Phylogeography of high Andean killifishes<i>Orestias</i>(Teleostei: Cyprinodontidae) in Caquena and Lauca sub-basins of the Altiplano (Chile): mitochondrial and nuclear analysis of an endangered fish

Cárcamo-Tejer, Violeta; Vila, Irma; Llanquín-Rosas, Francisco; Sáez-Arteaga, Alberto; Guerrero-Jiménez, Claudia Jimena

doi:10.7717/peerj.11917

Cited by 4 publications

(3 citation statements)

References 81 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The most recent rapid diversification shifts were in two clades of small-bodied toothcarps (Cyprinodontiformes): Orestias with about 45 species restricted to high-elevation (>1,000 m.a.s.l.) lakes and rivers in the Andes ( 50 , 51 ), and Melanorivulus with about 60 species, principally distributed in rivers draining the Brazilian Shield, in the La Plata and Southeastern coastal Atlantic basins ( 52 ) ( SI Appendix , Fig. S2 ).…”

Section: Resultsmentioning

confidence: 99%

Landscape dynamics and diversification of the megadiverse South American freshwater fish fauna

Cassemiro

Albert

Antonelli

et al. 2023

Proc. Natl. Acad. Sci. U.S.A.

View full text Add to dashboard Cite

Landscape dynamics are widely thought to govern the tempo and mode of continental radiations, yet the effects of river network rearrangements on dispersal and lineage diversification remain poorly understood. We integrated an unprecedented occurrence dataset of 4,967 species with a newly compiled, time-calibrated phylogeny of South American freshwater fishes—the most species-rich continental vertebrate fauna on Earth—to track the evolutionary processes associated with hydrogeographic events over 100 Ma. Net lineage diversification was heterogeneous through time, across space, and among clades. Five abrupt shifts in net diversification rates occurred during the Paleogene and Miocene (between 30 and 7 Ma) in association with major landscape evolution events. Net diversification accelerated from the Miocene to the Recent (c. 20 to 0 Ma), with Western Amazonia having the highest rates of in situ diversification, which led to it being an important source of species dispersing to other regions. All regional biotic interchanges were associated with documented hydrogeographic events and the formation of biogeographic corridors, including the Early Miocene (c. 23 to 16 Ma) uplift of the Serra do Mar and Serra da Mantiqueira and the Late Miocene (c. 10 Ma) uplift of the Northern Andes and associated formation of the modern transcontinental Amazon River. The combination of high diversification rates and extensive biotic interchange associated with Western Amazonia yielded its extraordinary contemporary richness and phylogenetic endemism. Our results support the hypothesis that landscape dynamics, which shaped the history of drainage basin connections, strongly affected the assembly and diversification of basin-wide fish faunas.

show abstract

Section: Resultsmentioning

confidence: 99%

Landscape dynamics and diversification of the megadiverse South American freshwater fish fauna

Cassemiro

Albert

Antonelli

et al. 2023

Proc. Natl. Acad. Sci. U.S.A.

View full text Add to dashboard Cite

show abstract

“…It is one of the western-most fluvial-lacustrine basins of Miocene-Pliocene origin in Chile (Feitl et al, 2019, Rundel & Palma, 2000, and is filled by clastic and volcaniclastic sediments of lacustrine and alluvial origin (Kött et al, 1995). The aquatic ecosystems of this basin have been the subject of various studies anent ecology, morphology, morphometry, karyotypes, phylogenetics and phylogeography, finding high endemism of the species that inhabit them (Cárcamo-Tejer et al, 2021, Collado et al, 2011, Collado et al, 2014, Guerrero et al, 2015, Guerrero et al, 2017, Scott, 2010, Vila et al, 2010, Vila et al, 2013.…”

Section: Study Areamentioning

confidence: 99%

“…In the southern Andean Altiplano, particularly in the Lauca River Basin, landscape modulation has given rise to the availability of a singular habitat that has supported different substrates and biodiversity through several evolutionary processes (Cárcamo-Tejer et al, 2021, Guerrero et al, 2015, Guerrero et al, 2017, Oyadenel, 2013. Vegetation is herbaceous and shrubby with compact growth, which generates patches of azonal vegetation with species such as Oxychloe andina and Distichia muscoide, and sedges like Zameoscirpus atacamensis and Philloscirpus acaulis.…”

Section: Introductionmentioning

confidence: 99%

Benthic macroinvertebrates community structure and physicalchemical characteristics at Lauca River Basin high altitude wetlands, Altiplano, Chile

Llanquín-Rosas¹,

Cárcamo-Tejer²,

Pinto³

et al. 2023

Limnetica

Self Cite

View full text Add to dashboard Cite

High Andean freshwater ecosystems are highly threatened by scarce water availability, species invasion, and global climate change, so generating knowledge about their ecological characteristics is extremely important for conservation decision-making. In this work, the seasonal variations and relationships between physico-chemical variables and the structure and composition of the macroinvertebrate community were analyzed considering “season”, “type of ecosystem” and “site” factors. Five sites of representative ecosystems at Lauca River Basin of the Chilean Altiplano were sampled, two of them lentic and three lotic. Two field-sampling periods within a year according to the pre- and post-rain seasons characteristic of the Altiplano climate were considered. Thirty-five taxa were identified, and it was observed that the taxa Orthocladiinae, Austrelmis sp., Hyallela cf kochi, Podonominae and Helicopsychidae were indicator taxa that contributed the most to differences among sites or ecosystems (≥ 10 %.). No significant differences were found in the alpha diversity indicators used, except for some abundance values and Pielou’s Evenness index (J´), which varied significantly between lotic and lentic systems. The results of the ordination analysis showed a significant differentiation considering physical and chemical variables and macroinvertebrates assemblages that responded to “sites” (ANOSIM R Global = 0.64, p = 0.001) and “type of ecosystem” factors (ANOSIM R Global = 0.31, p = 0.02). The “season” factor was not statistically significant to explain the variability of biological data (ANOSIM R Global = -0.003, p = 0.47) and was slight and marginally significant with the physical and chemical data (ANOSIM R Global = 0.1, p = 0.04). In addition, the linear redundancy analysis (RDA) showed that physico-chemical variables related to hardness, temperature, phosphorous, and nitrogen explained most of the variance in the biological data (the first two canonical axes RDA1 and RDA2 explained 45.23 % of the total variation, p = 0.004). These results support the relevance of local conditions for high altitude wetlands and how those environmental characteristics can be reflected in the macroinvertebrate assemblages that inhabit them.

show abstract

The vicariant role of Caribbean formation in driving speciation in American loliginid squids: the case of Doryteuthis pealeii (Lesueur 1821)

Sales,

Anderson,

Paiva

et al. 2024

Mar Biol

View full text Add to dashboard Cite

Phylogeography of high Andean killifishesOrestias(Teleostei: Cyprinodontidae) in Caquena and Lauca sub-basins of the Altiplano (Chile): mitochondrial and nuclear analysis of an endangered fish

Cited by 4 publications

References 81 publications

Landscape dynamics and diversification of the megadiverse South American freshwater fish fauna

Landscape dynamics and diversification of the megadiverse South American freshwater fish fauna

Benthic macroinvertebrates community structure and physicalchemical characteristics at Lauca River Basin high altitude wetlands, Altiplano, Chile

The vicariant role of Caribbean formation in driving speciation in American loliginid squids: the case of Doryteuthis pealeii (Lesueur 1821)

Contact Info

Product

Resources

About