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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34304 · alive · Condition: fair · LC · Least Concern · Elevation: 48.2 m

Photos

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trunk branches leaf

Dimensions

18.13 mHeight
8.44 mTrunk height
37 cmTrunk diameter (DBH)
7.45 mCanopy height
6.24 mCanopy width
19.61 mCanopy circumference
29.29 m²Crown projection area
112.74 m³Crown volume
1Stems

Structure & risk

49Slenderness (H/D)
1.21Safety factor (default wind)
1.69 °Leaning angle
2.86 °Trunk lean angle
0.81Competition index
4.44 mTree protection zone
6.66 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
33.57 %Foliage transparency
0 %Dieback
55.38 %Crown density
99.2 %Crown light exposure ratio
41.09 %Live crown ratio
125.49 m²Leaf area
4.29Leaf area index (LAI)
1.12Leaf area / crown vol.

Ecosystem services

270.91 kgCarbon storage
40.32 kgCarbon sequestration / yr
106.53 kgOxygen production / yr
0.09 m³Avoided runoff
1.47 m³Water intercepted
1.73 m³Transpiration
1.46 m³Evaporation
9.01 m³Potential evapotranspiration
3.27 gCO removed / yr
12.9 gNO₂ removed / yr
27.82 gSO₂ removed / yr
8.12 gPM2.5 removed / yr
155.38 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

4757.35CAVAT value
16273.46Koch value
1736.05RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
75G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 D/2 G u fextracted_street
7001G u fextracted_taxon i d
10.68Crown base height
18.13Live 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 D/2 · 2.962869, 101.671999 · Elevation 48.2 m