| 1
CONTACT PERSON |
|
|
1.1
Name |
Dr.
Alain Albrecht |
|
1.2
Address |
ORSTOM/LCSC,
911, Avenue Agropolis, BP 5045, 34032 Montpellier. |
|
1.3
Tel |
+33
676 17567 |
|
1.4
Fax |
+33
675 47400 |
|
1.5
E-mail |
alain.albrecht@mpl.orstom.fr |
|
1.6
List other researchers involved: |
E.
Blanchant ORSTOM, Martinique |
|
|
| 2
WATER EROSION |
|
|
2.1
mm2 - cm2: |
- |
|
2.2
m2: |
Physical
degradation (surface sealing, crusting) and its impact on surface
roughness, infiltration and runoff; biological processes soil
organic matter evolution, roots and earthworms effects. |
|
|
| 3
WIND EROSION |
- |
|
|
| 4
MASS MOVEMENTS |
- |
|
|
| 5
TILLAGE EROSION |
- |
|
|
| 6
TEMPORAL SCALE OF EXPERIMENTS |
|
|
6.4
months: |
Biological
activities |
|
6.5
years: |
Biological
activities |
|
|
| 7
DESCRIPTION OF EROSION FACTORS STUDIED |
|
|
7.1
Climate: |
- |
|
7.2
Topography: |
- |
|
7.3
Soils: |
Fettelitic
Soils/Vertisols |
|
7.4
Vegetation: |
- |
|
7.5
Management: |
Food
crops vs. pastures |
|
| 8
FIELD EXPERIMENTS Description of the field site and
of the type of experiments and equipment involved for each of
the erosion processes being studied: |
|
8.1
Erosion process:Soil detachment |
|
|
8.2
Location (town, state, country): |
St
Anne, Martinique, French West Indies. |
|
8.3
Equipment involved: |
Rainfall
simulator. |
|
| 9
LABORATORY EXPERIMENTS Description of the laboratory
and the type of experiments and equipment involved for each
of the erosion processes studied: |
|
|
·
Soil characterization |
|
|
·
Soil aggregation studies using L.A.S.E.R. diffraction method |
|
|
| 10
REMARKS |
- |
|
|
| 11
LIST RELEVANT PUBLICATIONS |
|
|
Albrecht,
A., Rangon, L., Barnet, P. (1992) Effet de la matrice organique
sur le stabilite structuale et le ditachabilite d’un vertisol
et d’un ferrisol (Martinique). Lab. ORSTOM, Vol 27, 1:
121-133. |
|
Fellen,
C., Albrecht, A., Tessien, D. (1995). Aggregation and organic
carbon storage in kaolin in nitric and smeetitic soils. Adv,
Soil Science (in press) |
