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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 45046 · alive · Condition: fair · LC · Least Concern · Elevation: 37.1 m

Photos

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trunk branches leaf

Dimensions

11.33 mHeight
5.76 mTrunk height
44 cmTrunk diameter (DBH)
4.42 mCanopy height
7.85 mCanopy width
24.65 mCanopy circumference
48.37 m²Crown projection area
256.13 m³Crown volume
1Stems

Structure & risk

26.15Slenderness (H/D)
3.13Safety factor (default wind)
6.72 °Leaning angle
2.19 °Trunk lean angle
0Competition index
5.21 mTree protection zone
7.81 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
16.06 %Foliage transparency
22.53 %Dieback
81.74 %Crown density
100 %Crown light exposure ratio
38.99 %Live crown ratio
230.04 m²Leaf area
4.76Leaf area index (LAI)
0.9Leaf area / crown vol.

Ecosystem services

368 kgCarbon storage
46.61 kgCarbon sequestration / yr
123.17 kgOxygen production / yr
0.14 m³Avoided runoff
2.33 m³Water intercepted
2.74 m³Transpiration
2.32 m³Evaporation
14.27 m³Potential evapotranspiration
5.17 gCO removed / yr
20.42 gNO₂ removed / yr
44.06 gSO₂ removed / yr
12.85 gPM2.5 removed / yr
246.1 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6527.89CAVAT value
20248.69Koch value
2033.6RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
120G u fextracted_critical wind speed
2025-06-20G u fextracted_inv date
Jalan Enggang P9 G u fextracted_street
7001G u fextracted_taxon i d
6.92Crown base height
11.33Live 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 · 2.940790, 101.676552 · Elevation 37.1 m