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Supplemental Information

Proportion of juvenile brine shrimps in each sample examined at pond CX (A) and pond 4 (B)

Proportions are shown for both Artemia species when present.

DOI: 10.7287/peerj.preprints.975v1/supp-1

Brine shrimp Artemia individuals of different colouration

Examples highlighted with arrows from left to right are: light-red, dark-red, and not-red.

DOI: 10.7287/peerj.preprints.975v1/supp-2

General aspect of adult brine shrimp females with different reproductive status. infected by larval cestodes (indicated by arrows)

(A) ovigerous, (B) castrated. Females are infected by larval cestodes (indicated by arrows).

DOI: 10.7287/peerj.preprints.975v1/supp-3

Temporal dynamics of cestode infection in adult A. franciscana from pond CX and proportion of this species in the community, through an annual cycle (January 2009-January 2010)

Bars show 95% confidence intervals.

DOI: 10.7287/peerj.preprints.975v1/supp-4

Comparative data on total cestode prevalence in both sexual Artemia spp

Data for the native A. salina (AS) and the invader A. franciscana (AF) when coexisting (mixed-populations, present study) and from monospecific populations or those with small numbers of diploid A. parthenogenetica (PD). When many data are available (e.g. for several months, years), the mean value of total prevalence and the range (in parentheses) are given.

DOI: 10.7287/peerj.preprints.975v1/supp-5

Additional Information

Competing Interests

We declare that there are no competing interests

Author Contributions

Stella Redón conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables.

Francisco Amat conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Marta I. Sánchez reviewed drafts of the paper.

Andy J. Green analyzed the data, wrote the paper, reviewed drafts of the paper.

Field Study Permissions

The following information was supplied relating to field study approvals (i.e., approving body and any reference numbers):

This research was conducted under permit from the Ebro Delta Natural Park office provided to FA.


This work was funded by the National Plan (Project CGL-2005-02306/BOS) sponsored by the Ministry of Science and Innovation of Spain (MICINN). S. Redón was supported by a Ph.D grant (FPI) from the MICINN. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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