Why does one metapopulation decline while another grows? Differences in habitat quality? Movement patterns? Schreiber quantifies the relative contributions of spatial & temporal variation in demography & dispersal to metapopulation growth rates.
https://www.journals.uchicago.edu/doi/10.1086/733434
[#]metapopulation #habitat #demography #growth
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New Historical Perspective available ahead of print: "Georgii F. Gause’s The Struggle for Existence and the Integration of Natural History and Mathematical Models" by Topaz Halperin https://www.journals.uchicago.edu/doi/10.1086/734003
[#]mathematicalModeling #model
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In a new Special Feature, Kortessis et al. show the conceptual link between traditional metapopulation models and patch dynamic models of population growth in spatiotemporally varying environments. Read now ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/733896
[#]metapopulation #model #population #populationGrowth
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Why do some birds incorporate shed snake skin in their nest? Rohwer et al. suggest that the evolution of this unique but wide spread behavior is dependent upon nest morphology and most commonly observed in cavity nesting species. Read now ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/733208
[#]birds #snakeSkin #snake #evolution #morphology #nest
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New special feature available ahead of print! Jawad Sakarchi & Rachel M. Germain break down MacArthur’s consumer resource model with insights on the mechanistic understanding and biological intuition of how competition and coexistence operate.
https://www.journals.uchicago.edu/doi/10.1086/733516
[#]consumerResourceModel #competition #coexistence #specialFeature
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Can bacteria swim away from their viruses to escape infection? Blazanin et al. use experimental evolution and mathematical modeling to answer this question, finding that bacteria should rarely, if ever, evolve to escape their viral parasites.
https://www.journals.uchicago.edu/doi/10.1086/733414
[#]bacteria #virus #parasite #evolution #mathModeling
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When is the best partner not the best choice? Considering a multispecies mutualism in a variable environment, Stevens et al. demonstrate the potential benefits of supporting a diversity of partners equally in spite of differences in quality.
https://www.journals.uchicago.edu/doi/10.1086/733224
[#]partner #mate #multispecies #mutualism #diversity #quality
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In simulation, Caudill & Ralph find that coevolutionary dynamics alone are not sufficient to produce the striking mosaic of levels of toxicity and resistance observed in nature, but with ecological heterogeneity, it did produce such patterns. https://www.journals.uchicago.edu/doi/10.1086/733456
[#]coevolution #toxicity #resistance #ecology #dynamics
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Stay or go? Dumas et al. find that mate switching behaviours ('divorce') in the Alpine swift likely follow a win-stay lose-switch strategy, and that females may have more to gain by going. Read now ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/733307
[#]AlpineSwift #females #mate #mateSwitching #behavior
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Apply now for the ASN Student Research Awards, due March 14! Ten awards of $2k each will be given to research that advances the the conceptual unification of ecology, evolution, or behavior. More info here: https://bit.ly/asn_grant_25
[#]studentResearch #EEB #researchAward #ecology #evolution #behaviour #behavior
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Now available ahead of print! "The Genetic Consequences of Range Expansion and Its Influence on Diploidization in Polyploids" by William W. Booker & Daniel R. Schrider https://www.journals.uchicago.edu/doi/10.1086/733334
[#]diploidization #polyploids #genetic #rangeExpansion
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Does evolution always favor individuals with higher fitness? Bhat & Guttal generalize standard equations of evolution to show that populations experience a novel force called noise-induced biasing that can reverse the predicted direction of evolution.
https://www.journals.uchicago.edu/doi/10.1086/733196
[#]fitness #evolution #population #noiseInducedBias #naturalSelection
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Long et al. clarify the relationship between parental sex roles and the population sex ratio. They find that neither the operational sex ratio (OSR), nor the adult sex ratio (ASR), nor the maturation sex ratio (MSR) are drivers of parental sex roles.
https://www.journals.uchicago.edu/doi/10.1086/733457
[#]sex #sexRatio #parentalSexRole
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Read about "Testing the Mating System Model of Parasite Complex Life Cycle Evolution Reveals Demographically Driven Mixed Mating" by Hulke & Criscione here: https://www.amnat.org/an/newpapers/Dec-2024-Hulke.html
Read the article: https://www.journals.uchicago.edu/doi/10.1086/732807
[#]evolution #parasite #mating #lifeCycle
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Read about "Family Matters: Linking Population Growth, Kin Interactions, and African Elephant Social Groups" by Croll & Caswell here: https://www.amnat.org/an/newpapers/Jan-2025-Croll.html
Read the article: https://www.journals.uchicago.edu/doi/10.1086/733181
[#]elephant #populationGrowth #family
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Read about "Wasted Efforts Impair Random Search Efficiency and Reduce Choosiness in Mate-Pairing Termites" by Mizumoto et al. here: https://www.amnat.org/an/newpapers/Dec-2024-Mizumoto.html
Read the article: https://www.journals.uchicago.edu/doi/10.1086/732877
[#]summary #termites #randomSearchEfficiency #mate
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Mammalian adult females generally live longer than males in the wild, but it is poorly known whether sex differences in prenatal mortality occur. Douhard et al. find a higher embryonic mortality for females than for males in a wild boar population.
https://www.journals.uchicago.edu/doi/10.1086/733425
[#]boar #prenatalMortality #sexDifferences #embryo
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Waybright & Dillon combine new data on physiology with continental scale ground temperature data to develop landscapes of mortality risk for overwintering ectotherms, and apply the approach to predict mortality risk for overwintering bumble bee queens.
https://www.journals.uchicago.edu/doi/10.1086/733183
[#]temperature #mortality #overwintering #bee #mortalityRisk #ectotherms
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Atkins Coleman et al. investigate effects of parental care on offspring fitness and the extent to which adult offspring resemble their genetic parents in parental investment, revealing complex selective pressures favoring offspring sex-ratio adjustment.
https://www.journals.uchicago.edu/doi/10.1086/733104
[#]parentalCare #fitness #selectivePressures #sexRatio
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Does family matter? Croll & Caswell develop a new approach to integrate family interactions in matrix population models. They show that the disruption of African elephant families accelerates the decrease in population growth due to poaching. Read now!
https://www.journals.uchicago.edu/doi/10.1086/733181
[#]elephants #population #family #poaching
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