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Floodplain forests drive fruit-eating fish diversity at the Amazon Basin-scale.
Proc Natl Acad Sci U S A
January 2025
Centre de Recherche sur la Biodiversité et l'Environnement, Université de Toulouse, Institut de Recherche pour le Développement, Institut National Polytechnique de Toulouse, Université Toulouse 3 - Paul Sabatier, Toulouse F-31062, France.
Unlike most rivers globally, nearly all lowland Amazonian rivers have unregulated flow, supporting seasonally flooded floodplain forests. Floodplain forests harbor a unique tree species assemblage adapted to flooding and specialized fauna, including fruit-eating fish that migrate seasonally into floodplains, favoring expansive floodplain areas. Frugivorous fish are forest-dependent fauna critical to forest regeneration via seed dispersal and support commercial and artisanal fisheries.
View Article and Find Full Text PDFAdaptive evolution of stress response genes in parasites aligns with host niche diversity.
BMC Biol
January 2025
Faculty of Sciences, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, UHasselt - Hasselt University, Diepenbeek, Belgium.
Background: Stress responses are key the survival of parasites and, consequently, also the evolutionary success of these organisms. Despite this importance, our understanding of the evolution of molecular pathways dealing with environmental stressors in parasitic animals remains limited. Here, we tested the link between adaptive evolution of parasite stress response genes and their ecological diversity and species richness.
View Article and Find Full Text PDFUsing DNA metabarcoding and direct behavioural observations to identify the diet of proboscis monkeys (Nasalis larvatus) in the Kinabatangan Floodplain, Sabah.
PLoS One
January 2025
Danau Girang Field Centre, c/o Sabah Wildlife Department, Kota Kinabalu, Malaysia.
Characterizing the feeding ecology of threatened species is essential to establish appropriate conservation strategies. We focused our study on the proboscis monkey (Nasalis larvatus), an endangered primate species which is endemic to the island of Borneo. Our survey was conducted in the Lower Kinabatangan Wildlife Sanctuary (LKWS), a riverine protected area that is surrounded by oil palm plantations.
View Article and Find Full Text PDFPhytoliths in dicotyledons occurring in North-western Europe: Establishing a baseline.
Ann Bot
December 2024
Archaeology, Environmental Changes and Geo-Chemistry Research Group, Vrije Universiteit Brussel, Pleinlaan 2, Elsene 1050, Belgium.
Background And Aims: The absence of a modern plant-based 'dicotyledon' phytolith reference baseline impedes the accurate interpretation of fossil phytolith records in archaeological and palaeoecological research within North-western Europe. This study aims to fill this gap by documenting and analysing the phytolith record from modern dicotyledon taxa occurring in this region.
Methods: Phytoliths were extracted from several plant parts of 117 plant specimens representing 74 species (1-2 specimens/species).
Phylogeny, antiquity, and niche occupancy of Trinomia (Hymenoptera: Halictidae), an Afrotropical endemic genus of Nomiinae.
Mol Phylogenet Evol
December 2024
Department of Entomology, Washington State University, Pullman, WA, USA; Department of Entomology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.
Article Synopsis
- The Afrotropical region has a rich diversity of endemic bee groups, particularly the Nomiinae subfamily, but their study has often lacked an integrated approach.
- Researchers used phylogenomics, molecular dating, and distribution modeling to investigate the evolutionary ecology of the genus Trinomia, analyzing data from 59 species, including all six Trinomia species.
- Findings indicated that Trinomia is monophyletic with unexpected connections to the Asian genus Gnathonomia, and suggests a recent origin of Trinomia around 5.8 million years ago, highlighting the need for further research on African bee biodiversity.
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