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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 18334 · alive · Condition: fair · LC · Least Concern · Elevation: 33.6 m

Photos

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trunk branches leaf

Dimensions

17.11 mHeight
6.26 mTrunk height
48 cmTrunk diameter (DBH)
8.64 mCanopy height
10.77 mCanopy width
33.82 mCanopy circumference
93.04 m²Crown projection area
657.69 m³Crown volume
1Stems

Structure & risk

35.94Slenderness (H/D)
1.05Safety factor (default wind)
1.9 °Leaning angle
4.6 °Trunk lean angle
0Competition index
5.72 mTree protection zone
8.57 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
20.07 %Foliage transparency
0 %Dieback
69.74 %Crown density
89.06 %Crown light exposure ratio
50.49 %Live crown ratio
523.56 m²Leaf area
5.63Leaf area index (LAI)
0.8Leaf area / crown vol.

Ecosystem services

473.77 kgCarbon storage
53.52 kgCarbon sequestration / yr
141.43 kgOxygen production / yr
0.25 m³Avoided runoff
4.39 m³Water intercepted
5.16 m³Transpiration
4.36 m³Evaporation
26.88 m³Potential evapotranspiration
9.73 gCO removed / yr
38.46 gNO₂ removed / yr
82.97 gSO₂ removed / yr
24.2 gPM2.5 removed / yr
463.5 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

7869.27CAVAT value
21984.41Koch value
2232.78RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
70G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P3 M G u fextracted_street
7001G u fextracted_taxon i d
8.48Crown base height
17.11Live 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 P3 M · 2.917867, 101.686763 · Elevation 33.6 m