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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 35859 · alive · Condition: fair · LC · Least Concern · Elevation: 36.8 m

Photos

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trunk branches leaf

Dimensions

13.67 mHeight
5.34 mTrunk height
42 cmTrunk diameter (DBH)
6.88 mCanopy height
7.54 mCanopy width
23.71 mCanopy circumference
43.95 m²Crown projection area
227.7 m³Crown volume
2Stems

Structure & risk

32.93Slenderness (H/D)
1.52Safety factor (default wind)
3.25 °Leaning angle
2.31 °Trunk lean angle
0Competition index
4.99 mTree protection zone
7.48 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
17.51 %Foliage transparency
0 %Dieback
76.82 %Crown density
100 %Crown light exposure ratio
50.28 %Live crown ratio
377.22 m²Leaf area
8.59Leaf area index (LAI)
1.66Leaf area / crown vol.

Ecosystem services

326.82 kgCarbon storage
44.16 kgCarbon sequestration / yr
116.69 kgOxygen production / yr
0.13 m³Avoided runoff
2.15 m³Water intercepted
2.53 m³Transpiration
2.14 m³Evaporation
13.18 m³Potential evapotranspiration
4.78 gCO removed / yr
18.86 gNO₂ removed / yr
40.69 gSO₂ removed / yr
11.87 gPM2.5 removed / yr
227.28 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

5704.47CAVAT value
17788.23Koch value
1901.02RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
85G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11f/20G u fextracted_street
7001G u fextracted_taxon i d
6.8Crown base height
13.67Live 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 P11f/20 · 2.963004, 101.668445 · Elevation 36.8 m