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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 27350 · alive · Condition: fair · LC · Least Concern · Elevation: 33.7 m

Photos

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trunk branches leaf

Dimensions

19.4 mHeight
9.02 mTrunk height
28 cmTrunk diameter (DBH)
12.46 mCanopy height
8.31 mCanopy width
26.09 mCanopy circumference
51.95 m²Crown projection area
364.99 m³Crown volume
1Stems

Structure & risk

70.06Slenderness (H/D)
0.21Safety factor (default wind)
16.15 °Leaning angle
6.48 °Trunk lean angle
0.04Competition index
3.33 mTree protection zone
4.99 mRoot protection zone
l1TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
50.38 %Foliage transparency
0 %Dieback
65.85 %Crown density
99.97 %Crown light exposure ratio
64.22 %Live crown ratio
320.33 m²Leaf area
6.17Leaf area index (LAI)
0.88Leaf area / crown vol.

Ecosystem services

159.98 kgCarbon storage
30.65 kgCarbon sequestration / yr
81 kgOxygen production / yr
0.15 m³Avoided runoff
2.61 m³Water intercepted
3.07 m³Transpiration
2.59 m³Evaporation
15.99 m³Potential evapotranspiration
5.79 gCO removed / yr
22.88 gNO₂ removed / yr
49.35 gSO₂ removed / yr
14.4 gPM2.5 removed / yr
275.68 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

2659.39CAVAT value
12014.24Koch value
1297.99RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
30G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Persiaran Utara G u fextracted_street
7001G u fextracted_taxon i d
6.95Crown base height
19.4Live 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 availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Persiaran Utara · 2.956155, 101.689630 · Elevation 33.7 m