Query to MODIS repository to obtain remotely-sensed information on

temperature and vegetation

Monthly data are converted to Fourier harmonics for

niche modelling

Literature data collection on associations of Borrelia burgdorferi s.l., B. miyamotoi and ticks

Data on prevalence of questing nymphs

Calculation of “categories of prevalence” based on quintiles.

Projection on a grid

Production of raw maps

Reported distribution of species

0.2

0.4

0.6

0.8

275 280 285 290 295LSTD1

NDV

I1

0.4

0.6

0.8

1.0

40

60

80

100

40

60

80

100

Borrelia

Modelling relationships of prevalence in ticks with environmental traits

A

B

C

D

F

E

Projection of categories on the ecological descriptions

of the territory

1Transfer of environmental data and prevalence values to the grid

Latit

ude

35

42

49

56

63

70

Longitude

-10 0 10 20 30La

titud

e35

42

49

56

63

70

Longitude

-10 0 10 20 30

A B

2

3

4

5

6

7

8

0 %

23 %

45 %

68 %

90 %

Alpine North Alpine South Anatolian Atlantic Central Atlantic North Boreal Continental Lusitanian Med.Mountains Med. North Med. South Nemoral Pannonian Steppic

Absent Very low Low Medium High Very high

0 %

20 %

40 %

60 %

80 %

Alpine North Alpine South Anatolian Atlantic Central Atlantic North Boreal Continental Lusitanian Med. Mountains Med. North Med. South Nemoral Pannonian Steppic

0 %

23 %

45 %

68 %

90 %

Alpine North Alpine South Anatolian Atlantic Central Atlantic North Boreal Continental Lusitanian Med. Mountains Med. North Med. South Nemoral Pannonian Steppic

A

B

C

9

A

B

C

10

0.0

0.2

0.4

0.6

0.8

270 280 290 300Annual mean Temperature

Annu

al m

ean

NDV

I

●

●

●

●

●

●

AbsentHighLowMediumVery highVery low

0.0

0.2

0.4

0.6

0.8

270 280 290 300Annual mean Temperature

Annu

al m

ean

NDV

I

●

●

●

●

●

●

AbsentHighLowMediumVery highVery low

0.0

0.2

0.4

0.6

0.8

270 280 290 300Annual mean Temperature

Annu

al m

ean

NDV

I

●

●

●

●

●

●

AbsentHighLowMediumVery highVery low

−0.4

−0.2

0.0

0.2

−25 −20 −15 −10 −5Slope of temperature in spring

Slop

e of

NDV

I in

sprin

g

●

●

●

●

●

●

AbsentHighLowMediumVery highVery low

−0.4

−0.2

0.0

0.2

−25 −20 −15 −10 −5Slope of temperature in spring

Slop

e of

NDV

I in

sprin

g

●

●

●

●

●

●

AbsentHighLowMediumVery highVery low

−0.4

−0.2

0.0

0.2

−25 −20 −15 −10 −5Slope of temperature in spring

Slop

e of

NDV

I in

sprin

g

●

●

●

●

●

●

AbsentHighLowMediumVery highVery low

B. afzelii B. garinii B. valaisiana

11