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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 36322 · alive · Condition: fair · LC · Least Concern · Elevation: 42.1 m

Photos

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trunk branches leaf

Dimensions

11.51 mHeight
3.76 mTrunk height
24 cmTrunk diameter (DBH)
8.95 mCanopy height
3.92 mCanopy width
12.3 mCanopy circumference
13.21 m²Crown projection area
77.65 m³Crown volume
1Stems

Structure & risk

48.75Slenderness (H/D)
1.4Safety factor (default wind)
1.51 °Leaning angle
5.64 °Trunk lean angle
3.48Competition index
2.84 mTree protection zone
4.25 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
29.02 %Foliage transparency
0.47 %Dieback
52.93 %Crown density
96.53 %Crown light exposure ratio
77.71 %Live crown ratio
97.91 m²Leaf area
7.42Leaf area index (LAI)
1.27Leaf area / crown vol.

Ecosystem services

99.17 kgCarbon storage
23.16 kgCarbon sequestration / yr
61.2 kgOxygen production / yr
0.04 m³Avoided runoff
0.58 m³Water intercepted
0.69 m³Transpiration
0.58 m³Evaporation
3.56 m³Potential evapotranspiration
1.29 gCO removed / yr
5.09 gNO₂ removed / yr
10.98 gSO₂ removed / yr
3.2 gPM2.5 removed / yr
61.29 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

1937.27CAVAT value
10286.16Koch value
1107.83RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11F/18 G u fextracted_street
7001G u fextracted_taxon i d
2.57Crown base height
11.51Live 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

Jalan P11F/18 · 2.962298, 101.669745 · Elevation 42.1 m