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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 18237 · alive · Condition: good · LC · Least Concern · Elevation: 33.5 m

Photos

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trunk branches leaf

Dimensions

25.85 mHeight
8.24 mTrunk height
72 cmTrunk diameter (DBH)
16.89 mCanopy height
9.35 mCanopy width
29.38 mCanopy circumference
69.28 m²Crown projection area
788.23 m³Crown volume
1Stems

Structure & risk

35.98Slenderness (H/D)
1.62Safety factor (default wind)
1.34 °Leaning angle
5.75 °Trunk lean angle
5.38Competition index
8.63 mTree protection zone
12.94 mRoot protection zone
l0TMS category

Health & vitality

goodCondition
mediumVitality
matureAge class
not defoliatedCrown transparency
14.06 %Foliage transparency
0 %Dieback
78.32 %Crown density
66.25 %Crown light exposure ratio
65.34 %Live crown ratio
1202.04 m²Leaf area
17.36Leaf area index (LAI)
1.53Leaf area / crown vol.

Ecosystem services

1515.16 kgCarbon storage
74.1 kgCarbon sequestration / yr
195.82 kgOxygen production / yr
0.22 m³Avoided runoff
3.83 m³Water intercepted
4.51 m³Transpiration
3.81 m³Evaporation
23.48 m³Potential evapotranspiration
7.34 gCO removed / yr
29 gNO₂ removed / yr
62.58 gSO₂ removed / yr
18.25 gPM2.5 removed / yr
349.54 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

17808.16CAVAT value
31141.52Koch value
3358.83RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
85G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P3 M G u fextracted_street
7001G u fextracted_taxon i d
8.96Crown base height
25.85Live 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 P3 M · 2.916197, 101.685990 · Elevation 33.5 m