Basal area increment is unaffected by thinning intensity in young Eucalyptus dunnii and Corymbia variegata plantations across different quality sites

Glencross, Kevin S; Palmer, Graeme; Pelletier, Marie-Chantale; Nichols, J. Doland; Smith, Ben

doi:10.1016/j.foreco.2014.01.041

Cited by 3 publications

(2 citation statements)

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Section: Introductionmentioning

confidence: 99%

“…In fast-growing eucalypt plantations, intensity and timing of thinning have the most impact on product recovery (Smith and Brennan 2006;Glencross et al 2011;Cassidy et al 2012;Forrester et al 2013a). These studies demonstrate that thinning regimes may require between 1 to 5 thinning events at both early and later ages depending on sawlog specifications at harvest (Medhurst et al 2001;Kanninen et al 2004;Glencross et al 2011). In particular, early-age thinning has been shown to improve log size without increasing the vulnerability of a stand to windthrow as well maintain the benefits realised from high early growth rates across the rotation (Medhurst et al 2001;Smith and Brennan 2006;Cassidy et al 2012).…”

Section: Introductionmentioning

confidence: 99%

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Maximising growth and sawlog production from Acacia hybrid plantations in Vietnam

et al. 2019

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Management options to optimise sawlog production from Acacia hybrid (A. mangium × A. auriculiformis) combining thinning and fertiliser treatments were applied at six sites of varying resource availability across Vietnam. Stockings at planting varying from 2000 to 1111 trees ha-1 were thinned from 1333 to 450 trees ha-1 (representing 27 to 54% thinning %) at ages 2.0 to 5.6 years. Tree diameter (DBH) responses to thinning were greater in the south than in the north and south central regions. Application of fertiliser at thinning increased DBH and stand volume (SV), compared with the unfertilised treatment, regardless of thinning treatment. Early thinning (at age 2-3.6 years) to 450 or 600 trees ha-1 resulted in the greatest DBH for all diameter classes with a greater proportion of larger diameter logs. The 3-PG process-based model was applied to predict DBH and SV for all silvicultural treatments and ages. When thinning is conducted at 2-3.6 years after planting, the modelling showed that for medium and large-diameter sawlogs, the optimum rotation length is at least 5-7 years in the south and south central coast and 6-10 years in northern Vietnam.

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