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Preprints

There are 2570 Preprints listed.

Land use gradients drive spatial variation in Lassa fever host communities in the Eastern Province of Sierra Leone.

David Simons, Rory Gibb, Umaru Bangura, et al.

Published: 2025-02-03
Subjects: Ecology and Evolutionary Biology, Epidemiology, Life Sciences, Virus Diseases

The natal multimammate mouse (Mastomys natalensis) is the primary reservoir host of Lassa mammarenavirus (LASV), a zoonotic pathogen causing Lassa fever that is endemic to West Africa. The occurrence and abundance of this species is regulated by the human environment and biotic interactions with other small-mammal species, but these ecological drivers remain poorly understood in the regions [...]

Bats in Habitats, Bats as Habitats: An integrative ecological framework for understanding synergistic interactions across levels of community organization

Melissa Ingala, Hernani Oliveira, Lexi E. Frank, et al.

Published: 2025-02-03
Subjects: Biodiversity, Biology, Ecology and Evolutionary Biology, Integrative Biology, Systems Biology

Global biodiversity and ecosystem function are the result of complex networks of interactions and feedbacks between animals and their environments, which in turn are affected by the interactions and feedbacks between animals and the organisms they host. Understanding these complex networks, including the main drivers of and responses to ecological and environmental changes and their global [...]

Transmission of human handedness: a reanalysis

Rony Karstadt, Chloe Shiff, Tomer Oron, et al.

Published: 2025-02-03
Subjects: Evolution

Human handedness results from the interplay of genetic and cultural influences. A gene-culture co-evolutionary model for handedness was introduced by Laland et al. (1995), and the present study generalizes that model and the related analysis. We address ambiguities in the original methodology, particularly regarding maximum likelihood estimation, and incorporate sex differences in cultural [...]

Proposing a socialecological framework for successful grassland restoration in Germany – an overview and insights from the Grassworks project

Vicky M. Temperton, Ioana A. Patru-Duse, Alina Twerski, et al.

Published: 2025-02-03
Subjects: Life Sciences

Bending the biodiversity curve and delivering on biodiversity promises from international agreements and laws, including Kunming-Montreal and the EU Restoration Law, requires upscaling ecological restoration from smaller to larger spatial and temporal dimensions and across different spheres of society. Achieving this depends on a strong scientific evidence base and synthesis of effective [...]

Borealization of plant communities in the Arctic is driven by boreal-tundra species

Mariana García Criado, Isabel C Barrio, James D. M. Speed, et al.

Published: 2025-02-03
Subjects: Ecology and Evolutionary Biology

Following rapid climate change, tundra plant communities are experiencing extensive compositional shifts. A conservation concern is the potential encroachment of boreal species into the tundra (‘borealization’). Tundra borealization has been sporadically reported, but not systematically quantified. Here, we synthesized data from across 32 study areas, spanning 1,137 plots and 287 vascular plant [...]

Measuring critical thermal maximum in aquatic ectotherms: a practical guide

Graham D Raby, Rachael Morgan, Anna H. Andreassen, et al.

Published: 2025-02-03
Subjects: Life Sciences, Terrestrial and Aquatic Ecology, Zoology

Critical thermal limits, commonly quantified as CTmax (maximum) or CTmin (minimum), are core metrics in the thermal biology of aquatic ectotherms. CTmax, in particular, has recently surged in popularity due to its various applications, including understanding and predicting the responses of animals to climate warming. Despite its growing popularity, there is a limited literature aimed at [...]

Combined effects of land-use- and climate-driven stressors on stream fungi and organic matter decomposition

Aida Viza, Encarnación Fenoy, Meritxell Abril, et al.

Published: 2025-01-31
Subjects: Life Sciences

Freshwater microbial communities are essential for maintaining ecosystem functions and services, with aquatic fungi playing a particularly critical role in decomposing terrestrial organic matter entering streams and converting it into energy and nutrients that sustain higher trophic levels. However, freshwater ecosystems face growing threats from multiple stressors. The combined effects of these [...]

Forever an optimist? Investigating the temporal consistency of optimism within and across life phases in rats

Louisa Bierbaum, Viktoria Siewert, Carolin Mundinger, et al.

Published: 2025-01-31
Subjects: Life Sciences

It is long known from human psychology that people differ in their perception of the world, with some judging ambiguous information more positively (i.e., “optimists”) and some more negatively (i.e., “pessimists”). About 20 years ago, this knowledge was transferred to animal welfare science to assess emotional states in animals by quantifying optimistic or pessimistic judgement biases. More [...]

Emergence, spread, and impact of high pathogenicity avian influenza H5 in wild birds and mammals of South America and Antarctica, October 2022 to March 2024

Thijs Kuiken, Ralph Eric Thijl Vanstreels, Ashley Banyard, et al.

Published: 2025-01-30
Subjects: Life Sciences, Medicine and Health Sciences

The currently circulating high pathogenicity avian influenza (HPAI) virus of the subtype H5 causes variable illness and death in wild and domestic birds and mammals, as well as in humans. This virus evolved from the Goose/Guangdong lineage of HPAI H5 virus, which emerged in commercial poultry in China in 1996, spilled over into wild birds, and spread through Asia, Europe, Africa and North America [...]

Promoting the use of phylogenetic multinomial generalised mixed-effects model to understand the evolution of discrete traits

Ayumi Mizuno, Szymon Marian Drobniak, Coralie Williams, et al.

Published: 2025-01-30
Subjects: Ecology and Evolutionary Biology, Evolution

Phylogenetic comparative methods (PCMs) are fundamental tools for understanding trait evolution across species. While linear models are widely used for continuous traits in ecology and evolution, their application to discrete traits - particularly ordinal and nominal traits - remains limited. Researchers sometimes recategorise such traits into binary traits (0 or 1 data) to make them more [...]

Mapping Cheatgrass Along California’s Roadways and Powerlines to Identify High-Risk Ignition Zones

Srikantnag Angondalli Nagaraja, Dorottya Fuzy, Istvan Kereszy, et al.

Published: 2025-01-30
Subjects: Climate, Computational Engineering

Between 2001 and 2023, wildfires in the Wildland Urban Interface (WUI) caused by power lines, vehicles, and equipment accounted for approximately 23% of the total area burned by identified ignition sources, burning an estimated 3 million acres in California alone. These ignition sources have been major contributors to the destruction of infrastructure, loss of life, and air pollution in WUI [...]

Cognitive evolution in major vertebrate clades: the Lack of Attentional Control hypothesis and the Cognition-Opportunities-Needs framework

Léonore Bonin, Rendall W. Engle, Redouan Bshary

Published: 2025-01-30
Subjects: Animal Sciences, Animal Studies, Biology, Ecology and Evolutionary Biology, Neuroscience and Neurobiology

The observed difference in relative brain size between endotherms and ectotherms raises questions about potential resulting disparities in brain function between these two groups. Until recently, no clear cognitive advantage was found in endotherms, with ectotherms occasionally even outperforming them in seemingly complex tasks. However, recent research on working memory—a core executive [...]

Powerful yet challenging: Mechanistic Niche Models for predicting invasive species potential distribution under climate change

Erola Fenollosa, Sean E. H. Pang, Natalie Briscoe, et al.

Published: 2025-01-30
Subjects: Biodiversity, Bioinformatics, Ecology and Evolutionary Biology

Risk assessments of invasive species are among the most challenging applications of species distribution models (SDMs). This challenge arises from the disequilibrium in invasive distributions, where recorded occurrences do not fully represent the species' potential range. The spatiotemporal dynamics of invasive populations are shaped by intraspecific variability, human-mediated introductions, [...]

Phylogenetic Signal in Shell Morphology of the Chemosymbiotic Lucinidae (Bivalvia)

Brooke Lamonte Long-Fox, Laurie C Anderson, Shen Jean Lim, et al.

Published: 2025-01-30
Subjects: Life Sciences

Lucinidae are the most specious family of extant chemosymbiotic bivalves and occupy a wide range of habitats worldwide. All extant lucinids examined to date house chemosynthetic endosymbionts within their gill tissues. Fossil evidence suggests a Silurian origin for the family, with chemosymbiotic associations dating back to at least the Late Jurassic. Previous systematics work indicates that [...]

Challenges and solutions for ecologists adopting AI

Jessica Marielle Kendall-Bar, Allison Payne, Max Czapanskiy, et al.

Published: 2025-01-30
Subjects: Computer Sciences, Ecology and Evolutionary Biology

Artificial Intelligence (AI) can rapidly process large ecological datasets, uncover patterns, and inform conservation decisions. However, its adoption by ecologists is often hindered by steep learning curves, overwhelming model options with varying transparency, and uneven access to data, code, and technical skills. We led a workshop, EcoViz+AI: Visualization and AI for Ecology, that brought [...]

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