Amphipod crustaceans belong to the most successful invaders of aquatic environments. The work provides information concerning the spatial and temporal scales of expansion of four alien gammarid amphipods (three of them of Ponto-Caspian and one of North American origin): Pontogammarus robustoides (G.O. Sars, 1894), Obesogammarus crassus (G.O. Sars, 1894), Dikerogammarus haemobaphes (Eichwald, 1841), and Gammarus tigrinus Sexton, 1939 in the Vistula Lagoon (VL) and the Vistula Delta (VD) in 2008-2010. The mean abundance of these gammarids in nearshore zones was 382 ind m(-2) in VL and 89 ind m(-2) in VD. Their mean biomasses were likewise greater in VL (0.91 g m(-2)) than in VD (0.49 g m(-2)). G. tigrinus was the most dominant species in both nearshore zones of VL and VD and attained the highest frequency in these areas. The study gives evidence of total extinction of native gammarid species.
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Heliyon
January 2025
Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region, Collaborative Innovation Center for Mountain Ecology & Agro-Bioengineering, College of Life Sciences, Guizhou University, Guiyang, 550025, China.
Vegetation change significantly altered the hydrological processes and soil erosion within riparian ecosystems. It is unclear how change in managed vegetation types affect the geochemical behavior of heavy metals (HMs) and magnetic particles in karst riparian areas. Two soil depths of 0-20 cm and 20-40 cm were taken in alien species (), native species and in a typical urban plateau Lake wetland, Caohai lake, China.
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January 2025
Faculty of Biology, University of Bucharest, 1-3 Intr. Portocalelor, 060101 Bucharest, Romania.
Understanding the drivers of invasive species' success is essential for predicting and managing their ecological impacts. , a South American species first recorded in Bucharest in 2015, is currently expanding into urban and peri-urban areas of Romania, raising concerns about its invasive potential. This study provides a comprehensive assessment of its invasiveness by integrating species distribution modeling, a reproductive trait analysis, and morpho-structural evaluations.
View Article and Find Full Text PDFMar Pollut Bull
January 2025
Institute of Fisheries Science, College of Life Science, National Taiwan University, Taipei, Taiwan. Electronic address:
In this study, a pair of matured specimens of gilthead sea bream (Sparus aurata Linnaeus, 1758) were collected at a depth of approximately 20 m near Keelung Port, northern Taiwan (25°11'32″N, 121°47'8″E), on November 23, 2024. The specimens were identified and confirmed as S. aurata through both morphological and molecular analyses.
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December 2024
School of Architecture and Urban Planning, Shenzhen University, Shenzhen 518060, China.
Invasive alien species often undergo shifts in their ecological niches when they establish themselves in environments that differ from their native habitats. Fisher LaSalle (Hymenoptera: Eulophidae), specifically, has caused huge economic losses to trees in Australia. The global spread of cultivation has allowed to threaten plantations beyond its native habitat.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650225, China.
Rape () is an important oilseed crop widely cultivated worldwide. Due to its relatively short evolutionary and domestication history, its intra-species genetic diversity is limited. Radish (), belonging to a different genus but the same family as , possesses an abundance of excellent gene resources.
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