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Freshwater crustaceans in Antarctic and sub-Antarctic lakes

Dataset homepage

Citation

Maturana C S, Díaz A, Merino C (2020). Freshwater crustaceans in Antarctic and sub-Antarctic lakes. Version 1.5. Museo Nacional de Historia Natural. Checklist dataset https://doi.org/10.15468/75c4sh accessed via GBIF.org on 2023-02-03.

Description

This checklist resource was created derived from our published paper, which was based on two major literature reviews in freshwater crustaceans: Pugh et al. 2002 and Dartnall 2017. These two former papers contained all the available information to date, but we also checked for suspect records, possible synonymies, and changes in scientific names. In our paper we explored the distribution of freshwater crustaceans, one of the most abundant and diverse group of organisms in Antarctic and Subantarctic lakes, across four biogeographic provinces: Continental Antarctic, Maritime Antarctic, Subantarctic Islands, and Southern Cool Temperate. Based on the literature, we evaluate biogeography, spatial autocorrelation among regions (in relation to dispersal) and climate as possible drivers for freshwater crustaceans species distribution.

Purpose

This resource was derived as part of our published paper (Diaz et al. 2019) in which we used two review papers of freshwater crustacean occurrence in the Continental Antarctic, Maritime Antarctic, sub-Antarctic islands, and Southern Cool Temperate Islands. Although the sampling records and original data are from other cited publications, we decided to publish the species checklist that we used for our analyses to become available in this Open Science Framework online repository.

Sampling Description

Study Extent

The Antarctic continent can be divided into 3 biogeographic provinces which differ considerably in climatic conditions: the continental Antarctic, which is the largest and coldest region with temperature rarely above freezing, comprising the continent landmass south of 72ºS and the Balleny Islands; the maritime Antarctic, which includes the western side of the Antarctic Peninsula north of 72°S and experiences seasonal snowmelt; and the sub-Antarctic, which comprises a series of islands and small archipelagos in the Southern Ocean proximate to the zone of Antarctic Polar Front (APF), with temperatures that on average are above freezing point year-round. Besides, we considered a fourth biogeographic province, north of the APF and influenced by low temperatures: the southern cool temperate province, which is formed by several islands from New Zealand and South America, with cool to cold temperate climate.

Sampling

We elaborated a presence/absence matrix of all freshwater crustacean species reported for Antarctic and Subantarctic lakes, based on two major literature reviews, which contained all the available information to date. We divided each biogeographic province into regions following the above two reviews: continental Antarctica comprised the En (30ºE–90ºE), Wi (90ºE–150ºE) and Sc (150ºE–150ºW) sectors; maritime Antarctica included the Antarctic Peninsula, South Shetland Islands and South Orkeny Islands; sun-Antarctic islands included South Georgia, Prince Edward, Macquarie, Heard, Crozet and Kerguelen Islands; and Southern Cool Temperate included Campebell and Auckland Islands from New Zealand and Falkland from South Atlantic ocean.

Quality Control

We excluded suspect records from the dataset, ruled out possible synonymies, and updated scientific names. We assumed that sampling effort of different taxa was similar across sites, although potential differences may have some influence on our results.

Method steps

  1. We explored the influence of biogeography on regional species composition using hierarchical cluster analysis integrated with similarity profile analysis in SIMPROF and metric multidimensional scaling, MDS based on a similarity matrix using the Jaccard index. We tested for significance of the different groups of regions generated by cluster analysis using one-way ANOSIM, with biogeographic province as factor, followed by pairwise tests. Further, we identified the main species associated with each group through SIMPER based on the presence/absence matrix of crustacean species. These analyses were done using Primer v.6 software. We explored the separate and joint influence of spatial autocorrelation among regions and climate using pRDA. The amount of variation explained by each factor and by their shared contribution was calculated by variance partitioning analysis, which is based on adjusted R2 (R2adj), and their statistical significance tested through permutation tests (999 randomizations). Species composition data was Hellinger-transformed prior to analysis to provide an unbiased estimate of variance partitioning based on RDA. Spatial autocorrelation was obtained with the eigenfunction analysis known as Principal Coordinates of Neighbor Matrix PCNM, which created 10 spatial variables (PCNM vectors) based on a matrix of Euclidean distances between regions calculated using the geographic coordinates. These vectors allow the representation of different spatial relationships among regions at different spatial scales and can be treated as independent variables. As we were not able to obtain consistent climatic data for all the study regions – there are relatively few meteorological stations in Antarctica and any gross estimate based on different data sources could be misleading –, we used decimal latitude as surrogate for climate. To eliminate any effect caused by different elevations, we used the residuals of a linear regression with latitude (as a response variable) against elevation (as a predictor) in the analysis. Elevation was obtained from www.gps-coordinates.net based on latitude and longitude. These analyses were performed on R v. 3.5.1, using the functions rda, varpart, anova.cca and pcnm from vegan package.

Taxonomic Coverages

All crustaceans were identified at the genus or species level in the original publications (Pugh et al. 2002 and Dartnall 2017) and belong to the following classes: Branchiopoda, Hexanauplia, Malacostraca and Ostracoda.
  1. Branchinecta gaini
    rank: species
  2. Alona guttata
    rank: species
  3. Alona quadrangularis
    rank: species
  4. Camptocercus aloniceps
    rank: species
  5. Camptocercus rectirostris
    rank: species
  6. Chydorus patagonicus
    rank: species
  7. Chydorus sphaericus
    rank: species
  8. Daphnia gelida
    rank: species
  9. Daphnia pulex
    rank: species
  10. Daphniopsis studeri
    rank: species
  11. Ceriodaphnia silvestrii
    rank: species
  12. Ilyocryptus brevidentatus
    rank: species
  13. Macrothrix boergeni
    rank: species
  14. Macrothrix flagellata
    rank: species
  15. Macrothrix laticornis
    rank: species
  16. Macrothrix ruehei
    rank: species
  17. Macrothrix oviformis
    rank: species
  18. Macrothrix sp.
    rank: species
  19. Ovalona weinecki
    rank: species
  20. Pleuroxus macquariensis
    rank: species
  21. Pleuroxus wittsteini
    rank: species
  22. Eubosmina coregoni
    rank: species
  23. Candona sp.
    rank: species
  24. Chlamydotheca pestai
    rank: species
  25. Chlamydotheca symmetrica
    rank: species
  26. Cypretta sp.
    rank: species
  27. Eucypris corpulenta
    rank: species
  28. Eucypris fontana
    rank: species
  29. Eucypris virens
    rank: species
  30. Ilyodromus kerguelensis
    rank: species
  31. Neocypridopsis frigogena
    rank: species
  32. Tanycypris sp.
    rank: species
  33. Candonopsis falklandica
    rank: species
  34. Newnhamia patagonica
    rank: species
  35. Boeckella poppei
    rank: species
  36. Boeckella michaelseni
    rank: species
  37. Boeckella brevicaudata
    rank: species
  38. Boeckella vallentini
    rank: species
  39. Boeckella sp.
    rank: species
  40. Gladioferens antarcticus
    rank: species
  41. Parabroteas sarsi
    rank: species
  42. Acanthocyclops michaelseni
    rank: species
  43. Acanthocyclops robustus
    rank: species
  44. Acanthocyclops vernalis
    rank: species
  45. Diacyclops mirnyi
    rank: species
  46. Diacyclops joycei
    rank: species
  47. Diacyclops kaupi
    rank: species
  48. Diacyclops walkeri
    rank: species
  49. Mixocyclops crozetensis
    rank: species
  50. Paracyclops chiltoni
    rank: species
  51. Tropocyclops prasinus prasinus
    rank: subspecies
  52. Antarctobiotus koenigi
    rank: species
  53. Epactophanes richardi
    rank: species
  54. Marionobiotus jeanneli
    rank: species
  55. Marionobiotus sp.
    rank: species
  56. Tigriopus angulatus
    rank: species
  57. Attheyella (D.) trigonura
    rank: species
  58. Antarctobiotus robustus
    rank: species
  59. Kergueleniola macra
    rank: species
  60. Pseudingolfiella possessionis
    rank: species
  61. Chiltonia mihiwaka
    rank: species
  62. Hyalella curvispina
    rank: species
  63. Hyalella neonoma
    rank: species
  64. Falklandella obtusa
    rank: species
  65. Praefalklandella cuspidatus
    rank: species
  66. Iais sp.
    rank: species

Geographic Coverages

We include the Antarctic continent which was divided into 3 biogeographic provinces: the continental Antarctic (CA), comprising the continent landmass south of 72ºS and the Balleny Islands; the maritime Antarctic (MA), which includes the western side of the Antarctic Peninsula north of 72°S; and the sub-Antarctic (SA), which comprises a series of islands and small archipelagos in the Southern Ocean proximate to the zone of Antarctic Polar Front (APF). Besides, we considered a fourth biogeographic province, north of the APF: the Southern Cool Temperate (SCT) province, which is formed by several islands from New Zealand and South America.

Bibliographic Citations

  1. Dartnall, H. J. G. The freshwater fauna of the South Polar region: A 140-year review. Papers and Proceeding of the Royal Society of Tasmania 151, 19-58 (2017) - doi:10.26749/rstpp.151.19
  2. Pugh, P. J. A., Dartnall, H. J. G. & Mcinnes, S. J. The non-marine Crustacea of Antarctica and the Islands of the Southern Ocean: biodiversity and biogeography. Journal of Natural History 36, 1047-1103 (2002) - doi:10.1080/00222930110039602
  3. Díaz A, Maturana CS, Boyero L, De Los Rios Escalante P, Tonin AM, Correa-Araneda F. Spatial distribution of freshwater crustaceans in Antarctic and Subantarctic lakes. Sci Rep. 2019;9(1):7928. doi: 10.1038/s41598-019-44290-4. PubMed PMID: 31138844. - doi:10.1038/s41598-019-44290-4

Contacts

Claudia S. Maturana
originator
position: PhD Student
Universidad de Chile - Institute of Ecology and Biodiversity
Las Palmeras 3425
Santiago
7800003
Nunoa
CL
email: claudiamaturana@uchile.cl
homepage: https://www.researchgate.net/profile/Claudia_Maturana2
userId: http://orcid.org/0000-0002-4427-8093
Angie Díaz
originator
position: Professor
Universidad de Concepcion
Barrio Universitario s/n
Concepcion
CL
email: angie.ddl@gmail.com
homepage: https://www.researchgate.net/profile/A_Diaz
userId: http://orcid.org/0000-0003-4944-588X
Catalina Merino
originator
position: Collection Manager
Museo Nacional de Historia Natural
Santiago
CL
email: catalina.merino@mnhn.gob.cl
homepage: https://www.researchgate.net/profile/Catalina_Merino-Yunnissi
Claudia S. Maturana
metadata author
position: PhD Student
Universidad de Chile - Institute of Ecology and Biodiversity
Las Palmeras 3425
Santiago
7800003
Nunoa
CL
email: claudiamaturana@uchile.cl
homepage: https://www.researchgate.net/profile/Claudia_Maturana2
userId: http://orcid.org/0000-0002-4427-8093
Angie Díaz
metadata author
position: Professor
Universidad de Concepcion
Barrio Universitario s/n
Concepcion
CL
email: angie.ddl@gmail.com
homepage: https://www.researchgate.net/profile/A_Diaz
userId: http://orcid.org/0000-0003-4944-588X
Catalina Merino
metadata author
position: Collection Manager
Museo Nacional de Historia Natural
Santiago
CL
email: catalina.merino@mnhn.gob.cl
homepage: https://www.researchgate.net/profile/Catalina_Merino-Yunnissi
Catalina Merino
editor
position: Collection Manager
Museo Nacional de Historia Natural
Santiago
CL
email: catalina.merino@mnhn.cl
homepage: https://www.researchgate.net/profile/Catalina_Merino-Yunnissi
Claudia S. Maturana
author
position: PhD Student
Universidad de Chile - Institute of Ecology and Biodiversity
Las Palmeras 3425
Santiago
7800003
Nunoa
CL
email: claudiamaturana@uchile.cl
homepage: https://www.researchgate.net/profile/Claudia_Maturana2
userId: http://orcid.org/0000-0002-4427-8093
Angie Díaz
author
position: Professor
Universidad de Concepcion
Concepcion
CL
email: angie.ddl@gmail.com
homepage: https://www.researchgate.net/profile/A_diaz
userId: http://orcid.org/0000-0003-4944-588X
Claudia S. Maturana
administrative point of contact
position: PhD Student
Universidad de Chile - Institute of Ecology and Biodiversity
Las Palmeras 3425
Santiago
7800003
Nunoa
CL
email: claudiamaturana@uchile.cl
homepage: https://www.researchgate.net/profile/Claudia_Maturana2
userId: http://orcid.org/0000-0002-4427-8093
Angie Díaz
administrative point of contact
position: Professor
Universidad de Concepcion
Barrio Universitario s/n
Concepcion
CL
email: angie.ddl@gmail.com
homepage: https://www.researchgate.net/profile/A_Diaz
userId: http://orcid.org/0000-0003-4944-588X
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