Effects of harvest restraint periods and fluctuation tolerances of profits and harvests on sustainable timber supply levels from private forests in a district

Moriya, Tomoyuki; Tatsuhara, Satoshi

doi:10.1080/21580103.2016.1274274

Cited by 1 publication

(1 citation statement)

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“…Previous studies simulating forest management at a regional scale have used the subcompartment as the basic unit of management (Watanabe and Tatsuhara, 2013;Moriya and Tatsuhara, 2017). However, operations in an area of less than 1 ha are much less cost-effective than operations in larger areas (Toyama, 2011).…”

Section: Introductionmentioning

confidence: 99%

Predicting Effects of Logging Systems and Bucking Strategies forPrivately Owned Sugi (<i>Cryptomeria japonica</i>) Plantations in Atsumi District, Tsuruoka City, Yamagata Prefecture

Suzuki

Tatsuhara

Nakajima

et al. 2018

JFP

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We simulate two forest management strategies applied to privately owned sugi (Cryptomeria japonica) plantations in Atsumi District, Tsuruoka City, Yamagata Prefecture, Japan, in order to assess potential improvements in profitability, labour requirements and harvests. The first strategy uses a traditional logging system with cable yarders yielding high-value logs; the second, 'efficient' strategy uses vehicle-based forestry machines to mass-produce regular logs. We create forest management units with areas greater than three hectares by merging stands and defining topographic conditions using a geographic information system. We consider sixteen variants of each strategy: 15 with candidate rotation ages ranging from 50 to 120 years and one with no clearcutting within the planning horizon. Harvests, labour requirements, and profits for these rotation ages are predicted for each forest management unit. We simulate harvest scheduling using 0-1 integer programming to show the proportions of chosen rotation ages and the changes in periodic harvests, labour requirements, and profits. The two strategies yield similar harvests, although the efficient strategy requires fewer person-days and generates greater profits than the traditional strategy. However, the efficient strategy is not suitable for some topographical conditions.

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Section: Introductionmentioning

confidence: 99%

Predicting Effects of Logging Systems and Bucking Strategies forPrivately Owned Sugi (<i>Cryptomeria japonica</i>) Plantations in Atsumi District, Tsuruoka City, Yamagata Prefecture

Suzuki

Tatsuhara

Nakajima

et al. 2018

JFP

Self Cite

View full text Add to dashboard Cite

show abstract

Effects of harvest restraint periods and fluctuation tolerances of profits and harvests on sustainable timber supply levels from private forests in a district

Abstract: View related articles View Crossmark data Citing articles: 1 View citing articles Effects of harvest restraint periods and fluctuation tolerances of profits and harvests on sustainable timber supply levels from private forests in a district

Cited by 1 publication

References 8 publications

Predicting Effects of Logging Systems and Bucking Strategies forPrivately Owned Sugi (<i>Cryptomeria japonica</i>) Plantations in Atsumi District, Tsuruoka City, Yamagata Prefecture

Predicting Effects of Logging Systems and Bucking Strategies forPrivately Owned Sugi (<i>Cryptomeria japonica</i>) Plantations in Atsumi District, Tsuruoka City, Yamagata Prefecture

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