Foreste urbane: il respiro delle città Preliminary results of forest monitoring

Sample areas

Tree level (trees, shrubs)

species dendrometric parameters

Tree height

DBH

Crown sizes

geographical coordinates Dead wood

dead trees

snags / stumps

Decay Class

Stand level

site characteristics

canopy cover

ALS layers

meteorological data

users preferences

tree growth parameters

Dendrometric parameters

ADS NP_ha dg G H_med H_ins

PNM_14A 420 20,08 13,30 11,86 3,39

PNM_18C 340 22,40 13,40 13,99 4,93

PNM_1A 400 25,54 20,49 14,45 4,21

PNM_1D 260 25,88 13,68 13,29 2,77

PNM_23B 500 15,89 9,92 9,66 1,99

PNM_25A 640 15,02 11,35 11,29 4,89

maristella 680 13,48 9,70 10,43 3,77

boscoincittà 260 28,26 16,31 16,77 5,30

0

50

100

150

5 10 15 20 25 30

Fre

quency

/ha

Diameter classes at 1.30 (cm)

To estimate carbon storage and

sequestration, quantitative and

qualitative parameters in four

carbon pools (above-ground bio-

mass, below-ground biomass, soil

and dead organic matter) were

collected in sample areas

allometric equations from IFNI

Carbon sequestration

Plot ID Biomass

Mg ha-1 C above C below

Soil Organic

Carbon

1A 145,9 72,9 36,5 48,4

1D 106,9 53,5 26,7 52,1

2A Th 166,6 83,3 41,6 63,5

2A Unth 183,8 91,9 46,0 48,4

9A 53,6 26,8 13,4 102,8

14A 80,7 40,3 20,2 61,5

18C 89,4 44,7 22,4 62,7

23B 42,2 21,1 10,6 64,6

Bosco Fontana 60,4 30,2 15,1 61,8

Maristella 38,4 19,2 9,6 76,2

Carbon sequestration

0,0

20,0

40,0

60,0

80,0

100,0

120,0

140,0

160,0

180,0

200,0

1A 1D 2A Th 2A Unth 9A 14A 18C 23B 25A 28C

C (

Mg h

a-1

)

Biomass Mg ha-1 Soil Organic Carbon

Biodiversity

0

2

4

6

8

10

12

14

16

1A 1D 2A Th 2A Unth 9A 14A 18C 23B 25A 28C

Speci

es

rich

ness

/annu

al

incr

ease

Species richness Average annual increase (2012-year of planting)

Weather

Weather

Surface temperature of Parco Nord in full sun and the following conditions:

grass shadowed by a trees canopy with LAI=2

rainfed grass

irrigated grass

asphalt=30%; biuldings=40%; grass rainfed=30%

10

15

20

25

30

35

40

0 6 1218 0 6 1218 0 6 1218 0 6 1218 0 6 1218 0 6 1218 0 6 1218 0 6 1218

T [

°c]

2013 June 30 - July 7 (sunny anticyclonic weather)

Dendrochronology

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

19

96

19

95

1994

1993

1992

1991

1990

1989

1988

1987

4d 2b 14a

Dendrochronology

4d 2b 14a

ALS data

Input data

Field data: 10 circular plots (13m radius)

Diameter at breast height (DBH)

Tree Height

Crown width (4 axis)

LiDAR data:

Laser scanner: Riegl LMS-Q680i

Point density: 10/m2

Pulse frequency: 290 kHz

Mean number of returns: up to 7

Results

Results