Gulls living in cities as overlooked seed dispersers within and outside urban environments
9 pages, 5 figures, 4 tables, supplementary data https://doi.org/10.1016/j.scitotenv.2022.153535.-- Availability of data: Data will be uploaded to CSIC repository
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| Format: | artículo biblioteca |
| Language: | English |
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Elsevier
2022-06
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| Subjects: | GPS data, Movement ecology, Green areas, Dispersal distance, Alien plants, Urban ecology, Seed dispersal, Yellow-legged gull, Larus michahellis, |
| Online Access: | http://hdl.handle.net/10261/272094 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003339 |
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dig-icm-es-10261-2720942022-07-16T02:43:58Z Gulls living in cities as overlooked seed dispersers within and outside urban environments Martín-Vélez, Víctor Montalvo, Tomás Afán, Isabel Sánchez Márquez, Antoni Aymí, Raül Figuerola, Jordi Lovas-Kiss, Ádám Navarro, Joan Fundació Barcelona Zoo Consejo Superior de Investigaciones Científicas (España) Agencia Estatal de Investigación (España) GPS data Movement ecology Green areas Dispersal distance Alien plants Urban ecology Seed dispersal Yellow-legged gull Larus michahellis 9 pages, 5 figures, 4 tables, supplementary data https://doi.org/10.1016/j.scitotenv.2022.153535.-- Availability of data: Data will be uploaded to CSIC repository The yellow-legged gull is an opportunistic and generalist bird that has colonised urban areas, where it has found very favourable trophic resources but also causes disturbance to humans and damage to infrastructure. Here, we investigated the potential role that gulls play in the dispersal of plants in Barcelona, a highly populated city of north-eastern Spain. We analysed the stomach contents of 145 chicks collected in urban nests and reported the presence of seeds of 27 plant taxa. We then developed a plant dispersal model based on the movements of 20 GPS-tracked yellow-legged gulls breeding in the city of Barcelona. We estimated seed dispersal distances, seed shadows and percentage of seeds reaching habitats suitable for seeds regurgitated in pellets and those excreted in faeces. Seven of the 27 plant taxa found in the stomachs were alien taxa to Spain. Average dispersal distances of plant seeds by gulls were around 700 m, but maximum dispersal distances reached up to 35 km. Dispersal distances and seed spatial patterns did not differ between faeces and pellet models, as most strongly depended on gull movements. About 95% of the seeds were dispersed within urban environments and between 20 and 30% reached suitable habitats for seed deposition (urban woodlands, green urban parks and urban grasslands). Urban gulls frequently dispersed seeds (including alien species) within urban habitats, both via direct consumption or via secondary dispersal after consuming granivorous birds that had ingested the seeds, such as pigeons or parakeets. Urban planning for Barcelona is based on native plant species, and thus, special attention should be paid to alien plants dispersed by birds, which could pose a risk to native biodiversity in urban ecosystems This study is part of the BCN-Gulls project funded by the Barcelona Zoo Foundation and the Ramón y Cajal project (RYC-2015-17809) and the JAEIntro-ICU (CSIC) of A.S.-M. This work acknowledges the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S). János Bolyai Research Scholarship of the Hungarian Academy of Sciences, and the New National Excellence Programme of the Ministry of Innovation and Technology ÚNKP-21-5, NKFIH OTKA FK-127939 and FK 138698 grants (ÁLK) Peer reviewed 2022-06-09T12:19:10Z 2022-06-09T12:19:10Z 2022-06 artículo Science of the Total Environment 823: 153535 (2022) 0048-9697 CEX2019-000928-S http://hdl.handle.net/10261/272094 10.1016/j.scitotenv.2022.153535 1879-1026 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003339 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO//RYC-2015-17809/ES/RYC-2015-17809/ Publisher's version https://doi.org/10.1016/j.scitotenv.2022.153535 Sí open Elsevier |
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| topic |
GPS data Movement ecology Green areas Dispersal distance Alien plants Urban ecology Seed dispersal Yellow-legged gull Larus michahellis GPS data Movement ecology Green areas Dispersal distance Alien plants Urban ecology Seed dispersal Yellow-legged gull Larus michahellis |
| spellingShingle |
GPS data Movement ecology Green areas Dispersal distance Alien plants Urban ecology Seed dispersal Yellow-legged gull Larus michahellis GPS data Movement ecology Green areas Dispersal distance Alien plants Urban ecology Seed dispersal Yellow-legged gull Larus michahellis Martín-Vélez, Víctor Montalvo, Tomás Afán, Isabel Sánchez Márquez, Antoni Aymí, Raül Figuerola, Jordi Lovas-Kiss, Ádám Navarro, Joan Gulls living in cities as overlooked seed dispersers within and outside urban environments |
| description |
9 pages, 5 figures, 4 tables, supplementary data https://doi.org/10.1016/j.scitotenv.2022.153535.-- Availability of data: Data will be uploaded to CSIC repository |
| author2 |
Fundació Barcelona Zoo |
| author_facet |
Fundació Barcelona Zoo Martín-Vélez, Víctor Montalvo, Tomás Afán, Isabel Sánchez Márquez, Antoni Aymí, Raül Figuerola, Jordi Lovas-Kiss, Ádám Navarro, Joan |
| format |
artículo |
| topic_facet |
GPS data Movement ecology Green areas Dispersal distance Alien plants Urban ecology Seed dispersal Yellow-legged gull Larus michahellis |
| author |
Martín-Vélez, Víctor Montalvo, Tomás Afán, Isabel Sánchez Márquez, Antoni Aymí, Raül Figuerola, Jordi Lovas-Kiss, Ádám Navarro, Joan |
| author_sort |
Martín-Vélez, Víctor |
| title |
Gulls living in cities as overlooked seed dispersers within and outside urban environments |
| title_short |
Gulls living in cities as overlooked seed dispersers within and outside urban environments |
| title_full |
Gulls living in cities as overlooked seed dispersers within and outside urban environments |
| title_fullStr |
Gulls living in cities as overlooked seed dispersers within and outside urban environments |
| title_full_unstemmed |
Gulls living in cities as overlooked seed dispersers within and outside urban environments |
| title_sort |
gulls living in cities as overlooked seed dispersers within and outside urban environments |
| publisher |
Elsevier |
| publishDate |
2022-06 |
| url |
http://hdl.handle.net/10261/272094 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003339 |
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