GEOSPATIAL

ANALYSIS

CSV EXPORTANALYSIS

SINGLE-USER MULTI-USERCOLLECT EARTH

ANALYSISPROCESSING AND DISPLAY

DATA ENTRY VHR IMAGES, CODE EDITOR VHR IMAGES

COLLECT SURVEY

DESIGNER

PROCESSING

Spatial dimension

Temporal dimension

Two phase sampling*

Random restricted. Stratification according to drylands aridity zones

1st phase > 200,000 sampling points analysed through Collect Earth

2nd phase > 4,000 sampling points in the field

*References:

EUROSTAT LUCAS http://ec.europa.eu/eurostat/web/lucas/methodology

Swiss NFI https://www.lfi.ch/lfi/methoden1-en.php

USA NFI http://www.fia.fs.fed.us/library/sampling/index.php

France NFI http://inventaire-forestier.ign.fr/spip/spip.php?article334

Italy NFI&C http://www.sian.it/inventarioforestale/jsp/three_assess.jsp

Czech Republic NFI http://www.uhul.cz/images/nil/NIL_CR_2001-2004_NFI_CZ_2001-2004.pdfSwiss NFI

Forest area 1,079,131,310 ha

Other woodland 590,510,556 ha

Other areas with trees 258,633,579 ha

Tree Canopy area 782,000,000 ha

Number of trees > 72,200,582,831

Number of shrubs > 81,067,605,032

±1 ±1.9

±1.8

±3.8

±3.8

±1.5±2.5

Data Area

(M ha)

Drylands

%

FRA Remote-

Sensing 2010

416 7.2

FAO+ Drylands 924 16.1

Forest area according to FAO FRA forest definitionWithout Russian Federation

IHave we found a new Amazon forest ?

0% 2% 4% 6% 8% 10-19% 20-29% 30-39% 40-49% 50-59% 60-69% 70-79% 80-89% 90-100%

Tree cover %

Tre

e c

ove

r re

lative

dis

trib

ution

(%

)

Cropland Forest Grassland Otherland Settlement Wetland

TREE COVER DISTRIBUTION PER LAND USE

Matrix by tree cover and number

Tre

e c

anopy a

rea

Source Area (M ha) Drylands %

FAO+ Drylands 782 12.8

Hansen – treecover2000 473 7.7

0.6

7.8

0.9

9.3

0.5

2.8 2.82.5

3.0

4.0

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

Central Asia Horn of Africa Middle East NorthAmerica

NorthernAfrica

Oceania Sahel SouthAmerica -

West

South WestAsia

SouthernAfrica

%

Regions

**

53

29

48

11

3

10 8

41

9

3

28

0

10

20

30

40

50

60

North America South America Africa Asia Europe andRussia

Oceania

RE

LA

TIV

E %

OF

AR

EA

W

ITH

TR

EE

P

RE

SE

NC

E

Cropland Grassland