Results 41 to 50 of about 3,567 (170)

Using LiDAR to quantify, map, and conserve late‐successional and old‐growth forest in Maine, USA

open access: yesEcosphere, Volume 17, Issue 6, June 2026.
Abstract The world continues to lose late‐successional and old‐growth (LSOG) forest as the human population and demand for wood fiber grow. However, older forest age classes provide structural and compositional characteristics important to biodiversity that are often not present in forests managed for timber.
John M. Hagan   +3 more
wiley   +1 more source

Conifer Regeneration After Experimental Shelterwood and Seed-Tree Treatments in Boreal Forests: Finding Silvicultural Alternatives

open access: yesFrontiers in Plant Science, 2018
Forest regeneration is a key element in achieving sustainable forest management. Partial harvest methods have been used extensively in temperate broadleaf and mixedwood ecosystems to promote regeneration on poorly stocked sites and to maintain forest ...
Miguel Montoro Girona   +4 more
doaj   +1 more source

Forest Structure and Composition Diverge Following Harvesting Compared to a Spruce Budworm Choristoneura fumiferana (Clem.) Outbreak

open access: yesFrontiers in Forests and Global Change, 2022
Balsam fir (Abies balsamea) is the most vulnerable species to the spruce budworm (Choristoneura fumiferana), one of the most devastating defoliators in the world.
Daniel D. Kneeshaw   +6 more
doaj   +1 more source

Valorization of Poplar Wood Wastes Into 3D‐Printed Soya Oil‐Based Composites by Vat Photopolymerization for Interior Design

open access: yesJournal of Polymer Science, Volume 64, Issue 11, Page 2351-2367, 1 June 2026.
Bio‐based polymer composites were 3D printed by LCD vat photopolymerization using acrylate epoxidized soybean oil as the monomer and isobornyl methacrylate as the reactive diluent. Two different poplar powders derived from plywood processing waste were incorporated within the photocurable formulations.
Francesca Sacchi   +7 more
wiley   +1 more source

Cone production of balsam fir damaged by balsam woolly aphid [PDF]

open access: yesThe Forestry Chronicle, 1975
The effect of balsam woolly aphid, Adelges piceae (Ratz.), damage on cone production by balsam fir, Abies balsamea (L.) Mill., was studied on 49 trees classified into six aphid damage classes. Results showed that there was no appreciable effect until damage exceeded the moderate level.
openaire   +1 more source

Effective Conservation Decisions Require Models Designed for Purpose: A Case Study of Boreal Caribou in Ontario's Ring of Fire

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
Decision making in conservation science often relies on the best available information, but existing models are rarely reproducible, transferrable, or accessible. We sought to reproduce and evaluate the suitability of the two best available models for predicting impacts of proposed mining on boreal woodland caribou (Rangifer tarandus caribou) in ...
Matthew E. Dyson   +12 more
wiley   +1 more source

Variation of Stem Radius in Response to Defoliation in Boreal Conifers

open access: yesFrontiers in Forests and Global Change, 2021
In the long term, defoliation strongly decreases tree growth and survival. Insect outbreaks are a typical cause of severe defoliation. Eastern spruce budworm (Choristoneura fumiferana Clem.) outbreaks are one of the most significant disturbances of Picea
Lorena Balducci   +2 more
doaj   +1 more source

Carbon and biomass partitioning in balsam fir (Abies balsamea) [PDF]

open access: yesTree Physiology, 2005
Balsam fir (Abies balsamea (L.) Mill) was extensively sampled to investigate the effects of forest management practices, site location, within-crown position, tree component (i.e., stem, foliage, branches and roots), and tree social classes on biomass and carbon (C) partitioning at the individual tree level and across ecological regions. The sites were
Zisheng, Xing   +5 more
openaire   +2 more sources

Will It Survive? Evaluating the Effects of Damage and Silviculture on Tree Seedling Survival Using Multi‐State Models

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
Plantations are the spearhead of adaptive silviculture, yet we do not understand how damage from abiotic and biotic agents relates to seedlings’ survival. In this study, we used multi‐state models, which originate from the medical field, to evaluate the relation between ‘damage history’, silvicultural treatments, and planted tree survival.
Emilie Champagne   +3 more
wiley   +1 more source

Legacy effects of precommercial thinning on the natural regeneration of next rotation balsam fir stands in eastern Canada

open access: yesSilva Fennica, 2019
The Green River precommercial thinning (PCT) trial was established between 1959–1961 in New Brunswick (Canada) within natural balsam fir (Abies balsamea (L.) Mill.)-dominated stands.
Claudie-Maude Canuel   +3 more
doaj   +1 more source

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