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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 38952 · alive · Condition: fair · LC · Least Concern · Elevation: 23.5 m

Photos

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trunk branches leaf

Dimensions

19.59 mHeight
7.75 mTrunk height
45 cmTrunk diameter (DBH)
12.96 mCanopy height
9.82 mCanopy width
30.87 mCanopy circumference
75.8 m²Crown projection area
710.89 m³Crown volume
1Stems

Structure & risk

43.69Slenderness (H/D)
0.74Safety factor (default wind)
8.15 °Leaning angle
2.42 °Trunk lean angle
26.8Competition index
5.38 mTree protection zone
8.07 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
27.45 %Foliage transparency
0 %Dieback
71.19 %Crown density
73.2 %Crown light exposure ratio
66.16 %Live crown ratio
784.57 m²Leaf area
10.36Leaf area index (LAI)
1.11Leaf area / crown vol.

Ecosystem services

536.02 kgCarbon storage
35.36 kgCarbon sequestration / yr
93.42 kgOxygen production / yr
0.21 m³Avoided runoff
3.65 m³Water intercepted
4.29 m³Transpiration
3.62 m³Evaporation
22.34 m³Potential evapotranspiration
8.09 gCO removed / yr
31.96 gNO₂ removed / yr
68.96 gSO₂ removed / yr
20.12 gPM2.5 removed / yr
385.18 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6928.07CAVAT value
19886.45Koch value
2095RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
60G 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
6.63Crown base height
19.59Live 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 · 2.931346, 101.682229 · Elevation 23.5 m