Skógræktarritið - 15.10.2020, Page 65

Skógræktarritið - 15.10.2020, Page 65
SKÓGRÆKTARRITIÐ 2020 65 45. Skogsdata. 2014. Tema: Biologisk mångfald. Umeå: Umeå: Institutionen för skoglig resurshushållning, Sveriges lantbruksuni- versitet. 46. Smith, D.M., B.C. Larson, M.J. Kelty & Ashton, P.M.S. 1997. The Practice of Silviculture: Applied forest ecology. 9. edition, bls. 537. John Wiley & Sons, Inc., New York. 47. Taylor, C. M. 1985. The return of nursing mixtures. Forestry and British Timber 14 (5): 18-19. 48. Tham, A. 1994. Crop plans and yield predictions for Norway spruce (Picea abies (L.) Karst.) and birch (Betula pendula Roth and Betula pubescens Ehrh.) mixtures. Studia Forestalia Suecica, 0 (195): bls. 1-21. 49. Valinger, E. & Fridman, J. 2011. Factors affecting the probability of windthrow at stand level as a result of Gudrun winter storm in southern Sweden. Forest Ecology and Management, 262 (3): 398-403. Höfundar: JÓN HILMAR KRISTJÁNSSON, PÁLL SIGURÐSSON OG BJARNI DIÐRIK SIGURÐSSON 37. Peltola, H., Kellomäki, S., Hassinen, A. & Granander, M. 2000. Mechanical stability of Scots pine, Norway spruce and birch: an analysis of tree-pulling experiments in Finland. Forest Ecology and Management, 135 (1-3): 143-153. 38. Pettersson, N., Fahlvik, N., Karlsson, A., Redaktör, S. & Fries, C. 2012. Röjning. Skogsskötselserien nr. 6, bls. 71. Skogsstyrelsen. 39. Piotto, D. 2008. A meta-analysis comparing tree growth in monocultures and mixed plantations. Forest Ecology and Management, 255 (3-4): 781-786. 40. Pretzsch, H. 2009. Forest Dynamics, Growth and Yield: From Measurement to Model. Berlin: Springer-Verlag Berlin. 41. Prevost, M. & Dumais, D. 2014. Shelterwood cutting in a boreal mixed wood stand: 10-year effects of the establishment cut on growth and mortality of merchantable residual trees. Forest Ecology and Management, 330: 94-104. 42. Roscher, C., Thein, S., Schmid, B. & Scherer-Lorenzen, M. 2008. Complementary nitrogen use among potentially dominant species in a biodiversity experiment varies between two years. Journal of Ecology, 96 (3), 477-488. 43. Rothe, A. & Binkley, D. 2001. Nutritional interactions in mixed species forests: a synthesis. Canadian Journal of Forest Research- -Revue Canadienne De Recherche Forestiere, 31 (11): 855-1870. 44. Rytter, L., Karlsson, A., Karlsson, M. & Stener L. G. 2014. Skötsel av björk, al och asp. Skogsskötselserien nr. 9, bls. 131. Skogsstyrelsen. Lauftré á Íslandi hefur verið uppseld í nokkur ár en er nú komin í annari prentun, með fjölda nýrra tegunda, nýjum myndum og auknum upplýsingum um eldri tegundir. Verð kr. 5.500,- Bókaflokkurinn Við ræktum fæst í öllum helstu bókabúðum og á heimasíðu okkar www.rit.is/baekur eða í síma 578 4800.
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