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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15240 · alive · Condition: fair · LC · Least Concern · Elevation: 27.7 m

Photos

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trunk branches leaf

Dimensions

23.11 mHeight
10.36 mTrunk height
94 cmTrunk diameter (DBH)
14.71 mCanopy height
13.01 mCanopy width
40.85 mCanopy circumference
139.78 m²Crown projection area
1085.44 m³Crown volume
1Stems

Structure & risk

24.64Slenderness (H/D)
3.81Safety factor (default wind)
5.14 °Leaning angle
13.59 °Trunk lean angle
0.04Competition index
11.26 mTree protection zone
16.89 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
25.18 %Foliage transparency
0 %Dieback
73.32 %Crown density
99.97 %Crown light exposure ratio
63.64 %Live crown ratio
1127.02 m²Leaf area
8.07Leaf area index (LAI)
1.04Leaf area / crown vol.

Ecosystem services

2123.64 kgCarbon storage
118.38 kgCarbon sequestration / yr
312.81 kgOxygen production / yr
0.37 m³Avoided runoff
6.4 m³Water intercepted
7.53 m³Transpiration
6.36 m³Evaporation
39.22 m³Potential evapotranspiration
14.2 gCO removed / yr
56.12 gNO₂ removed / yr
121.08 gSO₂ removed / yr
35.32 gPM2.5 removed / yr
676.39 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

30333.41CAVAT value
42725.75Koch value
4383.68RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
130G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 D G u fextracted_street
7001G u fextracted_taxon i d
8.91Crown base height
23.61Live 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 P2 D · 2.926397, 101.685652 · Elevation 27.7 m