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16 results for “Artemia franciscana”
Fig 3 in Survival, growth, and biomass of brine shrimp (Artemia franciscana) fed with spirulina powder and soybean flour
Fig 3: The biomass of Artemia fed with different feeds at 21 days of rearing
Fig 2 in Survival, growth, and biomass of brine shrimp (Artemia franciscana) fed with spirulina powder and soybean flour
Fig 2: The body length of Artemia fed with different feeds at 21 days of rearing
Fig 1 in Survival, growth, and biomass of brine shrimp (Artemia franciscana) fed with spirulina powder and soybean flour
Fig 1: The survival rate of Artemia fed with different feeds at 21 days of rearing
Data from: Bird migratory flyways influence the phylogeography of the invasive brine shrimp Artemia franciscana in its native American range
Since Darwin's time, waterbirds have been considered an important vector for the dispersal of continental aquatic invertebrates. Bird movements have facilitated the worldwide invasion of the American brine shrimp Artemia franciscana, transporting cysts (diapausing eggs), and favouring rapid range expansions from introduction sites. Here we address the impact of bird migratory flyways on the population genetic structure and phylogeography of A. franciscana in its native range in the Americas. We examined the sequence variation for two mitochondrial gene fragments (COI and 16S for a subset of the data) in a large set of population samples representing the entire native range of A. franciscana. Furthermore, we performed Mantel tests and redundancy analyses (RDA) to test the role of flyways, geography and human introductions on the phylogeography and population genetic structure at a continental scale. A. franciscana mitochondrial DNA was very diverse, with two main clades, largely corresponding to Pacific and Atlantic populations, mirroring American bird flyways. There was a high degree of regional endemism, with populations subdivided into at least 12 divergent, geographically restricted and largely allopatric mitochondrial lineages, and high levels of population structure ( Φ ST of 0.92), indicating low ongoing gene flow. We found evidence of human-mediated introductions in nine out of 39 populations analysed. Once these populations were removed, Mantel tests revealed a strong association between genetic variation and geographic distance (i.e., isolation-by-distance pattern). RDA showed that shared bird flyways explained around 20% of the variance in genetic distance between populations and this was highly significant, once geographic distance was controlled for. The variance explained increased to 30% when the factor human introduction was included in the model. Our findings suggest that bird-mediated transport of brine shrimp propagules does not result in substantial ongoing gene flow; instead, it had a significant historical role on the current species phylogeography, facilitating the colonisation of new aquatic environments as they become available along their main migratory flyways.
FIGURE 9 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 9. Variation in spine-like projections at the base of the penes. A. franciscana (Iquique) (A) and A. persimilis (Cisnes) (B). The "franciscana" (C) and "persimilis" (D) types of individuals found in Pichilemu.
FIGURE 5 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 5. Variation in spine-like projections in A. persimilis (Hidalgo). Single tooth-like spines (A–B); single spines ending in a trifid apex (C); multiple spines (D–E).
FIGURE 4 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 4. Cuticolar cones in A. persimilis. (Hidalgo) (A) and Cisnes (Chile) (B); A. franciscana from Iquique (C), Los Vilos (D), El Convento (E) Pichilemu (Cahuil) (F).
FIGURE 2 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 2. Morphological traits in A. franciscana (San Francisco Bay). A) spine-like projections on the basal parts of the penes; B) shape and ornamentation of the frontal knob; C) ovisac shape; D) overview of penes.
FIGURE 6 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 6. Ovisac morphology from different locations in Chile. A. franciscana from (Rinconada) (A), El Convento (B), Pichilemu (C); A. persimilis from Amarga (D) and Cisnes lagoons (E).
FIGURE 3 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 3. Morphological traits of the A. persimilis (Hidalgo). A) spine-like projections on the basal parts of the penes; B) shape and ornamentation of the frontal knob; C) ovisac shape; D) overview of penes with spines at the base.
Data from: Male-female coevolution in the wild: evidence from a time series in Artemia franciscana
Open the record for dataset details and reuse information.
Data from: Bird migratory flyways influence the phylogeography of the invasive brine shrimp Artemia franciscana in its native American range
Open the record for dataset details and reuse information.
FIGURE 8 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 8. Frontal knob variants in A. franciscana from El Convento (A, B) and Pichilemu (C–E), central Chile.
FIGURE 7 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 7. Interpopulation variation in frontal knob morphology. A. franciscana from Chaxa (A), Los Vilos (B) and Rinconada (C); A. persimilis from Torres del Paine (D) and Cisnes lagoone (E).
Sex-specific transcriptome of Artemia franciscana in embryogenesis
GEO Series GSE289905. Artemia franciscana. 14 samples. Type: Expression profiling by high throughput sequencing.
FIGURE 1 in The highly divergent New World Artemia species (Branchiopoda, Anostraca), A. franciscana and A. persimilis, show subtle differences in morphological traits involved in mating
FIGURE 1. Artemia sites in Chile.
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