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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 33466 · alive · Condition: fair · LC · Least Concern · Elevation: 51.5 m

Photos

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trunk branches leaf

Dimensions

22.23 mHeight
2.75 mTrunk height
45 cmTrunk diameter (DBH)
21.11 mCanopy height
7.6 mCanopy width
23.91 mCanopy circumference
46.03 m²Crown projection area
623.62 m³Crown volume
3Stems

Structure & risk

50.15Slenderness (H/D)
0.52Safety factor (default wind)
1.97 °Leaning angle
12.67 °Trunk lean angle
25.36Competition index
5.32 mTree protection zone
7.98 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
33 %Foliage transparency
0 %Dieback
72.04 %Crown density
74.65 %Crown light exposure ratio
94.98 %Live crown ratio
674.44 m²Leaf area
14.66Leaf area index (LAI)
1.09Leaf area / crown vol.

Ecosystem services

462.66 kgCarbon storage
33.02 kgCarbon sequestration / yr
87.26 kgOxygen production / yr
0.13 m³Avoided runoff
2.19 m³Water intercepted
2.57 m³Transpiration
2.17 m³Evaporation
13.4 m³Potential evapotranspiration
4.85 gCO removed / yr
19.17 gNO₂ removed / yr
41.35 gSO₂ removed / yr
12.06 gPM2.5 removed / yr
230.98 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

5940CAVAT value
17890.03Koch value
1939.87RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
50G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C/10 G u fextracted_street
7001G u fextracted_taxon i d
1.21Crown base height
22.32Live 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/10 · 2.970583, 101.675516 · Elevation 51.5 m