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Historical Aerial Surveys Map Long-Term Changes of Forest Cover and Structure in the Central Congo Basin

Koen Hufkens, Thalès de Haulleville, Elizabeth Kearsley, Kim Jacobsen, Hans Beeckman, Piet Stoffelen, Filip Vandelook, Sofie Meeus, Michael Amara, Leen Van Hirtum, Jan Van den Bulcke, Hans Verbeeck (+1 others)
2020 Remote Sensing  
Here, we used a combination of historical (1958) aerial photography and contemporary remote sensing data to map long-term changes in the extent and structure of the tropical forest surrounding Yangambi  ...  (DR Congo) in the central Congo Basin.  ...  The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.  ... 
doi:10.3390/rs12040638 fatcat:unnc7v63ybdz5e4fa6c7xsxlzi

Woody encroachment and forest degradation in sub-Saharan Africa's woodlands and savannas 1982-2006

E. T. A. Mitchard, C. M. Flintrop
2013 Philosophical Transactions of the Royal Society of London. Biological Sciences  
GIMMS data were provided free of charge by the Global Land Cover Facility at the University of Maryland. Funding statement.  ...  Two anonymous referees and Philippe Mayaux also provided useful comments. Simon Lewis, Jon Lloyd, France Gerard and Iain Woodhouse also assisted in the development of the ideas in this paper.  ...  [16] agree, for example finding increases outweighing decreases in the far west of the Democratic Republic of Congo (DRC), the Central African Republic and Ethiopia, and rapid forest lost in the Miombo  ... 
doi:10.1098/rstb.2012.0406 pmid:23878342 pmcid:PMC3720033 fatcat:awhswh424ngztgbszvybcq65u4

Congo Basin Forests: Description [chapter]

Carole Megevand, Aline Mosnier, Joël Hourticq, Klas Sanders, Nina Doetinchem, Charlotte Streck
2013 Deforestation Trends in the Congo Basin  
A new Congo Basin vegetation map Satellite-based mapping of forest cover in the Congo Basin is challenging due to the persistent cloud cover, the fragmentation and variability of the landscape, while field  ...  The Congo Basin forests cover 200 million hectares in the heart of Africa.  ...  The identification of a permanent forest estate seeking to ensure the long-term maintenance of land under forest cover should be the primary goal of zoning plans.  ... 
doi:10.1596/9780821397428_ch01 fatcat:5yfblandefdoletkodwypslck4

Application of Geographic Information System (GIS) in Forest Management

Sonti SH
2015 Journal of Geography & Natural Disasters  
in this essay is clear evidence to the significant value of forests and the potential of GIS to aid in their management.  ...  The overall aim of this paper is to explore the potential application of Geographic Information System (GIS) technology in forest management in general and in 3 African countries.  ...  For many years, the Congo Basin was behind in using scientific data from satellites to monitor the environment, especially the forest cover change [13] [14] [15] .  ... 
doi:10.4172/2167-0587.1000145 fatcat:kqearrpycvcjdcoij7qviva75a

Recent Budget of Hydroclimatology and Hydrosedimentology of the Congo River in Central Africa

Alain Laraque, Guy D. Moukandi N'kaya, Didier Orange, Raphael Tshimanga, Jean Marie Tshitenge, Gil Mahé, Cyriaque R. Nguimalet, Mark A. Trigg, Santiago Yepez, Georges Gulemvuga
2020 Water  
Although the Congo Basin is still one of the least studied river basins in the world, this paper attempts to provide a multidisciplinary but non-exhaustive synthesis on the general hydrology of the Congo  ...  Spatial heterogeneity within the Congo Basin has made it possible to establish an original hydrological classification of right bank tributaries, which takes into account vegetation cover and lithology  ...  With the AGU Chapman Conference in Washington in 2018 and this special issue on the Congo Basin, which he is leading, he has been keen to involve the nationals of this basin, so that they can be actors  ... 
doi:10.3390/w12092613 fatcat:ypza46tojbdetewokvmhm2db4y

Dual-season mapping of wetland inundation and vegetation for the central Amazon basin

L Hess
2003 Remote Sensing of Environment  
Thematic accuracy of the mapping was assessed using high-resolution digital videography acquired during two aerial surveys of the Brazilian Amazon.  ...  The SAR-based mapping provides a basis for improved estimates of the contribution of wetlands to biogeochemical and hydrological processes in the Amazon basin, a key question in the Large-Scale Biosphere  ...  Acquisition of the JERS-1 imagery was made possible by NASDA's Global Rain Forest Mapping Project.  ... 
doi:10.1016/j.rse.2003.04.001 fatcat:cxswgduudzfl3jzfi3mnw62ose

CamFlores: A FLORES-type model for the humid forest margin in Cameroon

Christopher Legg
2003 Small-scale Forest Economics, Management and Policy  
It lies on the northwestern edge of the Congo Basin humid forest zone (Figure 1 ), and is a representative sample of the margins of the Central African humid forest, which occupies parts of Central African  ...  An assessment of land-cover change in selected areas of the benchmark over the past 25 years will be undertaken using historic aerial photography, and this information will be used to check model calibration  ... 
doi:10.1007/s11842-003-0016-4 fatcat:pyezrsddc5adrm36vinxe6coqa

Analysis of the Impacts of armed conflict on the Eastern Afromontane forest region on the South Sudan — Uganda border using multitemporal Landsat imagery

Virginia Gorsevski, Eric Kasischke, Jan Dempewolf, Tatiana Loboda, Falk Grossmann
2012 Remote Sensing of Environment  
Results indicate that the rate of forest recovery was significantly higher than the rate of disturbance both during and after wartime in and around the ICFR and the net rate of forest cover change remained  ...  The Imatong Central Forest Reserve (ICFR) in South Sudan together with the nearby Dongotana Hills and the Agoro-Agu Forest Reserve (AFR) in Northern Uganda share a boundary and encompass a biologically  ...  Within the study area, three separate areasall with similar vegetationwere compared in terms of change in forest cover over time.  ... 
doi:10.1016/j.rse.2011.10.023 fatcat:pccdvpipvbfgzlcps3rfmg4vbq

Advancing reference emission levels in subnational and national REDD+ initiatives: a CLASlite approach

Florian Reimer, Gregory P Asner, Shijo Joseph
2015 Carbon Balance and Management  
Here we present a framework for large-scale historical forest cover change analysis using free multispectral satellite imagery in an extremely cloudy tropical forest region.  ...  The CLASlite approach provided highly automated mapping of tropical forest cover, deforestation and degradation from Landsat satellite imagery.  ...  Martin and Patrick Brooke-Bailey for editing of the manuscript. S.J. is supported by the CGIAR Research Program on Forests Trees and Agroforestry.  ... 
doi:10.1186/s13021-015-0015-8 pmid:25678933 pmcid:PMC4318978 fatcat:5mgpsczv3vggdkdxoyvfie2i2i

Paleolimnological investigations of anthropogenic environmental change in Lake Tanganyika: I. An introduction to the project

Andrew S. Cohen, Manuel R. Palacios-Fest, James McGill, Peter W. Swarzenski, Dirk Verschuren, Robert Sinyinza, Tharcisse Songori, Bombi Kakagozo, Mutanga Syampila, Catherine M. O'Reilly, Simone R. Alin
2005 Journal of Paleolimnology  
Sediment pollution caused by increased rates of soil erosion in deforested watersheds has caused significant changes in aquatic communities along much of the lake's shoreline.  ...  activity in the lake's catchment over the last several centuries, and to determine the impact of these activities on the biodiversity of littoral and sublittoral lake communities.  ...  Andy Menz, Graeme Patterson and Kelly West of the LTBP for all of their gracious support at all stages of this project, and the crew of the R/V Tanganyika Explorer for their tireless efforts on our behalf  ... 
doi:10.1007/s10933-005-2392-6 fatcat:tdtu2izt3fe65le6ubtt6uxuxu

Gully development and its spatio-temporal variability since the late 19th century in the northern Ethiopian Highlands

Amaury Frankl
2012 Afrika Focus  
This study validates previous research and indicates important land degradation by gullying in the second half of the 20th century in the Northern Ethiopian Highlands.  ...  Most dramatic is the development of extensive and deep gully networks, which export large quantities of sediment through the ephemeral gully and river system and therefore jeopardize in situ agricultural  ...  Sincere thanks all researchers whom, in one way or another, contributed to the development of ideas and the writing down of it. Key was of course the support of Prof.  ... 
doi:10.21825/af.v25i2.4955 fatcat:m6tok7cfabdojdbqf6dhybt27q

The origin and control of mega-gullies in Kinshasa (D.R. Congo)

Fils Makanzu Imwangana, Ine Vandecasteele, Philippe Trefois, Pierre Ozer, Jan Moeyersons
2015 CATENA  
For this purpose, the diachronic distribution of mega-gullies has been mapped in Kinshasa. All mega-gullies have been reported in ArcGis 9.3 on the orthorectified SPOT 2007 image.  ...  Congo), to establish what governs mega-gully location and plan form and to illustrate the concepts behind mega-gully treatment.  ...  Congo concerning the Institutional Collaboration between the Royal Museum of Central Africa (Tervuren, Belgium) and the "Centre de Recherches Géologiques et Minières" (Kinshasa, R.D.C.).  ... 
doi:10.1016/j.catena.2014.09.019 fatcat:oso4j6izezemjk5fdugfp6dvsa

Remote sensing of selective logging in tropical forests: current state and future directions

CM Jackson, E Adam
2020 iForest : Biogeosciences and Forestry  
Accurate and precise detection of selectively logged sites in a forest is crucial for analyzing the spatial distribution of forest disturbances and degradation.  ...  This paper reviews and discusses the status of remote sensing techniques applied in detecting and monitoring selective logging disturbance in tropical forests.  ...  EA: supervision, reviewing and editing. Herbert Omari: proof reading of the manuscript.  ... 
doi:10.3832/ifor3301-013 fatcat:ee4nhiefkzculcn77wdlo66bry

A Review of Japanese Ecological Anthropology on Central African Hunter-gatherers

Mitsuo Ichikawa
2021 Revue d'ethnoécologie  
Thus, during the past five decades, we have eventually studied all the three major hunter-gatherer groups in central Africa, the Mbuti and Efe in the eastern part of the Congo Basin, and the Aka and Baka  ...  in terms of the history of the forest.  ... 
doi:10.4000/ethnoecologie.8401 fatcat:dskcbzr6evhrlofgla72ukmmy4

Meeting in the middle: the challenge of meso-level integration

William McConnell
2002 Land Use Policy  
The FAO East Africa Project, which covers 11 (and potentially 12) countries in its first two phases, has already been extended to include 6 countries in the Congo Basin and now geographically covers over  ...  Thus, both communal and private lands have been subject to long term human-driven pressure, resulting in significant land-use change.  ... 
doi:10.1016/s0264-8377(01)00042-4 fatcat:hj4veqwd35eojc6csmeajwgsd4
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