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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 43390 · alive · Condition: fair · LC · Least Concern · Elevation: 33.1 m

Photos

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trunk branches leaf

Dimensions

15.46 mHeight
4.85 mTrunk height
64 cmTrunk diameter (DBH)
11.94 mCanopy height
13.16 mCanopy width
41.51 mCanopy circumference
137.62 m²Crown projection area
1055.24 m³Crown volume
1Stems

Structure & risk

24.21Slenderness (H/D)
2.68Safety factor (default wind)
9.24 °Leaning angle
1.33 °Trunk lean angle
0.91Competition index
7.66 mTree protection zone
11.49 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
15.46 %Foliage transparency
0.87 %Dieback
79.12 %Crown density
99.1 %Crown light exposure ratio
77.22 %Live crown ratio
1124.51 m²Leaf area
8.18Leaf area index (LAI)
1.07Leaf area / crown vol.

Ecosystem services

881.95 kgCarbon storage
74.88 kgCarbon sequestration / yr
197.87 kgOxygen production / yr
0.37 m³Avoided runoff
6.55 m³Water intercepted
7.7 m³Transpiration
6.5 m³Evaporation
40.14 m³Potential evapotranspiration
14.54 gCO removed / yr
57.44 gNO₂ removed / yr
123.92 gSO₂ removed / yr
36.15 gPM2.5 removed / yr
692.22 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

14108.02CAVAT value
28764.34Koch value
2989.59RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
110G u fextracted_critical wind speed
2025-06-18G u fextracted_inv date
Jalan Enggang P9 G u fextracted_street
7001G u fextracted_taxon i d
3.53Crown base height
15.46Live 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 · 2.941710, 101.675654 · Elevation 33.1 m