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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 16128 · alive · Condition: fair · LC · Least Concern · Elevation: 29.9 m

Photos

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trunk branches leaf

Dimensions

18.15 mHeight
3.56 mTrunk height
43 cmTrunk diameter (DBH)
14.93 mCanopy height
8.39 mCanopy width
26.35 mCanopy circumference
56.17 m²Crown projection area
502.21 m³Crown volume
1Stems

Structure & risk

42.62Slenderness (H/D)
0.97Safety factor (default wind)
1.77 °Leaning angle
2.61 °Trunk lean angle
2.03Competition index
5.12 mTree protection zone
7.67 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
31.69 %Foliage transparency
0.17 %Dieback
81.94 %Crown density
97.98 %Crown light exposure ratio
82.25 %Live crown ratio
685.39 m²Leaf area
12.21Leaf area index (LAI)
1.37Leaf area / crown vol.

Ecosystem services

385.39 kgCarbon storage
47.6 kgCarbon sequestration / yr
125.79 kgOxygen production / yr
0.15 m³Avoided runoff
2.66 m³Water intercepted
3.13 m³Transpiration
2.65 m³Evaporation
16.32 m³Potential evapotranspiration
5.91 gCO removed / yr
23.35 gNO₂ removed / yr
50.37 gSO₂ removed / yr
14.7 gPM2.5 removed / yr
281.37 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6263.71CAVAT value
19350.29Koch value
1992.02RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
65G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Persiaran Perdana G u fextracted_street
7001G u fextracted_taxon i d
3.23Crown base height
18.15Live 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

Persiaran Perdana · 2.910660, 101.682765 · Elevation 29.9 m