{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T15:51:15Z","timestamp":1787241075335,"version":"build-2736575974"},"reference-count":66,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T00:00:00Z","timestamp":1724630400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Ministry of Agriculture of the Czech Republic","award":["MZE-RO0123"],"award-info":[{"award-number":["MZE-RO0123"]}]},{"name":"Ministry of Agriculture of the Czech Republic","award":["INTER-COST LUC23110"],"award-info":[{"award-number":["INTER-COST LUC23110"]}]},{"name":"Ministry of Education, Youth and Sports","award":["MZE-RO0123"],"award-info":[{"award-number":["MZE-RO0123"]}]},{"name":"Ministry of Education, Youth and Sports","award":["INTER-COST LUC23110"],"award-info":[{"award-number":["INTER-COST LUC23110"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>The Ore Mountains were historically one of the most polluted areas in Europe, where high sulphur dioxide concentrations and a high level of atmospheric deposition led to a vast decline in Norway spruce stands in the mountain ridge plateau. In this article, we evaluate the trends in the atmospheric deposition load, soil chemistry, tree nutrition, crown defoliation and height increment in a network of twenty research plots monitored for last thirty years in this region. The decrease in sulphur and nitrogen deposition was most pronounced at the end of 1990s. Extreme values of sulphur deposition (100\u2013200 kg.ha\u22121.year\u22121) were recorded in throughfall under mature Norway spruce stands in the late 1970s, and after felling of the damaged stand, the deposition levels were comparable to open plot bulk deposition. Nitrogen deposition decreased more slowly compared with sulphur, and a decrease in base cation deposition was observed concurrently. The current deposition load is low and fully comparable to other mountain areas in central Europe. Accordingly, the health of young spruce stands, as assessed by defoliation and height increment, has improved and now corresponds to the Czech national average. On the other hand, no significant changes were observed in the soil chemistry, even though some of the plots were limed. Acidic or strongly acidic soil prevails, often with a deficiency of exchangeable calcium and magnesium in the mineral topsoil, as well as decreases in available phosphorus. This is reflected in the foliage chemistry, where we see an imbalance between a relatively high content of nitrogen and decreasing contents of phosphorus, potassium and calcium. Despite the observed positive trends in air quality and forest health, the nutritional imbalance on acidified soils poses a risk for the future of forest stands in the region.<\/jats:p>","DOI":"10.3390\/plants13172379","type":"journal-article","created":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T07:53:37Z","timestamp":1724658817000},"page":"2379","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Long-Term Monitored Norway Spruce Plots in the Ore Mountains\u201430 Years of Changes in Forest Health, Soil Chemistry and Tree Nutrition after Air Pollution Calamity"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2305-3538","authenticated-orcid":false,"given":"Radek","family":"Novotn\u00fd","sequence":"first","affiliation":[{"name":"Forestry and Game Management Research Institute (FGMRI), Department of Forest Ecology, Strnady 136, 25202 J\u00edlovi\u0161t\u011b, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V\u011bra","family":"Fadrhonsov\u00e1","sequence":"additional","affiliation":[{"name":"Forestry and Game Management Research Institute (FGMRI), Department of Forest Ecology, Strnady 136, 25202 J\u00edlovi\u0161t\u011b, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0655-2872","authenticated-orcid":false,"given":"V\u00edt","family":"\u0160r\u00e1mek","sequence":"additional","affiliation":[{"name":"Forestry and Game Management Research Institute (FGMRI), Department of Forest Ecology, Strnady 136, 25202 J\u00edlovi\u0161t\u011b, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,26]]},"reference":[{"key":"ref_1","unstructured":"Lomsk\u00fd, B., Materna, J., and Pfanz, H. 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