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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15109 · alive · Condition: fair · LC · Least Concern · Elevation: 30.6 m

Photos

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trunk branches leaf

Dimensions

13.91 mHeight
8.02 mTrunk height
40 cmTrunk diameter (DBH)
6.27 mCanopy height
8.4 mCanopy width
26.4 mCanopy circumference
49.88 m²Crown projection area
277.25 m³Crown volume
1Stems

Structure & risk

35.53Slenderness (H/D)
1.76Safety factor (default wind)
3.53 °Leaning angle
4.41 °Trunk lean angle
0Competition index
4.7 mTree protection zone
7.05 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
24.33 %Foliage transparency
0.6 %Dieback
68.68 %Crown density
100 %Crown light exposure ratio
45.04 %Live crown ratio
214.51 m²Leaf area
4.31Leaf area index (LAI)
0.78Leaf area / crown vol.

Ecosystem services

302.55 kgCarbon storage
42.26 kgCarbon sequestration / yr
111.66 kgOxygen production / yr
0.16 m³Avoided runoff
2.67 m³Water intercepted
3.14 m³Transpiration
2.65 m³Evaporation
16.37 m³Potential evapotranspiration
5.93 gCO removed / yr
23.42 gNO₂ removed / yr
50.52 gSO₂ removed / yr
14.74 gPM2.5 removed / yr
282.21 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

5313.14CAVAT value
18221.68Koch value
1834.65RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
90G 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
7.65Crown base height
13.91Live 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 · 2.924266, 101.686010 · Elevation 30.6 m