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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 45803 · alive · Condition: good · LC · Least Concern · Elevation: 52.1 m

Photos

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trunk branches leaf

Dimensions

15.71 mHeight
12.66 mTrunk height
21 cmTrunk diameter (DBH)
2.6 mCanopy height
4.91 mCanopy width
15.42 mCanopy circumference
18.22 m²Crown projection area
28.27 m³Crown volume
1Stems

Structure & risk

76.37Slenderness (H/D)
0.68Safety factor (default wind)
2.99 °Leaning angle
0 °Trunk lean angle
10.9Competition index
2.47 mTree protection zone
3.71 mRoot protection zone
l1TMS category

Health & vitality

goodCondition
highVitality
matureAge class
not defoliatedCrown transparency
12.46 %Foliage transparency
0 %Dieback
90.78 %Crown density
89.11 %Crown light exposure ratio
16.55 %Live crown ratio
85.37 m²Leaf area
4.69Leaf area index (LAI)
3.02Leaf area / crown vol.

Ecosystem services

74.53 kgCarbon storage
22.96 kgCarbon sequestration / yr
60.67 kgOxygen production / yr
0.06 m³Avoided runoff
1.06 m³Water intercepted
1.24 m³Transpiration
1.05 m³Evaporation
6.47 m³Potential evapotranspiration
2.02 gCO removed / yr
7.99 gNO₂ removed / yr
17.23 gSO₂ removed / yr
5.03 gPM2.5 removed / yr
96.22 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

1457.96CAVAT value
8692.76Koch value
961.06RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
55G u fextracted_critical wind speed
2025-06-20G u fextracted_inv date
Jalan P9c/1G u fextracted_street
7001G u fextracted_taxon i d
13.21Crown base height
15.8Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P9c/1 · 2.940694, 101.680432 · Elevation 52.1 m