Seed depletion and landscape structure affect aggregative response in two wintering passerine birds
International audience Capsule: Seed abundance but also seed depletion during winter modifies habitat use and aggregation behaviour of Eurasian Sky Lark Alauda arvensis and Meadow Pipit Anthus pratensis.Aims: To investigate the effect of seed abundance on the density of two passerine birds, the Eura...
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Online Access: | https://hal.science/hal-01849633 https://doi.org/10.1080/00063657.2017.1414144 |
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ftunivrochelle:oai:HAL:hal-01849633v1 2024-02-11T09:54:51+01:00 Seed depletion and landscape structure affect aggregative response in two wintering passerine birds Powolny, Thibaut Eraud, Cyril Lerest, Kévin Bretagnolle, Vincent Laboratoire Chrono-environnement (UMR 6249) (LCE) Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC) Université Bourgogne Franche-Comté COMUE (UBFC)-Université Bourgogne Franche-Comté COMUE (UBFC) Avifaune Migratrice (CNERA) Office National de la Chasse et de la Faune Sauvage Office Nationale de la chasse et faune sauvage (ONCFS) ONCFS Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) 2018-03-07 https://hal.science/hal-01849633 https://doi.org/10.1080/00063657.2017.1414144 en eng HAL CCSD Taylor & Francis (en ligne) / British Trust for Ornithology (imprimé) info:eu-repo/semantics/altIdentifier/doi/10.1080/00063657.2017.1414144 hal-01849633 https://hal.science/hal-01849633 doi:10.1080/00063657.2017.1414144 ISSN: 0006-3657 EISSN: 1944-6705 Bird Study https://hal.science/hal-01849633 Bird Study, 2018, 65 (1), pp.98 - 107. ⟨10.1080/00063657.2017.1414144⟩ [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2018 ftunivrochelle https://doi.org/10.1080/00063657.2017.1414144 2024-01-23T23:35:26Z International audience Capsule: Seed abundance but also seed depletion during winter modifies habitat use and aggregation behaviour of Eurasian Sky Lark Alauda arvensis and Meadow Pipit Anthus pratensis.Aims: To investigate the effect of seed abundance on the density of two passerine birds, the Eurasian Sky Larks and the Meadow Pipit, at an agricultural landscape scale during winter.Methods: Bird counts as well as seed density measurements were carried out in winter to quantify the aggregative response of farmland birds to seed abundance from November to March.Results: Seed resources varied by a factor of ten between crop types, but declined so sharply over the winter that seed abundance was low and similar among crop types by late winter. Sky Larks selected for higher seed density plots, but only at the end of winter when the resources were the lowest. Conversely, Meadow Pipits did not show any aggregative response to seed abundance.Conclusion: These results show that an uptake of seed-rich habitats in agricultural landscape would be very beneficial for wintering granivorous birds, by fulfilling the late winter ‘hungry gap’. The inclusion of seed mixtures in habitats that attract high densities of birds and retain seeds until late winter is of primary interest. Article in Journal/Newspaper Alauda arvensis HAL - Université de La Rochelle Bird Study 65 1 98 107 |
institution |
Open Polar |
collection |
HAL - Université de La Rochelle |
op_collection_id |
ftunivrochelle |
language |
English |
topic |
[SDE]Environmental Sciences |
spellingShingle |
[SDE]Environmental Sciences Powolny, Thibaut Eraud, Cyril Lerest, Kévin Bretagnolle, Vincent Seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
topic_facet |
[SDE]Environmental Sciences |
description |
International audience Capsule: Seed abundance but also seed depletion during winter modifies habitat use and aggregation behaviour of Eurasian Sky Lark Alauda arvensis and Meadow Pipit Anthus pratensis.Aims: To investigate the effect of seed abundance on the density of two passerine birds, the Eurasian Sky Larks and the Meadow Pipit, at an agricultural landscape scale during winter.Methods: Bird counts as well as seed density measurements were carried out in winter to quantify the aggregative response of farmland birds to seed abundance from November to March.Results: Seed resources varied by a factor of ten between crop types, but declined so sharply over the winter that seed abundance was low and similar among crop types by late winter. Sky Larks selected for higher seed density plots, but only at the end of winter when the resources were the lowest. Conversely, Meadow Pipits did not show any aggregative response to seed abundance.Conclusion: These results show that an uptake of seed-rich habitats in agricultural landscape would be very beneficial for wintering granivorous birds, by fulfilling the late winter ‘hungry gap’. The inclusion of seed mixtures in habitats that attract high densities of birds and retain seeds until late winter is of primary interest. |
author2 |
Laboratoire Chrono-environnement (UMR 6249) (LCE) Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC) Université Bourgogne Franche-Comté COMUE (UBFC)-Université Bourgogne Franche-Comté COMUE (UBFC) Avifaune Migratrice (CNERA) Office National de la Chasse et de la Faune Sauvage Office Nationale de la chasse et faune sauvage (ONCFS) ONCFS Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Institut National de la Recherche Agronomique (INRA)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Powolny, Thibaut Eraud, Cyril Lerest, Kévin Bretagnolle, Vincent |
author_facet |
Powolny, Thibaut Eraud, Cyril Lerest, Kévin Bretagnolle, Vincent |
author_sort |
Powolny, Thibaut |
title |
Seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
title_short |
Seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
title_full |
Seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
title_fullStr |
Seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
title_full_unstemmed |
Seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
title_sort |
seed depletion and landscape structure affect aggregative response in two wintering passerine birds |
publisher |
HAL CCSD |
publishDate |
2018 |
url |
https://hal.science/hal-01849633 https://doi.org/10.1080/00063657.2017.1414144 |
genre |
Alauda arvensis |
genre_facet |
Alauda arvensis |
op_source |
ISSN: 0006-3657 EISSN: 1944-6705 Bird Study https://hal.science/hal-01849633 Bird Study, 2018, 65 (1), pp.98 - 107. ⟨10.1080/00063657.2017.1414144⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1080/00063657.2017.1414144 hal-01849633 https://hal.science/hal-01849633 doi:10.1080/00063657.2017.1414144 |
op_doi |
https://doi.org/10.1080/00063657.2017.1414144 |
container_title |
Bird Study |
container_volume |
65 |
container_issue |
1 |
container_start_page |
98 |
op_container_end_page |
107 |
_version_ |
1790608036785553408 |