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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15110 · alive · Condition: fair · LC · Least Concern · Elevation: 28.4 m

Photos

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trunk branches leaf

Dimensions

13.03 mHeight
6.44 mTrunk height
43 cmTrunk diameter (DBH)
9.45 mCanopy height
6.88 mCanopy width
21.62 mCanopy circumference
34.64 m²Crown projection area
216.12 m³Crown volume
1Stems

Structure & risk

30.51Slenderness (H/D)
2.6Safety factor (default wind)
3.08 °Leaning angle
2.22 °Trunk lean angle
1.01Competition index
5.13 mTree protection zone
7.69 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
36.92 %Foliage transparency
5.94 %Dieback
61.52 %Crown density
99 %Crown light exposure ratio
72.53 %Live crown ratio
188.55 m²Leaf area
5.45Leaf area index (LAI)
0.88Leaf area / crown vol.

Ecosystem services

363.74 kgCarbon storage
46.23 kgCarbon sequestration / yr
122.16 kgOxygen production / yr
0.11 m³Avoided runoff
1.79 m³Water intercepted
2.11 m³Transpiration
1.78 m³Evaporation
10.96 m³Potential evapotranspiration
3.97 gCO removed / yr
15.68 gNO₂ removed / yr
33.82 gSO₂ removed / yr
9.87 gPM2.5 removed / yr
188.89 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6330.21CAVAT value
19153.05Koch value
2002.57RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
110G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 D G u fextracted_street
7001G u fextracted_taxon i d
3.58Crown base height
13.03Live 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 D · 2.925366, 101.685948 · Elevation 28.4 m