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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 38938 · alive · Condition: fair · LC · Least Concern · Elevation: 23.2 m

Photos

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trunk branches leaf

Dimensions

22.91 mHeight
10.4 mTrunk height
50 cmTrunk diameter (DBH)
14.97 mCanopy height
9.49 mCanopy width
29.83 mCanopy circumference
68.32 m²Crown projection area
528.69 m³Crown volume
1Stems

Structure & risk

46.75Slenderness (H/D)
0.71Safety factor (default wind)
13.52 °Leaning angle
1.26 °Trunk lean angle
44.35Competition index
5.89 mTree protection zone
8.83 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
33.19 %Foliage transparency
0.4 %Dieback
68.25 %Crown density
55.66 %Crown light exposure ratio
65.33 %Live crown ratio
600.91 m²Leaf area
8.8Leaf area index (LAI)
1.14Leaf area / crown vol.

Ecosystem services

661.52 kgCarbon storage
40.04 kgCarbon sequestration / yr
105.79 kgOxygen production / yr
0.2 m³Avoided runoff
3.41 m³Water intercepted
4.01 m³Transpiration
3.39 m³Evaporation
20.9 m³Potential evapotranspiration
7.57 gCO removed / yr
29.9 gNO₂ removed / yr
64.51 gSO₂ removed / yr
18.82 gPM2.5 removed / yr
360.33 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

8344.07CAVAT value
21404.33Koch value
2299.15RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
55G u fextracted_critical wind speed
2025-06-19G u fextracted_inv date
Jalan P8 E2 G u fextracted_street
7001G u fextracted_taxon i d
7.95Crown base height
22.91Live 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 P8 E2 · 2.931278, 101.682241 · Elevation 23.2 m