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NFI4
number of forest plots
avalanches SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
		protection forest region
		Jura + Plateau		Northwestern Alps		Northeastern Alps		Southwestern Alps		Southeastern Alps		Southern Alps		Switzerland
avalanches SilvaProtect	area of largest gap (aerial photo, 5 classes)	%	±	%	±	%	±	%	±	%	±	%	±	%	±
n/a	n/a	0.6	0.2	3.1	0.5	3.1	0.6	4.4	0.8	2.0	0.5	4.8	0.7	2.5	0.2
	no gap	33.2	1.0	12.2	1.0	14.4	1.3	6.4	0.9	8.4	0.9	7.8	0.9	17.6	0.4
	small gap	32.3	1.0	14.3	1.1	14.8	1.3	9.1	1.1	14.3	1.2	6.5	0.8	18.6	0.5
	medium gap	9.9	0.6	9.2	0.9	7.1	0.9	7.3	1.0	10.2	1.0	5.4	0.7	8.6	0.3
	large gap	9.7	0.6	10.5	0.9	9.8	1.1	11.3	1.2	15.4	1.2	5.8	0.7	10.2	0.4
	very large gap	1.2	0.2	0.4	0.2	0.7	0.3	0.2	0.2	0.8	0.3	0.2	0.1	0.7	0.1
	total	86.7	0.7	49.7	1.5	49.8	1.8	38.6	1.8	51.1	1.6	30.5	1.4	58.1	0.5
inside perimeter	n/a	0.0	0.0	0.3	0.2	0.4	0.2	0.6	0.3	0.5	0.2	0.1	0.1	0.2	0.1
	no gap	0.6	0.2	2.8	0.5	2.5	0.6	1.5	0.5	1.5	0.4	0.9	0.3	1.5	0.1
	small gap	0.3	0.1	2.6	0.5	3.4	0.6	6.9	0.9	1.8	0.4	2.6	0.5	2.3	0.2
	medium gap	0.2	0.1	2.1	0.4	1.8	0.5	4.2	0.8	3.2	0.6	1.5	0.4	1.7	0.2
	large gap	0.0	0.0	1.3	0.3	2.2	0.5	4.9	0.8	4.3	0.7	2.1	0.5	1.9	0.2
	very large gap	0.0	.	0.4	0.2	0.1	0.1	0.4	0.2	0.4	0.2	0.0	.	0.2	0.1
	total	1.1	0.2	9.5	0.9	10.4	1.1	18.5	1.4	11.6	1.1	7.3	0.8	7.8	0.3
outside perimeter	n/a	0.0	0.0	0.7	0.3	2.8	0.6	0.9	0.4	1.3	0.4	3.2	0.6	1.2	0.1
	no gap	4.6	0.4	9.2	0.9	10.6	1.1	7.5	1.0	5.6	0.8	20.8	1.3	8.9	0.3
	small gap	4.9	0.5	14.6	1.1	12.9	1.2	13.5	1.3	10.1	1.0	19.8	1.3	11.3	0.4
	medium gap	1.4	0.3	7.4	0.8	5.6	0.8	7.7	1.0	7.2	0.8	7.9	0.9	5.3	0.3
	large gap	1.1	0.2	8.6	0.8	7.3	0.9	12.4	1.2	12.1	1.1	10.2	1.0	7.1	0.3
	very large gap	0.0	0.0	0.3	0.2	0.5	0.3	0.9	0.4	1.0	0.3	0.4	0.2	0.4	0.1
	total	12.1	0.7	40.9	1.5	39.7	1.7	42.9	1.9	37.3	1.6	62.2	1.5	34.2	0.5
total	n/a	0.6	0.2	4.1	0.6	6.3	0.9	5.9	0.9	3.7	0.6	8.1	0.9	3.9	0.2
	no gap	38.3	1.0	24.2	1.3	27.5	1.6	15.4	1.4	15.6	1.2	29.5	1.4	27.9	0.5
	small gap	37.5	1.0	31.5	1.4	31.0	1.6	29.5	1.7	26.2	1.5	28.9	1.5	32.1	0.6
	medium gap	11.5	0.7	18.7	1.2	14.5	1.3	19.2	1.5	20.6	1.3	14.8	1.1	15.6	0.4
	large gap	10.8	0.7	20.4	1.2	19.3	1.4	28.5	1.7	31.8	1.5	18.1	1.2	19.2	0.5
	very large gap	1.2	0.2	1.1	0.3	1.3	0.4	1.5	0.5	2.2	0.5	0.6	0.2	1.3	0.1
	total	100.0	.	100.0	.	100.0	.	100.0	.	100.0	.	100.0	.	100.0	.

<SaveDate>30.04.2020 08:52:58</SaveDate>
<ArchiveNr>342315</ArchiveNr>
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<Zielgroessen>
<Zielgroesse Code="326" Index="0">number of forest plots</Zielgroesse>
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<DsStratifizierung Code="3">Vegetationshöhe plus Wald-/Nichtwald Stratifizierung (2-phasig)</DsStratifizierung>
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