Ecological Archives E094-113-A3

Arthur D. Middleton, Matthew J. Kauffman, Douglas E. McWhirter, John G. Cook, Rachel C. Cook, Abigail A. Nelson, Michael D. Jimenez, Robert W. Klaver. 2013. Animal migration amid shifting patterns of phenology and predation: lessons from a Yellowstone elk herd. Ecology 94:1245–1256. http://dx.doi.org/10.1890/11-2298.1

Appendix C. A table of mean values and temporal trends for NDVI metrics used to compare phenological patterns on migratory summer and resident year-round range, 1989–2009.

Table C1. Mean values and temporal trends for six NDVI metrics used to compare phenological patterns on migratory summer and resident year-round range over 21 years.

Metric

Range mean

Range trend

Migratory

Resident

Migratory

 

Resident

 

n

X

SE

 

x

SE

P value

Coefficient

F

P-value

 

Coefficient

F

P value

Peak value

21

0.52

0.01

0.42

0.01

0.00

0.04

24.06

<0.001

-0.02

1.17

0.29

Peak week

21

30.95

0.43

27.33

0.46

0.00

-0.11

2.86

0.11

-0.05

0.40

0.53

Max. incr. value

21

0.07

0.00

0.05

0.00

0.00

<0.001

5.00

0.04

<0.001

<0.001

0.97

Max. incr. week

21

24.38

0.58

21.05

0.38

0.00

0.08

3.66

0.07

-0.02

0.06

0.81

Duration

21

8

0.39

8.29

0.43

0.59

-0.19

15.20

<0.001

-0.03

0.23

0.64

June INDVI

21

0.71

0.02

 

0.76

0.02

0.03

0.004

2.09

0.16

 

-0.004

1.46

0.24


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