[Danson, F.M., Morsdorf, F., Koetz, B. 2009. Airborne and terrestrial laser scanning for measuring vegetation canopy structure. - Heritage, G.L., Large, A.R.G. (eds.). Laser scanning for the environmental sciences. Oxford, Wiley-Blackwell, 201-219.]Search in Google Scholar
[Eesti Entsüklopeedia (Estonian encyclopedia). [WWW document]. - URL http://entsyklopeedia.ee/ [Accessed 22 August 2014]. (In Estonian).]Search in Google Scholar
[Jennings, S.B., Brown, N.D., Sheil, D. 1999. Assessing forest canopies and understorey illumination: canopy closure, canopy cover and other measures. - Forestry, 72, 59-73.10.1093/forestry/72.1.59]Search in Google Scholar
[Jonckheere, I., Fleck, S., Nackaerts, K., Muys, B., Coppin, P., Weiss, M., Baret, F. 2004. Review of methods for in situ leaf area index determination. Part I. Theories, sensors and hemispherical photography. - Agricultural and Forest Meteorology, 121, 19-35.]Search in Google Scholar
[Kesk konnateabe Keskus (Estonian Environment Information Centre). Estonian environmental indicators 2012 (Eesti Keskkonnanäitajad 2012). Tallinn. 77 pp. (In Estonian).]Search in Google Scholar
[Korhonen, L., Korpela, I., Heiskanen, J., Maltamo, M. 2011. Airborne discrete-return LIDAR data in the estimation of vertical canopy cover, angular canopy closure and leaf area index. - Remote Sensing of Environment, 115, 1065-1080.]Search in Google Scholar
[Krigul, T., 1972. Metsatakseerimine (Forest mensuration). Tallinn, Valgus. 145-146. (In Estonian).]Search in Google Scholar
[Kuusk, A., Nilson, T., Kuusk, J., Lang, M. 2010. Refl ectance spectra of RAMI forest stands in Esto nia: Simulations and measurements. - Remote Sensing of Environment, 114(12), 2962-2969.]Search in Google Scholar
[Lang, M. 2010. Metsa katvuse ja liituse hindamine lennukilt laserskanneriga (Estimation of crown and canopy cover from airborne lidar data). - Forestry Studies / Metsanduslikud Uurimused, 52, 5-17. (In Estonian).10.2478/v10132-011-0079-5]Search in Google Scholar
[Lang, M. 2013. A simple method for mapping woody plant cover in agricultural fi elds using airborne lidar. - Forestry Studies / Metsanduslikud Uurimused, 58, 5-11.]Search in Google Scholar
[Lang, M., Kurvits, V. 2007. Restoration of tree crown shape for canopy cover estimation. - Forestry Studies / Metsanduslikud Uurimused, 46, 23-34]Search in Google Scholar
[Lang, M., Nilson, T., Kuusk, A., Kiviste, A., Hordo, M. 2007. The performance of foliage mass and crown radius models in forming the input of a forest refl ectance model: A test on forest growth sample plots and Landsat 7 ETM+ images. - Remote Sensing of Environment, 110, 445-457.]Search in Google Scholar
[Lauringson, E., Kuill, T., Vipper, H., Talgre, L. 2000.]Search in Google Scholar
[Mahajäetud põllud biosüsteemis (Abandoned fi elds in biosystem). - Agraarteadus, 11-3, 232-247. (In Estonian). LI-COR Inc. 1992. LAI-2000 Plant Canopy Analyzer: instruction manual. Lincoln, Nebraska, USA.]Search in Google Scholar
[Maa-ameti geo portaal (Estonian Land Board Geoportal). [WWW document]. - URL http://geoportaal.maaamet.ee/ [Accessed 7 March 2014].]Search in Google Scholar
[Masing, V. 1992. Ökoloogialeksikon (Lexicon of ecology). Tallinn, Eesti Entsüklopeediakirjastus. 320 pp. (In Estonian).]Search in Google Scholar
[McGaughey, R.J. 2012. FUSION/LDV: Software for LIDAR Data Analysis and Visualization. Oktoober 2013 - FUSION Version 3.40. United States Department of Agriculture Forest Service Pacifi c Northwest Research Station.]Search in Google Scholar
[Metsaseadus (Estonian forest law). 2014. - Elektrooniline Riigi Teataja, RT I 2006, 30, 232. (In Estonian).]Search in Google Scholar
[Morsdorf, F., Kötz, B., Meier, E., Itten, K. I., Allgöwer, B. 2006. Estimation of LAI and fractional cover from small footprint airborne laser scanning data based on gap fraction. - Remote Sensing of Environment, 104, 50-61.]Search in Google Scholar
[Nilson, T., Kuusk, A. 2004. Improved algorithm for estimating canopy indices from gap fraction data in forest canopies. - Agricultural and Forest Meteorology, 124, 157-169.]Search in Google Scholar
[Oetter, D. R., Cohen, W. B., Berterretche, M., Maiersperger, T. K., Kennedy, R. E. 2000. Land cover mapping in an agricultural setting using multiseasonal Thematic Mapper data. - Remote Sensing of Environment, 76, 139-155.]Search in Google Scholar
[Padari, A., Metslaid, S., Kangur, A., Sims, A., Kiviste, A. 2009. Modelling stand mean height in young naturally regenerated stands - a case study in Järvselja, Estonia. - Baltic Forestry, 15(2), 226-236.]Search in Google Scholar
[Prishchepov, A. V., Radeloff, V. C., Dubinin, M., Alcantara, C. 2012. The effect of Landsat ETM/ ETM + image acquisition dates on the detection of agricultural land abandonment in Eastern Europe. - Remote Sensing of Environment, 126, 195-209.]Search in Google Scholar
[QGIS. 2014. [WWW document]. - URL http://www.qgis.org/ [Accessed 14 April 2014]. R Development Core Team. 2014. R: A Language and Environment for Statistical Computing. Vienna, Austria.]Search in Google Scholar
[Rautiainen, M., Stenberg, P., Nilson, T. 2005. Estimating canopy cover in Scots pine stands. - Silva Fennica, 39(1), 137-142.]Search in Google Scholar
[Reger, B., Otte, A., Waldhardt, R. 2007. Identifying patterns of land-cover change and their physical attributes in a marginal European landscape. - Landscape and Urban Planning, 81, 104-113.]Search in Google Scholar
[Riaño, D., Valladares, F., Condés, S., Chuvieco, E. 2004. Estimation of leaf area index and covered ground from airborne laser scanner (LiDAR) in two contrasting forests. - Agricultural and Forest Meteorology, 124, 269−275.]Search in Google Scholar
[Ruskule, A., Nikodemus, O., Kasparinska, Z., Kas parinskis, R., Brūmelis, G. 2012. Patterns of afforestation on abandoned agriculture land in Latvia. - Agroforestry Systems, 85, 215-231.]Search in Google Scholar
[Stereńczak, K., Kozak, J. 2011. Evaluation of digital terrain models generated in forest conditions from airborne laser scanning data acquired in two seasons. - Scandinavian Journal of Forest Research, 26, 374-385.]Search in Google Scholar
[Stoate, C., Bàldi, A., Beja, P., Boatma, N.D., Herzon, I., van Doorn, A., de Snoo, G.R., Rakosy, L., Ramwell, C. 2009. Ecological impacts of early 21st century agricultural change in Europe - a review. - Journal of Environment Management, 91, 22-46.]Search in Google Scholar
[Straatsma, M. W., Middelkoop, H. 2006. Airborne laser scanning as a tool for lowland fl oodplain vegetation monitoring. - Hydrobiologia, 565, 87-103.]Search in Google Scholar
[Tonolli, S., Dalponte, M., Vescuvo, L., Rodeghiero, M., Bruzzone, L., Gianelle, D. 2011. Mapping and modeling forest tree volume using forest inventory and airborne laser scanning. - European Journal of Forest Research, 130, 569-577.]Search in Google Scholar
[Wagner, W., Eberhöfer, C., Hollaus, M., Summer, G. 2004. Robust fi ltering of airborne laser scanner data for vegetation analysis. - International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, XXXVI, 8/W2, 56-61.]Search in Google Scholar
[Wolter, P.T., Mladenoff, D.J., Host, G.E., Crow, T.R. 1995. Improved forest classifi cation in the northern lake-states using multitemporal Landsat imagery. - Photogrammetric Engineering and Remote Sensing, 61, 1129-1143.]Search in Google Scholar
[Zhang, Z., Liu, X., Peterson, J., Wright, W. 2011. Cool temperate rainforest and adjacent forests classifi - cation using airborne LiDAR data. - Area, 43(4), 438-448. ]Search in Google Scholar
