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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15230 · alive · Condition: fair · LC · Least Concern · Elevation: 28.3 m

Photos

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trunk branches leaf

Dimensions

16.36 mHeight
3.5 mTrunk height
64 cmTrunk diameter (DBH)
10.96 mCanopy height
15.75 mCanopy width
49.62 mCanopy circumference
183.08 m²Crown projection area
1448.37 m³Crown volume
1Stems

Structure & risk

25.89Slenderness (H/D)
2.21Safety factor (default wind)
4.34 °Leaning angle
2.41 °Trunk lean angle
0Competition index
7.59 mTree protection zone
11.38 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
16.99 %Foliage transparency
0.06 %Dieback
79.7 %Crown density
100 %Crown light exposure ratio
66.98 %Live crown ratio
991.24 m²Leaf area
5.42Leaf area index (LAI)
0.69Leaf area / crown vol.

Ecosystem services

868.78 kgCarbon storage
75.62 kgCarbon sequestration / yr
199.81 kgOxygen production / yr
0.53 m³Avoided runoff
9.38 m³Water intercepted
11.03 m³Transpiration
9.32 m³Evaporation
57.51 m³Potential evapotranspiration
20.82 gCO removed / yr
82.29 gNO₂ removed / yr
177.54 gSO₂ removed / yr
51.79 gPM2.5 removed / yr
991.8 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

13877.61CAVAT value
28930.78Koch value
2965.07RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
100G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Lebuh Wawasan G u fextracted_street
7001G u fextracted_taxon i d
5.41Crown base height
16.36Live 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

Lebuh Wawasan · 2.926535, 101.685816 · Elevation 28.3 m