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Earth observation based multi-scale assessment of logging activities in the Democratic Republic of the Congo

Kranz, Olaf and Schoepfer, Elisabeth and Tegtmeyer, Reiner and Lang, Stefan (2018) Earth observation based multi-scale assessment of logging activities in the Democratic Republic of the Congo. ISPRS Journal of Photogrammetry and Remote Sensing, 144, pp. 254-267. Elsevier. DOI: 10.1016/j.isprsjprs.2018.07.012 ISSN 0924-2716

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Official URL: https://linkinghub.elsevier.com/retrieve/pii/S0924271618302041

Abstract

The Congo rainforest, known for its high biodiversity and valuable resources, is the second largest area of rainforest in the world. Two thirds of the forest cover of the basin is located in the Democratic Republic of the Congo (DRC). Despite the importance, deforestation continues recognizing a connection between forests, logging and conflict. Increasing demand for resources, population growth and environmental stresses including climate change, will likely compound these problems. At the same time, conflicts cause serious environmental impacts, which need to be addressed to protect health and livelihoods. The risk that armed groups become involved in timber and mineral trades, that revenues be misappropriated and that forest-dependent communities are being pushed off their land also presents considerable threats to the peacebuilding process. The present study investigates the applicability of a multi-scale approach combining pixel- and object-based images analysis methods for the assessment of different logging activities in the context of conflict in the DRC. Optical high and very high resolution satellite imagery from 2000 to 2014 are analyzed within three different districts characterizing specific logging activities. As a major result one can clearly distinguish these activities and link them to the specific situation in the respective region. In the case of Ituri district logging is directly related to the conflict situation and increasing population pressure. While the slash-and-burn activities in Tshopo seems to be stable and show only minor decrease of primary forest, industrial-scale logging in the Mongala district has degraded a significant amount of primary forest into secondary forest or bare soil.

Item URL in elib:https://elib.dlr.de/123320/
Document Type:Article
Title:Earth observation based multi-scale assessment of logging activities in the Democratic Republic of the Congo
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kranz, OlafUNSPECIFIEDUNSPECIFIED
Schoepfer, Elisabethelisabeth.schoepfer (at) dlr.deUNSPECIFIED
Tegtmeyer, ReinerUNSPECIFIEDUNSPECIFIED
Lang, Stefanstefan.lang (at) sbg.ac.atUNSPECIFIED
Date:October 2018
Journal or Publication Title:ISPRS Journal of Photogrammetry and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:144
DOI :10.1016/j.isprsjprs.2018.07.012
Page Range:pp. 254-267
Publisher:Elsevier
ISSN:0924-2716
Status:Published
Keywords:Multi-scale assessment; Logging; Conflict resources; Pixel-based change detection; Object-based change detection
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Remote sensing and geoscience
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Geo Risks and Civil Security
Deposited By: Schöpfer, Dr. Elisabeth
Deposited On:21 Nov 2018 12:11
Last Modified:06 Sep 2019 15:28

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