de Santiz (Valdepolo, Leon). Paramètres ecolögicos. Oxyura, 5: 61-82.
-
(1989)
Paramètres Ecolögicos. Oxyura
, vol.5
, pp. 61-82
-
-
Alegre, J.1
Hernândez, A.2
-
2
-
-
3042737517
-
Description de la comunidad de patos del Parque Nacional de Donana
-
AMAT, J. A. 1981. Description de la comunidad de patos del Parque Nacional de Donana. Donana Acta Vertebrata, 8: 125-158.
-
(1981)
Donana Acta Vertebrata
, vol.8
, pp. 125-158
-
-
Amat, J.A.1
-
5
-
-
0006407117
-
Seasonality and interspecific competition in waterfowl guilds -a comment
-
BETHKE, R. W. 1991. Seasonality and interspecific competition in waterfowl guilds -a comment-. Ecology, 72: 1155-1158.
-
(1991)
Ecology
, vol.72
, pp. 1155-1158
-
-
Bethke, R.W.1
-
6
-
-
0028257549
-
Great Cormorant settlement of a new wintering area in Spain
-
BLANCO, G., VELASCO, T., GRUALBO, J. & OLLERO, J. 1994. Great Cormorant settlement of a new wintering area in Spain. Colonial Waterbirds, 17: 173-180.
-
(1994)
Colonial Waterbirds
, vol.17
, pp. 173-180
-
-
Blanco, G.1
Velasco, T.2
Grualbo, J.3
Ollero, J.4
-
7
-
-
0029137291
-
Habitat-related factors affecting the distribution of nonbreeding American Avocets in Coastal South Carolina
-
BOETTCHER, R., HAIG. S. & BRIDGES, W. C. 1995. Habitat-related factors affecting the distribution of nonbreeding American Avocets in Coastal South Carolina. The Condor, 97: 68-81.
-
(1995)
The Condor
, vol.97
, pp. 68-81
-
-
Boettcher, R.1
Haig, S.2
Bridges, W.C.3
-
8
-
-
0001198048
-
Abundance and distribution of migrant shorebirds in Delaware Bay
-
CLARK, K. E., MILES, L. J. & BURGER, J. 1993. Abundance and distribution of migrant shorebirds in Delaware Bay. The Condor, 95: 694-705.
-
(1993)
The Condor
, vol.95
, pp. 694-705
-
-
Clark, K.E.1
Miles, L.J.2
Burger, J.3
-
12
-
-
0012745467
-
Abundance and productivity of ducks on boreal lakes in northern Sweden
-
DANELL, K. & SJöBERG, K. 1979. Abundance and productivity of ducks on boreal lakes in northern Sweden. Annales Zoologie! Fennici, 16: 123128.
-
(1979)
Annales Zoologie! Fennici
, vol.16
, pp. 123128
-
-
Danell, K.1
Sjöberg, K.2
-
13
-
-
33746111460
-
Studies on ecological adaptations of birds of the Vistula river
-
DOBROWOLSKI, A. 1964. Studies on ecological adaptations of birds of the Vistula river. Ekologia Polska, 12: 615-651.
-
(1964)
Ekologia Polska
, vol.12
, pp. 615-651
-
-
Dobrowolski, A.1
-
14
-
-
0007701818
-
Aspects of mallard breeding ecology on Canadian parkland and Grassland
-
DZUBIN, A. & GOLLOP, J. B. 1972. Aspects of mallard breeding ecology on Canadian parkland and Grassland. Fish & Widlife Service Research Report, 2:113-152.
-
(1972)
Fish
, vol.2
, pp. 113-152
-
-
Dzubin, A.1
Gollop, J.B.2
Report, W.S.R.3
-
15
-
-
33746171304
-
Avifauna 197577 no Passeriforme de las Salinas de Villafâfila (Zamora): Reproduction, prédation y ecologîa
-
ENA, V. & ALBERTO, L. J. 1978. Avifauna 197577 no Passeriforme de las Salinas de Villafâfila (Zamora): reproduction, prédation y ecologîa. Ardeola, 24: 71-93.
-
(1978)
Ardeola
, vol.24
, pp. 71-93
-
-
Ena, V.1
Alberto, L.J.2
-
16
-
-
5844421968
-
The sex-ratio and the production of the Mallard Anas platyrhynchos L
-
EYGENRAM, J. A. 1957. The sex-ratio and the production of the Mallard Anas platyrhynchos L. Ardeola, 45: 117-143.
-
(1957)
Ardeola
, vol.45
, pp. 117-143
-
-
Eygenram, J.A.1
-
17
-
-
0342887076
-
Fenologfa de las aves acuäticas en el Estuario de Gernika
-
GALARZA, A. 1984. Fenologfa de las aves acuäticas en el Estuario de Gernika. Ardeola, 31: 17-25.
-
(1984)
Ardeola
, vol.31
, pp. 17-25
-
-
Galarza, A.1
-
19
-
-
0009770438
-
Dinâmica estacional de la comunidad de limîcolas en el rîo Bernesga (Meseta Norte, Espana)
-
HERNâNDEZ, A. & VELASCO, T. 1990. Dinâmica estacional de la comunidad de limîcolas en el rîo Bernesga (Meseta Norte, Espana). Ecologfa, 4: 229-233.
-
(1990)
Ecologfa
, vol.4
, pp. 229-233
-
-
Hernândez, A.1
Velasco, T.2
-
20
-
-
0022248749
-
Longterm wetland-waterfowl trends in Saskatchewan grassland
-
LEITCH, W. G. & KAMINSKI, R. M. 1985. Longterm wetland-waterfowl trends in Saskatchewan grassland. Journal of Wildlife Management, 49: 212-222.
-
(1985)
Journal of Wildlife Management
, vol.49
, pp. 212-222
-
-
Leitch, W.G.1
Kaminski, R.M.2
-
21
-
-
33746179124
-
Ritmo de actividad diurna de Anas platyrhynchos en el no Guadalquivir (Cordoba)
-
LEIVA, A. 1991. Ritmo de actividad diurna de Anas platyrhynchos en el no Guadalquivir (Cordoba). Biitlletf del Pare Natural del Delta de l'Ehre, 6: 34-37.
-
(1991)
Biitlletf Del Pare Natural Del Delta De L'Ehre
, vol.6
, pp. 34-37
-
-
Leiva, A.1
-
22
-
-
33746134023
-
Invernada de no paseriformes en el rîo Guadalquivir a su paso por la ciudad de Cordoba
-
_, ARAGONéS, J. & CARRASCO, M. 1989. Invernada de no paseriformes en el rîo Guadalquivir a su paso por la ciudad de Cordoba. Butlletfdel Pare Natural del Delta de l'Ebre, 4: 33-36.
-
(1989)
Butlletfdel Pare Natural Del Delta De L'Ebre
, vol.4
, pp. 33-36
-
-
Aragonés, J.1
Carrasco, M.2
-
23
-
-
0037891251
-
Havaintoja sorsalintujen lisääntymistuloksesta Keski-Hämeessä
-
LINKOLA, P. 1962. Havaintoja sorsalintujen lisääntymistuloksesta Keski-Hämeessä. Siiomen Riista, 15: 157-174.
-
(1962)
Siiomen Riista
, vol.15
, pp. 157-174
-
-
Linkola, P.1
-
24
-
-
0000176609
-
Aspects of the distribution of riparian birds on Waterways in Britain and Ireland
-
MARCHANT, J. & HYDE, P. A. 1980. Aspects of the distribution of riparian birds on Waterways in Britain and Ireland. Bird Study, 27: 183-202.
-
(1980)
Bird Study
, vol.27
, pp. 183-202
-
-
Marchant, J.1
Hyde, P.A.2
-
25
-
-
0027444375
-
Variation in the abundance of Red-breasted Mergansers Mergus serrator on a Scottish river in relation to season, year, river hydrography, salmon density and spring culling
-
MARQUISS, M. & DUNCAN, K. 1993. Variation in the abundance of Red-breasted Mergansers Mergus serrator on a Scottish river in relation to season, year, river hydrography, salmon density and spring culling. Ibis, 135: 33-41.
-
(1993)
Ibis
, vol.135
, pp. 33-41
-
-
Marquiss, M.1
Duncan, K.2
-
26
-
-
0028011239
-
Habitat use by mallards and american black ducks breeding in Central Ontario
-
MERENDINO, M. T. & ANKEY, C. D. 1994. Habitat use by mallards and american black ducks breeding in Central Ontario. The Condor, 96: 411421.
-
(1994)
The Condor
, vol.96
, pp. 411421
-
-
Merendino, M.T.1
Ankey, C.D.2
-
27
-
-
33746155278
-
El nuevo cauce del Guadaira como espacio de interés para las aves acuâticas
-
MOLINA, F., GARC(A, A. & RoDRfGUEZ, M. 1987. El nuevo cauce del Guadaira como espacio de interés para las aves acuâticas. Oxyura, 4: 45-60.
-
(1987)
Oxyura
, vol.4
, pp. 45-60
-
-
Molina, F.1
Garca, A.2
Rodrfguez, M.3
-
28
-
-
0021561791
-
Waterfowl populations and limnological characteristics of taiga ponds
-
MURPHY, S. M., KESSEL, B. & VINING, L. J. 1984. Waterfowl populations and limnological characteristics of taiga ponds. Journal of Wildlife Management, 48: 1156-1163.
-
(1984)
Journal of Wildlife Management
, vol.48
, pp. 1156-1163
-
-
Murphy, S.M.1
Kessel, B.2
Vining, L.J.3
-
29
-
-
0021074635
-
Niche dynamics and organization of waterfowl guilds in variable environments
-
NUDDS, T. D. 1983. Niche dynamics and organization of waterfowl guilds in variable environments. Ecology, 64: 319-330.
-
(1983)
Ecology
, vol.64
, pp. 319-330
-
-
Nudds, T.D.1
-
30
-
-
0027333275
-
Habitat associations of ducks during different phases of the breeding season
-
NUMMI, P. & PöYSä, H. 1993. Habitat associations of ducks during different phases of the breeding season. Ecogra'phy, 16: 319-328.
-
(1993)
Ecogra'phy
, vol.16
, pp. 319-328
-
-
Nummi, P.1
Pöysä, H.2
-
32
-
-
0028608420
-
Habitat distribution of the mallard in relation to vegetation structure, food, and population density
-
_, _, ELMBERG, J. & SJöBERG, K. 1994. Habitat distribution of the mallard in relation to vegetation structure, food, and population density. Hydrobiologia, 278/280: 247-252.
-
(1994)
Hydrobiologia
, vol.278-280
, pp. 247-252
-
-
Elmberg, J.1
Sjöberg, K.2
-
33
-
-
0025659706
-
Survival of Mallard broods on Benton Lake National Wildlife Refuge in northcentral Montana
-
ORTHMEYER, D. L. & BALL, I. J. 1990. Survival of Mallard broods on Benton Lake National Wildlife Refuge in northcentral Montana. Journal of Wildlife Management, 54: 62-66.
-
(1990)
Journal of Wildlife Management
, vol.54
, pp. 62-66
-
-
Orthmeyer, D.L.1
Ball, I.J.2
-
34
-
-
0002338007
-
The role of environmental heterogeneity in the regulation of duck populations
-
PATTERSON, J. H. 1976. The role of environmental heterogeneity in the regulation of duck populations. Journal of Wildlife Management, 40: 22-32.
-
(1976)
Journal of Wildlife Management
, vol.40
, pp. 22-32
-
-
Patterson, J.H.1
-
35
-
-
0021566099
-
Relantionship of food to spatial and temporal breeding strategies of mallards in Sweden
-
PATTERSON, O. 1984. Relantionship of food to spatial and temporal breeding strategies of mallards in Sweden. Journal of Wildlife Management, 48: 322-339.
-
(1984)
Journal of Wildlife Management
, vol.48
, pp. 322-339
-
-
Patterson, O.1
-
36
-
-
0020685220
-
Resource utilization pattern and guild structure in a waterfowl community
-
PöYSä, H. 1983. Resource utilization pattern and guild structure in a waterfowl community. Oikos, 40: 295-307.
-
(1983)
Oikos
, vol.40
, pp. 295-307
-
-
Pöysä, H.1
-
37
-
-
0027028927
-
Bucephala clangula females
-
_ 1992. Variation in parental care of Common Goldeneye (Bucephala clangula) females. Behaviour, 123: 247-260.
-
(1992)
Behaviour
, vol.123
, pp. 247-260
-
-
-
39
-
-
33746173686
-
Relaciones ambientales y conservation de las comunidades de aies acuâticas en la gestion de los humedales del sudeste espanol
-
ROBLEDANO, F., MONTES, C. & RAMfREZ-DfAZ, L. 1992. Relaciones ambientales y conservation de las comunidades de aies acuâticas en la gestion de los humedales del sudeste espanol. Universidad de Murcia. Murcia.
-
(1992)
Universidad De Murcia. Murcia.
-
-
Robledano, F.1
Montes, C.2
Ramfrez-Dfaz, L.3
-
40
-
-
33746108123
-
Contribution au dénombrement et à l'écologie de sept espèces d'oiseaux d'eau nicheurs en rivière
-
ROCHE, J. 1989. Contribution au dénombrement et à l'écologie de sept espèces d'oiseaux d'eau nicheurs en rivière. Alauda, 57: 181-192.
-
(1989)
Alauda
, vol.57
, pp. 181-192
-
-
Roche, J.1
-
41
-
-
0027330818
-
Ornithological contribution to river zonation
-
_ & FROCHOT, B. 1993. Ornithological contribution to river zonation. Ada Oecologica, 14: 415-434.
-
(1993)
Ada Oecologica
, vol.14
, pp. 415-434
-
-
Frochot, B.1
-
42
-
-
3643107829
-
The waterbird populations of three welsh rivers
-
ROUND, P. D. & Moss, M. 1984. The waterbird populations of three welsh rivers. Bird Study, 31: 61-68.
-
(1984)
Bird Study
, vol.31
, pp. 61-68
-
-
Round, P.D.1
Moss, M.2
-
43
-
-
0028177620
-
A review of habitat changes in the Camargue: An assessment of the effects of the loss of biological diversity on the wintering waterfowl community
-
TAMISIER, A. & GRILLAS, P. 1994. A review of habitat changes in the Camargue: an assessment of the effects of the loss of biological diversity on the wintering waterfowl community. Biological Conservation, 70: 39-47.
-
(1994)
Biological Conservation
, vol.70
, pp. 39-47
-
-
Tamisier, A.1
Grillas, P.2
-
44
-
-
33746146749
-
Censo de aves acudticas en las zonas hümedas del Sur de Cördoba: Datos correspondientes a 1986-87
-
TORRES, J. A., ARENAS, R., AYALA, J. M., CASTELLö, V. & ORDöSIEZ, F. 1987. Censo de aves acudticas en las zonas hümedas del Sur de Cördoba: datos correspondientes a 1986-87. Oxyura, 4: 182-197.
-
(1987)
Oxyura
, vol.4
, pp. 182-197
-
-
Torres, J.A.1
Arenas, R.2
Ayala, J.M.3
Castellö, V.4
Ordösiez, F.5
-
45
-
-
0002632277
-
Waders along inland rivers in Spain
-
VELASCO, T. 1992. Waders along inland rivers in Spain. Wader Study Group Bulletin 64: 41-44.
-
(1992)
Wader Study Group Bulletin
, vol.64
, pp. 41-44
-
-
Velasco, T.1
|