References
- Andersson , O. , Burgtorf , H. and Tamm , C. O. 1970 . Tjäderbetning och skogsgödsling (Capercaillie browsing on fertilized pines) . Sveriges Skogsvårdsforbunds Tidskríft , 68 : 557 – 566 . (In Swedish with English summary.)
- Annila , E. , Heliövaara , K. , Puukko , K. and Rousi , M. 1983 . Pests on lodgepole pine (Pinus contorta) in Finland . Commun. Inst. For. Fenn. , 115 : 1 – 27 .
- Bryant , J. P. and Kuropat , P. J. 1980 . Selection of winter forage by subarctic browsing vertebrates: the role of plant chemistry . Ann. Rev. Ecol. Syst. , 11 : 261 – 285 .
- Dement'ev , G. P. and Gladkov , N. A. , eds. 1952 . Birds of the Soviet Union Vol. IV , Moscow, , USSR Translation (1967) from Russian by Israel Program for Scientific Translations
- Eriksson , H. and Möller , A. 1988 . Pinus contorta och P. sylvestris—en jämförande produktionsekologisk Studie. Examensarbete i ämnet skogsskötsel, 1988–6 , Umeå : Institutionen för skogsskötsel, Sveriges lantbruksuniversitet .
- Freeland , W. J. and Janzen , D. H. 1974 . Strategies in herbivory by mammals: the role of plant secondary compounds . Am. Nat. , 108 : 269 – 289 .
- Gardarsson , A. and Moss , R. 1970 . “ Selection of food by Icelandic ptarmigan in relation to its availability and nutritive value ” . In Animal populations in relation to their food resources , Edited by: Watson , A. 47 – 71 . Oxford and Edinburgh : Blackwell Scientific Publications .
- Hagner , S. O. A. . Lodgepole pine management in Sweden. A strategy for higher yield . Lodgepole pine. The species and its management . May 8–10 1984 , Spokane, Washington, USA. Edited by: Baumgartner , D. M. , Krebill , R. G. , Arnott , J. T. and Weetman , G. F. pp. 211 – 217 . and May 14–16, 1984 Vancouver, British Columbia, Canada. Proceedings,
- Helinska‐Raczkowska , L. , Molinski , W. and Zmijewska , B. 1988 . Mechanical properties of needles of various species of pine determined in tension test . Holzforschung und Holzverwertung , 40 : 8 – 12 .
- Kendeigh , S. C. , Dolnik , V. R. and Gavrilov , V. M. 1977 . “ Avian energetics ” . In Granivorous birds in ecosystems , Edited by: Pinowski , J. and Kendeigh , S. C. 127 – 204 . Cambridge : Cambridge Univ. Press .
- Lähde , E. , Nieminen , J. , Etholen , K. and Soulahti , P. 1982 . Varttuneet kantortametsiköt Suomen eteläpuoliskossa. Summary: Older lodgepole pine stands in southern Finland . Folia For. , 533 : 1 – 38 .
- Lance , A. N. 1975 . Aspects of individual performance in red grouse , Scotland : University of Aberdeen . Ph.D. thesis.
- Lindén , H. 1983 . Metson sopeutumisesta talveen (Is life hard for the capercaillie in the Finnish winter?) . Oulanka Reports , 4 : 88 – 91 .
- Lindén , H. 1984 a . The role of energy and resin contents in the selective feeding of pine needles by the capcercaillie . Ann. Zool. Fennici , 21 : 435 – 439 .
- Lindén , H. 1984 b . Annual patterns in the ecological energetics of the capercaillie. Tetrao urogallus, in captivity . Finnish Game Res. , 42 : 19 – 27 .
- Mole , S. and Waterman , P. G. 1987 . “ Tannins as antifeedants to mammalian herbivores—still an open question? ” . In Allelochemicals: Role in agriculture and forestry , ACS Symposium Series No. 330 Edited by: Waller , G. R. 572 – 587 . Washington DC : American Chemical Society .
- Moss , R. 1972 . Food selection by red grouse (Lagopus lagopus scoticus (Lath.)) in relation to chemical composition . J. Animal Ecology , 41 : 411 – 418 .
- Moss , R. and Hanssen , I. 1980 . Grouse nutrition. Commonwealth Bureau of Nutrition . Nutrition Abstracts and Reviews , 50 ( 11 ) : 555 – 567 . Series B
- Niemelä , P. and Danell , K. 1988 . Comparison of moose browsing on Scots pine (Pinus sylvestris) and lodgepole pine (P. contorta) . J. Appl. Ecol. , 25 : 761 – 775 .
- Pulliainen , E. 1970 . Composition and selection of winter food by the capercaillie (Tetrao urogallus) in northeastern Finnish Lapland . Suomen Riista , 22 : 67 – 73 .
- Pulliainen , E. . Autumn and winter nutrition of the capercaillie (Tetrao urogallus) in the northern Finnish Taiga . Woodland Grouse Symposium . 1978 . Edited by: Lovel , T. W. I. pp. 92 – 97 . World Pheasant Association .
- Robbins , C. T. , Mole , S. , Hagerman , A. E. and Hanley , T. A. 1987 . Role of tannins in defending plants against ruminants: Reduction in dry matter digestion? . Ecology , 68 : 1606 – 1615 .
- Seiskari , P. 1962 . On the winter ecology of the capercaillie. Tetrao urogallus. and the black grouse, Lyrurus tetrix, in Finland . Papers Game Res. , 22 : 1 – 119 .
- Semenov‐Tjan‐Shanskij , O. J. 1959 . Ekologija teterevinyh ptits (Ecology of the Tetraonids) . Trudy Laplandskogo Gosudarstvennogo Zapovednika , 5 : 1 – 318 . (In Russian.)