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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 42365 · alive · Condition: fair · LC · Least Concern · Elevation: 34.1 m

Photos

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trunk branches leaf

Dimensions

19.97 mHeight
4.7 mTrunk height
76 cmTrunk diameter (DBH)
16.68 mCanopy height
13.39 mCanopy width
42.14 mCanopy circumference
133.79 m²Crown projection area
1501.49 m³Crown volume
1Stems

Structure & risk

26.39Slenderness (H/D)
2.09Safety factor (default wind)
1.81 °Leaning angle
1.76 °Trunk lean angle
3.35Competition index
9.08 mTree protection zone
13.62 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
22.28 %Foliage transparency
0 %Dieback
67.99 %Crown density
96.66 %Crown light exposure ratio
83.56 %Live crown ratio
1257.31 m²Leaf area
9.4Leaf area index (LAI)
0.84Leaf area / crown vol.

Ecosystem services

1330.92 kgCarbon storage
94.84 kgCarbon sequestration / yr
250.62 kgOxygen production / yr
0.39 m³Avoided runoff
6.78 m³Water intercepted
7.98 m³Transpiration
6.74 m³Evaporation
41.58 m³Potential evapotranspiration
15.06 gCO removed / yr
59.5 gNO₂ removed / yr
128.38 gSO₂ removed / yr
37.45 gPM2.5 removed / yr
717.15 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

19734.8CAVAT value
32063.71Koch value
3535.85RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
95G u fextracted_critical wind speed
2025-06-18G u fextracted_inv date
Jalan Rajawali P9 B 1 G u fextracted_street
7001G u fextracted_taxon i d
3.4Crown base height
20.07Live 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 Rajawali P9 B 1 · 2.943095, 101.671177 · Elevation 34.1 m