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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 33713 · alive · Condition: fair · LC · Least Concern · Elevation: 48.9 m

Photos

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trunk branches leaf

Dimensions

14.26 mHeight
8.03 mTrunk height
22 cmTrunk diameter (DBH)
6.66 mCanopy height
6.58 mCanopy width
20.78 mCanopy circumference
29.76 m²Crown projection area
198.22 m³Crown volume
1Stems

Structure & risk

66.93Slenderness (H/D)
0.32Safety factor (default wind)
18.78 °Leaning angle
2.15 °Trunk lean angle
40.41Competition index
2.56 mTree protection zone
3.84 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
40.05 %Foliage transparency
0.56 %Dieback
70.55 %Crown density
59.6 %Crown light exposure ratio
46.69 %Live crown ratio
177.24 m²Leaf area
5.96Leaf area index (LAI)
0.9Leaf area / crown vol.

Ecosystem services

104.74 kgCarbon storage
14.69 kgCarbon sequestration / yr
38.82 kgOxygen production / yr
0.1 m³Avoided runoff
1.64 m³Water intercepted
1.93 m³Transpiration
1.63 m³Evaporation
10.04 m³Potential evapotranspiration
3.64 gCO removed / yr
14.36 gNO₂ removed / yr
30.98 gSO₂ removed / yr
9.04 gPM2.5 removed / yr
173.04 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

1566.23CAVAT value
9589.97Koch value
996.11RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
40G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Middle Jogging Track P11D G u fextracted_street
7001G u fextracted_taxon i d
7.61Crown base height
14.26Live 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

Middle Jogging Track P11D · 2.965303, 101.672279 · Elevation 48.9 m