Aphalo P.J., Schoettle A. W., Letho T. (2002): Leaf lifespan and the mobility of „non-mobile“ mineral nutrients – the case of boron in conifers. Silva Fennica, 34: 671–680.Augustin Sabine, Stephanowitz Heike, Wolff Barbara, Schröder Jörg, Hoffmann Erwin (2005): Manganese in tree rings of Norway spruce as an indicator for soil chemical changes in the past. European Journal of Forest Research, 124, 313-318  https://doi.org/10.1007/s10342-005-0084-4Bauer G., Schulze E.-D., Mund M. (1997): Nutrient contents and concentrations in relation to growth of Picea abies and Fagus sylvatica along a European transect. Tree Physiology, 17, 777-786  https://doi.org/10.1093/treephys/17.12.777 Culek M., Bínová L., Buchar J., Faltys V. (1996): Biogeografické členění České republiky. Enigma, Praha: 348. Fiala P., Reininger D., Samek T., Němec P., Sušil A. (2013): Survey of Forest Nutrition within the Czech Republic 1996–2011. CISTA, Brno: 148.Fernández-Martínez M., Vicca S., Janssens I. A., Sardans J., Luyssaert S., Campioli M., Chapin III F. S., Ciais P., Malhi Y., Obersteiner M., Papale D., Piao S. L., Reichstein M., Rodà F., Peñuelas J. (2014): Nutrient availability as the key regulator of global forest carbon balance. Nature Climate Change, 4, 471-476  https://doi.org/10.1038/nclimate2177Fischer Richard, Mues Volker, Ulrich Erwin, Becher Georg, Lorenz Martin (2007): Monitoring of atmospheric deposition in European forests and an overview on its implication on forest condition. Applied Geochemistry, 22, 1129-1139  https://doi.org/10.1016/j.apgeochem.2007.03.004 Fürst A. (2009): Forest Foliar Coordinating Centre (FFCC). Available at http://www.ffcc.at/ (accessed Oct 20, 2015) Göttlein A., Heim A., Matzner E. (1999): Mobilization of aluminium in the rhizosphere soil solution of growing tree roots in an acidic soil. Plant and Soil, 211: 41–49. https://doi.org/10.1023/A:1004332916188Guo Wanli, Nazim Hussain, Liang Zongsuo, Yang Dongfeng (2016): Magnesium deficiency in plants: An urgent problem. The Crop Journal, 4, 83-91  https://doi.org/10.1016/j.cj.2015.11.003 Harley A.D., Gilkes R.J. (2000): Factors influencing the release of plant nutrient elements from silicate rock powders: a geochemical overview. Nutrient Cycling in Agroecosystems, 56: 11–36. https://doi.org/10.1023/A:1009859309453Hermans Christian, Verbruggen Nathalie (2005): Physiological characterization of Mg deficiency in Arabidopsis thaliana. Journal of Experimental Botany, 56, 2153-2161  https://doi.org/10.1093/jxb/eri215Huntington T.G., Hooper R.P., Johnson C.E., Aulenbach B.T., Cappellato R., Blum A.E. (2000): Calcium Depletion in a Southeastern United States Forest Ecosystem. Soil Science Society of America Journal, 64, 1845-  https://doi.org/10.2136/sssaj2000.6451845xHüttl Reinhard F, Schneider Bernd Uwe (1998): Forest ecosystem degradation and rehabilitation. Ecological Engineering, 10, 19-31  https://doi.org/10.1016/S0925-8574(97)10023-4 Jenny H. (1941): Factors of Soil Formation: A System of Quantitative Pedology. New York, Dova Publications: 281.Jonard Mathieu, Fürst Alfred, Verstraeten Arne, Thimonier Anne, Timmermann Volkmar, Potočić Nenad, Waldner Peter, Benham Sue, Hansen Karin, Merilä Päivi, Ponette Quentin, de la Cruz Ana C, Roskams Peter, Nicolas Manuel, Croisé Luc, Ingerslev Morten, Matteucci Giorgio, Decinti Bruno, Bascietto Marco, Rautio Pasi (2015): Tree mineral nutrition is deteriorating in Europe. Global Change Biology, 21, 418-430  https://doi.org/10.1111/gcb.12657Kandler Otto, Innes John L. (1995): Air pollution and forest decline in Central Europe. Environmental Pollution, 90, 171-180  https://doi.org/10.1016/0269-7491(95)00006-DLang Friederike, Bauhus Jürgen, Frossard Emmanuel, George Eckhard, Kaiser Klaus, Kaupenjohann Martin, Krüger Jaane, Matzner Egbert, Polle Andrea, Prietzel Jörg, Rennenberg Heinz, Wellbrock Nicole (2016): Phosphorus in forest ecosystems: New insights from an ecosystem nutrition perspective. Journal of Plant Nutrition and Soil Science, 179, 129-135  https://doi.org/10.1002/jpln.201500541Langusch Jens-Johann, Borken Werner, Armbruster Martin, Dise Nancy B., Matzner Egbert (): Canopy leaching of cations in Central European forest ecosystems – a regional assessment. Journal of Plant Nutrition and Soil Science, 166, 168-174  https://doi.org/10.1002/jpln.200390024LAMBERS H, RAVEN J, SHAVER G, SMITH S (2008): Plant nutrient-acquisition strategies change with soil age. Trends in Ecology & Evolution, 23, 95-103  https://doi.org/10.1016/j.tree.2007.10.008 Legrand P. (2003): Carence en bore de jeunes plantations de Cèdre de l´Atlas dans le Massif Central, Revue Forestière, LV: 123–128.Manning David A.C. (2010): Mineral sources of potassium for plant nutrition. A review. Agronomy for Sustainable Development, 30, 281-294  https://doi.org/10.1051/agro/2009023 Marschner H. (1995): Mineral Nutrition of Higher Plants. London, Academic Press: 889.Mellert Karl Heinz, Göttlein Axel (2012): Comparison of new foliar nutrient thresholds derived from van den Burg’s literature compilation with established central European references. European Journal of Forest Research, 131, 1461-1472  https://doi.org/10.1007/s10342-012-0615-8Peng Yuanying, Thomas Sean C., Tian Dalung (2008): Forest management and soil respiration: Implications for carbon sequestration. Environmental Reviews, 16, 93-111  https://doi.org/10.1139/A08-003 Průša E. (1990): Přirozené lesy České republiky. Prague, SZN: 248. Raben G., Andreae H., Meyer-Heisig M. (2000): Long-trem acid load and its consequences in forest ecosystems of Saxony (Germany). Water, Air and Soil Pollution, 122: 93–103. https://doi.org/10.1023/A:1005271117291 Rotter P., Šrámek V., Vácha R., Borůvka L., Fadrhonsová V., Sáňka M., Drábek O., Vortelová L. (2013): Rizikové prvky v lesních půdách. Zprávy lesnického výzkumu, 58: 17–27.Saarsalmi Anna, Tamminen Pekka (2005): Boron, phosphorus and nitrogen fertilization in Norway spruce stands suffering from growth disturbances. Silva Fennica, 39, -  https://doi.org/10.14214/sf.373Schnepf Andrea, Roose Tiina, Schweiger Peter (2008): Impact of growth and uptake patterns of arbuscular mycorrhizal fungi on plant phosphorus uptake—a modelling study. Plant and Soil, 312, 85-99  https://doi.org/10.1007/s11104-008-9749-3Thomas Frank M., Büttner Gerhard (1998): Nutrient relations in healthy and damaged stands of mature oaks on clayey soils: two case studies in northwestern Germany. Forest Ecology and Management, 108, 301-319  https://doi.org/10.1016/S0378-1127(98)00239-4 ÚHÚL (1999): Oblastní plán rozvoje lesů. Přírodní lesní oblast 11. Český les. Textová část, platnost 1999–2018. Brandýs nad Labem, pobočka Plzeň, ÚHÚL: 409. Available at: http://www.uhul.cz/images/ke_stazeni/oprl_oblasti/OPRL-LO11-Cesky_les.pdf Ulrich B. (1991): An ecosystem approach to soil acidification. In: Ulrich B., Summer M.E. (eds): Soil acidity. Berlin, Heidelberg, New York, Springer: 28–79.Viewegh J., Kusbach A., Mikeska M. (2012): Czech forest ecosystem classification. Journal of Forest Science, 49, 74-82  https://doi.org/10.17221/4682-JFSde Vries W., Dobbertin M. H., Solberg S., van Dobben H. F., Schaub M. (2014): Impacts of acid deposition, ozone exposure and weather conditions on forest ecosystems in Europe: an overview. Plant and Soil, 380, 1-45  https://doi.org/10.1007/s11104-014-2056-2 Wang J.G., Zhang F.S., Cao Y.P., Zhang X.L. (2000): Effect of plant types on release of mineral potassium from gneiss. Nutrient Cycling in Agroecosystems, 56: 37–44. https://doi.org/10.1023/A:1009826111929 White et al. (2012): Long-distance Transport in the Xylem and Phloem. In: Marschner H. (ed.): Mineral nutrition of higher plants. London, Academic Press: 49–70.Yang Nan, Zavišić Aljoša, Pena Rodica, Polle Andrea (2016): Phenology, photosynthesis, and phosphorus in European beech ( Fagus sylvatica L.) in two forest soils with contrasting P contents. Journal of Plant Nutrition and Soil Science, 179, 151-158  https://doi.org/10.1002/jpln.201500539 Zbíral J. (1994): Analýza rostlinného materiálu. Jednotné pracovní postupy. Brno, ÚKZÚZ: 80. Zbíral J., Honsa I., Malý S. (1997): Analýza půd III. Jednotné pracovní postupy. Brno, ÚKZÚZ: 150. Zhang J., George E. (2002): Changes in the extrability of cations (Ca, Mg and K) in the rhizosphere soil of Norway spruce (Picea abies) roots. Plant and Soil, 243: 209–217. https://doi.org/10.1023/A:1019915512072