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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 32171 · alive · Condition: fair · LC · Least Concern · Elevation: 56.2 m

Photos

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trunk branches leaf

Dimensions

13.18 mHeight
4.35 mTrunk height
29 cmTrunk diameter (DBH)
8.47 mCanopy height
4.53 mCanopy width
14.22 mCanopy circumference
16.4 m²Crown projection area
80.1 m³Crown volume
1Stems

Structure & risk

46.05Slenderness (H/D)
1.2Safety factor (default wind)
0.63 °Leaning angle
4.6 °Trunk lean angle
7.08Competition index
3.44 mTree protection zone
5.15 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
21.62 %Foliage transparency
0 %Dieback
75.48 %Crown density
92.93 %Crown light exposure ratio
64.26 %Live crown ratio
184.54 m²Leaf area
11.26Leaf area index (LAI)
2.31Leaf area / crown vol.

Ecosystem services

151.03 kgCarbon storage
29.13 kgCarbon sequestration / yr
76.96 kgOxygen production / yr
0.05 m³Avoided runoff
0.78 m³Water intercepted
0.92 m³Transpiration
0.77 m³Evaporation
4.75 m³Potential evapotranspiration
1.72 gCO removed / yr
6.8 gNO₂ removed / yr
14.67 gSO₂ removed / yr
4.28 gPM2.5 removed / yr
81.91 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

2843.71CAVAT value
12824.71Koch value
1342.21RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
75G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C G u fextracted_street
7001G u fextracted_taxon i d
4.71Crown base height
13.18Live 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 P11 C · 2.969630, 101.676282 · Elevation 56.2 m