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Vilizzi L, Hill JE, Piria M, Copp GH. A protocol for screening potentially invasive non-native species using Weed Risk Assessment-type decision-support tools. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 832:154966. [PMID: 35367540 DOI: 10.1016/j.scitotenv.2022.154966] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/09/2022] [Accepted: 03/28/2022] [Indexed: 06/14/2023]
Abstract
There is increasing use worldwide of electronic decision-support tools to identify potentially invasive non-native species so as to inform policy and management decisions aimed at preventing or mitigating the environmental and socio-economic impacts of biological invasions. This study reviews the analytical approaches used to calibrate scores generated by the Weed Risk Assessment and subsequent adaptations thereof and provides a protocol for: (i) the identification of the assessor(s) who will carry out the screenings; (ii) the definition of the risk assessment area; (iii) the criteria for selection of the species for screening; and (iv) the a priori categorisation of the species into invasive or non-invasive necessary to compute the thresholds by which to distinguish between high-risk and medium-risk non-native species. This analytical approach represents an evidence-based and statistically robust means with which to inform decision-makers and stakeholders about policy and management of potentially invasive species and is expected to serve as a general reference of forthcoming screening applications of Weed Risk Assessment-type toolkits.
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Affiliation(s)
- Lorenzo Vilizzi
- Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland
| | - Jeffrey E Hill
- Tropical Aquaculture Laboratory, Program in Fisheries and Aquatic Sciences, School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Ruskin, FL 33570, USA
| | - Marina Piria
- Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland; University of Zagreb Faculty of Agriculture, Department of Fisheries, Apiculture, Wildlife Management and Special Zoology, 10000 Zagreb, Croatia.
| | - Gordon H Copp
- Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland; Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, Suffolk NR33 0HT, UK; Centre for Ecology, Environment and Sustainability, Bournemouth University, Poole, Dorset BH12 5BB, UK; Environmental & Life Sciences Graduate Programme, Trent University, Peterborough, Ontario K9L 0G2, Canada
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2
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Gu Q, Wang S, Zhong H, Yuan H, Yang J, Yang C, Huang X, Xu X, Wang Y, Wei Z, Wang J, Liu S. Phylogeographic relationships and the evolutionary history of the Carassius auratus complex with a newly born homodiploid raw fish (2nNCRC). BMC Genomics 2022; 23:242. [PMID: 35350975 PMCID: PMC8962218 DOI: 10.1186/s12864-022-08468-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 03/14/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
An important aspect of studying evolution is to understand how new species are formed and their uniqueness is maintained. Hybridization can lead to the formation of new species through reorganization of the adaptive system and significant changes in phenotype. Interestingly, eight stable strains of 2nNCRC derived from interspecies hybridization have been established in our laboratory. To examine the phylogeographical pattern of the widely distributed genus Carassius across Eurasia and investigate the possible homoploid hybrid origin of the Carassius auratus complex lineage in light of past climatic events, the mitochondrial genome (mtDNA) and one nuclear DNA were used to reconstruct the phylogenetic relationship between the C. auratus complex and 2nNCRC and to assess how demographic history, dispersal and barriers to gene flow have led to the current distribution of the C. auratus complex.
Results
As expected, 2nNCRC had a very close relationship with the C. auratus complex and similar morphological characteristics to those of the C. auratus complex, which is genetically distinct from the other three species of Carassius. The estimation of divergence time and ancestral state demonstrated that the C. auratus complex possibly originated from the Yangtze River basin in China. There were seven sublineages of the C. auratus complex across Eurasia and at least four mtDNA lineages endemic to particular geographical regions in China. The primary colonization route from China to Mongolia and the Far East (Russia) occurred during the Late Pliocene, and the diversification of other sublineages of the C. auratus complex specifically coincided with the interglacial stage during the Early and Mid-Pleistocene in China.
Conclusion
Our results support the origin of the C. auratus complex in China, and its wide distribution across Eurasia was mainly due to natural Pleistocene dispersal and recent anthropogenic translocation. The sympatric distribution of the ancestral area for both parents of 2nNCRC and the C. auratus complex, as well as the significant changes in the structure of pharyngeal teeth and morphological characteristics between 2nNCRC and its parents, imply that homoploid hybrid speciation (HHS) for C. auratus could likely have occurred in nature. The diversification pattern indicated an independent evolutionary history of the C. auratus complex, which was not separated from the most recent common ancestor of C. carassius or C. cuvieri. Considering that the paleoclimate oscillation and the development of an eastward-flowing drainage system during the Pliocene and Pleistocene in China provided an opportunity for hybridization between divergent lineages, the formation of 2nNCRC in our laboratory could be a good candidate for explaining the HHS of C. auratus in nature.
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Dominguez Almela V, South J, Britton JR. Predicting the competitive interactions and trophic niche consequences of a globally invasive fish with threatened native species. J Anim Ecol 2021; 90:2651-2662. [PMID: 34309851 DOI: 10.1111/1365-2656.13571] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 07/19/2021] [Indexed: 12/01/2022]
Abstract
Novel trophic interactions between invasive and native species potentially increase levels of interspecific competition in the receiving environment. However, theory on the trophic impacts of invasive fauna on native competitors is ambiguous, as while increased interspecific competition can result in the species having constricted and diverged trophic niches, the species might instead increase their niche sizes, especially in omnivorous species. The competitive interactions between an omnivorous invasive fish, common carp Cyprinus carpio, and a tropically analogous native and threatened fish, crucian carp Carassius carassius, were tested using comparative functional responses (CFRs). A natural pond experiment then presented the species in allopatry and sympatry, determining the changes in their trophic (isotopic) niche sizes and positions over 4 years. These predictive approaches were complemented by assessing their trophic relationships in wild populations. Comparative functional responses revealed that compared to crucian carp, carp had a significantly higher maximum consumption rate. Coupled with a previous cohabitation growth study, these results predicted that competition between the species is asymmetric, with carp the superior competitor. The pond experiment used stable isotope metrics to quantify shifts in the trophic (isotopic) niche sizes of the fishes. In allopatry, the isotopic niches of the two species were similar sized and diverged. Conversely, in sympatry, carp isotopic niches were always considerably larger than those of crucian carp and were strongly partitioned. Sympatric crucian carp had larger isotopic niches than allopatric conspecifics, a likely response to asymmetric competition from carp. However, carp isotopic niches were also larger in sympatry than allopatry. In the wild populations, the carp isotopic niches were always larger than crucian carp niches, and were highly divergent. The superior competitive abilities of carp predicted in aquaria experiments were considered to be a process involved in sympatric crucian carp having larger isotopic niches than in allopatry. However, as sympatric carp also had larger niches than in allopatry, this suggests other ecological processes were also likely to be involved, such as those relating to fish prey resources. These results highlight the inherent complexity in determining how omnivorous invasive species integrate into food webs and alter their structure.
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Affiliation(s)
- Victoria Dominguez Almela
- Department of Life and Environmental Sciences, Faculty of Science and Technology, Bournemouth University, Poole, UK
| | - Josie South
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa
| | - J Robert Britton
- Department of Life and Environmental Sciences, Faculty of Science and Technology, Bournemouth University, Poole, UK
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Harper LR, Lawson Handley L, Sayer CD, Read DS, Benucci M, Blackman RC, Hill MJ, Hänfling B. Assessing the impact of the threatened crucian carp (Carassius carassius) on pond invertebrate diversity: A comparison of conventional and molecular tools. Mol Ecol 2020; 30:3252-3269. [PMID: 33002225 DOI: 10.1111/mec.15670] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 08/20/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022]
Abstract
Fishes stocked for recreation and angling can damage freshwater habitats and negatively impact biodiversity. The pond-associated crucian carp (Carassius carassius) is rare across Europe and is stocked for conservation management in England, but its impacts on pond biota are understudied. Freshwater invertebrates contribute substantially to aquatic biodiversity, encompassing many rare and endemic species, but their small size and high abundance complicate their assessment. Practitioners have employed sweep-netting and kick-sampling with microscopy (morphotaxonomy), but specimen size/quality and experience can bias identification. DNA and environmental DNA (eDNA) metabarcoding offer alternative means of invertebrate assessment. We compared invertebrate diversity in ponds (N = 18) with and without crucian carp using morphotaxonomic identification, DNA metabarcoding and eDNA metabarcoding. Five 2 L water samples and 3 min sweep-net samples were collected at each pond. Inventories produced by morphotaxonomic identification of netted samples, DNA metabarcoding of bulk tissue samples and eDNA metabarcoding of water samples were compared. Alpha diversity was greatest with DNA or eDNA metabarcoding, depending on whether standard or unbiased methods were considered. DNA metabarcoding reflected morphotaxonomic identification, whereas eDNA metabarcoding produced markedly different communities. These complementary tools should be combined for comprehensive invertebrate assessment. Crucian carp presence minimally reduced alpha diversity in ponds, but positively influenced beta diversity through taxon turnover (i.e., ponds with crucian carp contained different invertebrates to fishless ponds). Crucian carp presence contributes to landscape-scale invertebrate diversity, supporting continued conservation management in England. Our results show that molecular tools can enhance freshwater invertebrate assessment and facilitate development of more accurate and ecologically effective pond management strategies.
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Affiliation(s)
- Lynsey R Harper
- Department of Biological and Marine Sciences, University of Hull, Hull, UK.,Illinois Natural History Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, Champaign, IL, USA.,School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK
| | | | - Carl D Sayer
- Pond Restoration Research Group, Environmental Change Research Centre, Department of Geography, University College London, London, UK
| | - Daniel S Read
- Centre for Ecology & Hydrology (CEH), Wallingford, Oxfordshire, UK
| | - Marco Benucci
- Department of Biological and Marine Sciences, University of Hull, Hull, UK
| | - Rosetta C Blackman
- Department of Biological and Marine Sciences, University of Hull, Hull, UK.,Department of Aquatic Ecology, Eawag: Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.,Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
| | - Matthew J Hill
- School of Applied Sciences, University of Huddersfield, Huddersfield, UK
| | - Bernd Hänfling
- Department of Biological and Marine Sciences, University of Hull, Hull, UK
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Kim J, Ni G, Kim T, Chun J, Kern EMA, Park J. Phylogeography of the highly invasive sugar beet nematode, Heterodera schachtii (Schmidt, 1871), based on microsatellites. Evol Appl 2019; 12:324-336. [PMID: 30697343 PMCID: PMC6346664 DOI: 10.1111/eva.12719] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 07/18/2018] [Accepted: 09/04/2018] [Indexed: 12/31/2022] Open
Abstract
Plant-parasitic nematodes (PPNs) threaten crop production worldwide. Yet few studies have examined their intraspecific genetic diversity or patterns of invasion, critical data for managing the spread of these cryptic pests. The sugar beet nematode Heterodera schachtii, a global invader that parasitizes over 200 plant species, represents a model for addressing important questions about the invasion genetics of PPNs. Here, a phylogeographic study using 15 microsatellite markers was conducted on 231 H. schachtii individuals sampled from four continents, and invasion history was reconstructed through an approximate Bayesian computation approach, with emphasis on the origin of newly discovered populations in Korea. Multiple analyses confirmed the existence of cryptic lineages within this species, with the Korean populations comprising one group (group 1) and the populations from Europe, Australia, North America, and western Asia comprising another (group 2). No multilocus genotypes were shared between the two groups, and large genetic distance was inferred between them. Population subdivision was also revealed among the populations of group 2 in both population comparison and STRUCTURE analyses, mostly due to different divergent times between invasive and source populations. The Korean populations showed substantial genetic homogeneity and likely originated from a single invasion event. However, none of the other studied populations were implicated as the source. Further studies with additional populations are needed to better describe the distribution of the potential source population for the East Asian lineage.
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Affiliation(s)
- Jiyeon Kim
- Division of EcoScienceEwha Womans UniversitySeoulKorea
- Freshwater Biodiversity Research DivisionNakdonggang National Institute of Biological ResourcesSangjuKorea
| | - Gang Ni
- Division of EcoScienceEwha Womans UniversitySeoulKorea
| | - Taeho Kim
- Division of EcoScienceEwha Womans UniversitySeoulKorea
| | | | | | - Joong‐Ki Park
- Division of EcoScienceEwha Womans UniversitySeoulKorea
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Essl F, Bacher S, Genovesi P, Hulme PE, Jeschke JM, Katsanevakis S, Kowarik I, Kühn I, Pyšek P, Rabitsch W, Schindler S, van Kleunen M, Vilà M, Wilson JRU, Richardson DM. Which Taxa Are Alien? Criteria, Applications, and Uncertainties. Bioscience 2018. [DOI: 10.1093/biosci/biy057] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Franz Essl
- Division of Conservation Biology, Vegetation and Landscape Ecology at the University of Vienna, in Austria; the Department of Biodiversity and Nature Conservation at Environment Agency Austria, in Vienna; and the Centre for Invasion Biology in the Department of Botany and Zoology at Stellenbosch University, in South Africa
| | - Sven Bacher
- Department of Biology at the University of Fribourg, in Switzerland
| | - Piero Genovesi
- Institute for Environmental Protection and Research (ISPRA) and is the chair of the International Union for Conservation of Nature Species Survival Commission Invasive Species Specialist Group, in Rome, Italy
| | - Philip E Hulme
- Bio-Protection Research Centre at Lincoln University, in Christchurch, New Zealand
| | - Jonathan M Jeschke
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB); Freie Universität Berlin; and the Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), in Berlin, Germany
| | - Stelios Katsanevakis
- Department of Marine Sciences at the University of the Aegean, in Mytilene, Greece
| | - Ingo Kowarik
- Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB) and is chair of ecosystem science/plant ecology at Technische Universität Berlin, in Germany
| | - Ingolf Kühn
- Helmholtz Centre for Environmental Research–UFZ in the Department of Community Ecology, in Halle, Germany; the Geobotany and Botanical Garden at Martin Luther University Halle-Wittenberg, in Halle, Germany; and the German Centre for Integrative Biodiversity Research (iDiv), in Leipzig, Germany
| | - Petr Pyšek
- Institute of Botany and the Department of Invasion Ecology at The Czech Academy of Sciences, in Průhonice, Czech Republic, and with the Department of Ecology at Charles University, in Prague, Czech Republic
| | - Wolfgang Rabitsch
- Department of Biodiversity and Nature Conservation at Environment Agency Austria, in Vienna
| | - Stefan Schindler
- Department of Biodiversity and Nature Conservation at Environment Agency Austria, in Vienna
| | - Mark van Kleunen
- Department of Biology at the University of Konstanz, in Germany, and with the Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation at Taizhou University, in China
| | - Montserrat Vilà
- Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (EBD-CSIC), in Sevilla, Spain
| | - John R U Wilson
- Centre for Invasion Biology in the Department of Botany and Zoology at Stellenbosch University, in South Africa
- South African National Biodiversity Institute at the Kirstenbosch Research Centre, Cape Town, South Africa
| | - David M Richardson
- Centre for Invasion Biology in the Department of Botany and Zoology at Stellenbosch University, in South Africa
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Knytl M, Kalous L, Rylková K, Choleva L, Merilä J, Ráb P. Morphologically indistinguishable hybrid Carassius female with 156 chromosomes: A threat for the threatened crucian carp, C. carassius, L. PLoS One 2018; 13:e0190924. [PMID: 29360831 PMCID: PMC5779652 DOI: 10.1371/journal.pone.0190924] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 12/25/2017] [Indexed: 01/10/2023] Open
Abstract
The crucian carp Carassius carassius (Linnaeus, 1758), is native to many European freshwaters. Despite its wide distribution, the crucian carp is declining in both the number and sizes of populations across much of its range. Here we studied 30 individuals of a putative pure population from Helsinki, Finland. Despite clear external morphological features of C. carassius, an individual was of a higher ploidy level than the others. We therefore applied a set of molecular genetic (S7 nuclear and cytochrome b mitochondrial genes) and cytogenetic tools (sequential fluorescent 4’, 6-diamidino-2-phenylindole [DAPI], Chromomycin A3 [CMA3], C-banding and in situ hybridization [FISH] with both 5S and 28S ribosomal DNA probes) to determine its origin. While all examined characteristics of a diploid representative male (CCAHe2Fi) clearly corresponded to those of C. carassius, a triploid individual (CCAHe1Fi) was more complex. Phylogenetic analysis revealed that the nuclear genome of CCAHe1Fi contained three haploid sets: two C. gibelio and one C. carassius. However the mitochondrial DNA was that of C. gibelio, demonstrating its hybrid origin. The FISH revealed three strong (more intensive) 5S rDNA loci, confirming the triploid status, and an additional 24 weak (less intensive) signals were observed in the chromosome complement of CCAHe1Fi. On the other hand, only two strong and 16 weak 5S rDNA signals were visible on the chromosomes of the CCAHe2Fi male. 28S rDNA FISH revealed four strong signals in both CCAHe1Fi and CCAHe2Fi individuals. CMA3 staining revealed four to six CMA3-positive bands of CCAHe1Fi, while that of diploids contained only two to four. The fact that a polyploid hybrid Carassius female with a strong invasive potential may share morphological characters typical for endangered C. carassius highlights a need to combine genetic investigations of Carassius cryptic diversity with conservation measures of C. carassius in Europe.
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Affiliation(s)
- Martin Knytl
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
- * E-mail:
| | - Lukáš Kalous
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Kateřina Rylková
- Department of Genetics and Breeding, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Lukáš Choleva
- The Czech Academy of Sciences, Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, Liběchov, Czech Republic
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
| | - Juha Merilä
- Ecological Genetics Research Unit, Department of Biosciences, University of Helsinki, Finland
| | - Petr Ráb
- The Czech Academy of Sciences, Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, Liběchov, Czech Republic
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Jeffries DL, Copp GH, Maes GE, Lawson Handley L, Sayer CD, Hänfling B. Genetic evidence challenges the native status of a threatened freshwater fish ( Carassius carassius) in England. Ecol Evol 2017; 7:2871-2882. [PMID: 28479988 PMCID: PMC5415527 DOI: 10.1002/ece3.2831] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 01/28/2017] [Indexed: 01/15/2023] Open
Abstract
A fundamental consideration for the conservation of a species is the extent of its native range, that is, regions naturally colonized. However, both natural processes and human-mediated introductions can drive species distribution shifts. Ruling out the human-mediated introduction of a species into a given region is vital for its conservation, but remains a significant challenge in most cases. The crucian carp Carassius carassius (L.) is a threatened freshwater fish thought to be native to much of Europe. However, its native status in England is based only on anecdotal evidence. Here, we devise an approach that can be used to empirically test the native status of English fauna. We use this approach, along with 13 microsatellite loci, population structure analyses, and Approximate Bayesian Computation (ABC), to test hypotheses for the origins of C. carassius in England. Contrary to the current consensus, we find strong support for the human-mediated introduction of C. carassius into England during the 15th century. This result stimulates an interesting and timely debate surrounding motivations for the conservation of species. We discuss this topic, and the potential for continued conservation of C. carassius in England, despite its non-native origins.
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Affiliation(s)
- Daniel L. Jeffries
- Evolutionary Biology GroupSchool of Biological, Biomedical and Environmental Sciences, Hardy BuildingUniversity of HullHullUK
- Salmon and Freshwater TeamCefasLowestoftSuffolkUK
- Department of Ecology and EvolutionUniversity of LausanneLausanneSwitzerland
| | - Gordon H. Copp
- Salmon and Freshwater TeamCefasLowestoftSuffolkUK
- Department of Life and Environmental SciencesFaculty of Science and TechnologyBournemouth UniversityPooleUK
| | - Gregory E. Maes
- Laboratory of Biodiversity and Evolutionary GenomicsUniversity of LeuvenLeuvenBelgium
- Laboratory for Cytogenetics and Genome ResearchCentre for Human GeneticsGenomics CoreUniversity of Leuven(KU Leuven), 3000 LeuvenBelgium
| | - Lori Lawson Handley
- Evolutionary Biology GroupSchool of Biological, Biomedical and Environmental Sciences, Hardy BuildingUniversity of HullHullUK
| | - Carl D. Sayer
- Pond Restoratation Research GroupDepartment of GeographyEnvironmental Change Research CentreUniversity College LondonLondonUK
| | - Bernd Hänfling
- Evolutionary Biology GroupSchool of Biological, Biomedical and Environmental Sciences, Hardy BuildingUniversity of HullHullUK
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