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The mechanism underlying community assembly is a core content in the fields of biogeography and community ecology. Understanding community assembly is of great significance for biodiversity conservation. The theory of metacommunity incorporates spatial dynamics into community ecology, elucidating how ecological processes drive community construction at local and regional scales. Metacommunities originated from plant community ecology and have been extensively studied in large animal and plant communities. In recent years, they have also begun to be applied to small- and micro -animal communities. Nematodes are the most diverse and abundant animals, capable of predicting environmental changes at multiple scales, and are model organisms for the study of community assembly theory. We introduced the main content of the theory of nematode assemblages, and reviewed research progress on nematode assemblages in marine, freshwater, and soil habitats. We further proposed to optimize nematode classification methods and enrich the research scale of nematode assemblages in the future, aiming to improve the research content of nematode assemblages and further promote the research and development of community assembly mechanisms in community ecology.
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http://dx.doi.org/10.13287/j.1001-9332.202505.032 | DOI Listing |
Obesity (Silver Spring)
September 2025
Division of Hematology, Oncology, and Palliative Care, School of Medicine, Virginia Commonwealth University, Richmond, Virginia, USA.
Objective: From October 18-20, 2022, the National Institutes of Health held a workshop to examine the state of the science concerning obesity interventions in adults to promote health equity. The workshop had three objectives: (1) Convene experts from key institutions and the community to identify gaps in knowledge and opportunities to address obesity, (2) generate recommendations for obesity prevention and treatment to achieve health equity, and (3) identify challenges and needs to address obesity prevalence and disparities, and develop a diverse workforce.
Methods: A three-day virtual convening.
PNAS Nexus
September 2025
Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, Leipzig 04103, Germany.
Cultural transmission across generations is key to cumulative cultural evolution. While several mechanisms-such as vertical, horizontal, and oblique transmission-have been studied for decades, how these mechanisms change across the life course, beyond childhood, remains unclear. Furthermore, it is under-explored whether different mechanisms apply to distinct learning processes: long-term learning-where individuals invest time and effort to acquire skills-and short-term learning-where individuals share information of immediate use.
View Article and Find Full Text PDFJ Anim Ecol
September 2025
Terrestrial Ecology Research Group, Department of Ecology and Ecosystem Management, School of Life Sciences, Technische Universität München, Freising, Germany.
Land-use change and intensification are major drivers of biodiversity loss, yet their effects on diversity have usually been studied within a single habitat type or land-use category, limiting our understanding of cross-habitat patterns. Moths, a species-rich taxon worldwide, represent a significant portion of the biodiversity in both temperate forests and grasslands, functioning as pollinators and herbivores. While increasing land-use intensity (LUI) in both habitats is expected to negatively impact moth assemblages, the strength of this effect remains uncertain.
View Article and Find Full Text PDFJ Fish Biol
September 2025
Department of Fisheries and Aquatic Sciences, Cross River University of Technology, PMB 102 Obubra Campus, Calabar, Nigeria.
Floodplains support a diverse cichlid community, yet the trophic ecology of these species is not well understood. This study investigated the dietary niches and trophic guilds of cichlid species in the Cross River floodplain. A total of 480 fish samples from eight cichlid species were collected from three locations (Itu, Obubra, Ikom) over 6 months (October 2019-March 2020).
View Article and Find Full Text PDFJ Interpers Violence
September 2025
University of Memphis, TN, USA.
Complex trauma (CT), or chronic interpersonal trauma that begins early in life, has been associated with a multitude of negative outcomes, including posttraumatic stress symptoms (PTSS) and emotion dysregulation. Some CT survivors also exhibit adaptive functioning, such as resilience. Social and contextual factors may have an impact on the expression of adverse and adaptive outcomes for CT survivors, yet have been neglected.
View Article and Find Full Text PDF