Tracking a killer shrimp: Dikerogammarus villosus invasion dynamics across Europe

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12520%2F23%3A43906214" target="_blank" >RIV/60076658:12520/23:43906214 - isvavai.cz</a>

Alternative codes found

RIV/00216224:14310/23:00130198

Result on the web

<a href="https://doi.org/10.1111/ddi.13649" target="_blank" >https://doi.org/10.1111/ddi.13649</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/ddi.13649" target="_blank" >10.1111/ddi.13649</a>

Result language

angličtina

Original language name

Tracking a killer shrimp: Dikerogammarus villosus invasion dynamics across Europe

Original language description

Aim Invasive alien species are a growing problem worldwide due to their ecological, economic and human health impacts. The &quot;killer shrimp&quot; Dikerogammarus villosus is a notorious invasive alien amphipod from the Ponto-Caspian region that has invaded many fresh and brackish waters across Europe. Understandings of large-scale population dynamics of highly impactful invaders such as D. villosus are lacking, inhibiting predictions of impact and efficient timing of management strategies. Hence, our aim was to assess trends and dynamics of D. villosus as well as its impacts in freshwater rivers and streams. Location Europe. Methods We analysed 96 European time series between 1994 and 2019 and identified trends in the relative abundance (i.e. dominance %) of D. villosus in invaded time series, as well as a set of site-specific characteristics to identify drivers and determinants of population changes and invasion dynamics using meta-regression modelling. We also looked at the spread over space and time to estimate the invasion speed (km/year) of D. villosus in Europe. We investigated the impact of D. villosus abundance on recipient community metrics (i.e. abundance, taxa richness, temporal turnover, Shannon diversity and Pielou evenness) using generalized linear models. Results Population trends varied across the time series. Nevertheless, community dominance of D. villosus increased over time across all time series. The frequency of occurrences (used as a proxy for invader spread) was well described by a Pareto distribution, whereby we estimated a lag phase (i.e. the time between introduction and spatial expansion) of approximately 28 years, followed by a gradual increase before new occurrences declined rapidly in the long term. D. villosus population change was associated with decreased taxa richness, community turnover and Shannon diversity. Main Conclusion Our results show that D. villosus is well-established in European waters and its abundance significantly alters ecological communities. However, the multidecadal lag phase prior to observed spatial expansion suggests that initial introductions by D. villosus are cryptic, thus signalling the need for more effective early detection methods.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10619 - Biodiversity conservation

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Diversity and Distributions

ISSN

1366-9516

e-ISSN

1472-4642

Volume of the periodical

29

Issue of the periodical within the volume

1

Country of publishing house

US - UNITED STATES

Number of pages

16

Pages from-to

157-172

UT code for WoS article

000879187400001

EID of the result in the Scopus database

2-s2.0-85141442754