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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 43849 · alive · Condition: good · LC · Least Concern · Elevation: 31.7 m

Photos

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trunk branches leaf

Dimensions

14.98 mHeight
2.39 mTrunk height
39 cmTrunk diameter (DBH)
11.88 mCanopy height
9.77 mCanopy width
30.79 mCanopy circumference
70.21 m²Crown projection area
542.24 m³Crown volume
2Stems

Structure & risk

39.02Slenderness (H/D)
1.13Safety factor (default wind)
16.93 °Leaning angle
10.39 °Trunk lean angle
7.19Competition index
4.61 mTree protection zone
6.91 mRoot protection zone
l2TMS category

Health & vitality

goodCondition
highVitality
matureAge class
not defoliatedCrown transparency
11.68 %Foliage transparency
0 %Dieback
79 %Crown density
92.82 %Crown light exposure ratio
79.35 %Live crown ratio
770.67 m²Leaf area
10.98Leaf area index (LAI)
1.43Leaf area / crown vol.

Ecosystem services

366.38 kgCarbon storage
52.98 kgCarbon sequestration / yr
140 kgOxygen production / yr
0.24 m³Avoided runoff
4.19 m³Water intercepted
4.92 m³Transpiration
4.16 m³Evaporation
25.65 m³Potential evapotranspiration
8.02 gCO removed / yr
31.68 gNO₂ removed / yr
68.35 gSO₂ removed / yr
19.94 gPM2.5 removed / yr
381.81 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

6073.74CAVAT value
18664.41Koch value
1961.58RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
70G u fextracted_critical wind speed
2025-06-20G u fextracted_inv date
Jalan Nuri P9 F G u fextracted_street
7001G u fextracted_taxon i d
3.22Crown base height
15.1Live 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 Nuri P9 F · 2.942054, 101.675800 · Elevation 31.7 m