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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15235 · alive · Condition: fair · LC · Least Concern · Elevation: 27.3 m

Photos

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trunk branches leaf

Dimensions

15.7 mHeight
2.49 mTrunk height
79 cmTrunk diameter (DBH)
10.94 mCanopy height
12.54 mCanopy width
39.42 mCanopy circumference
116.09 m²Crown projection area
1046.84 m³Crown volume
1Stems

Structure & risk

20.07Slenderness (H/D)
4.26Safety factor (default wind)
15.39 °Leaning angle
6.23 °Trunk lean angle
11.57Competition index
9.39 mTree protection zone
14.09 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
highVitality
matureAge class
slightly defoliatedCrown transparency
16.1 %Foliage transparency
0.18 %Dieback
85.98 %Crown density
88.44 %Crown light exposure ratio
69.68 %Live crown ratio
1139.87 m²Leaf area
9.82Leaf area index (LAI)
1.09Leaf area / crown vol.

Ecosystem services

1379.38 kgCarbon storage
96.47 kgCarbon sequestration / yr
254.91 kgOxygen production / yr
0.34 m³Avoided runoff
5.95 m³Water intercepted
7 m³Transpiration
5.91 m³Evaporation
36.46 m³Potential evapotranspiration
13.2 gCO removed / yr
52.17 gNO₂ removed / yr
112.56 gSO₂ removed / yr
32.83 gPM2.5 removed / yr
628.78 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

21098.99CAVAT value
34121.66Koch value
3656.02RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
135G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 D G u fextracted_street
7001G u fextracted_taxon i d
4.41Crown base height
15.35Live 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 availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P2 D · 2.926402, 101.685493 · Elevation 27.3 m