The end of roaming in the forest causes a loss of timber resources: the paradox of slash and burn agriculture Julie Morin-Rivat 1, 2 Adeline Fayolle 1, Charly Favier 3, Laurent Bremond 4, Sylvie Gourlet-Fleury 5, Philippe Lejeune 1, Hans Beeckman 2, Jean-Louis Doucet 1
1 University
of Liège, Gembloux Agro-Bio Tech, Belgium, 2 Royal Museum for Central Africa, Service
of Wood Biology, Belgium, 3 ISEM, UM2-CNRS, France, 4 CBAE, EPHE-CNRS, France, 5 CIRAD, France
GTÖ – Munich-Freising 25-28 February 2014
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Natural fire?
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Natural fire?
© De Vleeschouwer
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Natural fire?
© De Vleeschouwer
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© De Vleeschouwer
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© Gillet
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© Google
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© De Vleeschouwer
Human-made fire?
© Gillet
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© Doucet
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© Gillet
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© Doucet
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22 sites 150,000 km²
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© Hurdebourcq
22 sites 150,000 km²
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© Hurdebourcq
22 sites 150,000 km²
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© Hurdebourcq
22 sites 150,000 km²
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○○○○●○○○○ Alstonia boonei
© Vincenti
© Doucet
○○○○●○○○○ Alstonia boonei
Erythrophleum suaveolens
© Doucet
© Vincenti
© Vandenhaute
© Doucet
© Gillet
○○○○●○○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
© Doucet
© Doucet
© Vincenti
© Vandenhaute
© Bourland
© Doucet
© Gillet
© Bourland
○○○○●○○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
© Doucet
© Doucet
© Vincenti
© Vandenhaute
© Bourland
© Doucet
© Gillet
© Bourland
Terminalia superba
© Morin-Rivat
© Schmidt
○○○○●○○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
© Doucet
© Doucet
© Vincenti
© Vandenhaute
© Bourland
© Doucet
© Gillet
© Bourland
Terminalia superba
© Morin-Rivat
Triplochiton scleroxylon
© Morin-Rivat
© Gillet
© Schmidt
© Gillet
○○○○●○○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
© Doucet
© Doucet
© Vincenti
© Vandenhaute
© Bourland
© Doucet
© Gillet
© Bourland
Terminalia superba
© Morin-Rivat
Triplochiton scleroxylon
© Morin-Rivat
© Gillet
© Schmidt
© Gillet
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○○○○○●○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
Terminalia superba
Triplochiton scleroxylon
○○○○○●○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
Terminalia superba
Triplochiton scleroxylon
○○○○○●○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
Terminalia superba
Triplochiton scleroxylon
○○○○○●○○○ Alstonia boonei
Erythrophleum suaveolens
Pericopsis elata
Terminalia superba
Triplochiton scleroxylon
○○○○○●○○○ Alstonia boonei
MIC = 0.4 cm/yr Mode = 150-175 yr ~ 160 yr old ~ AD 1850
Erythrophleum suaveolens
MIC = 0.4 cm/yr Mode = 150-175 yr ~ 160 yr old ~ AD 1850
Pericopsis elata
MIC = 0.4 cm/yr Mode = 125-200 yr ~ 160 yr old ~ AD 1850
Terminalia superba
MIC = 0.5 cm/yr Mode = 120-160 yr ~ 140 yr old ~ AD 1870
Triplochiton scleroxylon
MIC = 0.9 cm/yr Mode = 90-120 yr ~ 105 yr old ~ AD 1910
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The end of roaming in the forest causes a loss of timber resources: the paradox of slash and burn agriculture Julie Morin-Rivat, Adeline Fayolle, Charly Favier, Laurent Bremond, Sylvie Gourlet-Fleury, Philippe Lejeune, Hans Beeckman, Jean-Louis Doucet
CoForChange project (ERANet BiodivERsA – NERC/UK – ANR/Fr) www.coforchange.eu
Nature+ asbl. (Belgium)
Fund for Scientific Training in Industry and Agriculture (FRIA, F.R.S./FNRS, Belgium) and FRFC project (F.R.S./FNRS, Belgium) Dynamics of light-demanding tree species and grasses in the humid forests of Central Africa in relationship with past anthropogenic and climate disturbances
The forest companies
[email protected]
GTÖ – Munich-Freising 25-28 February 2014
Any questions?
GTÖ – Munich-Freising 25-28 February 2014
