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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15194 · alive · Condition: fair · LC · Least Concern · Elevation: 27.3 m

Photos

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trunk branches leaf

Dimensions

12.77 mHeight
8.59 mTrunk height
36 cmTrunk diameter (DBH)
4.78 mCanopy height
5.64 mCanopy width
17.7 mCanopy circumference
25.59 m²Crown projection area
104.33 m³Crown volume
1Stems

Structure & risk

36.28Slenderness (H/D)
2.35Safety factor (default wind)
1.02 °Leaning angle
3.18 °Trunk lean angle
0Competition index
4.23 mTree protection zone
6.34 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
18.64 %Foliage transparency
0 %Dieback
77.81 %Crown density
100 %Crown light exposure ratio
37.4 %Live crown ratio
152.47 m²Leaf area
5.97Leaf area index (LAI)
1.47Leaf area / crown vol.

Ecosystem services

233.15 kgCarbon storage
36.57 kgCarbon sequestration / yr
96.62 kgOxygen production / yr
0.07 m³Avoided runoff
1.2 m³Water intercepted
1.42 m³Transpiration
1.2 m³Evaporation
7.36 m³Potential evapotranspiration
2.67 gCO removed / yr
10.53 gNO₂ removed / yr
22.72 gSO₂ removed / yr
6.63 gPM2.5 removed / yr
126.87 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4273.88CAVAT value
15341.37Koch value
1645.47RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
105G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Lebuh Wawasan G u fextracted_street
7001G u fextracted_taxon i d
8Crown base height
12.77Live 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 Wawasan · 2.926543, 101.685573 · Elevation 27.3 m