{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T10:47:31Z","timestamp":1761648451888,"version":"build-2065373602"},"reference-count":25,"publisher":"Editorial CSIC","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["For. syst."],"abstract":"<jats:p>Aim of study: The study aims to evaluate the maximum potential stocking level in cork oak (Quercus suber L.) woodlands, using the ecologically-based size-density relationship of the self-thinning law.Area of study: The study area refers to cork oak forests in mainland Portugal, distributed along its 18 districts from north to south.Material and Methods: A dataset with a total of 2181 observations regarding pure cork oak stands was collected from the Portuguese Forest Inventory (NFI) databases and from research plots. The dataset was subjected to two filtering procedures, one more restrictive than the other, to select the stands presenting the higher stocking values. The two resulting subsets, with 116 and 36 observations, from 16 and 10 districts of mainland Portugal, respectively, were then used to assess and describe the allometric relationship between tree number and their mean diameter.Main results: The allometric relationship was analysed and modelled using the log transformed variables. A slightly curvilinear trend was identified. Thus, a straight line and a curve were both fitted for comparison purposes. Goodness-of-fit statistics point out for a good performance when the data is set to the uppermost observed stocking values. A self-thinning line for cork oak was projected from the estimated relationship.Research highlights: The self-thinning model can be used as an ecological approach to develop density guidelines for oak woodlands in a scenario of increasing cork demands. The results indicate that the recommendations being applied in Portugal are far below the maximal potential stocking values for the species. It is therefore of the utmost importance to review the traditional silvicultural guidelines and endorse new ones.<\/jats:p>","DOI":"10.5424\/fs\/2017261-10105","type":"journal-article","created":{"date-parts":[[2017,5,19]],"date-time":"2017-05-19T10:18:05Z","timestamp":1495189085000},"page":"e006","source":"Crossref","is-referenced-by-count":14,"title":["Self-thinning dynamics in cork oak woodlands: providing a baseline for managing density"],"prefix":"10.5424","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6269-3605","authenticated-orcid":false,"given":"Teresa","family":"Fonseca","sequence":"first","affiliation":[]},{"given":"Lu\u00edsa","family":"Monteiro","sequence":"additional","affiliation":[]},{"given":"Teresa","family":"Enes","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7494-6566","authenticated-orcid":false,"given":"Adelaide","family":"Cerveira","sequence":"additional","affiliation":[]}],"member":"2373","published-online":{"date-parts":[[2017,5,29]]},"reference":[{"issue":"7","key":"ref1","first-page":"819","article-title":"Model for Stand Density Management in Oban Forest Reserve. 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Ministerio de Agricultura, Pesca y Alimentaci\u00f3n. Serie Manuales T\u00e9cnicos S.E.A., Madrid, Spain. 267 pp."},{"key":"ref14","volume-title":"Classical and Modern Regression with Applications","author":"Myers","year":"1990","unstructured":"Myers RH, 1990. Classical and Modern Regression with Applications. 2nd Ed. PWS Publishers, USA. 359 pp."},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.3832\/ifor1624-008"},{"key":"ref16","article-title":"Florestas e Biodiversidade.","volume-title":"Altera\u00e7\u00f5es Clim\u00e1ticas em Portugal Cen\u00e1rios Impactos e Medidas de Adapta\u00e7\u00e3o Projecto SIAM II","author":"Pereira","year":"2006","unstructured":"Pereira JS, Correia AV, Correia AC, Ferreira MT, Onofre N, Freitas H, Godinho F, 2006. Florestas e Biodiversidade. In F. D. Santos e P. Miranda (Eds.) Altera\u00e7\u00f5es Clim\u00e1ticas em Portugal. Cen\u00e1rios, Impactos e Medidas de Adapta\u00e7\u00e3o. Projecto SIAM II. Gradiva. Lisboa, Portugal. 506 pp."},{"key":"ref17","first-page":"627","article-title":"Perfecting a stand-density index for even aged forests.","volume":"46","author":"Reineke","year":"1933","unstructured":"Reineke LH, 1933. Perfecting a stand-density index for even aged forests. J Agric Res 46: 627\u2013639.","journal-title":"J Agric Res","ISSN":"https:\/\/id.crossref.org\/issn\/0095-9758","issn-type":"print"},{"key":"ref18","first-page":"76","article-title":"Gest\u00e3o sustentada dos montados de sobro. Solu\u00e7\u00f5es de Engenharia Florestal para a gest\u00e3o adaptativa.","volume":"148","author":"Ribeiro","year":"2015","unstructured":"Ribeiro N, 2015. Gest\u00e3o sustentada dos montados de sobro. Solu\u00e7\u00f5es de Engenharia Florestal para a gest\u00e3o adaptativa. 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