Logging Crew Attributes by Region in the Southeast USA

IF 2.7 2区 农林科学 Q1 FORESTRY
C. Diniz, M. Smidt, J. Cooper, Yaoqi Zhang
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引用次数: 1

Abstract

Urbanization, shrinking markets, and reduced forestry investment may affect harvesting efficiency in regions of the US South. To monitor these conditions, logging businesses have been tracked by surveys conducted by universities and trade associations. This project used a sampling approach coordinated with FIA utilization studies to sample logging crews based on a harvesting location. The approach was used to develop relationships among firm attributes and site attributes in six southeastern states (AL, GA, FL, NC, SC, and VA) from 2011 to 2018. The data included harvest attributes (location, harvest size and stand type) and logging firm attributes (production, crew labor, crew number, the number of machines by type, and machine age). For crew capital value, an equation was developed for this study using machine number and average machine age. The data from logging crews on 419 harvests were analyzed by region, harvest size, and stand type. Mean values for crew labor ranged from 3.1 to 7.1 workers. The average capital value per crew ranged from $220,000 to $524,000 per crew in the Coastal Plain with a narrower range in the Piedmont. In the Coastal Plain, higher productivity was detected for larger harvests and pine versus hardwood and mixed stands; however, in the Piedmont those trends were less obvious. Ratio of feller-bunchers, skidders and loaders were mostly 1:1:1 or 1:2:1 with 41% and 24% of samples, respectively. There were notable trends among Coastal Plain loggers regarding capital value and productivity with evidence supported by a production function. The differences in Piedmont (e.g., ownership size, market access, terrain, population density, etc.) may combine to limit daily production and labor productivity.
美国东南部地区的采伐人员属性
城市化、市场萎缩和林业投资减少可能会影响美国南部地区的采伐效率。为了监测这些情况,大学和行业协会进行的调查跟踪了伐木企业。该项目采用了与FIA利用研究相协调的抽样方法,根据采伐地点对采伐人员进行抽样。该方法用于开发2011年至2018年东南6个州(AL, GA, FL, NC, SC和VA)的企业属性和场地属性之间的关系。这些数据包括收获属性(地点、收获规模和林分类型)和伐木公司属性(产量、船员劳动力、船员人数、按类型划分的机器数量和机器年龄)。对于机组人员资本价值,本研究使用机器数量和平均机器年龄建立了一个方程。对419次采伐的数据进行了区域、采伐规模和林分类型分析。船员劳动的平均值为3.1至7.1名工人。在沿海平原,每个船员的平均资本价值从22万美元到52.4万美元不等,而在皮埃蒙特,这个范围更窄。在沿海平原,收获量大的松林比阔叶林和混交林的生产力更高;然而,在皮埃蒙特,这些趋势不太明显。排捆机、撬车和装载机的比例多为1:1:1或1:2:1,分别占41%和24%。沿海平原伐木者在资本价值和生产力方面有显著的趋势,并有生产函数支持的证据。皮埃蒙特的差异(例如,所有权规模,市场准入,地形,人口密度等)可能会限制日常生产和劳动生产率。
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来源期刊
CiteScore
5.20
自引率
12.50%
发文量
23
审稿时长
>12 weeks
期刊介绍: Croatian Journal of Forest Engineering (CROJFE) is a refereed journal distributed internationally, publishing original research articles concerning forest engineering, both theoretical and empirical. The journal covers all aspects of forest engineering research, ranging from basic to applied subjects. In addition to research articles, preliminary research notes and subject reviews are published. Journal Subjects and Fields: -Harvesting systems and technologies- Forest biomass and carbon sequestration- Forest road network planning, management and construction- System organization and forest operations- IT technologies and remote sensing- Engineering in urban forestry- Vehicle/machine design and evaluation- Modelling and sustainable management- Eco-efficient technologies in forestry- Ergonomics and work safety
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