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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 14392 · alive · Condition: fair · LC · Least Concern · Elevation: 26.8 m

Photos

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trunk branches leaf

Dimensions

13.72 mHeight
1.37 mTrunk height
11 cmTrunk diameter (DBH)
10.85 mCanopy height
4.3 mCanopy width
13.73 mCanopy circumference
12.92 m²Crown projection area
87.36 m³Crown volume
1Stems

Structure & risk

137.12Slenderness (H/D)
0.05Safety factor (default wind)
6.63 °Leaning angle
3.21 °Trunk lean angle
50.02Competition index
1.21 mTree protection zone
1.81 mRoot protection zone
l1TMS category

Health & vitality

fairCondition
mediumVitality
youngAge class
slightly defoliatedCrown transparency
24.16 %Foliage transparency
0 %Dieback
86.65 %Crown density
49.99 %Crown light exposure ratio
79.11 %Live crown ratio
187.75 m²Leaf area
14.54Leaf area index (LAI)
2.15Leaf area / crown vol.

Ecosystem services

25.7 kgCarbon storage
7.24 kgCarbon sequestration / yr
19.12 kgOxygen production / yr
0.04 m³Avoided runoff
0.7 m³Water intercepted
0.83 m³Transpiration
0.7 m³Evaporation
4.28 m³Potential evapotranspiration
1.55 gCO removed / yr
6.13 gNO₂ removed / yr
13.22 gSO₂ removed / yr
3.86 gPM2.5 removed / yr
73.82 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

344.72CAVAT value
4509.35Koch value
467.32RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
20G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan Tunku Abdul Rahman G u fextracted_street
7001G u fextracted_taxon i d
2.87Crown base height
13.72Live 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 Tunku Abdul Rahman · 2.927415, 101.685066 · Elevation 26.8 m