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10,039 research outcomes, page 1 of 1,004
  • publication . Article . 2022
    Closed Access
    Authors:
    Devin W. Goodsman; Jim Weber;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    At the beginning of this century, an unprecedented mountain pine beetle (Dendroctonus ponderosae Hopkins) outbreak expanded across western North America. Methods are needed to quantify its impact on forests. Although aerial survey data of infestation are readily availa...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Claudie-Maude Canuel; Evelyne Thiffault; Nelson Thiffault;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    Integrating forest biomass procurement in wood procurement for conventional products is a potential means of reducing bioenergy system supply costs. We studied forest harvest operations to procure biomass in the form of trees and tree sections, along with sawtimber and...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Mikhail A. Yatskov; Mark E. Harmon; Becky Fasth; Jay Sexton; Toni L. Hoyman; Chana M. Dudoit;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    Rising temperatures could increase forest ecosystem disturbance frequency and severity, transferring large amounts of live biomass to coarse woody debris (CWD) pools that emit carbon (C). The type of disturbance-created CWD influences the rate, amount, and duration of ...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Mikko Kukkonen; Matti Maltamo; Lauri Korhonen; Petteri Packalen;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    Very high point density laser scanning data from unmanned aerial systems (UAS) can be used to segment the trunks of individual trees. Such segmentation (e.g., individual trunk segmentation (ITS)) is useful, for example, in the estimation of diameter at breast height (D...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Kazi L Hossain; Victor J Lieffers; Bradley D Pinno;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    We modelled how pre-commercial and commercial thinning affects development of merchantable timber, specifically large sawlogs (> 20 cm diameter), on various site qualities and at different harvest ages. Data from juvenile permanent sample plots from post-harvest reg...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Mathieu Fortin; Jean-François Lavoie;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    Landscape-level studies such as those on forest management planning and carbon accounting rely on large-area growth projections provided by forest growth models. Nowadays, most of these models are individual tree-based models. The detailed input they require and their ...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Kermit Ritland; Allyson Miscampbell; Charles V. Cartwright; Nikhil Bohlmann; Carol Ritland;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    Subalpine fir, Abies lasiocarpa, occurs throughout western North America, often in forest-tundra parkland. To resolve the presence of subspecies (varieties) in this species, we surveyed microsatellite genetic markers in eleven populations containing three putative vari...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Keiko Fukumoto; Tomohiro Nishizono; Fumiaki Kitahara;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    Yield prediction has been determined to be vital in sustainable forest management. Recently, research trends have shifted from stand-level to individual-level yield prediction. In this study, we examined the effectiveness of yield prediction models based on a distance-...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Dawei Luo; Phil G. Comeau; Barb R. Thomas;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    While deployment of white spruce (Picea glauca (Moench) Voss) from seed orchards is increasing in Alberta, genetic gain is only considered in pure spruce stands due to uncertainties in measuring yields in mixedwood stands. To better understand the performance of improv...

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  • publication . Article . 2022
    Closed Access
    Authors:
    Tālis Gaitnieks; Lauma Silbauma; Indriķis Muižnieks; Astra Zaļuma; Dārta Kļaviņa; Natālija Burņeviča; Magdalēna Grosberga; Andis Lazdiņš; Tuula Piri;
    Persistent Identifiers
    Publisher: Canadian Science Publishing

    According to several earlier studies, the prevalence of Heterobasidion in peat soils is generally lower compared to mineral soils. However, in some Norway spruce (Picea abies (L.) Karst.) stands on drained peat soils in Latvia, serious damage caused by Heterobasidion r...

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10,039 research outcomes, page 1 of 1,004