Effects of two different thinning methods on the diameter and basal area increments of silver lime (Tilia tomentosa Moench) target trees in Fruška Gora (Serbia)
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This paper analyses the cumulative effects of selective thinning and
thinning from below on diameter and basal area increments of target trees after
25/26 years in 52, 69- and 86-year-old silver lime (Tilia tomentosa Moench)
stands. Two target tree collectives were analysed: (1) elite trees selected between
1993–1994 from permanent sampling plots (selective thinning method), and
(2) a ‘comparable collective’ of target trees selected in 2019 (25/26 years later)
according to the same criteria as the elite trees, in the same stands thinned from
below. Elite trees that were selectively thinned had: higher diameter, basal area
and volume per tree, higher diameter and basal area increment for a given time
period, and lower slenderness coefficients compared to the target trees that were
thinned from below at 52 and 69 yr. While diameter increment decreases with age,
and differences between elite trees of different ages are clearly delineated, diameter
increments of trees thinned f...rom below are not significantly different at 52 and
69 yr. In addition, basal area increment of trees is highest at 69 yr with selective
thinning. When thinning from below, there were no significant differences in basal
area increments between trees at 69 and 86 yr. Silver lime shows a strong growth
response after selective thinning at ages 25/26 and 44 yr. However, our results
show that this response is less pronounced when selective thinning begins at 61 yr.
Keywords:
silviculture / selective thinning / thinning from below / diameter increment / basal area incrementSource:
Annals of Forest Research, 2022, 65, 2, 3-14Publisher:
- ICAS
Funding / projects:
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200169 (University of Belgrade, Faculty of Forestry) (RS-200169)
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200197 (Institute of Lowland Forestry and Environment, Novi Sad) (RS-200197)
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200053 (University of Belgrade, Institute for Multidisciplinary Research) (RS-200053)
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Institut za multidisciplinarna istraživanjaTY - JOUR AU - Šušić, Nikola AU - Bobinac, Martin AU - Andrašev, Siniša PY - 2022 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/1793 AB - This paper analyses the cumulative effects of selective thinning and thinning from below on diameter and basal area increments of target trees after 25/26 years in 52, 69- and 86-year-old silver lime (Tilia tomentosa Moench) stands. Two target tree collectives were analysed: (1) elite trees selected between 1993–1994 from permanent sampling plots (selective thinning method), and (2) a ‘comparable collective’ of target trees selected in 2019 (25/26 years later) according to the same criteria as the elite trees, in the same stands thinned from below. Elite trees that were selectively thinned had: higher diameter, basal area and volume per tree, higher diameter and basal area increment for a given time period, and lower slenderness coefficients compared to the target trees that were thinned from below at 52 and 69 yr. While diameter increment decreases with age, and differences between elite trees of different ages are clearly delineated, diameter increments of trees thinned from below are not significantly different at 52 and 69 yr. In addition, basal area increment of trees is highest at 69 yr with selective thinning. When thinning from below, there were no significant differences in basal area increments between trees at 69 and 86 yr. Silver lime shows a strong growth response after selective thinning at ages 25/26 and 44 yr. However, our results show that this response is less pronounced when selective thinning begins at 61 yr. PB - ICAS T2 - Annals of Forest Research T1 - Effects of two different thinning methods on the diameter and basal area increments of silver lime (Tilia tomentosa Moench) target trees in Fruška Gora (Serbia) EP - 14 IS - 2 SP - 3 VL - 65 DO - 10.15287/afr.2022.2392 ER -
@article{ author = "Šušić, Nikola and Bobinac, Martin and Andrašev, Siniša", year = "2022", abstract = "This paper analyses the cumulative effects of selective thinning and thinning from below on diameter and basal area increments of target trees after 25/26 years in 52, 69- and 86-year-old silver lime (Tilia tomentosa Moench) stands. Two target tree collectives were analysed: (1) elite trees selected between 1993–1994 from permanent sampling plots (selective thinning method), and (2) a ‘comparable collective’ of target trees selected in 2019 (25/26 years later) according to the same criteria as the elite trees, in the same stands thinned from below. Elite trees that were selectively thinned had: higher diameter, basal area and volume per tree, higher diameter and basal area increment for a given time period, and lower slenderness coefficients compared to the target trees that were thinned from below at 52 and 69 yr. While diameter increment decreases with age, and differences between elite trees of different ages are clearly delineated, diameter increments of trees thinned from below are not significantly different at 52 and 69 yr. In addition, basal area increment of trees is highest at 69 yr with selective thinning. When thinning from below, there were no significant differences in basal area increments between trees at 69 and 86 yr. Silver lime shows a strong growth response after selective thinning at ages 25/26 and 44 yr. However, our results show that this response is less pronounced when selective thinning begins at 61 yr.", publisher = "ICAS", journal = "Annals of Forest Research", title = "Effects of two different thinning methods on the diameter and basal area increments of silver lime (Tilia tomentosa Moench) target trees in Fruška Gora (Serbia)", pages = "14-3", number = "2", volume = "65", doi = "10.15287/afr.2022.2392" }
Šušić, N., Bobinac, M.,& Andrašev, S.. (2022). Effects of two different thinning methods on the diameter and basal area increments of silver lime (Tilia tomentosa Moench) target trees in Fruška Gora (Serbia). in Annals of Forest Research ICAS., 65(2), 3-14. https://doi.org/10.15287/afr.2022.2392
Šušić N, Bobinac M, Andrašev S. Effects of two different thinning methods on the diameter and basal area increments of silver lime (Tilia tomentosa Moench) target trees in Fruška Gora (Serbia). in Annals of Forest Research. 2022;65(2):3-14. doi:10.15287/afr.2022.2392 .
Šušić, Nikola, Bobinac, Martin, Andrašev, Siniša, "Effects of two different thinning methods on the diameter and basal area increments of silver lime (Tilia tomentosa Moench) target trees in Fruška Gora (Serbia)" in Annals of Forest Research, 65, no. 2 (2022):3-14, https://doi.org/10.15287/afr.2022.2392 . .