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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 33312 · alive · Condition: fair · LC · Least Concern · Elevation: 56.4 m

Photos

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trunk branches leaf

Dimensions

11.66 mHeight
2.9 mTrunk height
32 cmTrunk diameter (DBH)
7.85 mCanopy height
5.8 mCanopy width
18.24 mCanopy circumference
26.11 m²Crown projection area
133.14 m³Crown volume
1Stems

Structure & risk

37.04Slenderness (H/D)
1.38Safety factor (default wind)
0.84 °Leaning angle
2.68 °Trunk lean angle
1.39Competition index
3.78 mTree protection zone
5.67 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
38.63 %Foliage transparency
2.03 %Dieback
80.42 %Crown density
98.62 %Crown light exposure ratio
67.32 %Live crown ratio
158.58 m²Leaf area
6.08Leaf area index (LAI)
1.2Leaf area / crown vol.

Ecosystem services

185.24 kgCarbon storage
32.39 kgCarbon sequestration / yr
85.58 kgOxygen production / yr
0.08 m³Avoided runoff
1.28 m³Water intercepted
1.5 m³Transpiration
1.27 m³Evaporation
7.81 m³Potential evapotranspiration
2.83 gCO removed / yr
11.17 gNO₂ removed / yr
24.1 gSO₂ removed / yr
7.03 gPM2.5 removed / yr
134.59 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

3433.46CAVAT value
14259.89Koch value
1474.84RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C/17 G u fextracted_street
7001G u fextracted_taxon i d
3.82Crown base height
11.66Live 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 P11 C/17 · 2.969731, 101.676429 · Elevation 56.4 m