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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 32110 · alive · Condition: fair · LC · Least Concern · Elevation: 58.1 m

Photos

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trunk branches leaf

Dimensions

11.67 mHeight
3.45 mTrunk height
20 cmTrunk diameter (DBH)
7.87 mCanopy height
4.72 mCanopy width
14.82 mCanopy circumference
17.4 m²Crown projection area
84.06 m³Crown volume
1Stems

Structure & risk

58.96Slenderness (H/D)
0.65Safety factor (default wind)
10.3 °Leaning angle
4.01 °Trunk lean angle
26.7Competition index
2.38 mTree protection zone
3.57 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
23.55 %Foliage transparency
0 %Dieback
54.07 %Crown density
73.31 %Crown light exposure ratio
67.39 %Live crown ratio
104.51 m²Leaf area
6.01Leaf area index (LAI)
1.25Leaf area / crown vol.

Ecosystem services

86.3 kgCarbon storage
13.23 kgCarbon sequestration / yr
34.95 kgOxygen production / yr
0.05 m³Avoided runoff
0.85 m³Water intercepted
0.99 m³Transpiration
0.84 m³Evaporation
5.16 m³Potential evapotranspiration
1.87 gCO removed / yr
7.39 gNO₂ removed / yr
15.93 gSO₂ removed / yr
4.65 gPM2.5 removed / yr
88.96 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

1357.7CAVAT value
8348.25Koch value
927.43RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
55G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C G u fextracted_street
7001G u fextracted_taxon i d
3.81Crown base height
11.67Live height

Clearances

ConflictRoad clearance
3.49 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
1.93 m³Road clearance — conflict volume
20.02Road 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11 C · 2.969429, 101.676399 · Elevation 58.1 m