Preprints

There are 1631 Preprints listed.

Identity crisis? News reports on invasive species feature misleading images of unrelated organisms

Mark Wong

Published: 2024-06-18
Subjects: Life Sciences

In mainstream media, news outlets play a vital role in raising awareness and rallying public support for managing invasive species. However, news reports on invasive species occasionally feature misleading images of unrelated organisms. In this correspondence, I illustrate the problem with recent international news reports on invasions by Red Imported Fire Ants (Solenopsis invicta) in Asia, [...]

Symbiont community changes confer fitness benefits for larvae, but not juveniles, in a vertically transmitting coral

Daniel Olivares-Cordero, Kate Quigley, Courtney Timmons, et al.

Published: 2024-06-18
Subjects: Life Sciences

Coral reefs worldwide are threatened by increasing ocean temperatures because of the sensitivity of the coral-algal symbiosis to thermal stress. Reef building corals form mutualistic symbiotic relationships with dinoflagellates (family Symbiodiniaceae), including those species which acquire their initial symbiont complement from their parents. Changes in the composition of symbiont communities, [...]

Heat tolerance and its plasticity in freshwater and marine fishes are linked to their thermal regimes.

Wilco C.E.P. Verberk, Erin Henry, Felix P. Leiva, et al.

Published: 2024-06-18
Subjects: Life Sciences

Responses to climate change are rooted in thermal physiology, and many studies have focussed on heat tolerance and plasticity of heat tolerance. Latitudinal patterns in heat tolerance are commonly considered to reflect latitudinal differences in thermal regimes, but direct tests are few. Here we show that the extremes and fluctuations in habitat temperature explain variation in heat tolerance of [...]

Genes from space: Leveraging Earth Observation satellites to monitor genetic diversity

Meredith Christine Schuman, Claudia Röösli, Alicia Mastretta-Yanes, et al.

Published: 2024-06-18
Subjects: Biodiversity, Life Sciences

Genetic diversity within and among populations is essential for species persistence. While targets and indicators for genetic diversity are captured in the Kunming-Montreal Global Biodiversity Framework, assessing genetic diversity across many species at national and regional scales remains challenging. Parties to the Convention on Biological Diversity (CBD) need accessible tools for reliable and [...]

Asian Hornbill Bibliography: a dynamic, online, open-access reference database for use in manuscript citations and hornbill research

T. R. Shankar Raman, Maitreyi Hegde, Pooja Y. Pawar, et al.

Published: 2024-06-18
Subjects: Animal Sciences, Biodiversity, Ecology and Evolutionary Biology, Environmental Studies, Forest Sciences, Library and Information Science, Nature and Society Relations, Ornithology, Plant Sciences, Publishing, Scholarly Publishing

Bibliographic databases and citation tools are integral aids to research. The Asian Hornbill Bibliography presents a compendium of research on Asian hornbills by combining an open access bibliographic database with the free and open source reference manager, Zotero. The bibliography, also hosted and made accessible from the IUCN Hornbill Specialist Group website, includes 725 publications, [...]

Climatic Variability Shapes Plasticity of Hydric and Thermal Physiology in Tropical Geckos

Kade Skelton, Craig Moritz, Kimberley A Day, et al.

Published: 2024-06-18
Subjects: Life Sciences

Phenotypic plasticity in reptiles is a key mechanism enabling individuals to maintain and optimize physiological responses to changing environments. The ability to adjust metabolic rates and thermal physiology in response to seasonal changes is known to be central to the physiological ecology of some reptiles, but less is known about reptiles’ ability to exhibit seasonal flexibility in rates of [...]

Gehyra Geckos Prioritise Warm Over Humid Environments

Kade Skelton, Kimberley A Day, Chava L Weitzman, et al.

Published: 2024-06-18
Subjects: Life Sciences

Maintaining stable hydric and thermal states are dual challenges for reptiles that inhabit terrestrial environments with variable conditions across time and space. Under some conditions, reptiles face a conundrum where both physiological parameters cannot be simultaneously maintained at optimal states by behavioural or physiological means. Prioritisation of behavioural regulation of hydric or [...]

Climate Does Not Predict Thermal and Hydric Traits in Northern Australian Geckos

Keith Allen Christian, Craig Moritz, Kade Skelton, et al.

Published: 2024-06-18
Subjects: Life Sciences

1. Reptiles are challenged with maintaining stable hydric states and viable body temperatures in a variable terrestrial environment. Reptiles can use behaviour to select favourable microhabitats as well as physiological adaptations, such as increased skin resistance to water loss to regulate their hydric and thermal states. The degree to which a species’ physiology is adapted to overcome [...]

Predator activity, proactive anti-predator strategies, and nesting phenology produce a dynamic landscape of risk to tundra goose reproduction

Sean M Johnson-Bice, Chloé Warret Rodrigues, Holly E.L. Gamblin, et al.

Published: 2024-06-14
Subjects: Ecology and Evolutionary Biology, Life Sciences

Birds generally rely on proactive anti-predator strategies when selecting nest sites, as they have limited options to adapt to changing levels of risk once incubation begins. Arctic waterfowl often nest colonially as an anti-predator strategy but dispersed-breeding species may use other proactive strategies, such as nesting in less risky areas. However, empirical links between spatial patterns of [...]

Biodiversity indicators miss local and short-term change: A blank space waiting to be filled

Katherine Hébert, Maximiliane Jousse, Janaína de Andrade Serrano, et al.

Published: 2024-06-14
Subjects: Biodiversity, Ecology and Evolutionary Biology

The year 2030 is rapidly approaching. Building, monitoring, and reporting indicators to evaluate the 2030 targets in the Kunming-Montreal Global Biodiversity Framework (GBF) is a major challenge that requires, at minimum, nations to assess their progress at least once within the next five years. To effectively capture this progress, we need indicators that capture fast-paced, on-the-ground [...]

Did organs precede organisms in the dawn of life?

Fernando Baquero, Val F Lanza, Carlos Briones

Published: 2024-06-14
Subjects: Life Sciences

Evolutionary processes acting on molecule populations and their assemblies preceded the origin of living organisms. These prebiotic world entities were (re)produced; that is, independently produced by the assembly of their components, following an iterative process giving rise to identical entities, recalling the progeny resulting from self-reproduction. Before the dawn of life, natural selection [...]

The promise of community-driven preprints in ecology and evolution

Daniel W.A. Noble, Zoe A. Xirocostas, Nicholas C. Wu, et al.

Published: 2024-06-13
Subjects: Ecology and Evolutionary Biology, Life Sciences

Here, we explore the first preprints uploaded to EcoEvoRxiv to characterise preprint practices in ecology and evolution. We aim to understand: 1) in what countries authors who use EcoEvoRxiv are located; 2) the taxonomic diversity of study systems across preprints; 3) whether preprint server use depends on career stage and gender; 4) the extent to which authors make use of preprint servers for [...]

Sedimentary ancient DNA reveals Neolithic pastoralism and plant community interactions at Southern European high altitudes

Irene Julián-Posada, Graciela Gil-Romera, Sandra Garcés-Pastor, et al.

Published: 2024-06-13
Subjects: Life Sciences

The Neolithization process introduced significant ecological impacts, especially in Mediterranean mountain areas. We generated a comprehensive sedimentary ancient DNA record from the central Pyrenees, spanning 12.2 to 1.3 ka BP, revealing the earliest continuous presence of sheep (6.5 ka BP) and cattle (5.9 ka BP) in alpine southern Europe. This evidence suggests pastoralism nearly concurred with [...]

Influence of intermittent stream dynamics on predator-prey interactions

Milena Gonçalves-Silva, Elvira D'Bastiani, Thibault Datry, et al.

Published: 2024-06-13
Subjects: Life Sciences

Intermittent rivers and ephemeral streams are dynamic ecosystems characterized by periodic interruptions in flow, leading to temporary or complete absence of water. These dynamics create a mosaic of isolated pools, reducing habitat volume and connectivity, and impacting resource availability and predation levels. This study addresses three key questions: (i) Do species composition and [...]

The "Conhecimento Brasil" Program neglects the structural problems of Brazilian science and fails to offer a solution to the brain drain

Bruno Eleres Soares, Arthur Lamounier Moura, Vanbasten Noronha de Araújo, et al.

Published: 2024-06-12
Subjects: Science and Technology Studies

We, a group of Brazilian scientists residing abroad in diverse career stages, are writing in response to CNPq’s recent announcement of the "Talent Repatriation Program - Conhecimento Brasil," (see Morimoto 2024). We discuss our impressions and suggestions to align the proposal with what the program aims to achieve.

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