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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 28135 · alive · Condition: good · LC · Least Concern · Elevation: 45.5 m

Photos

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trunk branches leaf

Dimensions

21.99 mHeight
7.2 mTrunk height
74 cmTrunk diameter (DBH)
11.04 mCanopy height
10.66 mCanopy width
33.49 mCanopy circumference
91.18 m²Crown projection area
919.41 m³Crown volume
1Stems

Structure & risk

29.93Slenderness (H/D)
2.4Safety factor (default wind)
5.8 °Leaning angle
3.65 °Trunk lean angle
11.33Competition index
8.82 mTree protection zone
13.23 mRoot protection zone
l0TMS category

Health & vitality

goodCondition
highVitality
matureAge class
not defoliatedCrown transparency
10.13 %Foliage transparency
0 %Dieback
84.93 %Crown density
88.68 %Crown light exposure ratio
50.19 %Live crown ratio
1250.62 m²Leaf area
13.72Leaf area index (LAI)
1.37Leaf area / crown vol.

Ecosystem services

1235.65 kgCarbon storage
106.53 kgCarbon sequestration / yr
281.51 kgOxygen production / yr
0.29 m³Avoided runoff
4.98 m³Water intercepted
5.86 m³Transpiration
4.95 m³Evaporation
30.53 m³Potential evapotranspiration
9.54 gCO removed / yr
37.71 gNO₂ removed / yr
81.35 gSO₂ removed / yr
23.73 gPM2.5 removed / yr
454.42 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

18609.35CAVAT value
33934.06Koch value
3433.55RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
105G u fextracted_critical wind speed
2025-06-17G u fextracted_inv date
Jalan P11 A5/6 G u fextracted_street
7001G u fextracted_taxon i d
11.22Crown base height
22.26Live 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 P11 A5/6 · 2.956988, 101.684976 · Elevation 45.5 m