Oak group planting produces a higher number of future crop trees, with better spatial distribution than row planting

Abstract: Recent studies have reported superior tree quality and comparable tree growth of oaks planted in group compared with row planting. However, a comparative assessment of the potential future crop trees (PFCTs) between group and row planting is still lacking. Here, we compared the density and tree quality of planted oaks and other naturally regenerated trees between group and row planting. We assessed whether the distribution of PFCTs fulfills the goal of maintaining a spatially homogenous distribution of such crop trees at the stand level by geospatial analysis. We selected 10 group and row planting stands that were either 14 to 15 or 21 to 22 years old. Tree density in group plantings was significantly higher than in row plantings. Stand basal area was higher in rowplanting in younger stands but comparable to group planting in older stands. The proportion of trees with straight stems and monopodial crowns was higher in groups than in rows. The density and species’ richness of the PFCTs was significantly higher but the number of oak PFCTs was lower in group than in row plantings. In group plantings, naturally regenerated PFCTs contributed to 43% of total PFCTs, but to only 19% in row plantings. Also, the spatial distribution of PFCTs in group plantings was more uniform than in row plantings. Uniform and homogeneous distribution of the PFCTs in group planting stands can facilitate design and conduct of tending operations. Thus, the group planting technique offers not only cost savings in the establishment phase but also additional benefits, including spreading of risks through increased tree species diversity

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch
Anmerkungen
Forests. 7(11) (2016), 289, DOI 10.3390/f7110289, issn: 1999-4907
IN COPYRIGHT http://rightsstatements.org/page/InC/1.0 rs

Klassifikation
Landwirtschaft, Veterinärmedizin

Ereignis
Veröffentlichung
(wo)
Freiburg
(wer)
Universität
(wann)
2016
Urheber
Beteiligte Personen und Organisationen
Fakultät für Umwelt und Natürliche Ressourcen
Professur für Waldbau
Albert-Ludwigs-Universität Freiburg

DOI
10.3390/f7110289
URN
urn:nbn:de:bsz:25-freidok-116673
Rechteinformation
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25.03.2025, 13:48 MEZ

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  • 2016

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