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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 35044 · alive · Condition: good · LC · Least Concern · Elevation: 35.5 m

Photos

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trunk branches leaf

Dimensions

7.97 mHeight
2.85 mTrunk height
23 cmTrunk diameter (DBH)
4.65 mCanopy height
7.52 mCanopy width
23.68 mCanopy circumference
43.55 m²Crown projection area
126.07 m³Crown volume
1Stems

Structure & risk

36.08Slenderness (H/D)
0.98Safety factor (default wind)
14.22 °Leaning angle
2.36 °Trunk lean angle
0.36Competition index
2.65 mTree protection zone
3.98 mRoot protection zone
l0TMS category

Health & vitality

goodCondition
mediumVitality
matureAge class
not defoliatedCrown transparency
12.85 %Foliage transparency
0 %Dieback
71.17 %Crown density
99.65 %Crown light exposure ratio
58.29 %Live crown ratio
227.71 m²Leaf area
5.23Leaf area index (LAI)
1.81Leaf area / crown vol.

Ecosystem services

87.13 kgCarbon storage
24.62 kgCarbon sequestration / yr
65.06 kgOxygen production / yr
0.14 m³Avoided runoff
2.48 m³Water intercepted
2.92 m³Transpiration
2.46 m³Evaporation
15.19 m³Potential evapotranspiration
4.75 gCO removed / yr
18.76 gNO₂ removed / yr
40.47 gSO₂ removed / yr
11.81 gPM2.5 removed / yr
226.06 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

1683.01CAVAT value
10126.13Koch value
1032.58RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
65G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11/2 G u fextracted_street
7001G u fextracted_taxon i d
3.33Crown base height
7.97Live height

Clearances

ConflictRoad clearance
3.08 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
1.55 m³Road clearance — conflict volume
6.94Road 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 P11/2 · 2.961629, 101.666945 · Elevation 35.5 m