Bradshaw, A. D. The reconstruction of ecosystems. Presidential address to the British Ecological Society, December 1982 // J. Applied Ecol. 1983. Vol. 20, No. 1. P. 1–17.
doi:10.2307/2403372
Kaar, E., Tomberg, E. Recultivation of the quarry spoil // 90 years of oil shale mining in Estonia. Proceedings of the Conference of Estonian Miners 2006 by Estonian Mining Society / I. Valgma (ed.). Department of Mining, Tallinn University of Technology, 2006. P. 78–83 [in Estonian].
Kaar, E. Coniferous trees on exhausted oil shale opencast mines // Forestry Studies. 2002. Vol. 36. P. 120–125.
Kaar, E. Recultivation in Estonia // History of Forestry. Series Pages of the History of Science of Estonia XII (Collected papers) / T. Meikar (ed.). Tallinn: Estonian Academy Publishers, 1998. P. 175–193 [in Estonian with English and German summaries].
Vares, A., Lõhmus, K., Truu, M., Truu, J., Tullus, H., Kanal, A. Productivity of black alder (Alnus glutinosa (L.) Gaertn.) plantations on reclaimed oil-shale mining detritus and mineral soils in relation to rhizosphere conditions // Oil Shale. 2004. Vol. 21, No. 1. P. 43–58.
Kaar, E., Raid, L. Einige Ergebnisse der Rekultivierung eingeebneter Schiefertagebauen // Forestry Studies. 1992. Vol. 25. P. 109–117 [in Estonian with German and Russian summaries].
Kaar, E. Of some results of the reclamation of opencast oil shale mining pits. Forest Research: Past and Present // Proceedings of the Estonian Academic Forest Society. Vol. 18 / T. Meikar, Ü. Tamm (eds.). Tartu: Forest Research Institute of EAU, 2002. P. 123–131 [in Estonian].
Spears, J. D. H., Lajtha, K., Caldwell, B. A., Pennington, S. B., Vanderbilt, K. Species effects of Ceanothus velutinus versus Pseudotsuga menziesii, Douglas-fir, on soil phosphorus and nitrogen properties in the Oregon cascades // For. Ecol. Manage. 2001. Vol. 149, No. 1. P. 205–216.
doi:10.1016/S0378-1127(00)00555-7
Ostonen, I., Lõhmus, K., Alama, S., Truu, J., Kaar, E., Vares, A., Uri, V., Kurvits, V. Morphological adaptions of fine roots in scots pine (Pinus sylvestris L.), silver birch (Betula Pendula Roth) and black alder (Alnus glutinosa (L.) Gaertn) stands in recultivated areas of oil shale mining and semicoke hills // Oil Shale. 2006. Vol. 23, No. 2. P. 187–202.
Yu, Q., Tigerstedt, P. M. A., Haapanen, M. Growth and phenology of hybrid aspen clones (Populus tremula L. × Populus tremuloides Michx.) // Silva Fennica. 2001. Vol. 35, No. 1. P. 15–25.
Rytter, L., Stener L.-G. Productivity and thinning effects in hybrid aspen (Populus tremula L. × P. tremuloides Michx.) stands in southern Sweden // Forestry. 2005. Vol. 78, No. 3. P. 285–295.
Bungart, R., Hüttl, R. F. Production of biomass for energy in post-mining landscapes and nutrient dynamics // Biomass and Bioenergy. 2001. Vol. 20, No. 3. P. 181–187.
doi:10.1016/S0961-9534(00)00078-7
Casselman, C. N., Fox, T. R., Burger, J. A., Jones, A. T., Galbraith, J. M. Effects of silvicultural treatments on survival and growth of trees planted on reclaimed mine lands in the Appalachians // For. Ecol. Manage. 2006. Vol. 223, No. 1–3. P. 403–414.
doi:10.1016/j.foreco.2005.12.020
Tullus, H. Guidelines for fast-growing forest plantations as an alternative
land use. 2005. http://www.agri.ee/public/juurkataloog/MAAELU/lisa_001.pdf (5.02.2008) [in Estonian].
Tullus, A., Tullus, H., Vares, A., Kanal, A. Early growth of hybrid aspen (Populus × wettsteinii Hämet-Ahti) plantations on former agricultural lands in Estonia // For. Ecol. Manage. 2007. Vol. 245, No. 1–3. P. 118–129.
doi:10.1016/j.foreco.2007.04.006
Bradshaw, A. D. Restoration of mined lands – using natural processes // Ecol. Engineering. 1997. Vol. 8, No. 4. P. 255–269.
doi:10.1016/S0925-8574(97)00022-0
Reintam, L. Changes in the texture and exchange properties of skeletal quarry detritus under forest during thirty years // Proc. Estonian Acad. Sci. Biol. Ecol. 2001. Vol. 50, No. 1. P. 5–13.
Reintam, L. Rehabilited quarry detritus as parent material for current pedogenesis // Oil Shale. 2004. Vol. 21, No. 3. P. 183–193.
Reintam, L., Kaar, E., Rooma, I. Development of soil organic matter under pine on quarry detritus of open-cast oil-shale mining // For. Ecol. Manage. 2002. Vol. 171, No. 1–2. P. 191–198.
doi:10.1016/S0378-1127(02)00472-3
Reintam, L., Kaar, E. Natural and man-made afforestation of sandy-textured quarry detritus of open-cast oil-shale mining // Baltic Forestry. 2002. Vol. 8, No. 1. P. 57–62.
Laasimer, L. Occupation of levelled oil-shale pits by plants // Forestry Studies. 1973. Vol. 10. P. 168–185 [in Estonian with English summary].
Raid, L. Über den Wasserhaushalt der obrigen Bodenschichten der eingeebneten Kippen der Brennschiefertagebaue // Forestry Studies. 1972. Vol. 9. P. 159–171 [in Estonian with German and Russian summaries].
Dobson, A. P., Bradshaw, A. D., Baker, A. J. M. Hopes for the future: restoration ecology and conservation biology // Science. 1997. Vol. 277, No. 5325. P. 515–522.
Leedu, E., Murdam, L. The recultivation of Estonian open-cast oil-shale pits into fields and the microbiological state of stripped topsoil during its storage // J. Agric. Sci. 1996. Vol. 7, No. 4. P. 342–356.
Kitse, E., Leis, R. The range of available moisture, humus supply and yield potential of the Estonian arable soils // Transactions of Estonian Agricultural University. 1996. Vol. 187. P. 65–76.
WRB. World reference base for soil resources 2006. World soil resources report 103. Rome: Food and Agriculture Organization of the United Nations. 2006. 145 p.
Rooma, I., Kitse, E., Leedu. E. Technogenic field soils in Kohtla-Järve district. Application aspects of geography in agriculture. Tallinn-Saku: EMMTUI, ETA, GI, EGS. 1982. P. 18–25 [in Estonian].
Kukk, T., Kull, T. Atlas of the Estonian flora. – Tartu: Institute of Agricultural and Environmental Sciences of the Estonian University of Life Sciences, 2005. 528 p.
Ingerpuu, N., Vellak, K. Estonian bryoflora. – Tartu: EPMÜ ZBI, Eesti Loodusfoto, 1998.
Lindacher, R.PHANART. Datenbank der Gefässpflanzen Mitteleuropas. Erklärung der Kennzahlen, Aufbau und Inhalt. – Zürich: Geobotanisches. Inst. ETH, Stiftung Rübel 125, 1995. 436 S.
Krall, H., Kukk, T., Kull, T., Kuusk, V., Leht, M., Oja, T., Reier, Ü., Sepp, S., Zingel, H., Tuulik, T. Guidebook of Estonian Vascular Plants / M. Leht (ed.). – Tartu: 1999 [in Estonian].
StatSoft, Inc. STATISTICA (data analysis software system), version 7. 2004 [www.statsoft.com].
McCune, B., Mefford, M. J. Multivariate Analysis of Ecological Data. Version 4.0 - MjM Software, Gleneden Beach, Oregon, USA, 1999.
Hill, M. O. TWINSPAN – a FORTRAN program for arranging multivariate data in an ordered two-way table by classification of the individuals and attributes. - Cornell University, Ithaca, New York,1979.
Hill, M. O. DECORANA – a FORTRAN program for detrended correspondence analysis and reciprocal averaging. – Cornell University, Ithaca, New York, 1979.
Kaar, E. Über die Aufforstung von Ölschiefertagebauen // Forestry Studies. 1968. Vol. 6. P. 20–30 [in Estonian with German and Russian summaries].
Kaar, E., Lainoja, L., Luik, H., Raid, L., Vaus, M. Restoration of oil shale opencast mines. Ministry of Forestry and Nature Conservation of ESSR. 1971. 116 p. [in Estonian].
Piho. A. Potassium content and forms in soils of ESSR // Soil Science and Agrochemistry. Transactions of EMMTUI. 1967. Vol. 10. P. 110–122 [in Estonian].
Leedu, E., Murdam, L. The microbiological state of deposited calcareous humus soil foundation of open-cast oil-shale pits connected with soil nitrogen // Transactions of Estonian Agricultural University. 1996. Vol. 187. P. 77–86 [in Estonian with English summary].
Harley, J. L., Harley, E. L. A check-list of mycorrhiza in the British flora // New Phytol. 1987. Vol. 105 (Suppl). P. 1–102.
doi:10.1111/j.1469-8137.1987.tb00674.x
Lodge, D. J., Wentworth, T. R. Negative associations among VA-mycorrhizal fungi and some ectomycorrhizal fungi inhabiting the same root system // Oikos. 1990. Vol. 57, No. 3. P. 347–56.
Trémolières, M., Sánchez-Pérez, J. M., Schnitzler, A., Schmitt, D. Impact of river management history on the community structure, species composition and nutrient status in the Rhine alluvial hardwood forest // Plant Ecology. 1998. Vol. 135, No. 1. P. 59–78.
doi:10.1023/A:1009756428824
Singh, A. N., Zeng, D. H., Chen, F. S. Effect of young woody plantations on carbon amd nutrient accretion rates in a redeveloping soil on coalmine spoil in a dry tropical environment, India // Land Degradation & Development. 2006. Vol. 17, No. 1. P. 13–21.
doi:10.1002/ldr.690
Day, A. D., Tucker, T. C., Thames, J. L. Response of plant species to coal-mine soil materials // Environmental Geochemistry and Health. 1983. Vol. 5, No. 1. P. 10–14.
Reeder, J. D., Berg, W. A. Nitrogen mineralization and nitrification in a Cretaceous shale and coal mine spoils // Soil Sci. Soc. Am. J. 1977. Vol. 41, No. 5. P. 922–926.
Kaar, E. Beitrag zur Düngung der Waldkulturen auf den eingeebneten Kippen der Brennschiefertagebaue // Forestry Studies. 1972. Vol. 9. P. 146–158 [in Estonian with German and Russian summaries].
Kuznetsova, T., Mandre, M. Chemical and morphological indication of the state of lodgepole pine and Scots pine in restored oil shale opencast mining areas in Estonia // Oil Shale. 2006. Vol. 23, No. 4. P. 366–384.
Pensa, M., Sellin, A., Luud, A., Valgma, I. An analysis of vegetation restoration on opencast oil shale mines in Estonia // Restoration Ecol. 2004. Vol. 12, No. 2. P. 200–206.
doi:10.1111/j.1061-2971.2004.00323.x
Holl, K. D. Long-term vegetation recovery on reclaimed coal surface mines in the eastern USA // J. Appl. Ecol. 2002. Vol. 39, No. 6. P. 960–970.
doi:10.1046/j.1365-2664.2002.00767.x
Prach, K., Pysek, P., Smilauer, P. Changes in species traits during succession: a search for pattern // Oikos. 1997. Vol. 79, No. 1. P. 201–205.
Wiegleb, G., Felinks, B. Predictability of early stages of primary succession in post-mining landscapes of Lower Lusatia, Germany // Applied Veget. Sci. 2001. Vol. 4. P. 5–18.
Toomik, A., Liblik, V. Oil shale mining and processing impact on landscapes in north-east Estonia // Landscape and Urban Planning. 1998. Vol. 41, No. 3–4. P. 285–292.
doi:10.1016/S0169-2046(98)00066-8
