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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15093 · alive · Condition: fair · LC · Least Concern · Elevation: 27.6 m

Photos

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trunk branches leaf

Dimensions

10.6 mHeight
2.6 mTrunk height
37 cmTrunk diameter (DBH)
8.3 mCanopy height
9.32 mCanopy width
29.26 mCanopy circumference
64.43 m²Crown projection area
360.6 m³Crown volume
1Stems

Structure & risk

29.07Slenderness (H/D)
1.59Safety factor (default wind)
8.36 °Leaning angle
1.79 °Trunk lean angle
0Competition index
4.38 mTree protection zone
6.57 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
48.83 %Foliage transparency
0 %Dieback
61.31 %Crown density
100 %Crown light exposure ratio
78.27 %Live crown ratio
270.91 m²Leaf area
4.21Leaf area index (LAI)
0.76Leaf area / crown vol.

Ecosystem services

260.05 kgCarbon storage
38.47 kgCarbon sequestration / yr
101.64 kgOxygen production / yr
0.19 m³Avoided runoff
3.28 m³Water intercepted
3.86 m³Transpiration
3.26 m³Evaporation
20.12 m³Potential evapotranspiration
7.29 gCO removed / yr
28.79 gNO₂ removed / yr
62.11 gSO₂ removed / yr
18.12 gPM2.5 removed / yr
346.95 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4622.7CAVAT value
15876.49Koch value
1711.3RADO 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
2.31Crown base height
10.6Live height

Clearances

ConflictRoad clearance
2.3 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.12 m³Road clearance — conflict volume
0.75Road clearance — conflict volume ratio

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 · 2.925413, 101.685737 · Elevation 27.6 m