M. Ludányi, E. Peeters, B. Kiss, Á. Gáspár, I. Roessink, T. Magura, Z. Müller
{"title":"匈牙利水道中Pacifastacus leniusculus (Dana, 1852)的现状及其对水生大型无脊椎动物群落的影响","authors":"M. Ludányi, E. Peeters, B. Kiss, Á. Gáspár, I. Roessink, T. Magura, Z. Müller","doi":"10.3391/ai.2022.17.4.05","DOIUrl":null,"url":null,"abstract":"The freshwater crayfish Pacifastacus leniusculus is among the most widespread invasive crayfish species in Europe. Pacifastacus leniusculus invaded Hungary around 1998 and here we investigated the recent expansion of this species and its impact on other aquatic macroinvertebrates. The colonization of watercourses throughout Europe by the signal crayfish resulted in negative impacts on the present aquatic communities. Our investigation (i.e. in Rába, Pinka, Gyöngyös-stream, Répce, Arany-stream and Strém systems) revealed that the distribution range of signal crayfish is still in expansion in the western part of Hungary and in all likelihood impacting the aquatic communities in these watercourses. Our results obviously demonstrated that signal crayfish densities were highest in habitats with gravel or coarse particulate organic matter, which seems to reflect a species-specific habitat preference. Our investigation proved that the presence of P. leniusculus had negative effects on a number of protected species such as Calopteryx virgo and Onychogomphus forcipatus next to a significant negative effect on the Odonata and Trichoptera species richness as well as on the abundances of Ephemeroptera, Odonata and Trichoptera. Our study in Hungary supports the notion of the significant negative impact of signal crayfish on native freshwater invertebrate communities throughout Europe. In order to assess whether these impacts are restricted to fast flowing waters only, an adequate monitoring plan providing more knowledge on this species with respect to biotic and abiotic preferences and aquatic macroinvertebrate composition is required.","PeriodicalId":8119,"journal":{"name":"Aquatic Invasions","volume":"19 1","pages":""},"PeriodicalIF":2.2000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"The current status of Pacifastacus leniusculus (Dana, 1852) and their effect on aquatic macroinvertebrate communities in Hungarian watercourses\",\"authors\":\"M. Ludányi, E. Peeters, B. Kiss, Á. Gáspár, I. Roessink, T. Magura, Z. Müller\",\"doi\":\"10.3391/ai.2022.17.4.05\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The freshwater crayfish Pacifastacus leniusculus is among the most widespread invasive crayfish species in Europe. 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Our investigation proved that the presence of P. leniusculus had negative effects on a number of protected species such as Calopteryx virgo and Onychogomphus forcipatus next to a significant negative effect on the Odonata and Trichoptera species richness as well as on the abundances of Ephemeroptera, Odonata and Trichoptera. Our study in Hungary supports the notion of the significant negative impact of signal crayfish on native freshwater invertebrate communities throughout Europe. 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The current status of Pacifastacus leniusculus (Dana, 1852) and their effect on aquatic macroinvertebrate communities in Hungarian watercourses
The freshwater crayfish Pacifastacus leniusculus is among the most widespread invasive crayfish species in Europe. Pacifastacus leniusculus invaded Hungary around 1998 and here we investigated the recent expansion of this species and its impact on other aquatic macroinvertebrates. The colonization of watercourses throughout Europe by the signal crayfish resulted in negative impacts on the present aquatic communities. Our investigation (i.e. in Rába, Pinka, Gyöngyös-stream, Répce, Arany-stream and Strém systems) revealed that the distribution range of signal crayfish is still in expansion in the western part of Hungary and in all likelihood impacting the aquatic communities in these watercourses. Our results obviously demonstrated that signal crayfish densities were highest in habitats with gravel or coarse particulate organic matter, which seems to reflect a species-specific habitat preference. Our investigation proved that the presence of P. leniusculus had negative effects on a number of protected species such as Calopteryx virgo and Onychogomphus forcipatus next to a significant negative effect on the Odonata and Trichoptera species richness as well as on the abundances of Ephemeroptera, Odonata and Trichoptera. Our study in Hungary supports the notion of the significant negative impact of signal crayfish on native freshwater invertebrate communities throughout Europe. In order to assess whether these impacts are restricted to fast flowing waters only, an adequate monitoring plan providing more knowledge on this species with respect to biotic and abiotic preferences and aquatic macroinvertebrate composition is required.
期刊介绍:
Aquatic Invasions is an open access, peer-reviewed international journal focusing on academic research of biological invasions in both inland and coastal water ecosystems from around the world.
It was established in 2006 as initiative of the International Society of Limnology (SIL) Working Group on Aquatic Invasive Species (WGAIS) with start-up funding from the European Commission Sixth Framework Programme for Research and Technological Development Integrated Project ALARM.
Aquatic Invasions is an official journal of International Association for Open Knowledge on Invasive Alien Species (INVASIVESNET).
Aquatic Invasions provides a forum for professionals involved in research of aquatic non-native species, including a focus on the following:
• Patterns of non-native species dispersal, including range extensions with global change
• Trends in new introductions and establishment of non-native species
• Population dynamics of non-native species
• Ecological and evolutionary impacts of non-native species
• Behaviour of invasive and associated native species in invaded areas
• Prediction of new invasions
• Advances in non-native species identification and taxonomy