The Effect of Site on the Structure and Growth of White Cedar Thuya Occidentalis L.

Harlow, William M.

doi:10.2307/1930153

Cited by 14 publications

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“…Fernald (1919) reported that although NWC can grow on acidic soils, the best growth and form were observed on calcareous sites (although this was not quantified). A comparison of bog NWC trees with limestone outcrop NWC in New York suggested that many wood properties (e.g., specific gravity, crushing strength) have greater variance within sites than among sites (Harlow 1927). Radial growth increment in that study was found to be higher in limestone communities than bog communities (3.10 mm/year versus 1.55 mm/year), although growth differences were partially attributed to "openness" of the limestone community.…”

Section: General Ecologymentioning

confidence: 60%

“…Living NWC trees are reportedly prone to decay from brown cubicle rot fungi, such as Phaeolus schweintzii, Postia sericimollis, and Tyromyces balsameus, throughout its range (Harlow 1927, Johnston 1990, Randolph et al 2007. Although stem quality is often ambiguously defined in past NWC studies and may refer to bole straightness, branchiness, or grain, most researchers report superior stem quality on upland sites (e. g., Curtis 1946, Godman 1958, Johnston 1990).…”

Section: General Ecologymentioning

confidence: 99%

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Northern White-Cedar Ecology and Silviculture in the Northeastern United States and Southeastern Canada: A Synthesis of Knowledge

Hofmeyer¹,

Kenefic²,

Seymour³

2009

Northern Journal of Applied Forestry

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Sustainability of the northern white-cedar (Thuja occidentalis L.) resource is a concern in many regions throughout its range because of regeneration failures, difficulty recruiting seedlings into sapling and pole classes, and harvesting levels that exceed growth. Management confusion has resulted from the scarcity of research on northern white-cedar ecology and silviculture, particularly because northern white-cedar is an anomalous tree species. This article synthesizes recent and historical northern white-cedar literature, with a focus on ecology, regeneration, cedar-wildlife interactions, and silviculture. Although a number of past studies have produced contradictory findings, some generalizations of use to the practitioner can be made: northern white-cedar is of small stature, slow growing, decay prone except on cliff sites, and found in both early- and late-successional stands. Northern white-cedar appears to be a highly variable species that can adapt to a wide range of environmental stresses. Because management of this resource has proven difficult, northern white-cedar silvicultural guidelines are needed throughout its range.

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Section: General Ecologymentioning

confidence: 60%

Section: General Ecologymentioning

confidence: 99%

Northern White-Cedar Ecology and Silviculture in the Northeastern United States and Southeastern Canada: A Synthesis of Knowledge

Hofmeyer¹,

Kenefic²,

Seymour³

2009

Northern Journal of Applied Forestry

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“…Nevertheless, the advantages of wood density may be overestimated because selecting tree species or applying fertilizer may increase density due to increased ray tissue or extractive content in the wood which are not desirable in many of today's industrial uses. For example, white cedar (Thuya occidentalis L.) growing on lime stone soil has higher specific gravity and ray volume than when it grows on peat bog (Harlow, 1927). Taylor (1969) reports that the specific gravity of rays is greater than that of other wood elements.…”

Section: But Wood Density Is Not a Pulp Fiber Property Because It Doementioning

confidence: 99%

Anatomical characteristics of stem, branch and root wood in European black alder (Alnus glutinosa L. Gaertn.)

Vurdu

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This material was produced from a microfilm copy of the orignal document. While the most advanced technological means to photograph and reproduce tiiis document have been used, the quality is heavily dependent upon the quality of the original submitted. The following explanation of techniques is provided to help you understand markings or patterns which may appear on this reproduction. 1.The sign or "target" for pages apparently lacking from the document photographed is "Missing Page(s)If it was possible to obtain the missing page(s) or section, they are spljced into the film along with adjacent pages. This may have necessitated cutting thru an image and duplicating adjacent pages to insure you complete continuity. 2. When an image on the film is obliterated with a large round black mark, it is an indication that the photographer suspected that the copy may have moved during exposure and thus cause a blurred image. You will find a good image of the page in the adjacent frame. 3. When a map, drawing or chart, etc., was part of the material being photographed the photographer followed a definite method in "sectioning" the material. It is customary to begin photoing at the upper left hand corner of a large sheet and to continue photoing from left to right in equal sections with a small overlap. If necessary, sectioning is continued again-beginning below the first row and continuing on until complete. 4. The majority of users indicate that the textual content is of greatest value, however, a somewhat higher quality reproduction could be made from "photographs" if essential to the understanding of the dissertation. Silver prints of "photographs" may be ordered at additional diarge by writing the Order Department, giving the catalog number, title, author and specific pages you wish reproduced. 5. PLEASE NOTE: Some pages may have indistinct print. Filmed as received.

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“…For example, white cedar (Thuya occidentalis L.) growing on lime stone soil has higher specific gravity and ray volume than when it grows on peat bog (Harlow, 1927). Taylor (1969) reports that the specific gravity of rays is greater than that of other wood elements.…”

Section: But Wood Density Is Not a Pulp Fiber Property Because It Doementioning

confidence: 99%

Anatomical characteristics of stem, branch and root wood in European black alder (Alnus glutinosa L. Gaertn.)

Vurdu

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The Effect of Site on the Structure and Growth of White Cedar Thuya Occidentalis L.

Cited by 14 publications

References 0 publications

Northern White-Cedar Ecology and Silviculture in the Northeastern United States and Southeastern Canada: A Synthesis of Knowledge

Northern White-Cedar Ecology and Silviculture in the Northeastern United States and Southeastern Canada: A Synthesis of Knowledge

Anatomical characteristics of stem, branch and root wood in European black alder (Alnus glutinosa L. Gaertn.)

Anatomical characteristics of stem, branch and root wood in European black alder (Alnus glutinosa L. Gaertn.)

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