Lavigne et al. developed models to investigate the adaptive colonization of sink environments by asexual organisms. Their results have clear relevance to the spread of infectious disease, but they may also provide insights into prokaryotic invasions into natural communities. Their results show that propagule pressure might not be a good predictor of invasion success in prokaryotes, suggesting that more work is needed to understand how microbial invasions differ from those of plants and animals.
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http://dx.doi.org/10.1111/evo.13889 | DOI Listing |
Bioscience
November 2024
USDA Forest Service Northern Research Station, Morgantown, West Virginia, United States.
Invasions by nonnative insect species can massively disrupt ecological processes, often leading to serious economic impacts. Previous work has identified propagule pressure as important driver of the trend of increasing numbers of insect invasions worldwide. In the present article, we propose an alternative hypothesis-that insect invasions are being driven by the proliferation of nonnative plants, which create niches for insect specialists and facilitate their establishment outside their native ranges where their hosts are planted or are invasive.
View Article and Find Full Text PDFEvol Appl
October 2024
School of Biological Sciences, Faculty of Science Monash University Clayton 3800 Victoria Australia.
In long-distance dispersal events, colonising species typically begin with a small number of founding individuals. A growing body of research suggests that establishment success of small founding populations can be determined by the context of the colonisation event and the new environment. Here, we illuminate the importance of these sources of context dependence.
View Article and Find Full Text PDFTrends Plant Sci
January 2025
Univ Angers, Institut Agro, INRAE, IRHS, SFR QUASAV, F-49000 Angers, France. Electronic address:
Manipulating the seedling microbiota through seed or soil inoculations has the potential to improve plant health. Mixed in-field results have been attributed to a lack of consideration for ecological processes taking place during seedling microbiota assembly. In this opinion article, we (i) assess the contribution of ecological processes at play during seedling microbiota assembly (e.
View Article and Find Full Text PDFPlants (Basel)
September 2024
Instituto Universitario de Estudios Ambientales y Recursos Naturales (IUNAT), Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Canary Islands, Spain.
Mar Pollut Bull
October 2024
Maurice-Lamontagne Institute, Fisheries and Oceans Canada, 850 route de la Mer, Mont-Joli, QC G5H 3Z4, Canada. Electronic address:
Ship ballast residual sediments are an important vector of introduction for non-indigenous species. We evaluated the proportion of residual sediments and associated organisms released during de-ballasting operations of a commercial bulk carrier and estimated a total residual sediment accumulation of ∼13 t, with accumulations of up to 20 cm in some tank areas that had accumulated over 11 years. We observed interior hull-fouling (anemones, hydrozoans, and bryozoans) and high abundances of viable invertebrate resting stages and dinoflagellate cysts in sediments.
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