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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15005 · alive · Condition: fair · LC · Least Concern · Elevation: 24.3 m

Photos

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trunk branches leaf

Dimensions

11.78 mHeight
4.25 mTrunk height
38 cmTrunk diameter (DBH)
6.29 mCanopy height
6.57 mCanopy width
20.69 mCanopy circumference
33.66 m²Crown projection area
134.45 m³Crown volume
1Stems

Structure & risk

31.28Slenderness (H/D)
2.24Safety factor (default wind)
6.78 °Leaning angle
3.09 °Trunk lean angle
13.8Competition index
4.52 mTree protection zone
6.78 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
21.8 %Foliage transparency
0.87 %Dieback
75.75 %Crown density
86.2 %Crown light exposure ratio
53.37 %Live crown ratio
191.01 m²Leaf area
5.68Leaf area index (LAI)
1.43Leaf area / crown vol.

Ecosystem services

271.48 kgCarbon storage
39.75 kgCarbon sequestration / yr
105.03 kgOxygen production / yr
0.1 m³Avoided runoff
1.63 m³Water intercepted
1.92 m³Transpiration
1.62 m³Evaporation
9.99 m³Potential evapotranspiration
3.62 gCO removed / yr
14.3 gNO₂ removed / yr
30.84 gSO₂ removed / yr
9 gPM2.5 removed / yr
172.28 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4889.95CAVAT value
17510.57Koch value
1760.07RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
100G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 N G u fextracted_street
7001G u fextracted_taxon i d
5.5Crown base height
11.78Live 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 N · 2.925759, 101.685086 · Elevation 24.3 m