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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 42413 · alive · Condition: fair · LC · Least Concern · Elevation: 34.1 m

Photos

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trunk branches leaf

Dimensions

19.19 mHeight
3.44 mTrunk height
59 cmTrunk diameter (DBH)
8.68 mCanopy height
10.01 mCanopy width
31.67 mCanopy circumference
67.64 m²Crown projection area
499.62 m³Crown volume
1Stems

Structure & risk

32.97Slenderness (H/D)
1.84Safety factor (default wind)
10.62 °Leaning angle
5.08 °Trunk lean angle
50.43Competition index
6.99 mTree protection zone
10.48 mRoot protection zone
l1TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
37.47 %Foliage transparency
9.04 %Dieback
49.4 %Crown density
49.58 %Crown light exposure ratio
45.22 %Live crown ratio
343.12 m²Leaf area
5.08Leaf area index (LAI)
0.69Leaf area / crown vol.

Ecosystem services

917.77 kgCarbon storage
48.13 kgCarbon sequestration / yr
127.18 kgOxygen production / yr
0.22 m³Avoided runoff
3.79 m³Water intercepted
4.46 m³Transpiration
3.77 m³Evaporation
23.23 m³Potential evapotranspiration
8.41 gCO removed / yr
33.24 gNO₂ removed / yr
71.71 gSO₂ removed / yr
20.92 gPM2.5 removed / yr
400.57 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

11681.37CAVAT value
26404.56Koch value
2720.35RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
90G u fextracted_critical wind speed
2025-06-18G u fextracted_inv date
Jalan Rajawali P9 B 1 G u fextracted_street
7001G u fextracted_taxon i d
6.48Crown base height
15.16Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan Rajawali P9 B 1 · 2.942977, 101.671235 · Elevation 34.1 m