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Present-day central African forest is a legacy of the 19th century human history

Morin-Rivat, Julie ; Fayolle, Adeline ; Favier, Charly ; Bremond, Laurent ; Gourlet-Fleury, Sylvie ; Bayol, Nicolas ; Lejeune, Philippe ; Beeckman, Hans ; Doucet, Jean-Louis

eLife, 2017-01, Vol.6 [Periódico revisado por pares]

England: eLife Science Publications, Ltd

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Título:
Present-day central African forest is a legacy of the 19th century human history
Autor: Morin-Rivat, Julie ; Fayolle, Adeline ; Favier, Charly ; Bremond, Laurent ; Gourlet-Fleury, Sylvie ; Bayol, Nicolas ; Lejeune, Philippe ; Beeckman, Hans ; Doucet, Jean-Louis
Assuntos: 19th century ; Africa, Central ; anthropogenic disturbance ; archaeology ; Archéologie ; Arts & humanities ; Arts & sciences humaines ; Biologie végétale (sciences végétales, sylviculture, mycologie...) ; Cameroon ; central Africa ; Central African Republic ; Chemical elements ; Conservation of Natural Resources ; Deforestation ; dendrology ; disturbances ; Ecology ; Ecosystem ; endangered species ; environment ; Environmental sciences & ecology ; European colonization ; Forest dynamics ; Forests ; global change ; Histoire ; Historic buildings & sites ; history ; History, 19th Century ; History, 20th Century ; History, 21st Century ; Human Activities - history ; human impact ; Humans ; intact forest ; land-use ; Life sciences ; Light ; light-demanding trees ; logging ; modelisation ; Observations ; paleoecology ; Phytobiology (plant sciences, forestry, mycology...) ; Plant Biology ; radiocarbon ; recent history ; Republic of the Congo ; Sciences de l’environnement & écologie ; Sciences du vivant ; Silviculture ; sustanability ; tree regeneration ; Trees ; tropical forest ; tropical forests ; Vegetation
É parte de: eLife, 2017-01, Vol.6
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
scopus-id:2-s2.0-85010705243
These authors contributed equally to this work.
Descrição: The populations of light-demanding trees that dominate the canopy of central African forests are now aging. Here, we show that the lack of regeneration of these populations began ca. 165 ya (around 1850) after major anthropogenic disturbances ceased. Since 1885, less itinerancy and disturbance in the forest has occurred because the colonial administrations concentrated people and villages along the primary communication axes. Local populations formerly gardened the forest by creating scattered openings, which were sufficiently large for the establishment of light-demanding trees. Currently, common logging operations do not create suitable openings for the regeneration of these species, whereas deforestation degrades landscapes. Using an interdisciplinary approach, which included paleoecological, archaeological, historical, and dendrological data, we highlight the long-term history of human activities across central African forests and assess the contribution of these activities to present-day forest structure and composition. The conclusions of this sobering analysis present challenges to current silvicultural practices and to those of the future.
Editor: England: eLife Science Publications, Ltd
Idioma: Inglês

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Present-day central African forest is a legacy of the 19th century human history

Morin-Rivat, Julie ; Fayolle, Adeline ; Favier, Charly ; Bremond, Laurent ; Gourlet-Fleury, Sylvie ; Bayol, Nicolas ; Lejeune, Philippe ; Beeckman, Hans ; Doucet, Jean-Louis

England: eLife Science Publications, Ltd

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