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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 45040 · alive · Condition: fair · LC · Least Concern · Elevation: 37.2 m

Photos

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trunk branches leaf

Dimensions

13.49 mHeight
3.2 mTrunk height
42 cmTrunk diameter (DBH)
10.6 mCanopy height
10.15 mCanopy width
31.88 mCanopy circumference
78.78 m²Crown projection area
519.57 m³Crown volume
1Stems

Structure & risk

32.16Slenderness (H/D)
1.39Safety factor (default wind)
1.66 °Leaning angle
1.26 °Trunk lean angle
0Competition index
5.04 mTree protection zone
7.55 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
17.72 %Foliage transparency
3.78 %Dieback
75.07 %Crown density
100 %Crown light exposure ratio
78.57 %Live crown ratio
654.99 m²Leaf area
8.32Leaf area index (LAI)
1.27Leaf area / crown vol.

Ecosystem services

357.92 kgCarbon storage
45.2 kgCarbon sequestration / yr
119.43 kgOxygen production / yr
0.22 m³Avoided runoff
3.9 m³Water intercepted
4.58 m³Transpiration
3.87 m³Evaporation
23.88 m³Potential evapotranspiration
8.65 gCO removed / yr
34.17 gNO₂ removed / yr
73.71 gSO₂ removed / yr
21.5 gPM2.5 removed / yr
411.76 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6080.77CAVAT value
19306.54Koch value
1962.72RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-20G u fextracted_inv date
Jalan Nuri P9 F G u fextracted_street
7001G u fextracted_taxon i d
2.9Crown base height
13.49Live 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 Nuri P9 F · 2.940765, 101.676628 · Elevation 37.2 m