Skip to main content

Table 1 Summary of GAMM showing habitat preferences of grey partridge breeding pairs 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)

0.617

0.012

51.546

<0.001

***

Year = 2006

−0.010

0.009

−1.198

0.231

 

Year = 2007

−0.073

0.009

−7.969

<0.001

***

Year = 2008

−0.057

0.009

−6.228

<0.001

***

Year = 2009

−0.103

0.009

−11.160

<0.001

***

Year = 2010

−0.130

0.009

−13.776

<0.001

***

Year = 2011

−0.175

0.010

−17.988

<0.001

***

Year = 2012

−0.208

0.010

−20.047

<0.001

***

Year = 2013

−0.207

0.009

−21.897

<0.001

***

Year = 2014

−0.245

0.010

−25.325

<0.001

***

 

edf

Ref.df

F

p value

 

Approximate significance of smooth terms 

s(Winter grain)

5.704

5.704

5.586

<0.001

***

s(Field block size)

1.000

1.000

2.245

0.134

 

s(SHANNON index)

5.900

5.900

20.662

<0.001

***

s(Forest)

1.000

1.000

35.606

<0.001

***

s(Water expanse)

1.164

1.164

11.704

<0.001

***

te(Longitude, latitude)

12.905

12.905

8.844

<0.001

***

  1. R2 adjusted = 0.48