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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15089 · alive · Condition: fair · LC · Least Concern · Elevation: 28.5 m

Photos

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trunk branches leaf

Dimensions

10.39 mHeight
5.17 mTrunk height
42 cmTrunk diameter (DBH)
5.43 mCanopy height
9.19 mCanopy width
29 mCanopy circumference
68.65 m²Crown projection area
265.8 m³Crown volume
2Stems

Structure & risk

24.79Slenderness (H/D)
2.85Safety factor (default wind)
5.27 °Leaning angle
6.62 °Trunk lean angle
7.49Competition index
5.04 mTree protection zone
7.55 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
42.29 %Foliage transparency
2.88 %Dieback
76.51 %Crown density
92.52 %Crown light exposure ratio
52.19 %Live crown ratio
164.17 m²Leaf area
2.4Leaf area index (LAI)
0.62Leaf area / crown vol.

Ecosystem services

344.95 kgCarbon storage
44.75 kgCarbon sequestration / yr
118.25 kgOxygen production / yr
0.18 m³Avoided runoff
3.19 m³Water intercepted
3.76 m³Transpiration
3.17 m³Evaporation
19.57 m³Potential evapotranspiration
7.09 gCO removed / yr
28.01 gNO₂ removed / yr
60.42 gSO₂ removed / yr
17.63 gPM2.5 removed / yr
337.49 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6058.73CAVAT value
17835.8Koch value
1959.16RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
115G 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
4.97Crown base height
10.39Live 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 · 2.924369, 101.685689 · Elevation 28.5 m