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Table 2 Summary of GAMM showing habitat preferences of common pheasant hens as modelled by  % share of arable crop groups and other important landscape features per municipality

From: Crop diversity loss as primary cause of grey partridge and common pheasant decline in Lower Saxony, Germany

 

Estimate

SE

t value

Pr(>|t|)

 

Parametric coefficients

(Intercept)

1.38362

0.01975

70.069

<0.001

***

Year = 2008

0.06254

0.01075

5.82

<0.001

***

Year = 2009

0.02158

0.01388

1.555

0.120

 

Year = 2010

0.03784

0.01668

2.269

0.023

*

Year = 2011

−0.04684

0.01871

−2.504

0.012

*

Year = 2012

−0.092

0.01968

−4.676

<0.001

***

Year = 2013

−0.15274

0.01955

−7.815

<0.001

***

Year = 2014

−0.23899

0.02024

−11.81

<0.001

***

 

edf

Ref.df

F

p value

 

Approximate significance of smooth terms

s(Maize)

4.331

4.331

6.007

<0.001

***

s(Winter grain)

4.126

4.126

3.870

0.005

**

s(Lanscape features)

1.000

1.000

14.074

<0.001

***

s(Shannon index)

2.391

2.391

3.994

<0.013

*

s(Forest)

1.000

1.000

61.792

<0.001

***

s(Open water)

3.304

3.304

4.347

0.004

**

te(Longitude, latitude)

20.112

20.112

57.676

<0.001

***

  1. R2 adjusted = 0.87