A Stocking Guide for Southern Bottomland Hardwoods

Goelz, J.C.G.

doi:10.1093/sjaf/19.3.103

Cited by 20 publications

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“…Stand BA was not statistically significant for the models developed at α = 0.05. Although BA is commonly used when allocating growing space for CERNE KARA AND TOPAÇOĞLU understory seedlings through natural regeneration, some scientists have stated that it is not a good indicator of growing space allocation because growing space at a given BA varies with average tree diameter (Ginrich, 1967;Goelz, 1995;Larsen et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Effects of Canopy Structure on Growth and Belowground/Aboveground Biomass of Seedlings in Uneven-Aged Trojan Fir Stands

Kara

Topaçoğlu

2018

CERNE

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Effects of canopy structure on growth and belowground/ aboveground biomass of seedlings in uneven-aged trojan fi r stands. CERNE, v. 24, n. 4, p. 312-322, 2018. HIGHLIGHTS The light transmitted through the canopy was the most signifi cant predictor of understory seedlings growth in uneven-aged Trojan fi r stands. Light reaching understory can accelerate the development of sub-canopy layers in unevenaged Trojan fi r stands. Complete canopy closure should be avoided even in stands of shade-tolerant species such as Trojan fi r.

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Section: Discussionmentioning

confidence: 99%

Effects of Canopy Structure on Growth and Belowground/Aboveground Biomass of Seedlings in Uneven-Aged Trojan Fir Stands

Kara

Topaçoğlu

2018

CERNE

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“…BA alone is a commonly used measure of density when allocating growing space in even-aged stands of intolerant species. However, as stated before, growing space at a given BA varies with average tree diameter; stands with a larger average tree diameter represent more growing space than stands with smaller average tree diameter (Gingrich, 1967;Goelz, 1995;Martin, 1996). Using figure 2 as an example, stand X has a basal area of 22 m 2 ha -1 with average tree diameter of 15 cm.…”

Section: Resultsmentioning

confidence: 91%

Sarıçam (Pinus sylvestris L.) ormanlarındaki silvikültürel uygulamalar için yapılmış bir meşcere sıklık diyagramı

Kara

2018

Kastamonu Üniversitesi Orman Fakültesi Dergisi

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Aim of study: Residual stand densities are commonly defined using basal area (m 2 ha-1) (BA) and number of trees per hectare (TPH) when using even-aged silvicultural methods such as clearcutting and shelterwood methods in Scots pine (Pinus sylvestris L.) forests. However, it has been stated that absolute density measures such as BA and TPH are not the most useful indexes because growing space at a given BA or TPH varies with average tree diameter. Therefore, silvicultural management tools such as stocking charts (SC) and density management diagrams (DMD) have seemed to be more useful when allocating growing space to achieve a broad range of silvicultural objectives in even-aged stands. Given the importance of stand density on the regeneration success and growth of Scots pine, and given the shortages of absolute density measures (i.e. BA and TPH), a density diagram would be a useful tool for this tree species as well. Thus, in this study, a stand stocking diagram (SD) was developed for Scots pine stands. Material and Methods: Two published equations developed from open grown Scots pine trees, and from normal Scots pine stands were utilized to determine the minimum density of full site occupancy and the average maximum density, respectively. The form of the diagram follows Gingrich stocking chart. Main results: The A-line on the diagram represents the average maximum density where trees, on average, have the minimum growing space needed to survive. The B-line represents the lowest density where canopy closure can occur and is the minimum stocking necessary for full site occupancy or canopy closure. Consistent with a published Scots pine DMD, there is biological relevance and utility to the stocking diagram created in this study. Highlights: With the stocking diagram presented in this paper, regeneration and tending applications will be more practical in Scots pine forests because available growing space will be well-determined and utilized using the diagram.

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“…I extrapolated to assume that trees smaller than 6.0 inches in d.b.h. averaged 3.0 inches of diameter growth in 10 years.These diameter growth rates were used to "shrink" the quadratic mean diameter of the B-line given in Goelz (1995) to provide C-lines that reflect 10,15, 20, and 25 years of growth to achieve the B-line. Mortality was assumed to be negligible at stocking levels below the B-line.…”

Section: Introductionmentioning

confidence: 99%

“…The four alternative C-lines and the B-line of Goelz (1995) are presented in figure 1 .The C-lines are roughly, but not exactly, parallel to the B-line because diameter growth varies with average stand diameter.…”

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confidence: 99%

“…In the simplest situation, stands below the C-line will have no intermediate cuttings planned for the immediate future. Thinning will probably decrease volume growth considerably for a stand below the C-10 line; a thinning would not be done for 15 to 25 Trees/Acre Goelz (1995). In addition, lines of constant quadratic mean diameter are given for 2, 4, 6, 8, 7 1, 14 and 17 inches.…”

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confidence: 99%

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C-Lines of Stocking for Southern Bottomland Hardwoods: A Guide to Identifying Insuffiecient Stocking

Goelz¹

1997

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A B-line on a stocking chart represents suggested residual stocking after thinning, or minimum full stocking. A stand at the C-line on a stocking chart will achieve the B-line after a period of growth usually specified as 10 years. Four C-lines that reflect insufficient stocking of southern bottomland hardwoods are presented. These C-lines represent 10,15,20, and 25 years to reach B-line stocking. Alternative C-lines may be used to determine different silvicultural opportunities-the C-line based on 10 years may be used to identify stands that do not require intervention in the near future; a C-line based on 20 years may be used to identify stands requiring regeneration.

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A Stocking Guide for Southern Bottomland Hardwoods

Cited by 20 publications

References 0 publications

Effects of Canopy Structure on Growth and Belowground/Aboveground Biomass of Seedlings in Uneven-Aged Trojan Fir Stands

Effects of Canopy Structure on Growth and Belowground/Aboveground Biomass of Seedlings in Uneven-Aged Trojan Fir Stands

Sarıçam (Pinus sylvestris L.) ormanlarındaki silvikültürel uygulamalar için yapılmış bir meşcere sıklık diyagramı

C-Lines of Stocking for Southern Bottomland Hardwoods: A Guide to Identifying Insuffiecient Stocking

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