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Continuity forest or second-generation forest? Historic aerial photos provide evidence of early clear-cutting in northern Sweden

Lundmark, Hanna and Östlund, Lars and Josefsson, Torbjörn (2021). Continuity forest or second-generation forest? Historic aerial photos provide evidence of early clear-cutting in northern Sweden. Silva Fennica. 55 , 10460
[Research article]

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Abstract

Modern forestry, which mainly consists of clear-cutting, is one of the most important factors influencing today's boreal forests. In Sweden, the breaking point for modern forestry is generally considered to be around 1950. Recently, our common knowledge of the implementation of clear-cutting in Sweden has increased, and new research indicates that clear-cutting systems were already applied before the 1950s. In this case study, we used aerial photographs from the 1940s to analyze the extent of contemporaneous clear-cuts and even-aged young forests in an area in northern Sweden. Our results show that almost 40% of the study area had already been clear-cut by the end of the 1940s, but also that clear-cutting had been applied to 10% of the forest land in the early 1900s. This implies that the historical development of forestry in northern Sweden is more complex than previously thought, and that certain proportions of the forest land were already second-generation forests in the 1950s. Our results have implications for the use of concepts such as "continuity forest", suggesting that this concept should employ a time frame of at least 100 years.

Authors/Creators:Lundmark, Hanna and Östlund, Lars and Josefsson, Torbjörn
Title:Continuity forest or second-generation forest? Historic aerial photos provide evidence of early clear-cutting in northern Sweden
Series Name/Journal:Silva Fennica
Year of publishing :2021
Volume:55
Article number:10460
Number of Pages:18
Publisher:FINNISH SOC FOREST SCIENCE-NATURAL RESOURCES INST FINLAND
ISSN:0037-5330
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Share Alike 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
Keywords:aerial photography, clear-cutting, clear-felling, continuous cover forestry, forest history, satellite image
URN:NBN:urn:nbn:se:slu:epsilon-p-111772
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-111772
Additional ID:
Type of IDID
DOI10.14214/sf.10460
Web of Science (WoS)000631678800007
ID Code:23485
Faculty:S - Faculty of Forest Sciences
Department:(S) > Dept. of Forest Ecology and Management
Deposited By: SLUpub Connector
Deposited On:14 May 2021 08:23
Metadata Last Modified:14 May 2021 08:31

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