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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15131 · alive · Condition: good · LC · Least Concern · Elevation: 29.9 m

Photos

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trunk branches leaf

Dimensions

11.73 mHeight
2.95 mTrunk height
59 cmTrunk diameter (DBH)
7.94 mCanopy height
11.33 mCanopy width
35.59 mCanopy circumference
98.19 m²Crown projection area
555.8 m³Crown volume
2Stems

Structure & risk

20.21Slenderness (H/D)
4.05Safety factor (default wind)
5.39 °Leaning angle
0.15 °Trunk lean angle
0.23Competition index
6.97 mTree protection zone
10.45 mRoot protection zone
l0TMS category

Health & vitality

goodCondition
highVitality
matureAge class
not defoliatedCrown transparency
14.34 %Foliage transparency
2.51 %Dieback
87.67 %Crown density
99.78 %Crown light exposure ratio
67.67 %Live crown ratio
873.14 m²Leaf area
8.9Leaf area index (LAI)
1.58Leaf area / crown vol.

Ecosystem services

710.85 kgCarbon storage
76.89 kgCarbon sequestration / yr
203.18 kgOxygen production / yr
0.32 m³Avoided runoff
5.63 m³Water intercepted
6.62 m³Transpiration
5.59 m³Evaporation
34.48 m³Potential evapotranspiration
10.78 gCO removed / yr
42.59 gNO₂ removed / yr
91.88 gSO₂ removed / yr
26.8 gPM2.5 removed / yr
513.25 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

11607.27CAVAT value
24812.14Koch value
2711.71RADO 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
Lebuh Bestari G u fextracted_street
7001G u fextracted_taxon i d
3.93Crown base height
11.86Live 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

Lebuh Bestari · 2.923295, 101.685591 · Elevation 29.9 m