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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 45123 · alive · Condition: fair · LC · Least Concern · Elevation: 36.8 m

Photos

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trunk branches leaf

Dimensions

15.65 mHeight
4.27 mTrunk height
118 cmTrunk diameter (DBH)
14.83 mCanopy height
19.74 mCanopy width
62.03 mCanopy circumference
294.84 m²Crown projection area
3184.76 m³Crown volume
2Stems

Structure & risk

13.33Slenderness (H/D)
8.2Safety factor (default wind)
1.03 °Leaning angle
2.74 °Trunk lean angle
0Competition index
14.1 mTree protection zone
21.14 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
15.29 %Foliage transparency
0 %Dieback
80.02 %Crown density
100 %Crown light exposure ratio
94.77 %Live crown ratio
3212.45 m²Leaf area
10.9Leaf area index (LAI)
1.01Leaf area / crown vol.

Ecosystem services

3379.8 kgCarbon storage
78.47 kgCarbon sequestration / yr
207.34 kgOxygen production / yr
0.84 m³Avoided runoff
14.73 m³Water intercepted
17.33 m³Transpiration
14.64 m³Evaporation
90.35 m³Potential evapotranspiration
32.71 gCO removed / yr
129.28 gNO₂ removed / yr
278.94 gSO₂ removed / yr
81.36 gPM2.5 removed / yr
1558.2 gO₃ removed / yr

Data quality

2Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

47533.23CAVAT value
52167.33Koch value
5487.52RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
2025-06-20G u fextracted_inv date
Jalan Enggang P9 G u fextracted_street
7001G u fextracted_taxon i d
0.79Crown base height
15.62Live 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 Enggang P9 · 2.940832, 101.676384 · Elevation 36.8 m