Free access
Ann. For. Sci.
Volume 66, Number 3, April-May 2009
Article Number 308
Number of page(s) 7
Published online 10 March 2009
References of  Ann. For. Sci. 66 (2009) 308
  1. Al Afas N., Marron N., and Ceulemans R., 2007. Variability in Populus leaf anatomy and morphology in relation to Canopo position, biomass production, and varietal taxon. Ann. For. Sci. 64: 521–532 [EDP Sciences] [CrossRef].
  2. Braganca M., DeSouza O., and Zanuncio J.C., 1998. Environmental heterogeneity as a strategy for pest management in Eucalyptus plantations. For. Ecol. Manage. 102: 9–12 [CrossRef].
  3. Bravo F., Grau J.M., and Antoñanzas F.G., 1995. Curvas de calidad y tablas de producción para Populus x euramericana en la cuenca del Duero. Montes 44: 43–46.
  4. Bussotti F., Cozzi A., Ferretti M., Cenni E., Bettini D., and Nibbi R., 2002. Crown condition assessment at the CONECOFOR permanent monitoring plots. J. Limnol. 61: 12–18.
  5. Camps F., 2001. Principales plagas y enfermedades de chopo. I Simposio del chopo, Zamora, Junta de Castilla y León.
  6. Castañeda F., Palmberg-Lerche C., and Vuorinen P., 2001. Criteria and indicators for sustainable forest management: A compendium. Forest management working papers, Working paper 5, Forest Resources Development Service, Forest Resources Division. FAO, Rome.
  7. Čermák J., Gašpárek J., De Lorenzi F., and Jones H., 2007. Stand biometry and leaf area distribution in an old olive grove at Andrea, southern Italy. Ann. For. Sci. 64: 491–501 [EDP Sciences] [CrossRef].
  8. Coops N.C., Stone C., Culvenor D.S., and Chisholm S., 2004. Assessment of crown condition in eucalypt vegetation by remotely sensed optical indices. J. Environ. Qual. 33: 956–64 [PubMed].
  9. Eichhorn J., Szepesi A., Ferretti M., Durrant D., and Roskams P., 2006. Part II: Visual assessment of tree condition. In: Manual on methods and criteria for harmonized sampling, assessment, monitoring and analysis of the effects of air pollution on forests, United Nations Economics Commision for Europe, International Cooperative Programme on Assessment and Monitoring of Air Pollution Effects on Forests (ICP-Forests).
  10. Fernández A. and Hernanz G., 2004. El chopo (Populus sp.) Manual de Gestión Forestal Sostenible, Junta de Castilla y León, 53 p.
  11. Ferretti M., 1997. Forest health assessment and monitoring – Issues for consideration. Environ. Monit. Assess. 48: 45–72 [CrossRef].
  12. Ferretti M., 1998. Potential and limitation of visual indices of tree condition. Chemosphere 36: 1031–1036 [CrossRef].
  13. Frampton C.M., Pekelharing C.J., and Payton I.J., 2001. A fast method for monitoring foliage density in single lower-canopy trees. Environ. Monit. Assess. 72: 227–34 [PubMed] [CrossRef].
  14. Ghosh S. and Innes J.L., 1995. Combining field and control team assessments to obtain error-estimates for surveys of crown condition. Scand. J. For. Res. 10: 264–270 [CrossRef].
  15. Ghosh S., Innes J.L., and Hoffmann C., 1995. Observer variation as a source of error in assessments of crown condition through time. For. Sci. 41: 235–254.
  16. Hendriks C.M.A., Olsthoorn A.F.M., Klap J.M., Goedhart P.W., Oude Voshaar J.H., Bleeker A., De Vries F., Van Der Salm C., Voogd J.H.C., De Vries W., and Wijdeven S.M.J., 2000. Relationships between crown condition and its determining factors in The Netherlands for the period 1984 to 1994. Wageningen, Alterra, Green World Research, 70 p.
  17. Hunsaker C.T., 1993. New concepts in environmental monitoring: the question of indicators. The science of total environment. Supplement, pp. 77–95.
  18. Innes J.L., 1993. Some factors affecting the crown condition density of trees in Great Britain based in recent annual surveys of forest condition. Forest decline in the Atlantic and Pacific region. Huettl/Mueller-Dombois, Springer-Verlag Berlin Heidelberg, pp. 40–53.
  19. Innes J.L. and Boswell R.C., 1990. Reliability, presentation, and relationships among data from inventories of forest condition. Can. J. For. Res./Rev. Can. Rech. For. 20: 790–799 [CrossRef].
  20. Innes J.L., Landmann G., and Mettendorf B., 1993. Consistency of Observations of Forest Tree Defoliation in 3 European Countries. Environ. Monitor. Assess. 25: 29–40 [CrossRef].
  21. Klap J.M., Voshaar J.H.O., De Vries W., and Erisman J.W., 2000. Effects of environmental stress on forest crown condition in Europe. Part IV: Statistical analysis of relationships. Water, Air, Soil Pollut. 119: 387–420.
  22. Lorenz M., Becher G., Mues W., Fisher R., Becker R., Calatayud V., Dise N., Krause G.H.M., Sanz M., and Ulrich E., 2005. Forest condition in Europe, report of the 2004 survey. Geneva, UN/ECE, CEC, 99 p.
  23. Metzger J.M. and Oren R., 2001. The effect of crown dimensions on transparency and the assessment of tree health. Ecol. Appl. 11: 1634–1640 [CrossRef].
  24. Mizoue N., 2001. Fractal analysis of tree crown images in relation to crown transparency. J. For. Plann. 7: 79–87.
  25. Mizoue N., 2002. CROCO: Semi-automatic image analysis system for crown condition assessment in forest health monitoring. J. For. Plann. 8: 17–24.
  26. Mizoue N. and Dobbertin M., 2003. Detecting differences in crown transparency assessments between countries using the image analysis system CROCO. Environ. Monitor. Assess. 89: 179–195 [CrossRef].
  27. Mizoue N. and Dobbertin M., 2004. Within country accuracy of tree crown transparency estimates using the image analysis system CROCO: a case study from Switzerland. Environ. Model. Software 19: 1089–1095 [CrossRef].
  28. Mizoue N. and Inoue A., 2001. Automatic thresholding of tree crown images. J. For. Plann. 6: 75–80.
  29. Peña D., 2002. Regresión y diseño de experimentos. Alianza, Madrid, 744 p.
  30. Redfern D.B. and Boswell R.C., 2004. Assessment of crown condition in forest trees: comparison of methods, sources of variation and observer bias. For. Ecol. Manage. 188: 149–160 [CrossRef].
  31. Sang-Mook L., Clark N., and Araman P., 2003. Automated methods of tree boundary extraction and foliage transparency estimation from digital imagery. 19th Biennal Workshop on Color Photography and Videography in Resource Assessment, Logan, Utah.
  32. Sierra J.M., 2001. Plagas y enfermedades de los chopos en España, con especial referencia a Castilla y León. I Simposio del chopo, Zamora, Junta de Castilla y León.
  33. Solberg S., 1999. Crown density changes of Norway spruce and the influence from increased age on permanent monitoring plots in Norway during 1988–1997. Eur. J. For. Pathol. 29: 219–230 [CrossRef].
  34. Solberg S. and Strand L., 1999. Crown density assessments, control surveys and reproducibility. Environ. Monitor. Assess. 56: 75–86 [CrossRef].
  35. Solberg S., Naesset E., Lange H., and Bollandsas O.M., 2004. Remote sensing of forest health. Natcan International Conference on Laser-Scanners for Forest and Landscape Assessment, Freiburg.
  36. SPCAN-DGCN, 2002. Red de seguimiento de daños en los montes (Red CE de nivel I). Manual de campo, Ministerio de Medio Ambiente, 55 p.
  37. StafSoft I., 2001. STATISTICA (data analysis software system), version 6.0.
  38. Stone C., Wardlaw R.F., Carnegie A., Wyllie R., and De Little D., 2003. Harmonization of methods for the assessment and reporting of forest health in Australia – a starting point. Aust. For. 66: 233–246.
  39. Wulff S., 2002. The accuracy of forest damage assessments – Experiences from Sweden. Environ. Monitor. Assess. 74: 295–309 [CrossRef].
  40. Zarnoch S.J., Bechtold W.A., and Stolte K.W., 2004. Using crown condition variables as indicators of forest health. Can. J. For. Res./Rev. Can. Rech. For. 34: 1057–1070 [CrossRef].