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290 results on '"Gros, Patrick"'

16. Active around the year: Butterflies and moths adapt their life cycles to a warming world.

Author

Habel, Jan Christian, Schmitt, Thomas, Gros, Patrick, and Ulrich, Werner

Subjects
LIFE cycles (Biology), BUTTERFLIES, MOTHS, PLANT phenology, CLIMATE change, SPRING
Abstract

Copyright of Global Change Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2024
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18. A Novel Modeling for Video Summarization Using Constraint Satisfaction Programming

Author

Boukadida, Haykel, Berrani, Sid-Ahmed, Gros, Patrick, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Kobsa, Alfred, Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Bebis, George, editor, Boyle, Richard, editor, Parvin, Bahram, editor, Koracin, Darko, editor, McMahan, Ryan, editor, Jerald, Jason, editor, Zhang, Hui, editor, Drucker, Steven M., editor, Kambhamettu, Chandra, editor, El Choubassi, Maha, editor, Deng, Zhigang, editor, and Carlson, Mark, editor

Published
2014
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22. Labeling TV Stream Segments with Conditional Random Fields

Author

Martienne, Emmanuelle, Claveau, Vincent, Gros, Patrick, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Salerno, Emanuele, editor, Çetin, A. Enis, editor, and Salvetti, Ovidio, editor

Published
2012
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25. Accelerating Image Retrieval Using Factorial Correspondence Analysis on GPU

Author

Pham, Nguyen-Khang, Morin, Annie, Gros, Patrick, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Jiang, Xiaoyi, editor, and Petkov, Nicolai, editor

Published
2009
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26. Fast Structuring of Large Television Streams Using Program Guides

Author

Naturel, Xavier, Gravier, Guillaume, Gros, Patrick, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Rangan, C. Pandu, editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Marchand-Maillet, Stéphane, editor, Bruno, Eric, editor, Nürnberger, Andreas, editor, and Detyniecki, Marcin, editor

Published
2007
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27. Synchronous long‐term trends in abundance and compositional variability of butterflies in Central Europe.

Author

Ulrich, Werner, Schmitt, Thomas, Gros, Patrick, Trusch, Robert, and Habel, Jan Christian

Subjects
BUTTERFLIES, BIOLOGICAL extinction, AGRICULTURE, NATURAL landscaping, COMMUNITIES, HABITATS
Abstract

Annual insect abundances are determined by short‐term population fluctuations and long‐term trends in community composition. Any assessment of this temporal variability needs long‐term quantitative data on abundances. Here we use museum data (1940–2017) of butterflies and burnet moths from southwestern Germany and central Austria comprising 220,758 records from 155 species, and 55,641 records from 170 species, respectively. We ask whether population fluctuations and long‐term population trends are spatially synchronized across larger spatial distances (>300 km) according to the Moran effect, and whether common trends in community composition and stability exist? Population fluctuations of 85.5% of species jointly occurring in both study regions were positively correlated (mean r = 0.30 ± 0.03). Comparing different time windows, we found different sets of species being in spatial synchrony reflecting temporal changes in butterfly community composition. Mesophilic, habitat generalist, and dispersive species were significantly more synchronized than xerothermophilic, habitat specialist, and sedentary species. Long‐distance travelers were particularly synchronized. In both study regions, species rank orders became less even with time. Stability in community composition increased with time with an ongoing trend to faunal homogenization, but not to species loss. Our study points to global and not to local drivers behind trends in butterfly population fluctuations and compositional stability, in the present case to altered land use and urbanization as major drivers toward synchrony and homogenization. Finally, our data have implications for conservation strategies as they strongly indicate that natural landscape structures are associated with higher faunal compositional variability in comparison to agricultural and urban landscapes. [ABSTRACT FROM AUTHOR]

Published
2023
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28. Analysis of Multiresolution Representations for Compression and Local Description of Images

Author

Tonnin, François, Gros, Patrick, Guillemot, Christine, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Bres, Stéphane, editor, and Laurini, Robert, editor

Published
2006
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29. A Geometrical Key-Frame Selection Method Exploiting Dominant Motion Estimation in Video

Author

Fauvet, Brigitte, Bouthemy, Patrick, Gros, Patrick, Spindler, Fabien, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Enser, Peter, editor, Kompatsiaris, Yiannis, editor, O’Connor, Noel E., editor, Smeaton, Alan F., editor, and Smeulders, Arnold W. M., editor

Published
2004
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39. Appendix S4 - Climate change drives mountain butterflies towards the summits - Scientific Reports

Author

Rödder, Dennis, Schmitt, Thomas, Gros, Patrick, Ulrich, Werner, and Habel, Jan Christian

Subjects
monitoring, climate change, altitudinal shift, geographic range modification
Abstract

Appendix S4 to: Climate change drives mountain butterflies towards the summits Dennis Rödder1, Thomas Schmitt2,3, Patrick Gros4, Werner Ulrich5 & Jan Christian Habel6* 1Zoologisches Forschungsmuseum Alexander Koenig, Adenauerallee 160, D-53113 Bonn, Germany 2Senckenberg German Entomological Institute, Eberswalder Straße 90, D-15374 Müncheberg 3Department of Zoology, Institute of Biology, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany 4Haus der Natur, Museumsplatz 5, A-5020 Salzburg, Austria 5Department of Ecology and Biogeography, Nicolaus Copernicus University Toruń, 87-100 Toruń, Poland 6Evolutionary Zoology, Department of Biosciences, University of Salzburg, A-5020, Salzburg, Austria *Corresponding author: Jan Christian Habel, Evolutionary Zoology, Department of Biosciences, University of Salzburg, A-5020, Salzburg, Austria, E-mail: Janchristian.habel@sbg.ac.at Published in Scientific Reports 2021 Climate change impacts biodiversity and is driving range shifts of species and populations across the globe. To understand the effects of climate warming on biota, long-term observations of the occurrence of species and detailed knowledge on their ecology and life-history is crucial. Mountain species particularly suffer under climate warming and often respond to environmental changes by altitudinal range shifts. We assessed long-term distribution trends of mountain butterflies across the eastern Alps and calculated species´ specific annual range shifts based on field observations and species distribution models, counterbalancing the potential drawbacks of both approaches. We also compiled details on the ecology, behaviour and life-history, and the climate niche of each species assessed. We found that the highest altitudinal maxima were observed recently in the majority of cases, while the lowest altitudes of observations were recorded before 1980. Mobile and generalist species with a broad ecological amplitude tended to more uphill move than specialist and sedentary species. As main drivers, we identified climatic conditions and topographic variables, such as insolation and solar irradiation. This study provides important evidence for responses of high mountain taxa to rapid climate change. Our study underlines the advantage of combining historical surveys and museum collection data with cutting-edge analyses. Appendix S4 shows the summary statistics and individual responses of all studied species to contemporary climatic fluctuations as animations. &nbsp

Published
2021
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