Transcript Diapositive 1 - World Agroforestry Centre

May the European traditional agroforestry find a
source of revitalization in climate change?
S. Guillerme (1), G. Balent (2), A. Canet (3), F. Coulon (4), Y. Jimenez (5), E.
Maire (1), D. Moreno (6)
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(1) CNRS (UMR 5602 - GEODE), France
(2) INRA (UMR 1201- DYNAFOR), France
(3) AFAHC, France
(4) SOLAGRO, France
(5) University of Granada (IDR), Spain
(6) University of Genova (LASA), Italy
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
1/ Advantages of the trees outside forest in the perspective of the
climate change
2/ Some agroforestry landscapes and their evolution
3/ Responses of the public policies to revitalize agroforestry
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Responses to global warming
In the future, if the global warming happens to put an excessive hydric stress on
treeless pasturelands, the traditional agroforestry systems could gain a renewed
value due to their ability to better preserve water, soil and grass, essential
resources for animal husbandry.
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Some of the Trees Outside Forest
functionalities
Protection of natural resources
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Water conservation
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Protection of soils
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Reduction of the risks of floods
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Carbon sequestration
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Increasing organic matter in the soil
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Biodiversity conservation and gene pool
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Quality of water (natural filtration)
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Buffer zone
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Protection of riversides
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Habitat for wild fauna
Functional
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Demarcation of plots
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Windbreak for cultures
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Protection for animal husbandry (shade and
resources)
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Limitation of the evapo-transpiration
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Humidification, better biological activity of the
soil
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Habitat for the natural predators, useful for
the adjacent plots
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Habitat and source of food for pollinators
Productive and direct economy
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Firewood and timber wood
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Production of fruits, honey…
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Feeding stock (grass, foliage, nuts, fruits)
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Promotion of quality products, (certification
AOC - “Appelation d’Origine Controlée”, PGI Protected Geographical Indications)
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Income from tourism
Social
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Diversity of landscapes
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Promotion of the traditional settlements
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Picking (berries, plants, snails, mushrooms…)
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Cultural identity and promotion of farmers
work
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Rambling
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Hunting
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Southern Spain
Traditional polyculture : loss of
biodiversity as a result of
abandonment
The Dehesa : a landscape
built for animal husbandry
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Southern Spain
Dehesa landscapes
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Southern
France
Pasture land under
chestnut trees (Ségala)
Ash trees pruned for
fodder usage (Aubrac)
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Southern France
Spontaneous afforestation in the Pyrenees,
witnessing an abandonment of the pasture lands
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Northern Italy
Dynamics of abandonment in Liguria
Bandito di Amborzasco :
detail of a meadow-pasture
with shrubs
Around 1950, a landscape still
derived from 19th c. land use
1950
Bandito: the same slope,
50 years later, completely
abandoned, covered by
spontaneous afforestation
2003
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Bandito di Amborzasco : short
term effects of abandonment:
soil erosion due to the
hazels collapsing
- Overgrown hazel stool
- Weak thickness of the soil
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
How to incline towards a revitalization?
The role of public policies
Dia 9
Public policies
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
Conlusion :
- the factors changing the face of the present traditional
agroforestry systems are not climatic
- awareness about the climate change and its impacts, along with
the problem of biodiversity loss, could be a challenge to reconsider
the agroforestry practices
Wait and see…
…or go ahead ?
Second World Congress on Agroforestry - Nairobi, August 2009
May the European traditional agroforestry find a source of revitalization in climate change?
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Second World Congress on Agroforestry - Nairobi, August 2009