Quantifying suitable late summer brood habitats for willow ptarmigan in Norway

BMC Ecology

Table 5 Parameter estimates from the most parsimonious model

Variable	Category	Estimate	SE	p-value
Vegetation type	Exposed alpine ridges (intercept)	− 1.869	0.145	< 0.001
	Bilberry-low fern birch forest	0.480	0.154	0.002
	Wet mires, sedge swamps and reed beds	0.493	0.170	0.004
	Fresh heather and dwarf-shrub communities	0.825	0.142	< 0.001
	Graminoid apline ridge	0.460	0.161	0.004
	Herb-rich meadows	1.126	0.152	< 0.001
	Tall-grown lawn vegetation	0.830	0.150	< 0.001
	Crowberry birch forest	0.731	0.159	< 0.001
	Lichen-rich birch forest	0.346	0.161	0.032
	Lichen-rich heathland	− 0.233	0.168	0.166
	Heather- and grass-rich early snow patch communities	0.492	0.150	0.001
	Heather-rich alpine ridge	0.599	0.143	< 0.001
	Lowland forest	0.355	0.148	0.017
	Bryophyte late snow patch vegetation	0.273	0.160	0.089
	Gras and dwarf willow snow-patch vegetation	0.026	0.180	0.883
	Ombrotrophic bog and low-grown lawn vegetation	0.928	0.146	< 0.001
Deviation from timberline		0.071	0.018	< 0.001
Deviation from timberline ²		− 0.257	0.018	< 0.001
Slope		0.159	0.031	< 0.001
Slope ²		− 0.193	0.034	< 0.001

Variables in italic is significant with p-value < 0.05. Categorical variables in italic are significant relative to the reference class (exposed alpine ridges)

ISSN: 1472-6785