Preprints
Filtering by Subject: Biodiversity
Diversity and co-occurrence patterns of wood inhabiting insects along a tropical forest regeneration gradient
Published: 2026-04-07
Subjects: Biodiversity, Biology, Ecology and Evolutionary Biology, Entomology, Life Sciences
More than 90% of global carbon released during dead wood decomposition comes from the tropics, where insects contribute significantly to this process, especially in lowland rainforests. Understanding community assembly of dead wood-inhabiting insects is therefore important. We investigated diversity patterns between habitats and host trees, and co-occurrence of wood-inhabiting ants, termites, and [...]
Network architecture and vulnerability of macroalgal epiphyte-host interactions in Caribbean coastal ecosystems: implications for marine conservation
Published: 2026-04-06
Subjects: Biodiversity, Ecology and Evolutionary Biology, Life Sciences, Marine Biology, Terrestrial and Aquatic Ecology
Background and Aims Tropical coastal marine ecosystems depend critically on macroalgal epiphyte–host interaction networks to sustain biodiversity, primary production, and ecosystem services, yet the architecture and vulnerability of these networks remain poorly characterised in the Caribbean. This study aimed to characterise the topological structure of the epiphyte–host interaction network in [...]
Integrating ecoacoustic monitoring with machine learning to survey black-and-white ruffed lemurs (Varecia variegata) in Madagascar's Corridor Forestier d'Ambositra Vondrozo (COFAV)
Published: 2026-04-06
Subjects: Biodiversity, Zoology
Black-and-white ruffed lemurs (Varecia variegata) are a Critically Endangered species limited to the fragmented eastern Malagasy rainforests. The importance of their conservation is underscored by their vital seed dispersal and pollinator niches; they are a keystone species and indicator of forest health. Little is known of their distribution in the Corridor Forestier d'Ambositra Vondrozo [...]
Secondary Forests Matter: Botanical Diversity and Structure Supporting Plecturocebus Oenanthe Persistence in Fragmented San Martín Forests, Peru
Published: 2026-04-06
Subjects: Biodiversity, Life Sciences
Plecturocebus oenanthe (Callicebinae) is Critically Endangered and restricted to fragmented premontane forests of San Martín, Peru. Severe habitat loss and altered forest structure threaten population persistence, and baseline ecological knowledge of habitat requirements is lacking. We characterized floristic composition and forest structural attributes across occupied habitats to identify [...]
Crop species and climate shape amphibian communities and conservation significance of coffee agroforests in the Western Ghats
Published: 2026-04-03
Subjects: Biodiversity, Other Forestry and Forest Sciences, Population Biology, Terrestrial and Aquatic Ecology
Shade coffee agroforests are recognized as refuges for biodiversity and potential allies in conservation across the human-modified tropics. However, biodiversity is strongly influenced by coffee cultivation methods and climates, both of which vary widely and are increasingly dynamic. In this context, one significant but understudied change is the shift in cultivated species from arabica (Coffea [...]
Male scent-marks predict fitness via socio-spatial dominance, but not female choice, in a lacertid lizard
Published: 2026-04-03
Subjects: Animal Sciences, Biodiversity, Life Sciences, Zoology
Chemical communication via scent-marks is widely recognised as a key mediator of sexual selection in lizards, yet their role remains contentious because we mostly ignore how scent-mark composition ultimately impacts male fitness in nature. Male scent-marks are often proposed to function as condition-dependent honest sexual signals mediating female choice, but an arising alternative hypothesis is [...]
On the role of biogeography in the Extended Evolutionary Synthesis
Published: 2026-04-01
Subjects: Biodiversity, Ecology and Evolutionary Biology, Life Sciences
In the first half of the 20th century, the Modern Synthesis (MS) integrated Mendelian genetics, paleontology, systematics, natural history, common descent, and natural selection. Although the MS has been the guiding paradigm of evolutionary studies since 1950, by the beginning of the 21st century, a new synthesis incorporated themes such as evo-devo, phenotypic plasticity, and epigenetic [...]
Range-wide pangenomics reveals vulnerability and adaptation in a sedentary bird
Published: 2026-03-31
Subjects: Biodiversity, Ecology and Evolutionary Biology, Genetics and Genomics
Structural genetic variants are known to underlie evolutionary adaptations, but have never been evaluated across the entire geographic range of a species. We constructed the first range-wide pangenome to evaluate how such variants may influence conservation efforts of the Montezuma quail (Cyrtonyx montezumae). Profiles of local adaptation, population structure, and genomic diversity all support a [...]
Trophic niche structure of invertebrate-eating bats and birds in West African rice agroecosystems revealed by DNA metabarcoding
Published: 2026-03-30
Subjects: Biodiversity, Biology, Life Sciences
Knowledge of animal community diets is essential for understanding ecosystem functioning. Bats and birds are important groups of invertebrate predators, managing their populations. However, the diets of West African species and the mechanisms shaping them remain poorly understood. In this study, we investigated these mechanisms in agricultural landscapes of Guinea-Bissau using metabarcoding and [...]
Synergies and trade-offs between tree cover expansion efforts within and outside forests to achieve climate, biodiversity and human well-being outcomes
Published: 2026-03-23
Subjects: Biodiversity, Environmental Studies, Nature and Society Relations, Other Forestry and Forest Sciences, Physical and Environmental Geography, Remote Sensing
Increasing tree cover is hailed as a leading climate mitigation strategy, yet there is increasing evidence that there may be trade-offs between trees in different parts of the landscape. Existing science, policy, and practice on natural climate solutions (NCS) assumes that trees outside of forests, for example on farms, homesteads, or in urban areas, are synergistic with forest conservation: if [...]
Towards a better understanding of adaptation: Problem description, partial solutions, and recommendations
Published: 2026-03-20
Subjects: Animal Experimentation and Research, Animal Studies, Behavior and Ethology, Biodiversity, Developmental Biology, Evolution, Human Ecology, Integrative Biology, Life Sciences, Other Ecology and Evolutionary Biology, Other Genetics and Genomics, Other Public Affairs, Public Policy and Public Administration, Population Biology, Science and Technology Studies
This paper is the product of an international workshop aiming to make progress in our general understanding of adaptation. We met from 5-7 February 2025 in Hannover (Germany), funded by the foundation “Volkswagen Stiftung”. For our group of theoretical and empirical biologists, social scientists, and philosophers of science we set up a program to facilitate communication and collaboration between [...]
Global indicator data tracking changes in species-level biodiversity persistence, ecosystem resilience under climate change, and protected-area representativeness and connectedness
Published: 2026-03-16
Subjects: Biodiversity
Motivation Biodiversity indicator data that are transparent, meaningful and up to date are important for tracking progress in achieving biodiversity targets and goals under the Kunming-Montreal Global Biodiversity Framework, and for identifying the degree to which further action is required. Main types of variable contained Output and summary data are provided for four biodiversity indicators: [...]
Evaluating population resilience to anticipated stressors using integrated population modeling: a case study of Peregrine Falcons
Published: 2026-03-15
Subjects: Biodiversity, Biology, Ecology and Evolutionary Biology, Life Sciences, Ornithology, Population Biology
Reliable estimates of demographic parameters are fundamental to understanding population dynamics and guiding conservation efforts. Integrated population models (IPMs) provide a powerful framework for jointly analyzing diverse data sources to estimate demographic rates and population trajectories, evaluate resilience to environmental stressors, and project population dynamics info the future. We [...]
A widespread gap in U.S. Endangered Species Act implementation: Risk of genetic erosion within populations
Published: 2026-03-15
Subjects: Biodiversity, Life Sciences
Despite its importance to fitness and population viability, genetic diversity is rarely incorporated into biodiversity assessments. The recent adoption of indicators of intraspecific genetic diversity by the Convention on Biological Diversity has highlighted the importance of evaluating genetic diversity in wild species. Genetic indicators are useful even in the absence of genetic data because [...]
Understanding Conservation Decision-makers’ Preferences for Evidence
Published: 2026-03-11
Subjects: Biodiversity, Ecology and Evolutionary Biology, Environmental Policy, Other Ecology and Evolutionary Biology, Other Economics, Other Social and Behavioral Sciences, Terrestrial and Aquatic Ecology
1. Effective conservation depends on decisions informed by evidence that is both trustworthy and relevant to specific local contexts. However, little is known about which characteristics of evidence conservation decision-makers prioritise when deciding what information to trust. 2. We explored decision-makers’ preferences for different attributes of evidence using a discrete choice experiment in [...]