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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 36373 · alive · Condition: fair · LC · Least Concern · Elevation: 41.7 m

Photos

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trunk branches leaf

Dimensions

6.24 mHeight
3.3 mTrunk height
12 cmTrunk diameter (DBH)
3.03 mCanopy height
2.05 mCanopy width
6.53 mCanopy circumference
3.45 m²Crown projection area
5.88 m³Crown volume
1Stems

Structure & risk

54.16Slenderness (H/D)
0.95Safety factor (default wind)
4.64 °Leaning angle
5.14 °Trunk lean angle
0Competition index
1.39 mTree protection zone
2.08 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
youngAge class
moderately defoliatedCrown transparency
46.77 %Foliage transparency
7.33 %Dieback
61.95 %Crown density
100 %Crown light exposure ratio
48.59 %Live crown ratio
14.09 m²Leaf area
4.1Leaf area index (LAI)
2.4Leaf area / crown vol.

Ecosystem services

19.33 kgCarbon storage
9.25 kgCarbon sequestration / yr
24.42 kgOxygen production / yr
0.01 m³Avoided runoff
0.16 m³Water intercepted
0.19 m³Transpiration
0.16 m³Evaporation
0.97 m³Potential evapotranspiration
0.36 gCO removed / yr
1.39 gNO₂ removed / yr
2.99 gSO₂ removed / yr
0.88 gPM2.5 removed / yr
16.68 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

457.34CAVAT value
4972.48Koch value
538.27RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
65G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11F/18 G u fextracted_street
7001G u fextracted_taxon i d
3.21Crown base height
6.24Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11F/18 · 2.962355, 101.669708 · Elevation 41.7 m