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1.
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10 p, 1.2 MB |
A broadband green-red vegetation index for monitoring gross primary production phenology
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Yin, Gaofei (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Descals, Adrià (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
The chlorophyll/carotenoid index (CCI) is increasingly used for remotely tracking the phenology of photosynthesis. However, CCI is restricted to few satellites incorporating the 531nm band. This study reveals that the Moderate Resolution Imaging Spectroradiometer (MODIS) broadband green reflectance (band 4) is significantly correlated with this xanthophyll-sensitive narrowband (band 11) (R2 = 0:98, p < 0:001), and consequently, the broadband green-red vegetation index GRVI-computed with MODIS band 1 and band 4-is significantly correlated with CCI-computed with MODIS band 1 and band 11 (R2 = 0:97, p < 0:001). [...]
2022 -  10.34133/2022/9764982
Journal of Remote Sensing, Vol. 2022 (March 2022) , art. 9764982
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2.
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8 p, 704.4 KB |
GLOVOCs - Master compound assignment guide for proton transfer reaction mass spectrometry users
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Yáñez Serrano, Ana María (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Llusià Benet, Joan (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Gargallo-Garriga, Albert (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Granda, Víctor (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Bourtsoukidis, Efstratios (Max Planck Institute for Chemistry. Department of Atmospheric Chemistry) ;
Williams, Jonathan (Max Planck Institute for Chemistry. Department of Atmospheric Chemistry) ;
Seco, Roger (University of Copenhagen. Department of Biology) ;
Cappellin, L. (Dipartimento di Scienze Chimiche, Università degli Studi di Padova) ;
Werner, C. (University of Freiburg. Ecosystem Physiology) ;
De Gouw, J. (University of Colorado. Department of Chemistry) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
The richness of measurements obtained by Proton-Transfer Reactions Mass Spectrometry (PTR-MS) has opened a new paradigm for the quantification of volatile organic compounds (VOCs). A wide range of compounds can be monitored, however, each detected signal is subject to a compound assignment instead of actual identification because PTR techniques are mass-selective and isomers cannot be separately measured. [...]
2021 - 10.1016/j.atmosenv.2020.117929
Atmospheric Environment, Vol. 244 (Jan. 2021) , art. 117929
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3.
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14 p, 911.1 KB |
Divergent estimates of forest photosynthetic phenology using structural and physiological vegetation indices
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Yin, Gaofei (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Descals, Adrià (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
The accurate estimation of photosynthetic phenology using vegetation indices (VIs) is important for measuring the interannual variation of atmospheric CO2 concentrations, but the relative performances of structural and physiological VIs remain unclear. [...]
2020 - 10.1029/2020GL089167
Geophysical Research Letters, Vol. 47, issue 18 (Sep. 2020) , e2020GL0891672020
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4.
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48 p, 1.6 MB |
Amazonian biogenic volatile organic compounds under global change
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Yáñez Serrano, Ana María (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Bourtsoukidis, Efstratios (Max Planck Institute for Chemistry. Department of Atmospheric Chemistry and Multiphase Chemistry) ;
Gomes Alves, Eliane (Max Planck Institute for Biogeochemistry. Department of Biogeochemical Processes) ;
Bauwens, Maite (Royal Belgian Institute for Space Aeronomy) ;
Stavrakou, Trissevgeni (Royal Belgian Institute for Space Aeronomy) ;
Llusià Benet, Joan (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Guenther, Alex (University of California. Department of Earth System Science) ;
Williams, Jonathan (Max Planck Institute for Chemistry. Department of Atmospheric Chemistry) ;
Artaxo, Paulo (Universidade de Sao Paulo. Instituto de Física) ;
Sindelarova, Katerina (Charles University (Praga, Txèquia). Department of Atmospheric Physics) ;
Doubalova, Jana (Charles University (Praga, Txèquia). Department of Atmospheric Physics) ;
Kesselmeier, Jürgen (Max Planck Institute for Chemistry. Department of Atmospheric Chemistry) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Biogenic volatile organic compounds (BVOCs) play important roles at cellular, foliar, ecosystem and atmospheric levels. The Amazonian rainforest represents one of the major global sources of BVOCs, so its study is essential for understanding BVOC dynamics. [...]
2020 - 10.1111/gcb.15185
Global change biology, Vol. 26, issue 9 (Sep. 2020) , p. 4722-4751
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5.
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16 p, 1.3 MB |
Deciphering the biotic and climatic factors that influence floral scents : a systematic review of floral volatile emissions
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Farré-Armengol, Gerard (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Fernández-Martínez, Marcos (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Junker, Robert R. (University of Salzburg. Department of Biosciences) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Currently, a global analysis of the information available on the relative composition of the floral scents of a very diverse variety of plant species is missing. Such analysis may reveal general patterns on the distribution and dominance of the volatile compounds that form these mixtures, and may also allow measuring the effects of factors such as the phylogeny, pollination vectors, and climatic conditions on the floral scents of the species. [...]
2020 - 10.3389/fpls.2020.01154
Frontiers in plant science, Vol. 11 (July 2020) , art. 1154
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6.
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11 p, 2.9 MB |
Human breathable air in a Mediterranean forest : characterization of monoterpene concentrations under the canopy
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Bach, Albert (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ;
Llusià Benet, Joan (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Maneja, Roser (Universitat Autònoma de Barcelona. Departament de Geografia) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Yáñez Serrano, Ana María (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Monoterpenes have been identified as potential determinants of the human health effects induced by forest exposure. The present study characterizes the total monoterpene concentrations at nose height in a Mediterranean Holm oak forest located in North-East Iberian Peninsula during the annual emission peak (summer and autumn: June to November) using a Proton Transfer Reaction-Mass Spectrometry (PTR-MS). [...]
2020 - 10.3390/ijerph17124391
International journal of environmental research and public health, Vol. 17, issue 12 (2020) , art. 4391
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7.
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14 p, 2.2 MB |
Adaptive responses of animals to climate change are most likely insufficient
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Radchuk, V. (Leibniz Institute for Zoo and Wildlife Research) ;
Reed, T. (University College Cork. School of Biological. Earth and Environmental Sciences) ;
Teplitsky, C. (Université de Montpellier) ;
van de Pol, M. (Netherlands Institute of Ecology. Department of Animal Ecology) ;
Charmantier, A. (Université de Montpellier) ;
Hassall, C. (University of Leeds. School of Biology. Faculty of Biological Sciences) ;
Adamík, P. (Palacký University. Department of Zoology) ;
Adriaensen, F. (University of Antwerp. Evolutionary Ecology Group) ;
Ahola, M. P. (Swedish Museum of Natural History) ;
Arcese, P. (Department of Forest and Conservation Sciences) ;
Miguel Avilés, J. (Experimental Station of Arid Zones (EEZA-CSIC). Department of Functional and Evolutionary Ecology.) ;
Balbontin, J. (Universidad de Sevilla) ;
Berg, K. S. (University of Texas Rio Grande Valley. Department of Biological Sciences.) ;
Borras, Antoni (Museu de Ciències Naturals de Barcelona) ;
Burthe, S. (Centre for Ecology and Hydrology. Bush Estate) ;
Clobert, J. (University Paul Sabatier) ;
Dehnhard, N. (University of Antwerp. Behavioural Ecology and Ecophysiology Group) ;
de Lope, F. (Universidad de Extremadura) ;
Dhondt, A. A. (Cornell University) ;
Dingemanse, N. J. (Ludwig-Maximilians University of Munich. Department of Biology) ;
Doi, H. (University of Hyogo. Graduate School of Simulation Studies) ;
Eeva, T. (University of Turku. Department of Biology) ;
Fickel, J. (Potsdam University. Institute for Biochemistry and Biology) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Fossøy, F. (Norwegian University of Science and Technology) ;
Goodenough, A. E. (University of Gloucestershire. School of Natural and Social Sciences) ;
Hall, Stephen (Estonian University of Life Sciences) ;
Hansson, B. (Lund University. Department of Biology) ;
Harris, M. (Centre for Ecology and Hydrology. Bush Estate) ;
Hasselquist, D. (Lund University. Department of Biology) ;
Hickler, Thomas (Senckenberg Biodiversity and Climate Research Center (BiK-F)) ;
Joshi, J. (Institute for Landscape and Open Space.) ;
Kharouba, H. (University of Ottawa. Department of Biology) ;
Martínez, J. G. (Universidad de Granada. Departamento de Zoología) ;
Mihoub, J. B. (Sorbonne Université. Muséum National d'Histoire Naturelle) ;
Mills, J. A. (3 Miromiro Drive) ;
Molina-Morales, M. (Universidad de Extremadura) ;
Moksnes, A. (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Ozgul, A. (University of Zurich. Department of Evolutionary Biology and Environmental Studies) ;
Parejo, D. (Universidad of Extremadura) ;
Pilard, P. (LPO Mission Rapaces) ;
Poisbleau, M. (University of Antwerp. Behavioural Ecology and Ecophysiology Group) ;
Rousset, F. (Université de Montpellier) ;
Rödel, M. O. (Leibniz Institute for Evolution and Biodiversity Science) ;
Scott, D. (University of Georgia. Savannah River Ecology Laboratory) ;
Senar, Joan Carles (Museu de Ciències Naturals de Barcelona) ;
Stefanescu, C. (Natural History Museum of Granollers) ;
Stokke, B. G. (Norwegian Institute for Nature Research) ;
Kusano, T. (Tokyo Metropolitan University. Department of Biological Sciences.) ;
Tarka, M. (Lund University. Department of Biology) ;
Tarwater, C. E. (University of Wyoming. Department of Zoology and Physiology) ;
Thonicke, Kirsten (Potsdam Institute for Climate Impact Research (PIK)) ;
Thorley, J. (University of Cambridge. Department of Zoology) ;
Wilting, Andreas (Leibniz Institute for Zoo and Wildlife Research (IZW)) ;
Tryjanowski, P. (Poznan University of Life Sciences. Institute of Zoology) ;
Merilä, J. (University of Helsinki. Ecological Genetics Research Unit) ;
Sheldon, B. C. (University of Oxford. Edward Grey Institute) ;
Pape Møller, A. (Université Paris-Sud. Ecologie Systématique Evolution) ;
Matthysen, Erik (University of Antwerp. Evolutionary Ecology Group) ;
Janzen, F. (Iowa State University) ;
Dobson, F. S. (Auburn University. Department of Biological Sciences) ;
Visser, M. E. (Netherlands Institute of Ecology. Department of Animal Ecology) ;
Beissinger, S. R. (University of California. Department of Environmental Science. Policy and Management and Museum of Vertebrate Zoology) ;
Courtiol, A. (Leibniz Institute for Zoo and Wildlife Research) ;
Kramer-Schadt, S. (Technische Universität Berlin. Department of Ecology)
Biological responses to climate change have been widely documented across taxa and regions, but it remains unclear whether species are maintaining a good match between phenotype and environment, i. e. [...]
2019 - 10.1038/s41467-019-10924-4
Nature communications, Vol. 10 Núm. 1 (january 2019) , p. 3109
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8.
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58 p, 975.8 KB |
Do all chlorophyll fluorescence emission wavelengths capture the spring recovery of photosynthesis in boreal evergreen foliage?
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Zhang, Chao (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Atherton, Jon (University of Helsinki. Viikki Plant Science Centre) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Kolari, Pasi (University of Helsinki. Department of Physics) ;
Aalto, Juho (University of Helsinki. Department of Physics) ;
Ruhanen, Hanna (Natural Resources Institute Finland) ;
Bäck, Jaana (University of Helsinki. Department of Forest Sciences) ;
Porcar-Castell, Albert (University of Helsinki. Viikki Plant Science Centre)
Chlorophyll a fluorescence (ChlF) is closely related to photosynthesis and can be measured remotely using multiple spectral features as solar-induced fluorescence (SIF). In boreal regions, SIF shows particular promise as an indicator of photosynthesis, in part because of the limited variation of seasonal light absorption in these ecosystems. [...]
2019 - 10.1111/pce.13620
Plant, cell & environment, Vol. 42, issue 12 (Dec. 2019) , p. 3264-3279
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9.
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16 p, 4.3 MB |
Monitoring spatial and temporal variabilities of gross primary production using MAIAC MODIS data
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Fernández-Martínez, Marcos (University of Antwerp. Centre of Excellence PLECO) ;
Yu, Rong (University of Nebraska-Lincoln. Center for Advanced Land Management Information Technologies) ;
Gamon, John (University of Alberta. Earth & Atmospheric Sciences, and Biological Sciences) ;
Hmimina, Gabriel (University of Nebraska-Lincoln. Center for Advanced Land Management Information Technologies) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Balzarolo, Manuela (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Stocker, Benjamin (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Remotely sensed vegetation indices (RSVIs) can be used to efficiently estimate terrestrial primary productivity across space and time. Terrestrial productivity, however, has many facets (e. g. , spatial and temporal variability, including seasonality, interannual variability, and trends), and different vegetation indices may not be equally good at predicting them. [...]
2019 - 10.3390/rs11070874
Remote sensing (Basel), Vol. 11, Issue 7 (April 2019) , art. 874
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10.
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11 p, 1.9 MB |
Assessing ecosystem isoprene emissions by hyperspectral remote sensing
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Balzarolo, Manuela (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Filella, Iolanda (Centre de Recerca Ecològica i d'Aplicacions Forestals) ;
Portillo-Estrada, Miguel (University of Antwerp. Center of Excellence PLECO) ;
Ceulemans, Reinhart (University of Antwerp. Center of Excellence PLECO)
This study examined the relationship between foliar isoprene emissions, light use efficiency and photochemical reflectance index (PRI) throughout the canopy profile and explored the contribution of xanthophyll cycle pigments versus other carotenoid pigments to the isoprene/PRI relationship. [...]
2018 - 10.3390/rs10071086
Remote sensing (Basel), Vol. 10, Núm. 7 (July 2018) , art. 1086
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