Journal of Animal Ecology最新文献

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The effects of warming on loggerhead turtle nesting counts.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-21 DOI: 10.1111/1365-2656.14242
Diana Sousa-Guedes, João C Campos, Filipa Bessa, Jacob A Lasala, Adolfo Marco, Neftalí Sillero
{"title":"The effects of warming on loggerhead turtle nesting counts.","authors":"Diana Sousa-Guedes, João C Campos, Filipa Bessa, Jacob A Lasala, Adolfo Marco, Neftalí Sillero","doi":"10.1111/1365-2656.14242","DOIUrl":"https://doi.org/10.1111/1365-2656.14242","url":null,"abstract":"<p><p>Global trends in marine turtle nesting numbers vary by region, influenced by environmental or anthropogenic factors. Our study investigates the potential role of past temperature fluctuations on these trends, particularly whether warmer beaches are linked to increased nesting due to higher female production (since sea turtles have temperature-dependent sex determination). We selected the loggerhead turtle (Caretta caretta) due to its wide distribution, strong philopatry and vulnerability to environmental changes. We compiled nest counts per year on 35 globally significant rookeries, analysing trends at regional and individual beach levels. We compiled air (CHELSA) and land surface (MODIS) temperature data sets spanning the last four decades (1979-2023) for each location. To analyse temporal trends in nest counts and temperatures, we used generalised additive models and Mann-Kendall trend tests. Additionally, we correlated nest counts with lagged air temperature variables. We found significant warming at 33 nesting locations, 23 of which also showed significant increases in nest counts. Our results suggest that rising temperatures may be boosting nest numbers in regions of the Caribbean, Atlantic Ocean and Mediterranean (sites in Cayman, Mexico, Brazil, Cyprus and Turkey). Furthermore, while some regions temporarily benefit, continued warming could precipitate long-term population declines. This regional variability helps predict species responses to climate change, with the general global increase in nest counts already indicating short-term warming effects. Nesting count trends might reflect a combination of natural ecological phenomena, conservation efforts, and warming effects. Long-term studies are needed to assess global trends in the sex ratio of hatchlings and the extent to which feminisation is driving nest numbers.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143005903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frankenstein matrices: Among-population life history variation affects the reliability and predictions of demographic models.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-19 DOI: 10.1111/1365-2656.14243
Giacomo Rosa, Benedikt R Schmidt, Jean-Paul Léna, Benjamin Monod-Broca, Leonardo Vignoli, Emilie Tournier, Eric Bonnaire, Holger Buschmann, Thierry Kinet, Arnaud Laudelout, Remi Fonters, Carlo Biancardi, Anna R Di Cerbo, Dominique Langlois, Jean-Marc Thirion, Lucy Morin, Julian Pichenot, Julien Moquet, Hugo Cayuela, Stefano Canessa
{"title":"Frankenstein matrices: Among-population life history variation affects the reliability and predictions of demographic models.","authors":"Giacomo Rosa, Benedikt R Schmidt, Jean-Paul Léna, Benjamin Monod-Broca, Leonardo Vignoli, Emilie Tournier, Eric Bonnaire, Holger Buschmann, Thierry Kinet, Arnaud Laudelout, Remi Fonters, Carlo Biancardi, Anna R Di Cerbo, Dominique Langlois, Jean-Marc Thirion, Lucy Morin, Julian Pichenot, Julien Moquet, Hugo Cayuela, Stefano Canessa","doi":"10.1111/1365-2656.14243","DOIUrl":"https://doi.org/10.1111/1365-2656.14243","url":null,"abstract":"<p><p>Population matrix models are routinely used to study the demography of wild populations and to guide management choices. When vital rates are unknown for a specific population or life history stage, researchers often replace them with estimates from other populations of the same species. Such 'hybrid' matrices might ignore among-population life history variation and lead to incorrect inferences. In this study, we examined the real-world effect of using hybrid matrices on demographic inference and management decisions, using a large dataset on yellow-bellied toad (Bombina variegata) populations, an amphibian species whose life history depends on human land use. We estimated stage-specific survival and recruitment for 18 populations across different habitat types. We then assessed how estimated population growth rates and elasticities changed when population-specific vital rates were replaced by estimates from other populations, chosen randomly or based on habitat, demographic or geographic proximity. The use of hybrid matrices mixing demographic estimates from different populations and habitats biased predictions. The mean bias was relatively minor even when sampling randomly across all populations, because our large dataset represented the whole range of life histories and errors cancelled out on average. However, borrowing estimates from geographically close or demographically similar populations substantially reduced the risk of extreme errors. Borrowing from populations from similar habitat types could also reduce bias, but results varied depending on the exact habitat types concerned. Our study illustrates how habitat-specific among-population variation in life history affects the reliability of population matrices commonly used in evolutionary demography, ecology and conservation. When the use of hybrid population matrices cannot be avoided, their creation can be informed by additional information about ecological or demographic patterns, helping reduce bias. When such information is not available, we recommend that studies should consider the whole space of parameter estimates (the complete range of estimates available), thus transparently describing the true uncertainty surrounding demographic estimates.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143005899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Range shifts as drivers of niche breadth and dispersal ability in wild populations.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-17 DOI: 10.1111/1365-2656.14239
Nicky Lustenhouwer, Eric A Riddell
{"title":"Range shifts as drivers of niche breadth and dispersal ability in wild populations.","authors":"Nicky Lustenhouwer, Eric A Riddell","doi":"10.1111/1365-2656.14239","DOIUrl":"https://doi.org/10.1111/1365-2656.14239","url":null,"abstract":"<p><p>Research Highlight: Edwards, O. M., Zhai, L., Reichert, M. S., Shaughnessy, C. A., Ozment, L., & Zhang, B. (2024). Physiological and morphological traits affect contemporary range expansion and implications for species distribution modelling in an amphibian species. Journal of Animal Ecology, https://doi.org/10.1111/1365-2656.14212. Range expansion can have profound ecological and evolutionary consequences that feedback on the expansion process itself. With global climate change causing widespread species range shifts to higher latitudes and altitudes, it is essential that we better understand these dynamics during native range expansion in the wild. In a recent study on poleward-spreading treefrogs (Hyla cinerea), Edwards et al. (2024) measured how morphological and physiological traits differed between populations from the recently expanded and historic range. They found that range-edge frogs had increased cold tolerance and longer legs associated with better dispersal, which could strongly affect the rate and geographic limits of expansion. Edwards et al. then show how species distribution models fit separately to the historic and expanded range more accurately predict habitat suitability near the historic range boundary. This paper provides a timely and compelling example of rapid differentiation in dispersal and niche traits during native range expansion, and explores ways in which we can model species range shifts while accounting for this phenotypic variation in space and time.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143005902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Winter survival of a small predator is determined by the amount of food in hoards.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-17 DOI: 10.1111/1365-2656.14240
Erkki Korpimäki, Antti Piironen, Toni Laaksonen
{"title":"Winter survival of a small predator is determined by the amount of food in hoards.","authors":"Erkki Korpimäki, Antti Piironen, Toni Laaksonen","doi":"10.1111/1365-2656.14240","DOIUrl":"https://doi.org/10.1111/1365-2656.14240","url":null,"abstract":"<p><p>The hoarding behaviour of animals has evolved to reduce starvation risk when food resources are scarce, but effects of food limitation on survival of hoarding animals is poorly understood. Eurasian pygmy owls (Glaucidium passerinum) hoard small mammals and birds in natural cavities and nest boxes in late autumn for later use in the following winter. We studied the relative influence of the food biomass in hoards of pygmy owls on their over-winter and over-summer apparent survival. We also tested whether this influence is modulated by intrinsic (age, sex) traits or extrinsic factors (winter temperature, snow depth). We measured biomass of prey items in pygmy owl food-hoards during autumns 2003-2023 in west-central Finland. We individually marked and recaptured pygmy owls both at nests in the breeding season and at food-hoards. Our dataset included a total of 407 pygmy owls, which were all captured from a food-hoard at least once during their capture history. The mean biomass of the annual food-hoards associated with one individual was 443 g (SD = 523 g, range from 3.5 to 4505 g) and was markedly higher in autumns of vole abundance than in those of vole scarcity. Hoard size had a positive effect on apparent survival of owls over consecutive winter, whereas it did not affect apparent survival over next summer. Hoard size was a better predictor of apparent survival than vole abundance (main food of pygmy owls) in the field. Male owls had higher overall apparent survival rates than female owls, particularly when food-hoards were small. That hoard size was a better predictor of apparent survival than vole abundance indicates that the hoards are critical for pygmy owls during winter, likely because they are unable to hunt voles below deep snow cover. The positive relationship between apparent survival of owl individuals and their hoard size during winter (when the hoard is being consumed), but not summer, indicates that the hoard size has a true positive effect on survival, and does not only reflect latent inter-individual differences and/or dissimilarities in their environments. We conclude that food limitation during hoarding essentially regulates apparent over-winter survival of pygmy owl individuals.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143005905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust analysis of diel activity patterns.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-15 DOI: 10.1111/1365-2656.14235
Neil A Gilbert, Davide M Dominoni
{"title":"Robust analysis of diel activity patterns.","authors":"Neil A Gilbert, Davide M Dominoni","doi":"10.1111/1365-2656.14235","DOIUrl":"https://doi.org/10.1111/1365-2656.14235","url":null,"abstract":"<p><p>Research Highlight: Iannarilli, F., Gerber, B. D., Erb, J., & Fieberg, J. R. (2024). A 'how-to' guide for estimating animal diel activity using hierarchical models. Journal of Animal Ecology, https://doi.org/10.1111/1365-2656.14213. Diel activity patterns are ubiquitous in living organisms and have received considerable research attention with advances in the collection of time-stamped data and the recognition that organisms may respond to global change via behaviour timing. Iannarilli et al. (2024) provide a roadmap for analysing diel activity patterns with hierarchical models, specifically trigonometric generalized linear mixed-effect models and cyclic cubic spline generalized additive models. These methods are improvements over kernel density estimators, which for nearly two decades have been the status quo for analysing activity patterns. Kernel density estimators have several drawbacks; most notably, data are typically aggregated (e.g. across locations) to achieve sufficient sample sizes, and covariates cannot be incorporated to quantify the influence of environmental variables on activity timing. Iannarilli et al. (2024) also provide a comprehensive tutorial which demonstrates how to format data, fit models, and interpret model predictions. We believe that hierarchical models will become indispensable tools for activity-timing research and envision the development of many extensions to the approaches described by Iannarilli et al. (2024).</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142983669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Navigating new threats: Prey naïveté in native mammals.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-03 DOI: 10.1111/1365-2656.14233
Rebecca K McKee, Kristen M Hart, Spencer Zeitoune, Robert A McCleery
{"title":"Navigating new threats: Prey naïveté in native mammals.","authors":"Rebecca K McKee, Kristen M Hart, Spencer Zeitoune, Robert A McCleery","doi":"10.1111/1365-2656.14233","DOIUrl":"https://doi.org/10.1111/1365-2656.14233","url":null,"abstract":"<p><p>Invasive predators pose a substantial threat to global biodiversity. Native prey species frequently exhibit naïveté to the cues of invasive predators, and this phenomenon may contribute to the disproportionate impact of invasive predators on prey populations. However, not all species exhibit naïveté, which has led to the generation of many hypotheses to explain patterns in prey responses. These hypotheses primarily fall into two categories: system-centric hypotheses related to biogeographic isolation (BIH) and species-centric hypotheses, like the archetype similarity hypothesis (ASH). We tested the predictions of these hypotheses by assessing the response of the common raccoon (Procyon lotor) and hispid cotton rat (Sigmodon hispidus), two native mammal species with divergent snake predation histories, to the cues of the invasive Burmese python (Python bivittatus) in the Florida Everglades (USA). Using giving-up densities (GUDs), we assessed the responses of both cotton rats and raccoons to life-size replicas of Burmese pythons and two North American predators-eastern diamondback rattlesnakes (Crotalus adamanteus) and coyotes (Canis latrans). Although cotton rats increased their GUD in the presence of all three predators relative to the novel-object control, raccoons only increased their GUD in coyote treatments. These results align with the predictions of the ASH but not the BIH, and mirror observed patterns of population declines in invaded areas of the Florida Everglades. More broadly, our findings suggest that naïveté may contribute to the vulnerability of some species to invasive predators even in large continental systems.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bee fear responses are mediated by dopamine and influence cognition. 蜜蜂的恐惧反应由多巴胺介导并影响认知。
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-01 Epub Date: 2024-11-19 DOI: 10.1111/1365-2656.14224
Gaoying Gu, Ziqi Wang, Tao Lin, Sainan Wang, Jianjun Li, Shihao Dong, James C Nieh, Ken Tan
{"title":"Bee fear responses are mediated by dopamine and influence cognition.","authors":"Gaoying Gu, Ziqi Wang, Tao Lin, Sainan Wang, Jianjun Li, Shihao Dong, James C Nieh, Ken Tan","doi":"10.1111/1365-2656.14224","DOIUrl":"10.1111/1365-2656.14224","url":null,"abstract":"<p><p>Predatory threats, even when they do not involve direct consumption (non-consumptive effects, NCEs), can profoundly influence the physiology and behaviour of prey. For example, honeybees that encounter hornet predators show responses similar to fear. However, the physiological mechanisms that are connected with this fear-like response and their effects on bee cognition and olfaction remain largely unknown. We show that bees decreased time spent near the hornet, demonstrated fearful behaviour and moved with greater velocity to escape. After a prolonged 24-h exposure, bees adopted defensive clustering, displayed greater predator avoidance, and experienced a decline in brain dopamine levels. Prolonged predator exposure also diminished bee olfactory sensitivity to odours and their mechanical sensitivity to air currents, contributing to impaired olfactory learning. However, boosting brain dopamine reversed one fear-like behaviour (average bee velocity in the presence of a hornet) and rescued olfactory sensitivity and learning. We therefore provide evidence linking dopamine to sensory and cognitive declines associated with fear in an insect.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":"112-124"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Early social isolation disrupts adult personality expression in group-living mites. 早期社会隔离会破坏群居螨虫成年后的个性表达。
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-01 Epub Date: 2024-08-23 DOI: 10.1111/1365-2656.14169
Peter Schausberger, Thi Hanh Nguyen
{"title":"Early social isolation disrupts adult personality expression in group-living mites.","authors":"Peter Schausberger, Thi Hanh Nguyen","doi":"10.1111/1365-2656.14169","DOIUrl":"10.1111/1365-2656.14169","url":null,"abstract":"<p><p>Animal personalities are characterized by intra-individual consistency and consistent inter-individual variability in behaviour across time and contexts. Personalities abound in animals, ranging from sea anemones to insects, arachnids, birds, fish and primates, yet the pathways mediating personality formation and expression remain elusive. Social conditions during the early postnatal period are known determinants of mean behavioural trait expressions later in life, but their relevance in shaping personality trajectories is unknown. Here, we investigated the consequences of early social isolation on adult personality expression in plant-inhabiting predatory mites Phytoseiulus persimilis. These mites are adapted to live in groups. We hypothesized that transient experience of social isolation early in life, that is, deprivation of any social contact during a sensitive window in the post-hatching phase, has enduring adverse effects on adult personality expression. Newly hatched mites were transiently reared in isolation or in groups and tested as adults for repeatability of various within-group behaviours, such as movement patterns and mutual interactions including sociability, defined as the propensity to associate and interact benignly with conspecifics, and activity patterns when alone. Groups composed of individuals with the same or different early-life experiences were repeatedly videotaped and individual behaviours were automatically analysed using AnimalTA. Social experiences early in life had persistent effects on mean behavioural traits as well as adult personality expression, as measured by intraclass correlation coefficients (indicating repeatability). On average, isolation-reared females moved at higher speeds, meandered less, kept greater distances from others and had fewer immediate neighbours than group-reared females. Group-reared females were highly repeatable in inter-individual distance, moving speed, meandering and area explored, whereas isolation-reared females were repeatable only in the number of immediate neighbours. Activity, quantified as the proportion of time spent moving within groups, was only repeatable in group-reared females, whereas activity, quantified as the proportion of time spent moving when alone, was only repeatable in females reared in isolation. Strikingly, also the early-life experiences of male mates influenced personality expression of mated females, with isolation-reared males boosting the repeatability of behavioural traits of group-reared females. Overall, our study provides evidence that a transient phase of social isolation during a critical period early in life has lasting effects that extend into adulthood, impairing adult personality expression. These effects should cascade upward, changing the phenotypic composition and diversity within populations.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":"45-57"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11730261/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142046705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Personality expression is shaped by the early experienced social context in predatory mites.
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-01 Epub Date: 2024-12-04 DOI: 10.1111/1365-2656.14229
Violette Chiara
{"title":"Personality expression is shaped by the early experienced social context in predatory mites.","authors":"Violette Chiara","doi":"10.1111/1365-2656.14229","DOIUrl":"10.1111/1365-2656.14229","url":null,"abstract":"<p><p>Research Highlights: Schausberger, P., & Nguyen, T. H. (2024). Early social isolation disrupts adult personality expression in group-living mites. Journal of Animal Ecology. https://doi.org/10.1111/1365-2656.14169. Personality traits in animals have been of great interest in the last decades. The number of studies demonstrating the existence of personality in a wide range of taxa is growing rapidly. Although the effect of early experience on later average values of behavioural traits is well documented, very few articles demonstrate the effects of those factors on personality expression itself. One factor in particular received very little, if not no, attention: social isolation. Although social isolation is known to have major impacts on later animal behaviour, it is still unknown whether it may favour or inhibit personality expression. In a recent study, Schausberger and Nguyen (2024) demonstrated that early-life social isolation had strong effects on adults of the predatory mite Phytoseiulus persimilis. They show for the first time that early social isolation decreased the expression of personality in the activity of adults when tested in a social context. Interestingly, they observed the opposite effect when the same mites were tested alone: previously isolated mites were highly repeatable but group-reared mites were not. Finally, they also show an indirect effect of early social isolation through mating: mating with a male who experienced social isolation increased the behavioural repeatability of females. This study not only reinforces the established understanding of personality but also paves the way for future research in the field.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":"7-10"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142780270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rainfall is associated with divorce in the socially monogamous Seychelles warbler. 降雨量与社会一夫一妻制塞舌尔莺的离婚有关。
IF 3.5 1区 环境科学与生态学
Journal of Animal Ecology Pub Date : 2025-01-01 Epub Date: 2024-11-11 DOI: 10.1111/1365-2656.14216
A A Bentlage, F J D Speelman, J Komdeur, T Burke, D S Richardson, H L Dugdale
{"title":"Rainfall is associated with divorce in the socially monogamous Seychelles warbler.","authors":"A A Bentlage, F J D Speelman, J Komdeur, T Burke, D S Richardson, H L Dugdale","doi":"10.1111/1365-2656.14216","DOIUrl":"10.1111/1365-2656.14216","url":null,"abstract":"<p><p>Divorce-terminating a pair bond whilst both members are alive-is a mating strategy observed in many socially monogamous species often linked to poor reproductive success. As environmental factors directly affect individual condition and reproductive performance, they can indirectly influence divorce. Given current climate change, understanding how environmental fluctuations affect partnership stability has important implications, including for conservation. Yet, the relationship between the environment and divorce remains largely unstudied. We examined the influence of temporal environmental variability on the prevalence of within- and between-season divorce and the possible underlying mechanisms in a socially monogamous passerine. Analysing 16 years of data from a longitudinal dataset, we investigated the relationship between rainfall and divorce in the Seychelles warbler (Acrocephalus sechellensis). First, we performed climate window analyses to identify the temporal windows of rainfall that best predict reproductive success and divorce. Then, we tested the effects of these temporal windows of rainfall on reproductive success and divorce and the influence of reproductive success on divorce whilst controlling for covariates. Annual divorce rates varied from 1% to 16%. The probability of divorce was significantly associated with the quadratic effect of 7 months of total rainfall before and during the breeding season, with divorce increasing in years with low and high rainfall. This quadratic relationship was driven by a heavy rainfall event in 1997, as excluding 1997 from our analyses left a significant negative linear relationship between rainfall and divorce. Although the same temporal window of rainfall predicting divorce significantly influenced reproductive success, we found no significant correlation between reproductive success and divorce. Our findings suggest that rainfall impacts divorce. Given that this effect is likely not directly mediated by reproductive success, we discuss other possible drivers. Although the 1997 super El Niño event shows how heavy rainfall may affect socially monogamous partnerships, more data are required to estimate the robustness of this effect. By adding to the growing body of literature showing that environmental conditions influence the stability of socially monogamous partnerships, we provide novel insights that may also be important for conservation efforts in times of climate change.</p>","PeriodicalId":14934,"journal":{"name":"Journal of Animal Ecology","volume":" ","pages":"85-98"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11730830/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142620947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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