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Interaction of climate change with effects of conspecific and heterospecific density on reproduction

Anders Pape Møller 1, * Javier Balbontín 2 André A Dhondt 3 Frank Adriaensen 4 Alexandr Artemyev 5 Jerzy Bańbura 6 Emilio Barba 7 Clotilde Biard 8 Jacques Blondel 9 Jean‐charles Bouvier 10 Jordi Camprodon 11 Francesco Cecere Motti Charter 12 Mariusz Cichoń 13 Camillo Cusimano 14 Anna Dubiec 15 Blandine Doligez 16 Marcel Eens 4 Tapio Eeva 17 Peter N Ferns 18 Jukka T Forsman 19 Aya Goldshtein 20 Anne E Goodenough 21 Andrew G Gosler 22 Lars Gustafsson 23 Iga Harnist 15 Ian R Hartley 24 Philippe Heeb 25 Shelley A Hinsley 26 Staffan Jacob 27 Antero Järvinen 28 Rimvydas Juškaitis 29 Erkki Korpimäki 17 Indrikis Krams 30 Toni Laaksonen 17 Bernard Leclercq Esa Lehikoinen 17 Olli Loukola 19 Mark C Mainwaring 31 Raivo Mänd 30 Bruno Massa 14 Erik Matthysen 4 Tomasz D Mazgajski 15 Santiago Merino 32 Cezary Mitrus 33 Mikko Mönkkönen 34 Ruedi G Nager 35 Jan‐åke Nilsson 36 Sven G Nilsson 36 Ana C Norte 37 Mikael von Numers 38 Markku Orell 19 Carla S Pimentel 39 Rianne Pinxten 4 Ilze Priedniece 40 Vladimir Remeš 41 Heinz Richner 42 Hugo Robles 43, 4 Seppo Rytkönen 19 Juan Carlos Senar 44 Janne T Seppänen 34 Luís P da Silva 45 Tore Slagsvold 46 Tapio Solonen 47 Alberto Sorace 48 Martyn J Stenning 49 János Török 50 Piotr Tryjanowski 51 Arie J van Noordwijk 52 Wiesław Walankiewicz 33 Marcel M Lambrechts 9 
* Corresponding author
Abstract : We studied the relationship between temperature and the coexistence of great tit Parus major and blue tit Cyanistes caeruleus, breeding in 75 study plots across Europe and North Africa. We expected an advance in laying date and a reduction in clutch size during warmer springs as a general response to climate warming and a delay in laying date and a reduction in clutch size during warmer winters due to density-dependent effects. As expected, as spring temperature increases laying date advances and as winter temperature increases clutch size is reduced in both species. Density of great tit affected the relationship between winter temperature and laying date in great and blue tit. Specifically, as density of great tit increased and temperature in winter increased both species started to reproduce later. Density of blue tit affected the relationship between spring temperature and blue and great tit laying date. Thus, both species start to reproduce earlier with increasing spring temperature as density of blue tit increases, which was not an expected outcome, since we expected that increasing spring temperature should advance laying date, while increasing density should delay it cancelling each other out. Climate warming and its interaction with density affects clutch size of great tits but not of blue tits. As predicted, great tit clutch size is reduced more with density of blue tits as temperature in winter increases. The relationship between spring temperature and density on clutch size of great tits depends on whether the increase is in density of great tit or blue tit. Therefore, an increase in temperature negatively affected the coexistence of blue and great tits differently in both species. Thus, blue tit clutch size was unaffected by the interaction effect of density with temperature, while great tit clutch size was affected in multiple ways by these interactions terms.
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https://hal.archives-ouvertes.fr/hal-03038145
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Submitted on : Thursday, December 3, 2020 - 12:22:52 PM
Last modification on : Friday, August 5, 2022 - 2:38:11 PM
Long-term archiving on: : Thursday, March 4, 2021 - 7:03:42 PM

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Anders Pape Møller, Javier Balbontín, André A Dhondt, Frank Adriaensen, Alexandr Artemyev, et al.. Interaction of climate change with effects of conspecific and heterospecific density on reproduction. Oikos, Nordic Ecological Society, 2020, 129, pp.1807 - 1819. ⟨10.1111/oik.07305⟩. ⟨hal-03038145⟩

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