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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15124 · alive · Condition: fair · LC · Least Concern · Elevation: 29.9 m

Photos

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trunk branches leaf

Dimensions

16.78 mHeight
5.82 mTrunk height
75 cmTrunk diameter (DBH)
11.31 mCanopy height
15.73 mCanopy width
49.86 mCanopy circumference
169.7 m²Crown projection area
1324.98 m³Crown volume
1Stems

Structure & risk

22.62Slenderness (H/D)
2.91Safety factor (default wind)
4.01 °Leaning angle
1.34 °Trunk lean angle
1.97Competition index
8.91 mTree protection zone
13.36 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
16.68 %Foliage transparency
0 %Dieback
72.44 %Crown density
98.04 %Crown light exposure ratio
67.36 %Live crown ratio
1254.93 m²Leaf area
7.4Leaf area index (LAI)
0.95Leaf area / crown vol.

Ecosystem services

1233.47 kgCarbon storage
91.87 kgCarbon sequestration / yr
242.77 kgOxygen production / yr
0.53 m³Avoided runoff
9.36 m³Water intercepted
11.01 m³Transpiration
9.3 m³Evaporation
57.37 m³Potential evapotranspiration
20.78 gCO removed / yr
82.1 gNO₂ removed / yr
177.13 gSO₂ removed / yr
51.67 gPM2.5 removed / yr
989.5 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

19028.61CAVAT value
33236.53Koch value
3472.01RADO 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
5.48Crown base height
16.78Live 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 · 2.923438, 101.685596 · Elevation 29.9 m