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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 38978 · alive · Condition: fair · LC · Least Concern · Elevation: 23.0 m

Photos

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trunk branches leaf

Dimensions

26.09 mHeight
6.9 mTrunk height
73 cmTrunk diameter (DBH)
19.9 mCanopy height
12 mCanopy width
37.69 mCanopy circumference
110.94 m²Crown projection area
1755.39 m³Crown volume
1Stems

Structure & risk

36.11Slenderness (H/D)
1.15Safety factor (default wind)
7.23 °Leaning angle
5.33 °Trunk lean angle
41.8Competition index
8.67 mTree protection zone
13.01 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
33.65 %Foliage transparency
0.07 %Dieback
63.93 %Crown density
58.21 %Crown light exposure ratio
76.3 %Live crown ratio
1192.19 m²Leaf area
10.75Leaf area index (LAI)
0.68Leaf area / crown vol.

Ecosystem services

1552.45 kgCarbon storage
64.56 kgCarbon sequestration / yr
170.59 kgOxygen production / yr
0.31 m³Avoided runoff
5.45 m³Water intercepted
6.41 m³Transpiration
5.41 m³Evaporation
33.37 m³Potential evapotranspiration
12.09 gCO removed / yr
47.76 gNO₂ removed / yr
103.03 gSO₂ removed / yr
30.05 gPM2.5 removed / yr
575.56 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

17991.16CAVAT value
30938.65Koch value
3376.04RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
70G u fextracted_critical wind speed
2025-06-19G u fextracted_inv date
Jalan P8 E2 G u fextracted_street
7001G u fextracted_taxon i d
6.19Crown base height
26.09Live 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 P8 E2 · 2.931218, 101.682250 · Elevation 23.0 m