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INFLUENCE OF PRECOMMERCIAL THINNING ON GROWTH PARAMETERS IN Fraxinus angustifolia Vahl. PLANTATIONS

Year 2021, Volume: 5 Issue: 2, 339 - 351, 31.10.2021
https://doi.org/10.32328/turkjforsci.883791

Abstract

The aim of this study is to reveal the effects of two different precommercial thinnings on diameter at breast height, basal area and volume increments in narrow-leafed ash (Fraxinus angustifolia Vahl.) plantations established in Sinop, Turkey. Two different precommercial thinnings were applied in the sample plots selected from narrow-leafed ash plantation, and in the first precommercial thinning (I1), the ash individuals grown as a result of planting were left in the field and measured. Naturally grown ash individuals in the next process, on the other hand, were cut and removed from the field, and the distance established by planting in this way (approximately 2 x 2 m) was tried to be maintained. In the second precommercial thinning (I2), the ash individuals grown naturally after planting were left in the field and measured together with the ash individuals grown with planting. Release cuttings at sample plots started in 2004 and the first measurement was carried out this year. Then, at the end of the 2007 growth period, the diameters at breast height of the trees were obtained and evaluations were made depending on the three-year increment results. As a result of the analysis of covariance for diameter at breast height, basal area and volume increments for three years (2004-2007), it was revealed that there were statistically significant differences between the treatments at 99% confidence level. It was determined that the three-year diameter at breast height increments of I1 and I2 treatments in the sample plots were 1.51 cm and 0.65 cm, respectively. Regarding the basal area increment, it was determined that increments of 10.31 m2ha-1 in the I1 treatment and 3.36 m2ha-1 in the I2 treatment were found. In terms of total volume increment, I1 treatment with an increment value of 93.01 m3ha-1 had a much higher increment value compared to the I2 treatment (24.27 m3ha-1). In the study, it has been revealed that removing the individuals naturally grown in the planting area in the next process and providing again 2 x 2 m distance between the trees has a significant effect on both the increase in the values of diameter at breast height increment and the values of the total basal area and volume increments per hectare.

References

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Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ

Year 2021, Volume: 5 Issue: 2, 339 - 351, 31.10.2021
https://doi.org/10.32328/turkjforsci.883791

Abstract

Bu çalışmada, Sinop yöresinde tesis edilen dar yapraklı dişbudak plantasyonlarında iki farklı sıklık bakımı müdahalesinin çap, göğüs yüzeyi ve hacim artımı üzerindeki etkilerinin ortaya koyulması amaçlanmıştır. Dar yapraklı dişbudak plantasyonundan seçilen deneme alanlarında iki farklı sıklık bakımı müdahalesi uygulanmıştır. İlk sıklık bakımı müdahalesinde (İ1), dikimle gelen dişbudak bireyleri alanda bırakılmış ve ölçülmüştür. Sonradan doğal olarak gelen dişbudak bireyleri ise kesilerek alandan uzaklaştırılmış ve bu şekilde dikimle kurulan aralık mesafe (yaklaşık 2x2 m) korunmaya çalışılmıştır. İkinci sıklık bakımı müdahalesinde (İ2), dikimden sonra doğal olarak gelen dişbudak bireyleri alanda bırakılmış ve dikimle gelen dişbudaklarla birlikte ölçülmüştür. Deneme alanlarında ayıklama müdahalelerine 2004 yılında başlanmış olup ilk ölçüm bu yılda gerçekleştirilmiştir. Daha sonra 2007 yılı gelişme dönemi sonunda ağaçların çap değerleri elde edilerek, üç yıllık artım sonuçlarına bağlı olarak değerlendirmeler yapılmıştır. Üç yıllık (2004-2007 yılı) çap, göğüs yüzeyi ve hacim artımına ilişkin kovaryans analizi sonucunda işlemler arasında %99 güven düzeyinde istatistiksel olarak anlamlı farklılıklar olduğu ortaya koyulmuştur. Deneme alanlarında İ1 ve İ2 işlemlerinin üç yıllık çap artım değerlerinin sırasıyla 1,51 cm ve 0,65 cm olduğu belirlenmiştir. Göğüs yüzeyi artımına ilişkin olarak İ1 işleminde 10,31 m2ha-1, İ2 işleminde ise 3,36 m2ha-1 değerinde bir artımın meydana geldiği tespit edilmiştir. Toplam hacim artımı bakımından da İ1 işlemi 93,01 m3ha-1 artım değeri ile İ2 işlemine (24,27 m3ha-1) göre oldukça yüksek bir artım değerine sahip olmuştur. Yapılan çalışmada dikim alanına sonradan doğal yolla gelen bireylerin alandan uzaklaştırılarak ve ağaçlar arasında 2 x 2 m dikim aralık mesafesinin tekrardan sağlanmasının, gerek çapı artımı, gerekse hektardaki toplam göğüs yüzeyi ve hacim artımı değerlerinin artması yönünde önemli etkiye sahip olduğu ortaya koyulmuştur.

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  • Bayar, E. & Deligoz, A. (2019a) Effects of precommercial thinning on growth parameters in Pinus nigra Arn. subsp. pallasiana (Lamb.) Holmboe stand. Journal of Forestry Research, https://doi.org/10.1007/s11676-019-00992-z
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  • Çiçek, E. (2004) Dar yapraklı dişbudak (Fraxinus angustifolia Vahl.) plantasyonlarında bazı meşcere özelliklerinin silvikültürel yönden değerlendirilmesi. G.Ü. Kastamonu Orman Fak. Derg., 4(2), 205-219.
  • Çiçek, E., Yılmaz, F., Özbayram, A. K., & Çetin, B. (2010) Aralamanın dişbudak (Fraxinus angustifolia ssp. oxycarpa) plantasyonunun gelişimine etkisi. III. Ulusal Karadeniz Ormancılık Kongresi, Artvin, 886-894.
  • Çiçek, E., Yılmaz. F., Özbayram, A. K. & Çitgez, T. (2012) Effect of thinning intensity and crown class on narrowleaved ash (Fraxinus angustifolia Vahl.) Epicormic Branching. Artvin Çoruh Univ J For Fac, 13, 40–48
  • Cicek, E., Yilmaz, F., Özbayram, A. K., Efe, M., Yilmaz M. & Usta, A. (2013) Effects of thinning intensity on the growth of narrow- leaved ash (Fraxinus angustifolia subsp. oxycarpa) plantations, Turk J Agric For, 37(1), 97-104.
  • Clatterbuck, W. K. (2002) Growth of a 30-year cherrybark oak plantation 6 years after thinning, In: K.W. Outcalt (ed), Proceedings of the Eleventh Biennial Southern Silvicultural Research Conference, Gen. Tech. Rep. SRS-48, USDA Forest Service, 189-192, Asheville, NC, USA.
  • Danusevicius, D., Kerpauskaite, V., Kavaliauskas, D., Fussi, B., Konnert, M. & Baliuckas, V. (2016) The effect of tending and commercial thinning on the genetic diversity of Scots Pine stands. Eur J For Res, 135, 1159–1174.
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  • Dobrowolska, D., Hein, S., Oosterbaan, A., Wagner, S., Clark, J. & Skovsgaard, J. P. (2011) A review of European ash (Fraxinus excelsior L.): implications for silviculture. Forestry, 84(2), 133-148.
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  • Eler, Ü., Özçelik, R., Özdemir, İ. & Çatal, Y. (2004) Effects of delayedrelease cutting on the development of two young natural Taurus cedar (Cedrus libani A. Rich.) stands in the lakes district. Suleyman Demirel Univ J Nat Appl Sci, 8(1), 1–6.
  • Erkan, N., Aydın, A. C. & Eler, Ü. (2017) Thinning-growth relationships in Pinus brutia Ten. plantations in South Western part of Turkey. Journal of Forestry Research, 4(2), 90-99.
  • Fahlvik, N., Berglund, M., Holmström, H. & Nilsson, U. (2018) Simulation of the long-term effects of different strategies for precommercial thinning in Pinus sylvestris. Scandinavian Journal of Forest Research, 33(4), 347-356.
  • Fahlvik, N., Ekö, P. M. & Pettersson, N. (2005) Influence of precommercial thinning grade on branch diameter and crown ratio in Pinus sylvestris in southern Sweden. Scandinavian Journal of Forest Research, 20(3), 243-251.
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There are 64 citations in total.

Details

Primary Language Turkish
Subjects Forest Industry Engineering
Journal Section Research Article
Authors

Deniz Güney 0000-0001-7222-6162

Fahrettin Atar 0000-0003-4594-8148

İbrahim Turna 0000-0003-4408-1327

Ali Bayraktar 0000-0002-8420-7089

Alkan Gunlu 0000-0003-4759-3125

Publication Date October 31, 2021
Published in Issue Year 2021 Volume: 5 Issue: 2

Cite

APA Güney, D., Atar, F., Turna, İ., Bayraktar, A., et al. (2021). Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ. Turkish Journal of Forest Science, 5(2), 339-351. https://doi.org/10.32328/turkjforsci.883791
AMA Güney D, Atar F, Turna İ, Bayraktar A, Gunlu A. Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ. Turk J For Sci. October 2021;5(2):339-351. doi:10.32328/turkjforsci.883791
Chicago Güney, Deniz, Fahrettin Atar, İbrahim Turna, Ali Bayraktar, and Alkan Gunlu. “Fraxinus Angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ”. Turkish Journal of Forest Science 5, no. 2 (October 2021): 339-51. https://doi.org/10.32328/turkjforsci.883791.
EndNote Güney D, Atar F, Turna İ, Bayraktar A, Gunlu A (October 1, 2021) Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ. Turkish Journal of Forest Science 5 2 339–351.
IEEE D. Güney, F. Atar, İ. Turna, A. Bayraktar, and A. Gunlu, “Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ”, Turk J For Sci, vol. 5, no. 2, pp. 339–351, 2021, doi: 10.32328/turkjforsci.883791.
ISNAD Güney, Deniz et al. “Fraxinus Angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ”. Turkish Journal of Forest Science 5/2 (October 2021), 339-351. https://doi.org/10.32328/turkjforsci.883791.
JAMA Güney D, Atar F, Turna İ, Bayraktar A, Gunlu A. Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ. Turk J For Sci. 2021;5:339–351.
MLA Güney, Deniz et al. “Fraxinus Angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ”. Turkish Journal of Forest Science, vol. 5, no. 2, 2021, pp. 339-51, doi:10.32328/turkjforsci.883791.
Vancouver Güney D, Atar F, Turna İ, Bayraktar A, Gunlu A. Fraxinus angustifolia Vahl. PLANTASYONLARINDA BÜYÜME PARAMETRELERİ ÜZERİNE SIKLIK BAKIMININ ETKİSİ. Turk J For Sci. 2021;5(2):339-51.