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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 27349 · alive · Condition: fair · LC · Least Concern · Elevation: 34.2 m

Photos

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trunk branches leaf

Dimensions

14.15 mHeight
3.85 mTrunk height
18 cmTrunk diameter (DBH)
7.74 mCanopy height
5.33 mCanopy width
16.79 mCanopy circumference
19.72 m²Crown projection area
111.03 m³Crown volume
1Stems

Structure & risk

80.09Slenderness (H/D)
0.24Safety factor (default wind)
6.72 °Leaning angle
6.22 °Trunk lean angle
0.55Competition index
2.12 mTree protection zone
3.18 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
youngAge class
moderately defoliatedCrown transparency
35.91 %Foliage transparency
4.69 %Dieback
54.54 %Crown density
99.46 %Crown light exposure ratio
54.68 %Live crown ratio
89.33 m²Leaf area
4.53Leaf area index (LAI)
0.81Leaf area / crown vol.

Ecosystem services

56.53 kgCarbon storage
17.18 kgCarbon sequestration / yr
45.39 kgOxygen production / yr
0.07 m³Avoided runoff
1.08 m³Water intercepted
1.26 m³Transpiration
1.07 m³Evaporation
6.57 m³Potential evapotranspiration
2.38 gCO removed / yr
9.4 gNO₂ removed / yr
20.28 gSO₂ removed / yr
5.92 gPM2.5 removed / yr
113.29 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

1077.41CAVAT value
7532.76Koch value
826.17RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
35G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Persiaran Utara G u fextracted_street
7001G u fextracted_taxon i d
6.42Crown base height
14.15Live 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

Persiaran Utara · 2.956091, 101.689500 · Elevation 34.2 m