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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15117 · alive · Condition: fair · LC · Least Concern · Elevation: 29.2 m

Photos

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trunk branches leaf

Dimensions

19.95 mHeight
7.43 mTrunk height
70 cmTrunk diameter (DBH)
15.41 mCanopy height
11.16 mCanopy width
35.07 mCanopy circumference
97.72 m²Crown projection area
1006.13 m³Crown volume
1Stems

Structure & risk

28.85Slenderness (H/D)
2.29Safety factor (default wind)
5.63 °Leaning angle
2.85 °Trunk lean angle
10.04Competition index
8.3 mTree protection zone
12.45 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
41.4 %Foliage transparency
0 %Dieback
61.83 %Crown density
89.97 %Crown light exposure ratio
77.26 %Live crown ratio
523.74 m²Leaf area
5.36Leaf area index (LAI)
0.53Leaf area / crown vol.

Ecosystem services

1089.15 kgCarbon storage
85.13 kgCarbon sequestration / yr
224.95 kgOxygen production / yr
0.27 m³Avoided runoff
4.71 m³Water intercepted
5.54 m³Transpiration
4.68 m³Evaporation
28.86 m³Potential evapotranspiration
10.45 gCO removed / yr
41.29 gNO₂ removed / yr
89.08 gSO₂ removed / yr
25.99 gPM2.5 removed / yr
497.62 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

16495.42CAVAT value
30278.78Koch value
3232.66RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
100G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 F G u fextracted_street
7001G u fextracted_taxon i d
4.54Crown base height
19.95Live 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 P2 F · 2.924343, 101.685772 · Elevation 29.2 m