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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15086 · alive · Condition: fair · LC · Least Concern · Elevation: 28.9 m

Photos

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trunk branches leaf

Dimensions

16.33 mHeight
8.45 mTrunk height
45 cmTrunk diameter (DBH)
9.55 mCanopy height
8.31 mCanopy width
26.13 mCanopy circumference
47.99 m²Crown projection area
349.74 m³Crown volume
1Stems

Structure & risk

37Slenderness (H/D)
1.69Safety factor (default wind)
13.65 °Leaning angle
2.62 °Trunk lean angle
41.84Competition index
5.3 mTree protection zone
7.95 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
31.17 %Foliage transparency
0.01 %Dieback
57.17 %Crown density
58.17 %Crown light exposure ratio
58.47 %Live crown ratio
285.92 m²Leaf area
5.96Leaf area index (LAI)
0.82Leaf area / crown vol.

Ecosystem services

499.66 kgCarbon storage
34.16 kgCarbon sequestration / yr
90.27 kgOxygen production / yr
0.15 m³Avoided runoff
2.62 m³Water intercepted
3.08 m³Transpiration
2.6 m³Evaporation
16.02 m³Potential evapotranspiration
5.8 gCO removed / yr
22.92 gNO₂ removed / yr
49.44 gSO₂ removed / yr
14.42 gPM2.5 removed / yr
276.18 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6725.71CAVAT value
18769.15Koch value
2064.18RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
85G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 F G u fextracted_street
7001G u fextracted_taxon i d
6.78Crown base height
16.33Live 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 F · 2.923445, 101.685464 · Elevation 28.9 m