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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15126 · alive · Condition: fair · LC · Least Concern · Elevation: 27.7 m

Photos

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trunk branches leaf

Dimensions

20.56 mHeight
6.11 mTrunk height
58 cmTrunk diameter (DBH)
9.76 mCanopy height
11.02 mCanopy width
34.62 mCanopy circumference
90.5 m²Crown projection area
831.3 m³Crown volume
1Stems

Structure & risk

36Slenderness (H/D)
1.33Safety factor (default wind)
1.16 °Leaning angle
5.04 °Trunk lean angle
0Competition index
6.86 mTree protection zone
10.28 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
36.44 %Foliage transparency
0 %Dieback
71.94 %Crown density
100 %Crown light exposure ratio
47.49 %Live crown ratio
484.31 m²Leaf area
5.36Leaf area index (LAI)
0.59Leaf area / crown vol.

Ecosystem services

709.5 kgCarbon storage
67.4 kgCarbon sequestration / yr
178.11 kgOxygen production / yr
0.26 m³Avoided runoff
4.6 m³Water intercepted
5.41 m³Transpiration
4.56 m³Evaporation
28.16 m³Potential evapotranspiration
10.2 gCO removed / yr
40.3 gNO₂ removed / yr
86.94 gSO₂ removed / yr
25.36 gPM2.5 removed / yr
485.64 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

11322.92CAVAT value
25121.42Koch value
2678.29RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G 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
10.8Crown base height
20.56Live 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 D · 2.924417, 101.685535 · Elevation 27.7 m