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Statements

Subject Item
n2:RIV%2F67179843%3A_____%2F08%3A00315799%21RIV09-AV0-67179843
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The aim of the study was to test the possibility of using the Normalized Difference Vegetation Index (NDVI) for distinguishing between differently managed mountain grassland sites surrounded by boreal forests. The NDVI was assessed under field conditions in three differently managed meadows (mown, mulched, unmanaged), at an altitude of 1150 to 1170 m in the Bohemian Forest Mts. The mowing and mulching were applied to the respective plots in mid-July and three successive NDVI/aboveground biomass assessments were made before and two after the application of the treatments. The presence of litter, expressed by the green ratio index (GR), strongly affected the reflectance of the grassland canopy. The linear relationships between green biomass and NDVI were statistically significant for all treatments only during the period before the application of the treatments. It was only in the unmanaged plot that a statistically significant linear relationship between NDVI and GR was recorded. The aim of the study was to test the possibility of using the Normalized Difference Vegetation Index (NDVI) for distinguishing between differently managed mountain grassland sites surrounded by boreal forests. The NDVI was assessed under field conditions in three differently managed meadows (mown, mulched, unmanaged), at an altitude of 1150 to 1170 m in the Bohemian Forest Mts. The mowing and mulching were applied to the respective plots in mid-July and three successive NDVI/aboveground biomass assessments were made before and two after the application of the treatments. The presence of litter, expressed by the green ratio index (GR), strongly affected the reflectance of the grassland canopy. The linear relationships between green biomass and NDVI were statistically significant for all treatments only during the period before the application of the treatments. It was only in the unmanaged plot that a statistically significant linear relationship between NDVI and GR was recorded. Cílem studie je zhodnocení možnosti využití Normalizovaného rozdílového vegetačního indexu (NDVI) pro identifikaci způsobu obhospodařování horských luk. NDVI bylo hodnoceno pro mulčovanou, kosenou a ladem nechanou variantu. Výsledky ukazují statisticky významný lineární vztah mezi NDVI a zelenou biomasou před provedením zásahů a velký vliv opadu (vyjádřený GR indexem) na odrazivost porostů ne VNIR.
dcterms:title
Normalized difference vegetation index (NDVI) in the management of mountain meadows Využití NDVI v rozlišení managementu horských luk Normalized difference vegetation index (NDVI) in the management of mountain meadows
skos:prefLabel
Využití NDVI v rozlišení managementu horských luk Normalized difference vegetation index (NDVI) in the management of mountain meadows Normalized difference vegetation index (NDVI) in the management of mountain meadows
skos:notation
RIV/67179843:_____/08:00315799!RIV09-AV0-67179843
n3:aktivita
n9:P n9:Z
n3:aktivity
P(GA206/99/1410), Z(AV0Z60870520), Z(MSM6007665801)
n3:cisloPeriodika
-
n3:dodaniDat
n16:2009
n3:domaciTvurceVysledku
n10:7432801 n10:7059256
n3:druhVysledku
n4:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
382951
n3:idVysledku
RIV/67179843:_____/08:00315799
n3:jazykVysledku
n13:eng
n3:klicovaSlova
normalized difference vegetation index; mountain medows; mulching
n3:klicoveSlovo
n12:mountain%20medows n12:mulching n12:normalized%20difference%20vegetation%20index
n3:kodStatuVydavatele
FI - Finská republika
n3:kontrolniKodProRIV
[AC035CDCCC5F]
n3:nazevZdroje
Boreal Environment Research
n3:obor
n14:EH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n8:GA206%2F99%2F1410
n3:rokUplatneniVysledku
n16:2008
n3:svazekPeriodika
13
n3:tvurceVysledku
Zemek, František Květ, Jan Mašková, Z.
n3:wos
000260814400003
n3:zamer
n5:MSM6007665801 n5:AV0Z60870520
s:issn
1239-6095
s:numberOfPages
16