Skógræktarritið - 15.05.2004, Side 66

Skógræktarritið - 15.05.2004, Side 66
9. PerGundersen (1992). Nitrogen circulation in three spruce forests in Denmark. í: Response of Forest Ecosy- stems to Environmental Changes. Proc. of the First European Symposium on Terrestrial Ecosystems, Teller, A., Mathy, P. og leffers, J.N.R. (ritstj.), Flórens, ltalíu 20-24 maí 1991, CEC, Brussels, bls. 724-725. 10. Hanno Richter (1997). Water relations of plants in the field: some comments on the measurements of selected parameters. Journal of Experimental Botany 48: 1-7. 11. Henrik Eckersten, Claus Beier, Tryggve Persson, Maria Holmberg, Gunnar Ch. Borg og Friðrik Pálma- son (1999). Forest experimental sites. í: Nitrogen Processes in Arable and Forest Soils in the Nordic Countries - Field-scale Modelling and Experiments. P-E Jansson, T. Persson. & T. Kátterer (ritstj.), Nordic Council of Mini- sters, Kaupmannahöfn. Tema Nord 560: 53-62. 12. Hertel, O, C. Ambelas Skjoth, J. Brandt, J. H. Christensen, L. M. Frohn ogj. Frydendall (2003). Operational mapping of atmospheric nitrogen deposition to the Baltic Sea. Atmospheric Chemistry and Physics 3: 2083-2099. 13. lan B. Strachan (1999). Micrometeorology ofa black cottonwood plantation forest during establishment years in south keland, 1993-1996. Doktorsritgerð við Queen's háskóla, Kingston, Ontario, Kanada. 214 bls. 14. Ian B. Strachan, Bjarni D. Sigurðsson og J. Harry McCaughey (1998). Soil hydrology at the Gunnarsholt experimental plantation: Measurements and results. Btívísindi 12: 27-34. 15. lan B. Strachan ogj. Harry McCaughey (2002). Stoma- tal conductance of Populus trichocarpa in Southern lceland in relation to environmental variables. Scand- inavian lournal of Forest Research 17: 7-14. 16. Matthías Eggertsson og Óttar Geirsson (ritstj.) 1997. Handbók bænda. Bændasamtök fslands, Reykjavík, 384 bls. 17. Per-Erik Jansson, Claus Beier, GunnarCh. Borg, Jón Guðmundsson, Jaana Roos og Johanna Ahonen (1999). Application of water and heat model to fore- sted sites. í: Nitrogen Processes in Arable and Forest Soils in the Nordic Countries - Field-scale Modelling and Experiments. P-E Jansson, T. Persson. & T. Kátterer (ritstj.), Nordic Council of Ministers, Kaupmannahöfn. Tema Nord 560: 53-62. 18. Pétur M. Jónasson (2002). Verndun Þingvalla og Þing- vallavatns. í: Þingvallavatn - Undraheimur í mótun. Pétur M. Jónasson og Páll Hersteinsson (ritstj.), Mál og menning, Reykjavík, bls 248-283. 19. Ragnhildur Sigurðardóttir, Kristiina A. Vogt og Dani- el J. Vogt (2001). Effects of different forest types on soil lechates in eastern Iceland. í: Geochemistry of the Earth's surface, HalldórÁrmannsson (ritstj.), A.A. Balkema, Rotterdam, Hollandi, bls. 397-402. 20. Sigurður Reynir Gfslason, Stefán Arnórsson og Hail- dór Ármannsson (1996). Chemical weathering of basalt in southwest lceland: effects of runoff, age of rocks and vegetative/glacial cover. American journal of Science 296: 837-907. 21. Umhverfisráðuneytið (2001). Reglugerð um neysluvatn. Stjórnarráð íslands, 14 bls. 22. Walter Larcher (2003). Physiological Plant Ecology. 4th edition. Springer, Berlín, Þýskalandi. 513 bls. r Njótum útiveru í fallegu umhverfi okkar. Göngum vel um landið og vörumst að skilja eftir verks- ummerki. Garðabær v_________ Garðyrkjustjón 64 SKÓGRÆKTARRITIÐ 2004
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