Database on artificial forests in the tropics
ID: West Java_other tree species-3
1. General information        
     
Date of the investigation : August, 2002 Plantation area
(ha)
: 5.0
Plantation name : Haur Bentes block Tree species : Alstonia sp.
Region : West Java Family/Genus : Apocynaceae - Alstonia
Altitude (m, asl) : 200 Diameter at breast height
Maximum (cm)
: 28.0
Latitude : 6°34'S Diameter at breast height
Minimum (cm)
: 13.0
Longitude : 106°26'E Diameter at breast height
Average (cm)
: 22.0
Planted year and month : December, 1997 Tree height
Maximum (m)
: 11.0
Planted spacing
(m × m)
: 4.5 × 3 Tree height
Minimum (m)
: 8.0
Survaival rate of planted trees
(%)
: 97% in 2002 Tree height
Average (m)
: 9.0
2. Site characteristics information        
     
Land tenure : Government Expenditure
(per ha)
: Rp330,474
Monthly temperature of the site
(°C)
: (min.: 19.0, max.: 28.0) Land preparation : -
Monthly rainfall of the site
(mm)
: 200 - 483 Planting stock cost : Rp192,620
Dry season : - Maintenance cost : Rp137,854
Slope : - Potential area for planting
(ha)
: -
Soil type : Red Brown Latosol Damages : -
Soil texture : Clay Remarks : -
Soil pH : 4.7
Soil depth : Deep Vegetation and land utilization before planting : Grassland of Imperata sp.
Water level : Low
3. Seedling information        
     
Seedling : Seed Size of planting hole (cm) : 25 × 25 × 25
Provenance : - Fertilization : -
Potted : - Weeding : Three and eight months after planting
(by man power)
Stock period : Twelve months Supplement planting : 20% (one year after planting)
10% (two years after planting)
Pot type/size : - Thining : -
Forest crown type : Monoculture Prevention : -
Forest floor vegetation : Dense (33 - 67%)
4. Biomass information        
     
BA (m2 ha-1) : - Stem volume (m3 ha-1) : -
Age (year) : - With bark : -
Actual density (trees ha-1) : - Without bark : -
Biomass (Mg ha-1) : -
Stem : -
Bark : -
Branch : -
Leaf : -
Root : -
Above ground : -