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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 45759 · alive · Condition: fair · LC · Least Concern · Elevation: 50.3 m

Photos

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trunk branches leaf

Dimensions

8.54 mHeight
4.09 mTrunk height
38 cmTrunk diameter (DBH)
4.03 mCanopy height
4.35 mCanopy width
13.65 mCanopy circumference
15.55 m²Crown projection area
42.32 m³Crown volume
1Stems

Structure & risk

22.84Slenderness (H/D)
7.68Safety factor (default wind)
4.23 °Leaning angle
1.67 °Trunk lean angle
0Competition index
4.49 mTree protection zone
6.73 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
16.14 %Foliage transparency
0 %Dieback
76.58 %Crown density
100 %Crown light exposure ratio
47.21 %Live crown ratio
99.67 m²Leaf area
6.42Leaf area index (LAI)
2.36Leaf area / crown vol.

Ecosystem services

257.16 kgCarbon storage
38.01 kgCarbon sequestration / yr
100.44 kgOxygen production / yr
0.05 m³Avoided runoff
0.72 m³Water intercepted
0.84 m³Transpiration
0.71 m³Evaporation
4.38 m³Potential evapotranspiration
1.59 gCO removed / yr
6.27 gNO₂ removed / yr
13.52 gSO₂ removed / yr
3.95 gPM2.5 removed / yr
75.49 gO₃ removed / yr

Data quality

1Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4848.84CAVAT value
15969.21Koch value
1752.66RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
2025-06-20G u fextracted_inv date
Lebuh Perdana Barat G u fextracted_street
7001G u fextracted_taxon i d
4.51Crown base height
8.54Live 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 Perdana Barat · 2.940931, 101.680501 · Elevation 50.3 m