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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15288 · alive · Condition: fair · LC · Least Concern · Elevation: 27.8 m

Photos

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trunk branches leaf

Dimensions

10.46 mHeight
2.03 mTrunk height
51 cmTrunk diameter (DBH)
6.44 mCanopy height
9.19 mCanopy width
28.88 mCanopy circumference
65.19 m²Crown projection area
316.72 m³Crown volume
2Stems

Structure & risk

20.85Slenderness (H/D)
3.77Safety factor (default wind)
6.97 °Leaning angle
1.66 °Trunk lean angle
0.25Competition index
6.02 mTree protection zone
9.03 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
17.54 %Foliage transparency
0 %Dieback
81.53 %Crown density
99.76 %Crown light exposure ratio
61.53 %Live crown ratio
458.18 m²Leaf area
7.03Leaf area index (LAI)
1.45Leaf area / crown vol.

Ecosystem services

509.11 kgCarbon storage
55.47 kgCarbon sequestration / yr
146.57 kgOxygen production / yr
0.19 m³Avoided runoff
3.2 m³Water intercepted
3.76 m³Transpiration
3.18 m³Evaporation
19.6 m³Potential evapotranspiration
7.1 gCO removed / yr
28.04 gNO₂ removed / yr
60.5 gSO₂ removed / yr
17.65 gPM2.5 removed / yr
337.92 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

8673.1CAVAT value
23132.2Koch value
2344.04RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
130G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Lebuh Bestari G u fextracted_street
7001G u fextracted_taxon i d
4.16Crown base height
10.59Live 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

Lebuh Bestari · 2.923313, 101.685251 · Elevation 27.8 m