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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 18210 · alive · Condition: fair · LC · Least Concern · Elevation: 33.2 m

Photos

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trunk branches leaf

Dimensions

17.82 mHeight
7.52 mTrunk height
52 cmTrunk diameter (DBH)
15.61 mCanopy height
7.42 mCanopy width
23.3 mCanopy circumference
43.26 m²Crown projection area
428.04 m³Crown volume
1Stems

Structure & risk

34.48Slenderness (H/D)
1.81Safety factor (default wind)
10.88 °Leaning angle
1.8 °Trunk lean angle
31.64Competition index
6.21 mTree protection zone
9.31 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
15.92 %Foliage transparency
0.69 %Dieback
78.34 %Crown density
66.75 %Crown light exposure ratio
87.62 %Live crown ratio
547.01 m²Leaf area
12.65Leaf area index (LAI)
1.28Leaf area / crown vol.

Ecosystem services

715.63 kgCarbon storage
41.96 kgCarbon sequestration / yr
110.88 kgOxygen production / yr
0.12 m³Avoided runoff
2.08 m³Water intercepted
2.45 m³Transpiration
2.07 m³Evaporation
12.75 m³Potential evapotranspiration
4.62 gCO removed / yr
18.24 gNO₂ removed / yr
39.36 gSO₂ removed / yr
11.48 gPM2.5 removed / yr
219.84 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

9209.83CAVAT value
23979.37Koch value
2415.48RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
90G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P3 P G u fextracted_street
7001G u fextracted_taxon i d
2.21Crown base height
17.82Live 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 P3 P · 2.916225, 101.686092 · Elevation 33.2 m