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Response of black alder (Alnus glutinosa (L.) Gaertn.) to selective thinning of various intensitiese : a half-century study in northeastern Slovenia = Odziv crne johe (Alnus glutinosa (L.) Gaertn.) na različite intenzitete selektivne prorjedee : pedesetgodišnja istraživanja u sjeveroistočnoj SlovenijiLendvai, Simon ; Diaci, Jurij ; Roženbergar, DušanPure black alder stands are specific and require adapted silvicultural models. To determine the best intensity of selective thinning in such stands, research plots were established in Polanski Log in ... 1967. Three thinning intensities were selected: control, moderate and high. These stands are presently in a mature phase. In 1967, 1973, 1979, 1983, 1993, 1998 and 2018 diameter at breast height was measured and social status, vitality, tendency, silvicultural role, crown length and overall qualitywere estimated. The differencesin black alderresponsesto thinning intensitieswere analysed and the results were compared with recommendations for selective high thinning and newer crop tree situational thinning models. Diameter increments were lower than expected regardless of thinning intensity. In moderately thinned plots and control plots diameterincrementwasthe same (0.33 cm/year); high intensity thinning plots showed higherincrement(0.37 cm/year). Dominant trees had slightly higherincrementregardless of thinning model. Compared to thinning models with a lower number of crop trees, density and basal area of studied stands were significantly higher and diameter increments lower. We attribute the small diameter increments and small differences among thinning modelsto insufficient intensity and partially to inconsistent thinning. The resultsindicate that thinning must be of higher intensity and the largest-diameter trees which display the best vigour, quality, tendency, and which have well formed, long crowns, must be promoted from the beginning.Vir: Šumarski list. - ISSN 0373-1332 (Vol. 144, iss. 7/8, 2020, str. 367-378)Vrsta gradiva - članek, sestavni delLeto - 2020Jezik - angleškiCOBISS.SI-ID - 30073859
Avtor
Lendvai, Simon |
Diaci, Jurij |
Roženbergar, Dušan
Teme
redčenje |
tradicionlani model izbiranja |
model situacijskega redčenja |
črna jelša |
Alnus glutinosa (L.) Gaertn. |
Slovenija |
black alder |
Alnus glutinosa (L.) Gaertn. |
thinning |
diameter increment |
traditional selection model |
situational thinning model |
Slovenia
Vnos na polico
Trajna povezava
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Lendvai, Simon | |
Diaci, Jurij | 11253 |
Roženbergar, Dušan | 21043 |
Vir: Osebne bibliografije
in: SICRIS
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