{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T01:21:02Z","timestamp":1777771262320,"version":"3.51.4"},"reference-count":22,"publisher":"Walter de Gruyter GmbH","issue":"4","license":[{"start":{"date-parts":[[2021,8,1]],"date-time":"2021-08-01T00:00:00Z","timestamp":1627776000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Climate forecasts indicate that in the future the climate will become more and more suitable for growth of broad-leaved tree species in Latvia. It is therefore very important to recognise and understand the growth potential of these broad-leaved stands in Latvia and the factors affecting the increment of growing stock. The results of the study showed high volume yield, as already 60- to 80-year-old stand stock could reach 500\u2013600 m\n                    <jats:sup>3<\/jats:sup>\n                    \u00b7ha\n                    <jats:sup>-1<\/jats:sup>\n                    , and in later years even 700\u20131000 m\n                    <jats:sup>3<\/jats:sup>\n                    \u00b7ha\n                    <jats:sup>-1<\/jats:sup>\n                    . Similarly, the results of our study showed that the increment of the stock and growth potential of individual forest elements varied significantly between the various broad-leaved species. Significant factors were the age of the forest stand or forest element (a set of trees of the same species, in one layer and belonging to one generation), the indicators of competition (basal area and\/or relative density) and the indicators of the social status of the forest element, namely, the ratio of the mean diameter of the forest element and the mean diameter of the dominant species of the upper layer of the stand and the sum of the basal area of the larger forest elements). No significant differences were found in growing stock and growth potential between monospecies and mixed stands and between simple and complex stands, neither at the level of the stands, nor at the level of the individual forest element.\n                  <\/jats:p>","DOI":"10.2478\/prolas-2021-0036","type":"journal-article","created":{"date-parts":[[2021,9,14]],"date-time":"2021-09-14T17:03:01Z","timestamp":1631638981000},"page":"239-247","source":"Crossref","is-referenced-by-count":2,"title":["Deciduous Broad-Leaved Species (\n                    <i>Quercus Robur, Tilia Cordata, Acer Platanoides<\/i>\n                    and\n                    <i>Ulmus Laevis<\/i>\n                    ) Forest Stand Productivity in Latvia"],"prefix":"10.2478","volume":"75","author":[{"given":"Guntars","family":"\u0160\u0146epsts","sequence":"first","affiliation":[{"name":"Latvian State Forest Research Institute \u201cSilava\u201d, 111 R\u012bga Str., Salaspils, LV-2169 , Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J\u0101nis","family":"Donis","sequence":"additional","affiliation":[{"name":"Latvian State Forest Research Institute \u201cSilava\u201d, 111 R\u012bga Str., Salaspils, LV-2169 , Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D\u0101rta","family":"Kaupe","sequence":"additional","affiliation":[{"name":"Latvian State Forest Research Institute \u201cSilava\u201d, 111 R\u012bga Str., Salaspils, LV-2169 , Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M\u0101ris","family":"Laivi\u0146\u0161","sequence":"additional","affiliation":[{"name":"Latvian State Forest Research Institute \u201cSilava\u201d, 111 R\u012bga Str., Salaspils, LV-2169 , Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2021,9,13]]},"reference":[{"key":"2026042907575191891_j_prolas-2021-0036_ref_001","unstructured":"Daugaviete, M., Lazdi\u0146a, D., Bambe, B., Bardule, A., Bardulis, A., Daugavietis, U. (2015). Productivity of different tree species in plantations on agricultural soils and related environmental impacts. Baltic Forestry, 21 (2), 349\u2013358."},{"key":"2026042907575191891_j_prolas-2021-0036_ref_002","unstructured":"Daugaviete, M., Lazdina, D., Celma, S., Daugavietis, U. (2019). Characteristic growing parameters of small-leaved lime and Norway maple stands in the climatic conditions of Latvia. Acta Biol. Univ. Daugavp., 19 (2), 115\u2013128."},{"key":"2026042907575191891_j_prolas-2021-0036_ref_003","doi-asserted-by":"crossref","unstructured":"De Jaegere, T., Hein, S., Claessens, H. (2016). A review of the characteristics of small-leaved lime (Tilia cordata Mill.\n) and their implications for silviculture in a changing climate. Forests, 7 (3), 56.","DOI":"10.3390\/f7030056"},{"key":"2026042907575191891_j_prolas-2021-0036_ref_004","unstructured":"Donis, J. (2015). Me\u017eaud\u017eu aug\u0161anas gaitas un pieauguma noteik\u0161ana, izmantojot p\u0101rm\u0113r\u012btos me\u017ea statistisk\u0101s inventariz\u0101cijas datus [Determining the growth and increment of forest stands using the measured national forest inventory data]. Scientific research report. 75 pp. (in Latvian). http:\/\/www.silava.lv\/userfiles\/file\/Projektu%20parskati\/2015_Donis_LVM_gala.pdf"},{"key":"2026042907575191891_j_prolas-2021-0036_ref_005","unstructured":"Donis, J., \u0160\u0146epsts, G. (2019). Nov\u0113loti koptu vienvecuma eg\u013cu aud\u017eu apsaimnieko\u0161anas alternat\u012bvas un to ekonomiskais izv\u0113rt\u0113jums [Management alternatives of even-aged spruce stands with delayed thinning and their economic assessment]. Gr\u0101m.: Jansons, J. (ed.). Vienvecuma eg\u013cu me\u017ei Latvij\u0101 [Even-aged spruce stands in Latvia]. Latvijas Valsts me\u017ezin\u0101tnes instit\u016bts \u201cSilava\u201d [Latvian State Forest Research Institute \u201cSilava\u201d], Salaspils, pp. 71\u201398 (in Latvian)."},{"key":"2026042907575191891_j_prolas-2021-0036_ref_006","unstructured":"Donis, J., \u0160\u0146epsts, G., Zdors, L., Treimane, A. (2019). Aug\u0161anas gaitas mode\u013cu pilnveido\u0161ana [Improvement of the growth models]. Scientific research report. 61 pp. (in Latvian). https:\/\/www.lvm.lv\/petijumi-un-publikacijas\/augsanas-gaitas-modelu-pilnveidosana"},{"key":"2026042907575191891_j_prolas-2021-0036_ref_007","doi-asserted-by":"crossref","unstructured":"Dobrovolny, L., Martinik, A., Drvodelic, D., Or\u0161ani\u010d, M. (2017). Structure, yield and acorn production of oak (Quercus robur L.\n) dominated floodplain forests in the Czech Republic and Croatia. 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