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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 38956 · alive · Condition: fair · LC · Least Concern · Elevation: 22.6 m

Photos

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trunk branches leaf

Dimensions

21.97 mHeight
7.25 mTrunk height
57 cmTrunk diameter (DBH)
15.52 mCanopy height
9.71 mCanopy width
30.51 mCanopy circumference
65.69 m²Crown projection area
855.43 m³Crown volume
1Stems

Structure & risk

38.68Slenderness (H/D)
1.33Safety factor (default wind)
11.4 °Leaning angle
5.95 °Trunk lean angle
57.63Competition index
6.82 mTree protection zone
10.23 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
30.22 %Foliage transparency
1.17 %Dieback
51.91 %Crown density
42.38 %Crown light exposure ratio
70.64 %Live crown ratio
529.15 m²Leaf area
8.06Leaf area index (LAI)
0.62Leaf area / crown vol.

Ecosystem services

900.83 kgCarbon storage
47.54 kgCarbon sequestration / yr
125.63 kgOxygen production / yr
0.21 m³Avoided runoff
3.57 m³Water intercepted
4.2 m³Transpiration
3.55 m³Evaporation
21.87 m³Potential evapotranspiration
7.92 gCO removed / yr
31.29 gNO₂ removed / yr
67.51 gSO₂ removed / yr
19.69 gPM2.5 removed / yr
377.09 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

11143.78CAVAT value
25252.12Koch value
2657.02RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-19G u fextracted_inv date
Jalan P8 E2 G u fextracted_street
7001G u fextracted_taxon i d
6.46Crown base height
21.97Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P8 E2 · 2.931149, 101.682261 · Elevation 22.6 m