"Near-distance imaging spectroscopy investigating chlorophyll fluorescence and photosynthetic activity of grassland in the daily course"@en . "Detection of grassland canopy chlorophyll fluorescence (Chl-F) conducted with an imaging spectroradiometer provided evidence of potential remote sensing estimation of steady-state Chl-F(Chl-Fs). Simultaneously, measurements of Chl-F and total chlorophyll content (Chla + b) were made on a single leaf at ground level were collected. A specifically designed shade removal\u2019 experiment revealed the influence of dynamic physiological plant processes on hyperspectral reflectance of three wavelengths: 532, 686 and 740 nm. Based on this information, the vegetation indexes R686/R630, R740/R800 and PRI calculated as (R532\u2013R570)/(R532+R570) were tested for statistical significance with directly measured Chl-F parameters (maximum fluorescence yield, Fv/Fm; steady-state chlorophyll fluorescence, Chl-Fs and actual quantum yield, KII). The grassland species under investigation were: Festuca rubra agg. (L.), Hieracium sp., Plantago sp., Nardus stricta (L.) and Jacea pseudophrygia (C.A. Meyer)." . . "Tom\u00E1\u0161kov\u00E1, Ivana" . "Malenovsk\u00FD, Z." . . . "A\u010D, Alexander" . "Near-distance imaging spectroscopy investigating chlorophyll fluorescence and photosynthetic activity of grassland in the daily course"@en . "9"^^ . "RIV/67179843:_____/09:00340933!RIV10-MSM-67179843" . . "-" . "Detection of grassland canopy chlorophyll fluorescence (Chl-F) conducted with an imaging spectroradiometer provided evidence of potential remote sensing estimation of steady-state Chl-F(Chl-Fs). Simultaneously, measurements of Chl-F and total chlorophyll content (Chla + b) were made on a single leaf at ground level were collected. A specifically designed shade removal\u2019 experiment revealed the influence of dynamic physiological plant processes on hyperspectral reflectance of three wavelengths: 532, 686 and 740 nm. Based on this information, the vegetation indexes R686/R630, R740/R800 and PRI calculated as (R532\u2013R570)/(R532+R570) were tested for statistical significance with directly measured Chl-F parameters (maximum fluorescence yield, Fv/Fm; steady-state chlorophyll fluorescence, Chl-Fs and actual quantum yield, KII). The grassland species under investigation were: Festuca rubra agg. (L.), Hieracium sp., Plantago sp., Nardus stricta (L.) and Jacea pseudophrygia (C.A. Meyer)."@en . "P(2B06068), P(SP/2D1/70/08), Z(AV0Z60870520)" . . "Near-distance imaging spectroscopy investigating chlorophyll fluorescence and photosynthetic activity of grassland in the daily course" . . . . . . "RIV/67179843:_____/09:00340933" . "000271464600019" . "Hanu\u0161, Jan" . . "imaging spectroscopy; chlorophyll fluorescence; grassland"@en . . . "1445-4408" . "Functional Plant Biology" . "6"^^ . . "5"^^ . . "Urban, Otmar" . . . . "Near-distance imaging spectroscopy investigating chlorophyll fluorescence and photosynthetic activity of grassland in the daily course" . . "328807" . . "[FD2F5E2F552C]" . . "Marek, Michal V." . "-" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . .