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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34236 · alive · Condition: fair · LC · Least Concern · Elevation: 48.1 m

Photos

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trunk branches leaf

Dimensions

15.91 mHeight
5.89 mTrunk height
44 cmTrunk diameter (DBH)
9.15 mCanopy height
10.85 mCanopy width
34.21 mCanopy circumference
85.63 m²Crown projection area
547.27 m³Crown volume
1Stems

Structure & risk

36.35Slenderness (H/D)
0.93Safety factor (default wind)
3.67 °Leaning angle
4.56 °Trunk lean angle
7.31Competition index
5.26 mTree protection zone
7.88 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
31.92 %Foliage transparency
0 %Dieback
70.68 %Crown density
92.7 %Crown light exposure ratio
57.49 %Live crown ratio
607.07 m²Leaf area
7.1Leaf area index (LAI)
1.11Leaf area / crown vol.

Ecosystem services

394.9 kgCarbon storage
48.12 kgCarbon sequestration / yr
127.16 kgOxygen production / yr
0.26 m³Avoided runoff
4.45 m³Water intercepted
5.24 m³Transpiration
4.42 m³Evaporation
27.29 m³Potential evapotranspiration
9.88 gCO removed / yr
39.05 gNO₂ removed / yr
84.25 gSO₂ removed / yr
24.58 gPM2.5 removed / yr
470.63 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6658.72CAVAT value
18732.34Koch value
2053.87RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
65G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 D/2 G u fextracted_street
7001G u fextracted_taxon i d
6.77Crown base height
15.91Live 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 D/2 · 2.962913, 101.672007 · Elevation 48.1 m