Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"pre-commercial thinning"”.
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The Prevalence and Operational Feasibility of Utilizing Pre-commercially Thinned Pine as a Woody Biomass Energy Source
… threat to pine forests of the southeastern US. Pre-commercial thinning (PCT) is a commonly used silvicultural practice to mitigate and prevent SPB spread in young southern pine stands. Typically, PCT represents an added management cost to landowners and thinned material is not utilized for …
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Cost share payment and willingness to participate in Virginia's Pine Bark Beetle Prevention Program
… the same region. One such management practice is pre-commercial thinning (PCT), which is particularly unattractive to non-industrial private forest (NIPF) landowners because of the substantial costs and delayed financial returns involved. Since the benefits to society generated by PCT are not …
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Response of uneven-aged in interior Douglas-fir stands to precommercial thinning in central interior, British Columbia
… growth of uneven-aged Douglas-fir stands after pre-commercial thinning (spacing), with an impetus to improve upon current management practices. Data were collected from 24 permanent sample plots which were established near Williams Lake, British Columbia in 1989; thinning took place between 1990 …
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Comparison of chemical and manual methods of precommerical thinning oak stump-sprouts
Precommercial thinning of 12-year-old upland oak stump-sprouts in southwestern Virginia using herbicides and manual felling was compared. Objectives were to quantify and compare residual crop-stem growth and treatment costs between treatments and application methods. 2,4-D and triclopyr were …
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Áhrif blöndunar trjátegunda og gróðursetningaraðferða á lifun og vöxt 15 ára skógar á Suðurlandi
Blöndun trjátegunda í nytjaskógrækt getur aukið ræktunaröryggi þegar kemur að loftslagsbreytingum og mögulega aukið efnahagslegt öryggi í timburframleiðslu. Áhrif tegundablöndu á vöxt trjáa í skógi, framleiðni og kolefnisbindingu hafa verið rannsökuð í mun meira mæli á öðrum Norðurlöndum en á …