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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 42540 · alive · Condition: good · LC · Least Concern · Elevation: 34.8 m

Photos

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trunk branches leaf

Dimensions

10.87 mHeight
3.73 mTrunk height
38 cmTrunk diameter (DBH)
4.34 mCanopy height
7.34 mCanopy width
23.04 mCanopy circumference
43.04 m²Crown projection area
190.22 m³Crown volume
1Stems

Structure & risk

28.95Slenderness (H/D)
3.11Safety factor (default wind)
11.87 °Leaning angle
1.8 °Trunk lean angle
2.98Competition index
4.51 mTree protection zone
6.76 mRoot protection zone
l0TMS category

Health & vitality

goodCondition
highVitality
matureAge class
not defoliatedCrown transparency
12.79 %Foliage transparency
0 %Dieback
84.53 %Crown density
97.03 %Crown light exposure ratio
39.87 %Live crown ratio
275.05 m²Leaf area
6.4Leaf area index (LAI)
1.45Leaf area / crown vol.

Ecosystem services

269.22 kgCarbon storage
45.76 kgCarbon sequestration / yr
120.92 kgOxygen production / yr
0.14 m³Avoided runoff
2.36 m³Water intercepted
2.78 m³Transpiration
2.34 m³Evaporation
14.45 m³Potential evapotranspiration
4.52 gCO removed / yr
17.84 gNO₂ removed / yr
38.49 gSO₂ removed / yr
11.23 gPM2.5 removed / yr
215.01 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4865.84CAVAT value
17242.08Koch value
1755.73RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
120G u fextracted_critical wind speed
2025-06-18G u fextracted_inv date
Jalan Kenyalang P9 G G u fextracted_street
7001G u fextracted_taxon i d
6.54Crown base height
10.87Live 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 Kenyalang P9 G · 2.946615, 101.679431 · Elevation 34.8 m