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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 32245 · alive · Condition: fair · LC · Least Concern · Elevation: 56.4 m

Photos

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trunk branches leaf

Dimensions

6.07 mHeight
1.62 mTrunk height
13 cmTrunk diameter (DBH)
3.25 mCanopy height
2.28 mCanopy width
7.15 mCanopy circumference
4.53 m²Crown projection area
7.22 m³Crown volume
1Stems

Structure & risk

48.35Slenderness (H/D)
1.45Safety factor (default wind)
5.55 °Leaning angle
5.33 °Trunk lean angle
8.78Competition index
1.51 mTree protection zone
2.26 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
youngAge class
moderately defoliatedCrown transparency
31.46 %Foliage transparency
0 %Dieback
65.87 %Crown density
91.23 %Crown light exposure ratio
53.5 %Live crown ratio
20.2 m²Leaf area
4.47Leaf area index (LAI)
2.8Leaf area / crown vol.

Ecosystem services

23.33 kgCarbon storage
10.22 kgCarbon sequestration / yr
27 kgOxygen production / yr
0.02 m³Avoided runoff
0.2 m³Water intercepted
0.23 m³Transpiration
0.2 m³Evaporation
1.2 m³Potential evapotranspiration
0.44 gCO removed / yr
1.72 gNO₂ removed / yr
3.7 gSO₂ removed / yr
1.08 gPM2.5 removed / yr
20.63 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

543.23CAVAT value
5554.2Koch value
586.64RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C G u fextracted_street
7001G u fextracted_taxon i d
3.21Crown base height
6.45Live height

Clearances

ClearRoad clearance

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11 C · 2.969578, 101.676341 · Elevation 56.4 m