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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15137 · alive · Condition: fair · LC · Least Concern · Elevation: 28.0 m

Photos

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trunk branches leaf

Dimensions

14.34 mHeight
2.9 mTrunk height
61 cmTrunk diameter (DBH)
10.28 mCanopy height
12.69 mCanopy width
39.85 mCanopy circumference
126.12 m²Crown projection area
939.66 m³Crown volume
1Stems

Structure & risk

23.83Slenderness (H/D)
2.55Safety factor (default wind)
4.87 °Leaning angle
3.02 °Trunk lean angle
0Competition index
7.22 mTree protection zone
10.83 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
24.06 %Foliage transparency
0 %Dieback
84.54 %Crown density
100 %Crown light exposure ratio
71.7 %Live crown ratio
922.86 m²Leaf area
7.32Leaf area index (LAI)
0.99Leaf area / crown vol.

Ecosystem services

772.59 kgCarbon storage
69.47 kgCarbon sequestration / yr
183.58 kgOxygen production / yr
0.35 m³Avoided runoff
6.09 m³Water intercepted
7.16 m³Transpiration
6.05 m³Evaporation
37.32 m³Potential evapotranspiration
13.52 gCO removed / yr
53.41 gNO₂ removed / yr
115.23 gSO₂ removed / yr
33.61 gPM2.5 removed / yr
643.67 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

12549.09CAVAT value
26883.78Koch value
2819.58RADO 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
Jalan P2 D G u fextracted_street
7001G u fextracted_taxon i d
4.06Crown base height
14.34Live height

Clearances

ConflictRoad clearance
4.24 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.14 m³Road clearance — conflict volume
0.21Road clearance — conflict volume ratio

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 · 2.925326, 101.685876 · Elevation 28.0 m