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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15111 · alive · Condition: fair · LC · Least Concern · Elevation: 27.4 m

Photos

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trunk branches leaf

Dimensions

18.47 mHeight
8.59 mTrunk height
54 cmTrunk diameter (DBH)
9.25 mCanopy height
9.77 mCanopy width
30.79 mCanopy circumference
67.28 m²Crown projection area
368.32 m³Crown volume
1Stems

Structure & risk

34.76Slenderness (H/D)
1.61Safety factor (default wind)
3.74 °Leaning angle
4.93 °Trunk lean angle
0Competition index
6.38 mTree protection zone
9.57 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
55.51 %Foliage transparency
8.83 %Dieback
59.6 %Crown density
100 %Crown light exposure ratio
50.06 %Live crown ratio
253.31 m²Leaf area
3.77Leaf area index (LAI)
0.69Leaf area / crown vol.

Ecosystem services

602.18 kgCarbon storage
61.47 kgCarbon sequestration / yr
162.42 kgOxygen production / yr
0.21 m³Avoided runoff
3.61 m³Water intercepted
4.25 m³Transpiration
3.59 m³Evaporation
22.11 m³Potential evapotranspiration
8.01 gCO removed / yr
31.64 gNO₂ removed / yr
68.26 gSO₂ removed / yr
19.91 gPM2.5 removed / yr
381.3 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

9780.73CAVAT value
24549.31Koch value
2489.22RADO 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
9.23Crown base height
18.47Live 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 · 2.925245, 101.685737 · Elevation 27.4 m