Observations on Phallocryptus Spinosa (Branchiopoda, Anostraca) Populations from the high Plateaus of Northeastern Algeria

Amarouayache, Mounia

doi:10.7770/safer-v2n4-art844

Cited by 4 publications

(1 citation statement)

References 25 publications

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“…Resting eggs of the two species were retained on the 200 µm mesh sieve for P. spinosus and 100 µm for B. media. These egg diameters of the two species are defined according to Alonso (1990) for B. media and Amarouayache et al (2014) for P. spinosus. Very fine mud particles pass through the 100 µm sieve.…”

Section: Sampling and Estimation Of Resting Egg Banksmentioning

confidence: 99%

Resting eggs bank and their hatching pattern in two co-occuring anostracans Phallocryptus spinosus (Milne-Edwards, 1840) and Branchinectella media (Schmankewitsch, 1873) (Crustacea) from saline lakes of the Aurès region (Northeastern Algeria)

Rais,

Amarouayache,

Rochon

2023

Preprint

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Phallocryptus spinosus (Milne-Edwards, 1840) and Branchinectella media (Schmankewitsch, 1873) are two anostracan species co-occurring in several saline lakes of the eastern steppic zone of Algeria. Both species produce resting eggs to persist in their temporary and unstable habitats, constituting a resting eggs bank. B. media has a restricted distribution worldwide and it is known to prefer cold temperatures (16 °C max). Resting egg banks and hatching patterns of both species have been assessed in seven saline lakes. Results showed that densities of P. spinosus resting eggs were always higher than those of B. media, whatever the lake (F = 4.66, P = 0.0005). They range between 93000 ± 75 and 1495000 ± 366.5 resting eggs.m-2 for P. spinosus, and between 670 ± 30 and 365000 ± 268 resting eggs.m-2 for B. media. Hatching percentages of eggs incubated at temperatures of 16 °C and 22 °C, and salinities of 0 and 5 psu, showed that 16 °C and 5 psu was the most suitable combination for B. media, where 38.88 ± 1.93% of eggs hatched under these conditions. For P. spinosus, 81.11 ± 1.92% of eggs hatched at 22 °C and 5 psu. Resting eggs diameters measurements of both species as well as scanning electron micrographs of B. media are provided.

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Section: Sampling and Estimation Of Resting Egg Banksmentioning

confidence: 99%

Resting eggs bank and their hatching pattern in two co-occuring anostracans Phallocryptus spinosus (Milne-Edwards, 1840) and Branchinectella media (Schmankewitsch, 1873) (Crustacea) from saline lakes of the Aurès region (Northeastern Algeria)

Rais,

Amarouayache,

Rochon

2023

Preprint

Self Cite

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Resting eggs bank and their hatching pattern in two co-occuring anostracans Phallocryptus spinosus and Branchinectella media (Crustacea) from saline lakes of the Aurès region (Northeastern Algeria)

Rais,

Amarouayache,

Rochon

2024

Biologia

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On the occurrence of Branchinecta orientalis Sars, 1901 (Crustacea, Anostraca) in Algeria, with some ecological notes

Beladjal

Amarouayache

2023

Zootaxa

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The first substantiated record of Branchinecta orientalis in Algeria is here reported. This species was found in a small freshwater pool (Jemot) in Oum El Bouaghi province, located in the High Plateaus of the Aurès region in North-East of Algeria. Details on biogeography, ecology and morphology of this Algerian population of the species are provided. In its Algerian occurrence locality, B. orientalis co-occurs mostly with Branchinecta ferox during autumn and spring but also with other large Branchiopoda with a maximum of 7 species occurring synchronically and 9 species in total.

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Observations on Phallocryptus Spinosa (Branchiopoda, Anostraca) Populations from the high Plateaus of Northeastern Algeria

Abstract: Phallocryptus spinosa (Thamnocephalidae) is a small primitive crustacean which lives in

Cited by 4 publications

References 25 publications

Resting eggs bank and their hatching pattern in two co-occuring anostracans Phallocryptus spinosus (Milne-Edwards, 1840) and Branchinectella media (Schmankewitsch, 1873) (Crustacea) from saline lakes of the Aurès region (Northeastern Algeria)

Resting eggs bank and their hatching pattern in two co-occuring anostracans Phallocryptus spinosus (Milne-Edwards, 1840) and Branchinectella media (Schmankewitsch, 1873) (Crustacea) from saline lakes of the Aurès region (Northeastern Algeria)

Resting eggs bank and their hatching pattern in two co-occuring anostracans Phallocryptus spinosus and Branchinectella media (Crustacea) from saline lakes of the Aurès region (Northeastern Algeria)

On the occurrence of Branchinecta orientalis Sars, 1901 (Crustacea, Anostraca) in Algeria, with some ecological notes

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