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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 32896 · alive · Condition: fair · LC · Least Concern · Elevation: 48.5 m

Photos

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trunk branches leaf

Dimensions

12.9 mHeight
3.74 mTrunk height
26 cmTrunk diameter (DBH)
9.35 mCanopy height
10.34 mCanopy width
32.53 mCanopy circumference
80.27 m²Crown projection area
451.77 m³Crown volume
1Stems

Structure & risk

50.45Slenderness (H/D)
0.44Safety factor (default wind)
13.99 °Leaning angle
7.76 °Trunk lean angle
23.13Competition index
3.07 mTree protection zone
4.61 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
33.76 %Foliage transparency
0 %Dieback
65.73 %Crown density
76.88 %Crown light exposure ratio
72.47 %Live crown ratio
365.38 m²Leaf area
4.56Leaf area index (LAI)
0.81Leaf area / crown vol.

Ecosystem services

162.06 kgCarbon storage
18.04 kgCarbon sequestration / yr
47.67 kgOxygen production / yr
0.23 m³Avoided runoff
4.04 m³Water intercepted
4.76 m³Transpiration
4.02 m³Evaporation
24.79 m³Potential evapotranspiration
8.98 gCO removed / yr
35.47 gNO₂ removed / yr
76.52 gSO₂ removed / yr
22.32 gPM2.5 removed / yr
427.42 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

2253.87CAVAT value
11543.89Koch value
1194.93RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
45G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11dG u fextracted_street
7001G u fextracted_taxon i d
3.56Crown base height
12.9Live height

Clearances

ConflictRoad clearance
4.61 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.04 m³Road clearance — conflict volume
0.15Road clearance — conflict volume ratio

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 P11d · 2.963653, 101.672692 · Elevation 48.5 m