Ecology

Habitat

Depth range based on 17417 specimens in 9 taxa.
Water temperature and chemistry ranges based on 13 samples.

Environmental ranges
  Depth range (m): 0 - 0
  Temperature range (°C): 7.367 - 10.696
  Nitrate (umol/L): 2.010 - 7.309
  Salinity (PPS): 31.835 - 34.968
  Oxygen (ml/l): 6.271 - 7.040
  Phosphate (umol/l): 0.355 - 0.635
  Silicate (umol/l): 1.624 - 3.454

Graphical representation

Temperature range (°C): 7.367 - 10.696

Nitrate (umol/L): 2.010 - 7.309

Salinity (PPS): 31.835 - 34.968

Oxygen (ml/l): 6.271 - 7.040

Phosphate (umol/l): 0.355 - 0.635

Silicate (umol/l): 1.624 - 3.454
 
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Associations

Animal / parasite / endoparasite
fluke of Echinostoma revolutum endoparasitises small intestine of Aythya

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 158
Specimens with Sequences: 95
Specimens with Barcodes: 91
Species: 10
Species With Barcodes: 10
Public Records: 81
Public Species: 9
Public BINs: 4
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Aythya

Aythya is a genus of diving ducks. It has twelve described species. The name Aythya comes from the Ancient Greek word aithuia, which may have referred to a sea-dwelling duck or an auklet.[1]

Aythya shihuibas was described from the Late Miocene of China. An undescribed prehistoric species is known only from Early Pleistocene fossil remains found at Dursunlu, Turkey;[2] it might however be referrable to a paleosubspecies of an extant species considering its age (see also Greater Scaup).

The Miocene[verification needed] "Aythya" arvernensis is now placed in Mionetta, while "Aythya" chauvirae seems to contain the remains of two species, at least one of which does not seem to be a diving duck.[3]

Aythya species[edit]

References[edit]

  1. ^ Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 64. ISBN 978-1-4081-2501-4. 
  2. ^ Louchart, Antoine; Mourer-Chauviré, Cécile; Guleç, Erksin; Howell, Francis Clark & White, Tim D. (1998): L'avifaune de Dursunlu, Turquie, Pléistocène inférieur: climat, environnement et biogéographie. C. R. Acad. Sci. Paris IIA 327(5): 341-346. [French with English abridged version] doi:10.1016/S1251-8050(98)80053-0 (HTML abstract)
  3. ^ Worthy, Trevor H.; Tennyson, A.J.D.; Jones, C.; McNamara, J.A. & Douglas, B.J. (2007): Miocene waterfowl and other birds from central Otago, New Zealand. J. Syst. Palaeontol. 5(1): 1-39. doi:10.1017/S1477201906001957 (HTML abstract)
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