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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15094 · alive · Condition: fair · LC · Least Concern · Elevation: 29.5 m

Photos

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trunk branches leaf

Dimensions

8.11 mHeight
2.6 mTrunk height
38 cmTrunk diameter (DBH)
5.77 mCanopy height
9.81 mCanopy width
30.88 mCanopy circumference
72.46 m²Crown projection area
281.42 m³Crown volume
1Stems

Structure & risk

21.39Slenderness (H/D)
2.89Safety factor (default wind)
9.65 °Leaning angle
6.94 °Trunk lean angle
0Competition index
4.55 mTree protection zone
6.82 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
26.55 %Foliage transparency
4.46 %Dieback
83.09 %Crown density
100 %Crown light exposure ratio
71.13 %Live crown ratio
365.6 m²Leaf area
5.05Leaf area index (LAI)
1.3Leaf area / crown vol.

Ecosystem services

275.84 kgCarbon storage
39.24 kgCarbon sequestration / yr
103.69 kgOxygen production / yr
0.21 m³Avoided runoff
3.64 m³Water intercepted
4.29 m³Transpiration
3.62 m³Evaporation
22.32 m³Potential evapotranspiration
8.09 gCO removed / yr
31.94 gNO₂ removed / yr
68.92 gSO₂ removed / yr
20.1 gPM2.5 removed / yr
384.98 gO₃ removed / yr

Data quality

1Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4982.81CAVAT value
16743.68Koch value
1776.71RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
115G 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
2.34Crown base height
8.11Live height

Clearances

ConflictRoad clearance
2.71 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
4.37 m³Road clearance — conflict volume
16.97Road clearance — conflict volume ratio

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 · 2.925622, 101.686102 · Elevation 29.5 m