Ecological Archives E087-005-A2

Kenneth J. Feeley and John W. Terborgh. 2006. Habitat fragmentation and the indirect effects of herbivore (howler monkey) abundances on bird species richness. Ecology 87:144–150.

Appendix B. A table listing characteristics of the study islands. Howler monkey (Alouatta seniculus) density and AWI are standardized to 1.0 ha.

Island name

Number

Area (ha)

Distance to mainland (km)

UTMnorth

UTMeast

Density of A. seniculus

AWI§

Spred||

Sobs||

B

Afuera

1

0.2

2.2

812846

516892

0.0

-0.03

1

2

1

Reinita

2

0.2

9.0

800929

518932

0.0

0.00

1

1

0

Chigüire

3

0.3

8.0

799823

518013

7.1

0.28

1

9

8

Facil

4

0.3

9.0

800763

518896

0.0

0.17

1

0

-1

Baya

5

0.6

9.0

799934

518785

3.3

0.22

2

7

5

Colon

6

0.6

9.2

801058

519043

3.4

0.17

2

0

-2

Miedo

7

0.6

8.1

806291

519795

3.3

-

2

2

0

Densa

8

0.6

6.2

799731

517000

0.0

-

2

2

0

Paloma

9

0.6

11.7

796175

518603

0.0

0.04

2

5

3

Rocas

10

0.6

6.6

804466

518029

1.7

-

2

8

6

Sudor

11

0.6

3.5

812930

515200

0.0

-

2

1

-1

Bumeran

12

0.7

1.3

811246

516592

0.0

-

3

7

4

Iguana

13

0.7

7.6

800099

517865

8.6

0.39

3

12

9

Matajei

14

0.8

11.2

796322

518335

0.0

-

3

3

0

Cola

15

1.0

8.2

799731

518105

4.1

0.21

4

10

6

Palizada

16

1.1

0.2

808371

516900

0.0

-

4

0

-4

Quina

17

1.1

0.3

810508

515250

0.0

-

4

0

-4

Aguila

18

1.3

11.0

796322

518235

0.0

-

5

4

-1

Tucucito

19

1.5

9.3

798810

518547

3.3

-

5

14

9

Perimetro

20

1.5

3.8

812940

515475

0.0

-

5

4

-1

Triangulo

21

2.3

2.6

812940

515525

0.0

-

7

3

-4

Chotacabra

22

2.3

6.6

798920

518547

1.7

-

7

16

9

Solitario

23

2.4

0.5

810674

516188

0.4

-

8

10

2

Galbilon

24

2.6

4.7

801858

517383

0.0

-

8

6

-2

Coral

25

7.6

0.4

810730

515949

0.0

-

16

8

-8

Ambar

26

8.3

7.7

800189

519975

1.0

-

17

15

-2

Panarama

27

10.2

1.5

812246

516792

0.0

-

19

19

0

Lomo

28

11.4

2.0

810730

517450

0.0

-

20

7

-13

Sombrero

29

21.4

3.9

817550

515949

0.5

-

24

13

-11

† Numbers are those that identify islands in Appendix A.

‡ Universal Transverse Mercator, North and East.

§ Annual woody increment, the change in basal area per hectare.

|| Species richness, predicted vs. observed.

¶ Residual bird species richness (number of missing or additional species).



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