Density-dependent foraging behaviour of sheep on alpine pastures: Effects of scale

Journal of Zoology

Volumn 270, Issue 1, 2006, Pages 63-71

  Kausrud, K ^a   Mysterud, A ^a   Rekdal, Y ^b   Holand, O ^c   Austrheim, G ^d  

^a UNIVERSITY OF OSLO   (Norway)

^b NORWEGIAN INSTITUTE OF BIOECONOMY RESEARCH   (Norway)

^c NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

^d NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

Author keywords

Deschampsia flexuosa; Non linear effects; Population processes; Ungulates; Vegetation types

Indexed keywords

ALPINE ENVIRONMENT; DIET; FORAGING BEHAVIOR; GRASS; PASTURE; SHEEP;

BUSKERUD; EURASIA; EUROPE; HOL; NORTHERN EUROPE; NORWAY; SCANDINAVIA;

DESCHAMPSIA FLEXUOSA; OVIS ARIES;

EID: 33747483651     PISSN: 09528369     EISSN: 14697998     Source Type: Journal    
DOI: 10.1111/j.1469-7998.2006.00118.x     Document Type: Article

References (67)

1. Aebischer, N.J., Robertson, P.A. & Kenward, R.E. (1993). Compositional analysis of habitat use from animal radiotracking data. Ecology 74, 1313-1325.
2. Armstrong, H.M., Gordon, I.J., Hutchings, N.J., Illius, A.W., Milne, J.A. & Sibbald, A.R. (1997). A model of the grazing of hill vegetation by sheep in the UK. II. The prediction of offtake by sheep. J Appl. Ecol. 34, 186-207.
3. Austrheim, G., Evju, M. & Mysterud, A. (2005). Herb abundance and life history traits in two contrasting alpine habitats in southern Norway. Plant Ecol. 179, 217-229.
4. Bon, R., Joachim, J. & Maublanc, M.L. (1995). Do lambs affect feeding habitat use by lactating female mouflons in spring in areas free of predators? J. Zool. (Lond.) 235, 43-51.
5. Borkowski, J. (2000). Influence of the density of a sika deer population on activity, habitat use, and group size. Can. J. Zool. 78, 1369-1374.
6. Burboa-Cabrera, F.R., Schacht, W.H. & Anderson, B.E. (2003). Utilization and grazing distribution of cattle at 4 stocking densities. J. Range Mgmt. 56, 328-333.
7. Burnham, K.P. & Anderson, D.R. (1998). Model selection and inference: a practical information-theoretic approach. New York: Springer.
8. Choquenot, D. (1991). Density-dependent growth, body condition, and demography in feral donkeys: testing the food hypothesis. Ecology 72, 805-813.
9. Conradt, L., Clutton-Brock, T.H. & Guinness, F.E. (1999). The relationship between habitat choice and lifetime reproductive success in female red deer. Oecologia 120, 218-224.
10. Cortés, A., Miranda, E., Rau, J.R. & Jiménez, J.E. (2003). Feeding habits of guanacos Lama guanicoe in the high Andes of north-central Chile. Acta Theriol. 48, 229-237.
11. Crawley, M.J. (2003). Statistical computing. An introduction to data analysis using S-plus. Chichester, West Sussex, UK: John Wiley and Sons.
12. Crawley, M.J., Albon, S.D., Bazely, D.R., Milner, J.M., Pilkington, J.G. & Tuke, A.L. (2004). Vegetation and sheep population dynamics. In Soay sheep: dynamics and selection in an island population: 89-112. Clutton-Brock, T.H. & Pemberton, J.M. (Eds). Cambridge: Cambridge University Press.
13. Drabløs, D. (1997). The story of the Norwegian sheep. Anniversary review of the Norwegian sheep and goat breeders 1947-1997. Oslo: Norwegian Sheep and Goat Breeders.
14. Edwards, G.R., Newman, J.A., Parsons, A.J. & Krebs, J.R. (1994). Effects of the scale and spatial distribution of the food resource and animal state on diet selection: an example with sheep. J. Anim. Ecol. 63, 816-826.
15. Efron, B. & Tibshirani, R.J. (1993). An introduction to the bootstrap. London: Chapman & Hall.
16. Evju, M., Mysterud, A., Austrheim, G. & Økland, R.H. (2006). Selecting herb species and traits as indicators of sheep grazing pressure in a Norwegian alpine habitat. Ecoscience in press.
17. Førland, E.J. (1993). Precipitation normals, period 1961-1990. Norw. Metrol. Inst. 39, 1-63.
18. Freeland, W.J. & Choquenot, D. (1990). Determinants of herbivore carrying capacity: plants, nutrients, and Equus asinus in northern Australia. Ecology 71, 589-597.
19. Fretwell, S.D. & Lucas, H.L.j. (1970). On territorial behavior and other factors influencing habitat distribution in birds. I. Theoretical development. Acta Biotheor. 19, 16-36.
20. Gaare, E., Sørensen, A. & White, R.G. (1977). Are rumen samples representative of the diet? Oikos 29, 390-395.
21. Gaillard, J.-M., Festa-Bianchet, M., Yoccoz, N.G., Loison, A. & Toigo, C. (2000). Temporal variation in fitness components and population dynamics of large herbivores. Annu. Rev. Ecol. Syst. 31, 367-393.
22. Geist, V. (1971). Mountain sheep: a study in behavior and evolution. Chicago and London: The University of Chicago Press.
23. Grant, S.A., Suckling, D.E., Smith, H.K., Torvell, L., Forbes, T.D.A. & Hodgson, J. (1985). Comparative studies of diet selection by sheep and cattle: the hill grasslands. J. Ecol. 73, 987-1004.
24. Grubb, P. & Jewell, P.A. (1974). Movement, daily activity and home range of soay sheep. In Island survivors: the ecology of the soay sheep of St Kilda: 160-194. Jewell, P.A., Milner, C. & Boyd, J.M. (Eds). London: The Athlone Press.
25. Hanski, I. (1978). Some comments on the measurement of niche metrics. Ecology 59, 168-174.
26. Henley, S.R., Smith, D.G. & Raats, J.G. (2001). Evaluation of 3 techniques for determining diet composition. J. Range Mgmt. 54, 582-588.
27. Hobbs, N.T. (1996). Modification of ecosystems by ungulates. J. Wildl. Mgmt. 60, 695-713.
28. Hodgson, J., Forbes, T.D.A., Armstrong, R.H., Beattie, M.M. & Hunter, E.A. (1991). Comparative studies of the ingestive behaviour and herbage intake of sheep and cattle grazing indigenous hill plant communities. J. Appl. Ecol. 28, 205-227.
29. Holechek, J.L., Gomez, H., Molinar, F. & Galt, D. (1999). Grazing studies: what we've learned. Rangelands 21, 12-16.
30. Hunter, R.F. (1964). Home range behaviour in hill sheep. In Grazing in terrestrial and marine environments: 155-171. Crisp, D.J. (Ed.). Oxford: Blackwell Scientific Press.
31. Ivlev, V.S. (1961). Experimental ecology of the feeding fishes. New Haven, CT: Yale University Press.
32. Jefferies, R.L., Klein, D.R. & Shaver, G.R. (1994). Vertebrate herbivores and northern plant communities: reciprocal influences and responses. Oikos 71, 193-206.
33. Johnson, D.H. (1980). The comparison of usage and availability measurements for evaluating resource preference. Ecology 61, 65-71.
34. Johnson, J.B. & Omland, K.S. (2004). Model selection in ecology and evolution. Trends Ecol. Evol. 19, 101-108.
35. Kessler, W.B., Kasworm, W.F. & Bodie, W.L. (1981). Three methods compared for analysis of pronghorn diets. J. Wildl. Mgmt. 45, 612-619.
36. Kohlmann, S.G. & Risenhoover, K.L. (1997). White-tailed deer in a patchy environment: a test of the ideal-free-distribution theory. J. Mammal. 78, 1261-1272.
37. Kvamme, M. (1988). Pollen analytical studies of mountain summer farming in western Norway. In The cultural landscape, past, present and future: 349-367. Birks, H.H., Birks, H.J.B., Kaland, P.E. & Moe, D. (Eds). Cambridge: Cambridge University Press.
38. Mellado, M., Valdez, R., Lara, L.M. & Lopez, R. (2003). Stocking rate effects on goats: a research observation. J. Range Mgmt. 56, 167-173.
39. Messier, F. (1991). The significance of limiting and regulating factors on the demography of moose and white-tailed deer. J. Anim. Ecol. 60, 377-393.
40. Mofareh, M.M., Bech, R.F. & Schneberger, A.G. (1997). Comparing techniques for determining steer diets in northern Chihuahuan Desert. J. Range Mgmt. 50, 27-32.
41. Morris, D.W. (1994). Habitat matching: alternatives and implications to populations and communities. Evol. Ecol. 8, 387-406.
42. Mysterud, A. & Austrheim, G. (2005). Ecological effects of sheep grazing in alpine habitats. Shortterm effects. Utmarksnœring i Norge 1-05, 1-91.
43. Mysterud, A., Hansen, L.O., Peters, C. & Austrheim, G. (2005). The short-term effect of sheep grazing on selected invertebrates (Diptera and Hemiptera) relative to other environmental factors in an alpine ecosystem. J. Zool. (Lond.) 266, 411-418.
44. Mysterud, A., Langvatn, R., Yoccoz, N.G. & Stenseth, N.C. (2002). Large-scale habitat variability, delayed density effects and red deer populations in Norway. J. Anim. Ecol. 71, 569-580.
45. Mysterud, A., Lian, L.-B. & Hjermann, D.Ø. (1999). Scale-dependent trade-offs in foraging by European roe deer (Capreolus capreolus) during winter. Can. J. Zool. 77, 1486-1493.
46. Mysterud, A. & Mysterud, I. (1999). Bærekraftig bruk og forvaltning av Setesdals Vesthei og Ryfylkeheiene. En utredning med spesiell vekt p̊a økologiske effekter av husdyrbeiting i utmark. Utmarksnœring i Norge 1-99, 1-197.
47. Mysterud, A., Yoccoz, N.G., Stenseth, N.C. & Langvatn, R. (2000). Relationships between sex ratio, climate and density in red deer: the importance of spatial scale. J. Anim. Ecol. 69, 959-974.
48. Pettorelli, N., Gaillard, J.-M., Duncan, P., Ouellet, J.-P. & Van Laere, G. (2001). Population density and small-scale variation in habitat quality affect phenotypic quality in roe deer. Oecologia 128, 400-405.
49. Pettorelli, N., Gaillard, J.-M., Van Laere, G., Duncan, P., Kjellander, P., Liberg, O., Delorme, D. & Maillard, D. (2002). Variations in adult body mass in roe deer: the effects of population density at birth and of habitat quality. Proc. Roy. Soc. Lond. Ser. B 269, 747-753.
50. Ramp, D. & Coulson, G. (2002). Density dependence in foraging habitat preference of eastern grey kangaroos. Oikos 98, 393-402.
51. Ray, C. & Hastings, A. (1996). Density dependence: are we searching at the wrong spatial scale? J. Anim. Ecol. 65, 556-566.
52. Rekdal, Y. (2001a). Husdyrbeite i fjellet: vegetasjonstypar og beiteverdi. NIJOS-rapport; 7/01, Norsk institutt for jordog skogkartlegging, Ås.
53. Rekdal, Y. (2001b). Vegetation and forage at Minnestølen. NIJOS-dokument 23/01, 1-21.
54. Sæther, B.-E. (1997). Environmental stochasticity and population dynamics of large herbivores: a search for mechanisms. Trends Ecol. Evol. 12, 143-149.
55. Senft, R.L., Coughenour, M.B., Bailey, D.W., Rittenhouse, L.R., Sala, O.E. & Swift, D.M. (1987). Large herbivore foraging and ecological hierarchies. BioScience 37, 789-799.
56. Sigmond, E. (1998). Odda map of rock; Odda; 1:250 000. Trondheim: Norwegian Geological Surveys.
57. Stanko, M., Miklisová, D., de Bellocq, J.G. & Morand, S. (2002). Mammal density and patterns of ectoparasite species richness and abundance. Oecologia 131, 289-295.
58. Steen, H., Mysterud, A. & Austrheim, G. (2005). Sheep grazing and rodent populations: evidence of negative interactions from a landscape scale experiment. Oecologia 143, 357-364.
59. Stewart, D.R.M. & Stewart, J. (1970). Food preference data by faecal analysis for African plains ungulates. Zool. Afr. 15, 115-129.
60. Takatsuki, S. (2003). Use of mires and food habits of sika deer in the Oze Area, central Japan. Ecol. Res. 18, 331-338.
61. Thomas, D.L. & Taylor, E.J. (1990). Study design and tests for comparing resource use and availability. J. Wildl. Mgmt. 54, 322-330.
62. Tyler, J.A. & Hargrove, W.W. (1997). Predicting spatial distribution of foragers over large resource landscapes: a modeling analysis of the ideal free distribution. Oikos 79, 376-386.
63. Van Horne, B. (1983). Density as a misleading indicator of habitat quality. J. Wildl. Mgmt. 47, 893-901.
64. Wahlström, L.K. & Kjellander, P. (1995). Ideal free distribution and natal dispersal in female roe deer. Oecologia 103, 302-308.
65. Warren, J.T. & Mysterud, I. (1991). Summer habitat use and activity patterns of domestic sheep on coniferous range in southern Norway. J. Range Mgmt. 44, 2-6.
66. Warren, J.T. & Mysterud, I. (1995). Sau, villrein og ressursbruk p̊a Hardangervidda i tidligere tid og n̊a. En utredning med sœrlig vekt p̊a dagens problemer for beitebruk og villreinforvaltning i lokalt og regionalt perspektiv. Oslo: Biologisk Institutt, Universitetet i Oslo.
67. Warren, J.T., Mysterud, I., Stensli, O.M., Berg, M. & Movik, E. (1993). Use of forest vegetation by sheep as recorded by radio telemetry. Acta Agr. Scand. Sec. A. Anim. Sci. 43, 190-192.