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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 42424 · alive · Condition: fair · LC · Least Concern · Elevation: 33.9 m

Photos

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trunk branches leaf

Dimensions

23.38 mHeight
4.83 mTrunk height
53 cmTrunk diameter (DBH)
19.65 mCanopy height
11.65 mCanopy width
36.68 mCanopy circumference
100.13 m²Crown projection area
1447.62 m³Crown volume
1Stems

Structure & risk

44.19Slenderness (H/D)
0.66Safety factor (default wind)
5.32 °Leaning angle
12.58 °Trunk lean angle
22.55Competition index
6.35 mTree protection zone
9.53 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
27.78 %Foliage transparency
0 %Dieback
65.64 %Crown density
77.46 %Crown light exposure ratio
84.03 %Live crown ratio
1348.08 m²Leaf area
13.47Leaf area index (LAI)
0.94Leaf area / crown vol.

Ecosystem services

804.05 kgCarbon storage
44.28 kgCarbon sequestration / yr
117.02 kgOxygen production / yr
0.29 m³Avoided runoff
5.14 m³Water intercepted
6.04 m³Transpiration
5.1 m³Evaporation
31.49 m³Potential evapotranspiration
11.4 gCO removed / yr
45.06 gNO₂ removed / yr
97.21 gSO₂ removed / yr
28.36 gPM2.5 removed / yr
543.04 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

9649.38CAVAT value
23125.52Koch value
2472.45RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
55G u fextracted_critical wind speed
2025-06-18G u fextracted_inv date
Jalan Rajawali P9 B 1 G u fextracted_street
7001G u fextracted_taxon i d
3.89Crown base height
23.54Live 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 Rajawali P9 B 1 · 2.942995, 101.671228 · Elevation 33.9 m