Supplemental material Changes of bat species composition over altitudinal gradients on northern and southern aspects of the Soutpansberg mountain range, South Africa



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Supplemental material

Changes of bat species composition over altitudinal gradients on northern and southern aspects of the Soutpansberg mountain range, South Africa

Sina M. Weier, Valerie M. G. Linden, Ian Gaigher, Patrick J.C. White and Peter J. Taylor



DOI 10.1515/mammalia-2015-0055

Supplemental Appendix 1: Summary of the total of species found, on the southern and/or northern aspect of the study area, by analysis of recorded calls and/or trapping data (1,2,3 indicates the species which were grouped for statistical analysis because of their overlapping call parameters). Foraging groups were determined referring to Monadjem et al. (2010) and the IUCN Red List status (IUCN, version 2014.1) is given with the population trends; stable (s), decreasing (d) and unknown (n), for each species.

Species

Foraging-group

Aspect (North/South)

Number caught in mist net (M) or harp trap (H)

Recorded by the bat detector

IUCN Redlist Status

Emballonuridae

Taphozous mauritianus

Open-air

North

3 (M) North

Yes

LC (u)

Nycteridae

Nycteris thebaica

Clutter

North

1 (M) North

No

LC (u)

Miniopteridae

3Miniopterus natalensis

Clutter-edge

Both

1 (M) North

Yes

LC (u)

Vespertilionidae

Eptesicus hottentotus

Clutter-edge

Both

2 (M) South 1(M) North

Yes

LC (u)

Myotis welwitschii

Clutter-edge

South

1 (M) South

Yes

LC (u)

Neoromicia capensis

Clutter-edge

Both

1 (M) South

Yes

LC (s)

Neoromicia nana




Both

1 (M) North

Yes

LC (u)

2Neoromicia zuluensis

Clutter-edge

Both

2 (H) North

Yes

LC (u)

2Pipistrellus hesperidus

Clutter-edge

Both

92 South 5 North (M,H)

Yes

LC (u)

3Pipistrellus rusticus

Clutter-edge

Presence not yet confirmed




Suspected

LC (u)

Scotophilus dinganii

Clutter-edge

Both

0

Yes

LC (u)

Scotophilus viridis

Clutter-edge

North

0

Yes

LC (u)

Molossidae

Chaerephon ansorgei

Open-air

Both

0

Yes

LC (s)

1Chaerephon pumilus

Open-air

Both

0

Yes

LC (u)

1Mops condylurus

Open-air

Both

0

Yes

LC (u)

Mops midas

Open-air

South

0

Yes

LC (d)

1Tadarida aegyptiaca

Open-air

Both

1 (M) South

Yes

LC (u)

Hipposideridae

Hipposideros caffer

Clutter

North

0

Yes

LC (d)

Rhinolophidae

Rhinolophus clivosus

Clutter

Both

0

Yes

LC (u)

Rhinolophus smithersi

Clutter

Both

0

Yes

NA

Rhinolophus simulator

Clutter

Both

1 (M) North

Yes

LC (d)

Rhinolophus cf. blasii

Clutter

South

1 (H) South

Yes

LC (d)

Rhinolophus darlingi

Clutter

Both

2 (M,H) South

Yes

LC (u)

Unidentified Rhinolophus with FC of 100 kHz

Clutter

Both

0

Yes

NA

Pteropodidae

Epomophorus wahlbergi

Clutter-edge

Both

9 (M) South and 4 (M) North

NA

LC (s)

Supplemental Appendix 2: Number of call files (“passes”) recorded with the bat detector per species or species group per night and altitude on the northern slope.


Altitude (in m)

769

769

808

808

917

917

1031

1031

1113

1113

1121

1121

1121

1121

1276

1276

1400

1400

1550

1550

C. ansorgei

2

 

19

2

 

 

 

2

 

 

2

30

 

11

1

2

3

37

1

1

1Ta/Mc/Cp

358

165

232

98

3

1

2

1

1

3

5

32

3

32

1

6

10

64

13

5

E. hottentotus

114

40

1

9

 

1

 

 

1

 

 

1

 

1

 

 

 

 

 

 

H. caffer

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

N. capensis

97

5

3

4

7

 

3

3

5

2

 

15

 

9

3

4

8

117

1

 

N. nana

25

18

47

87

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

2Ph/Nz

358

19

41

648

5

10

 

3

13

25

34

15

7

54

4

2

 

1

 

 

3Mn/Pr

17

12

12

12

 

 

 

1

 

1

 

1

 

10

 

2

 

 

2

 

R. clivosus

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

R. darlingi

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rhino 100

 

1

 

 

 

1

1

 

 

 

 

 

 

2

2

 

 

 

 

 

R. simulator

1

1

 

 

 

3

6

 

 

3

8

30

2

9

1

2

2

9

 

 

R. smithersi

2

 

 

 

 

 

 

 

 

 

2

1




 

 

 

 

 

 

 

S. dinganii

22

 

6

5

 

 

1

 

 

 

 

 

 

1

 

6

2

10

 

 

S. viridis

14

2

2

4

1

 

 

 

 

4

 

1

2

4

1

1

 

28

 

 

T. mauritianus

13

22

103

37

2

1

 

 

 

1

1

1

1

 

1

 

 

2

2

 


1Species group 1 (Chaerephon pumilus, Mops condylurus and Tadarida aegyptiaca).

2Species group 2 (Neoromicia zuluensis and Pipistrellus hesperidus).

3Species group 3 (Miniopterus natalensis and Pipistrellus rusticus).

Supplemental Appendix 3a: Comparison between observed and estimated richness on the northern aspect.



Supplemental Appendix 3b: Species accumulation curve for the northern aspect based on the number of individuals observed at each site.





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