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@ARTICLE{Bandopadhyay:864597,
      author       = {Bandopadhyay, Subhajit and Rastogi, Anshu and Rascher, Uwe
                      and Rademske, Patrick and Schickling, Anke and Cogliati,
                      Sergio and Julitta, Tommaso and Mac Arthur, Alasdair and
                      Hueni, Andreas and Tomelleri, Enrico and Celesti, Marco and
                      Burkart, Andreas and Stróżecki, Marcin and Sakowska,
                      Karolina and Gąbka, Maciej and Rosadziński, Stanisław and
                      Sojka, Mariusz and Iordache, Marian-Daniel and Reusen, Ils
                      and Van Der Tol, Christiaan and Damm, Alexander and
                      Schuettemeyer, Dirk and Juszczak, Radosław},
      title        = {{H}yplant-{D}erived {S}un-{I}nduced {F}luorescence—{A}
                      {N}ew {O}pportunity to {D}isentangle {C}omplex {V}egetation
                      {S}ignals from {D}iverse {V}egetation {T}ypes},
      journal      = {Remote sensing},
      volume       = {11},
      number       = {14},
      issn         = {2072-4292},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2019-04307},
      pages        = {1691 -},
      year         = {2019},
      abstract     = {Hyperspectral remote sensing (RS) provides unique
                      possibilities to monitor peatland vegetation traits and
                      their temporal dynamics at a fine spatial scale. Peatlands
                      provide a vital contribution to ecosystem services by their
                      massive carbon storage and wide heterogeneity. However,
                      monitoring, understanding, and disentangling the diverse
                      vegetation traits from a heterogeneous landscape using
                      complex RS signal is challenging, due to its wide
                      biodiversity and distinctive plant species composition. In
                      this work, we aim to demonstrate, for the first time, the
                      large heterogeneity of peatland vegetation traits using
                      well-established vegetation indices (VIs) and Sun-Induced
                      Fluorescence (SIF) for describing the spatial heterogeneity
                      of the signals which may correspond to spatial diversity of
                      biochemical and structural traits. SIF originates from the
                      initial reactions in photosystems and is emitted at
                      wavelengths between 650–780 nm, with the first peak at
                      around 687 nm and the second peak around 760 nm. We used the
                      first HyPlant airborne data set recorded over a
                      heterogeneous peatland area and its surrounding ecosystems
                      (i.e., forest, grassland) in Poland. We deployed a
                      comparative analysis of SIF and VIs obtained from
                      differently managed and natural vegetation ecosystems, as
                      well as from diverse small-scale peatland plant communities.
                      Furthermore, spatial relationships between SIF and VIs from
                      large-scale vegetation ecosystems to small-scale peatland
                      plant communities were examined. Apart from signal
                      variations, we observed a positive correlation between SIF
                      and greenness-sensitive VIs, whereas a negative correlation
                      between SIF and a VI sensitive to photosynthesis was
                      observed for large-scale vegetation ecosystems. In general,
                      higher values of SIF were associated with higher biomass of
                      vascular plants (associated with higher Leaf Area Index
                      (LAI)). SIF signals, especially SIF760, were strongly
                      associated with the functional diversity of the peatland
                      vegetation. At the peatland area, higher values of SIF760
                      were associated with plant communities of high perennials,
                      whereas, lower values of SIF760 indicated peatland patches
                      dominated by Sphagnum. In general, SIF760 reflected the
                      productivity gradient on the fen peatland, from
                      Sphagnum-dominated patches with the lowest SIF and fAPAR
                      values indicating lowest productivity to the Carex-dominated
                      patches with the highest SIF and fAPAR values indicating
                      highest productivity.},
      cin          = {IBG-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000480527800061},
      doi          = {10.3390/rs11141691},
      url          = {https://juser.fz-juelich.de/record/864597},
}