Ecological Archives A020-011-A1

Thomas B. Ryder, Robert Reitsma, Brian Evans, and Peter P. Marra. 2010. Quantifying avian nest survival along an urbanization gradient using citizen- and scientist-generated data. Ecological Applications 20:419–426.

Appendix A. Sample sizes of nests by year for five species of common backyard birds used to model nest survival across an urbanization gradient in the greater Washington, D.C./Baltimore area.

 

2000

2001

2002

2003

2004

2005

2006

2007

2008

Total

AMRO

2

9

9

11

26

3

5

7

8

80

GRCA

1

7

10

41

79

4

2

3

4

151

NOCA

3

5

3

26

5

1

0

3

4

50

NOMO

2

4

5

8

2

0

0

0

0

21

HOWR

6

16

13

23

12

7

3

14

19

103


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