Výsledky vyhledávání - "Back Tomas Ersson"

Akademický článek

A pilot study of continuous cover forestry in boreal forests: Do remaining trees affect forwarder productivity?

Publikováno v: Journal of Forest Science, Vol 69, Iss 7, Pp 317-323 (2023)

According to the literature, forwarding productivity depends chiefly on log concentration, the number of assortments, mean log volume, load-size, slope, and extraction distance. However, there is not much scientific knowledge available on forwarding

Externí odkaz: https://doaj.org/article/d5edaac9858b4c878a220d3beeae05ff

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Akademický článek

A pilot study of Continuous Cover Forestry in boreal forests: Decreasing the harvest intensity during selection cutting increases piece size, which in turn increases harvester productivity

Autor: Jussi Manner, Tobias Karlsen, Back Tomas Ersson

Publikováno v: Journal of Forest Science, Vol 69, Iss 4, Pp 172-177 (2023)

While even-aged forestry is the dominating forest management system in Sweden, there is an increasing interest in Continuous Cover Forestry. Consequently, the conversion of even-aged stands into uneven-aged ones using e.g. selection cutting can be ex

Externí odkaz: https://doaj.org/article/4edfacf6878445af81aa9a79b3c35635

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Akademický článek

Forest management in northern Fennoscandia: the need for solutions that mitigate conflicts during forest regeneration and increase the use of continuous cover forestry

Autor: Back Tomas Ersson, Linnea Hansson, Jussi Manner, Per Sandström, Johan Sonesson

Publikováno v: Silva Fennica, Vol 57, Iss 3 (2023)

Today, conflicts often occur in northern Fennoscandia (also known as Sápmi) between forestry and reindeer husbandry. Continuous cover forestry (CCF) is requested by both reindeer herding communities and the general public and is becoming more common

Externí odkaz: https://doaj.org/article/2342d0faab7341018b634f23b55817a2

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Akademický článek

Towards a benchmark of national training requirements for continuous cover forestry (CCF) in Sweden

Autor: Lydia Kruse, Charlotta Erefur, Johan Westin, Back Tomas Ersson, Arne Pommerening

Publikováno v: Trees, Forests and People, Vol 12, Iss , Pp 100391- (2023)

Continuous cover forestry (CCF) is forest management based on ecological and biological principles. CCF particularly requires the abandonment of clearfelling practices in favour of more natural approaches of regeneration. Recently, CCF has been ident

Externí odkaz: https://doaj.org/article/90e0b3aa773e428da2f971c74e1e5139

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Akademický článek

Mechanized tree planting in Nordic forestry: simulating a machine concept for continuously advancing site preparation and planting

Autor: Jussi Manner, Back Tomas Ersson

Publikováno v: Journal of Forest Science, Vol 67, Iss 5, Pp 242-246 (2021)

As labour for manual tree planting becomes scarcer, regeneration costs are steadily increasing in Nordic forestry. Today's intermittently advancing tree planting machines provide excellent silvicultural results, but are expensive to operate because o

Externí odkaz: https://doaj.org/article/9275839d88e34aa6bd78f160047635ad

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Akademický článek

Innovative productivity improvements in forest operations: a comparative study of the Assortment Grapple using a machine simulator

Autor: Jussi Manner, Simon Berg, Martin Englund, Back Tomas Ersson, Anders Mörk

Publikováno v: Journal of Forest Science, Vol 66, Iss 11, Pp 443-451 (2020)

Because of generally small log piles, loading forwarders during thinning is time consuming. The Assortment Grapple, an innovative grapple with an extra pair of claws which facilitates the handling of two assortments during one loading crane cycle, ha

Externí odkaz: https://doaj.org/article/a5c4a70db37f4ac685d6533e1468af00

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Akademický článek

Distance driven and driving speed when forwarding during final felling in Central Sweden

Autor: Simon Berg, Back Tomas Ersson, Jussi Manner

Publikováno v: Journal of Forest Science, Vol 65, Iss 5, Pp 183-194 (2019)

Factors affecting forwarding work are interesting because they can be used to better optimize forwarding routes and to predict costs. The main objective of this study was to investigate the association between driving speed and driving distance when

Externí odkaz: https://doaj.org/article/e9fb09924a1e4bc6aafb7347629cd39c

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Advances in the Mechanization of Regenerating Plantation Forests: a Review

Autor: Saulo Philipe Sebastião Guerra, Muedanyi Ramantswana, Back Tomas Ersson

Publikováno v: Current Forestry Reports. 6:143-158

The mechanization of silvicultural work on forest plantations is usually driven by a decreasing supply of motivated labour which increases its relative cost. Mechanization can also result in other advantages like increased effectiveness, higher effic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0a28ab3d94eceb60d9f66890f944a65
https://doi.org/10.1007/s40725-020-00114-7

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Forwarding during final felling: work element-specific distributions of driving distances at the stand level

Autor: Jussi Manner, Simon Berg, Back Tomas Ersson

Publikováno v: International Journal of Forest Engineering. 31:51-69

Automatic data collection is becoming increasingly common in cut-to-length forest operations. However, only few studies have analyzed automatically collected follow-up data from forwarders....

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4bc020501e232c3ca88f902350c7762
https://doi.org/10.1080/14942119.2019.1657058

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