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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15097 · alive · Condition: fair · LC · Least Concern · Elevation: 29.6 m

Photos

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trunk branches leaf

Dimensions

19.36 mHeight
8.4 mTrunk height
60 cmTrunk diameter (DBH)
10.15 mCanopy height
10.28 mCanopy width
32.3 mCanopy circumference
85.34 m²Crown projection area
830.45 m³Crown volume
1Stems

Structure & risk

32.31Slenderness (H/D)
1.6Safety factor (default wind)
2.32 °Leaning angle
1.75 °Trunk lean angle
0.06Competition index
7.19 mTree protection zone
10.79 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
46.75 %Foliage transparency
1.25 %Dieback
61.94 %Crown density
99.95 %Crown light exposure ratio
52.44 %Live crown ratio
397.68 m²Leaf area
4.66Leaf area index (LAI)
0.48Leaf area / crown vol.

Ecosystem services

783.83 kgCarbon storage
71.15 kgCarbon sequestration / yr
188.01 kgOxygen production / yr
0.23 m³Avoided runoff
4 m³Water intercepted
4.71 m³Transpiration
3.97 m³Evaporation
24.52 m³Potential evapotranspiration
8.88 gCO removed / yr
35.08 gNO₂ removed / yr
75.69 gSO₂ removed / yr
22.08 gPM2.5 removed / yr
422.81 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

12477.46CAVAT value
26170.74Koch value
2811.52RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
85G 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
9.21Crown base height
19.36Live 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 · 2.924318, 101.685849 · Elevation 29.6 m