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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 36370 · alive · Condition: fair · LC · Least Concern · Elevation: 45.2 m

Photos

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trunk branches leaf

Dimensions

9 mHeight
2.6 mTrunk height
16 cmTrunk diameter (DBH)
5.62 mCanopy height
3.97 mCanopy width
12.5 mCanopy circumference
13.22 m²Crown projection area
52.69 m³Crown volume
1Stems

Structure & risk

59.19Slenderness (H/D)
0.35Safety factor (default wind)
3.95 °Leaning angle
1.84 °Trunk lean angle
9.3Competition index
1.83 mTree protection zone
2.74 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
highVitality
youngAge class
slightly defoliatedCrown transparency
20.4 %Foliage transparency
0 %Dieback
89.18 %Crown density
90.71 %Crown light exposure ratio
62.41 %Live crown ratio
114.19 m²Leaf area
8.64Leaf area index (LAI)
2.17Leaf area / crown vol.

Ecosystem services

37.57 kgCarbon storage
13.45 kgCarbon sequestration / yr
35.54 kgOxygen production / yr
0.04 m³Avoided runoff
0.6 m³Water intercepted
0.71 m³Transpiration
0.6 m³Evaporation
3.66 m³Potential evapotranspiration
1.33 gCO removed / yr
5.23 gNO₂ removed / yr
11.29 gSO₂ removed / yr
3.3 gPM2.5 removed / yr
63.03 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

798.33CAVAT value
6798.4Koch value
711.16RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
40G 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
3.38Crown base height
9Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11F/18 · 2.961998, 101.669961 · Elevation 45.2 m