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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15299 · alive · Condition: fair · LC · Least Concern · Elevation: 27.3 m

Photos

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trunk branches leaf

Dimensions

15.27 mHeight
5.77 mTrunk height
56 cmTrunk diameter (DBH)
11.11 mCanopy height
13.23 mCanopy width
41.56 mCanopy circumference
131.45 m²Crown projection area
914.59 m³Crown volume
1Stems

Structure & risk

27.41Slenderness (H/D)
1.91Safety factor (default wind)
6.4 °Leaning angle
5.72 °Trunk lean angle
0Competition index
6.69 mTree protection zone
10.03 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
17.33 %Foliage transparency
0 %Dieback
61.71 %Crown density
100 %Crown light exposure ratio
72.77 %Live crown ratio
797.86 m²Leaf area
6.08Leaf area index (LAI)
0.88Leaf area / crown vol.

Ecosystem services

655.34 kgCarbon storage
63.36 kgCarbon sequestration / yr
167.42 kgOxygen production / yr
0.38 m³Avoided runoff
6.62 m³Water intercepted
7.78 m³Transpiration
6.57 m³Evaporation
40.55 m³Potential evapotranspiration
14.68 gCO removed / yr
58.03 gNO₂ removed / yr
125.19 gSO₂ removed / yr
36.52 gPM2.5 removed / yr
699.34 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

10769CAVAT value
26055.35Koch value
2611.95RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
95G 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
15.27Live 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 · 2.923319, 101.685168 · Elevation 27.3 m