Multispecies coexistence of branchiopods (Anostraca, Notostraca &amp; Spinicaudata) in temporary ponds of Chaouia plain (western Morocco): sympatry or syntopy between usually allopatric species

Thi�ry, Alain

doi:10.1007/bf00025994

Cited by 65 publications

(42 citation statements)

References 54 publications

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“…The floodplain of the Medjerda river is in fact a hot-spot of large branchiopod diversity in the Mediterranean bioregion: an area of a few square kilometres between the northern shore of the Sebkha El Ariana and the mouth of the Medjerda river itself hosts 9 large branchiopod species, with large branchiopod multiple coexistence of up to 7 species at a single site. Such a high diversity is comparable to that of the Chaouia Plain in Morocco (Thiéry 1991, van den Broeck et al 2015.…”

Section: Large Branchiopod Distribution Within the Countrysupporting

confidence: 54%

“…The importance of the isohyets of 300 and 500 mm y -1 in determining different crustacean assemblages in the Maghreb has been widely accepted and implemented, e.g. by Dumont et al (1979), Thiéry (1991), Turki and El Abed (1999), Samraoui and Dumont (2002), and Stoch et al (2016).…”

Section: The Study Areamentioning

confidence: 99%

“…the environs of Mécheria, Gauthier 1928a), and 600 km south-east of the Balearic occurrence sites of the species (Pretus 1990). It is known to occur in Spain (Alonso 1996), western Maghreb (Gauthier 1928a, Thiéry 1991, van den Broeck et al 2015, in the Middle East, Turkey, Ukraine, and from the Balkans to the Pannonian lowland (cf. Daday 1910, Petkvoski 1991, Mura et al 2005, and references therein).…”

Section: Branchinecta Ferox (Milne-edwards 1840)mentioning

confidence: 99%

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Updated checklist and distribution of large branchiopods (Branchiopoda: Anostraca, Notostraca, Spinicaudata) in Tunisia

Marrone¹,

Korn

Stoch

et al. 2016

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Abstract:Temporary ponds are the most peculiar and representative water bodies in the arid and semiarid regions of the world, where they often represent diversity hotspots that greatly contribute to the regional biodiversity. Being indissolubly linked to these ecosystems, the so-called "large branchiopods" are unanimously considered flagship taxa of these habitats. Nonetheless, updated and detailed information on large branchiopod faunas is still missing in many countries or regions. Based on an extensive bibliographical review and field samplings, we provide an updated and commented checklist of large branchiopods in Tunisia, one of the less investigated countries of the Maghreb as far as inland water crustaceans are concerned. We carried out a field survey from 2004 to 2012, thereby collecting 262 crustacean samples from a total of 177 temporary water bodies scattered throughout the country. Large branchiopod crustaceans were observed in 61% of the sampled sites, leading to the identification of fifteen species. Among these, the halophilic anostracan Branchinectella media is here reported for the first time for the country; conversely, four eScholarship provides open access, scholarly publishing services to the University of California and delivers a dynamic research platform to scholars worldwide. of the species reported in literature were not found during the present survey. Based on literature and novel data, the known large branchiopod fauna of Tunisia now includes 19 species, showing a noteworthy species richness when the limited extension of the country is considered. For each species, the regional distribution is described and an annotated list of references is provided. Under a conservation perspective, the particular importance of the temporary ponds occurring in the Medjerda river alluvial plain is further stressed. In this location, several large branchiopod taxa with different ecological requirements converge and form unique and species-rich assemblages that should be preserved. Copyright Information:Copyright 2016 by the article author(s Keywords: Branchinectella media, fauna of Maghreb, freshwater crustaceans, Mediterranean temporary ponds, regional biodiversity. SUMMARYTemporary ponds are the most peculiar and representative water bodies in the arid and semi-arid regions of the world, where they often represent diversity hotspots that greatly contribute to the regional biodiversity. Being indissolubly linked to these ecosystems, the so-called "large branchiopods" are unanimously considered flagship taxa of these habitats. Nonetheless, updated and detailed information on large branchiopod faunas is still missing in many countries or regions. Based on an extensive bibliographical review and field samplings, we provide an updated and commented checklist of large branchiopods in Tunisia, one of the less investigated countries of the Maghreb as far as inland water crustaceans are concerned. We carried out a field survey from 2004 to 2012, thereby collecting 262 crustacean samples from a total of 177 ...

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Section: Large Branchiopod Distribution Within the Countrysupporting

confidence: 54%

Section: The Study Areamentioning

confidence: 99%

Section: Branchinecta Ferox (Milne-edwards 1840)mentioning

confidence: 99%

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Updated checklist and distribution of large branchiopods (Branchiopoda: Anostraca, Notostraca, Spinicaudata) in Tunisia

Marrone¹,

Korn

Stoch

et al. 2016

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“…In the second case this could support the temporary habitat selection hypothesis, also suggested by , who found that taxa are able to ''choose their moment of glory'' by adjusting hatching fractions depending on the quality of the habitat. During crustacean succession in a temporary Carolina bay pond, phytophylous chydorids and Simocephalus were found to replace planktonic Daphnia later in the season (Taylor and Mahoney 1990) and also in permanent systems several studies reported a shift from large-bodied cladocerans, such as Daphnia, early in the growing season to small-bodied cladocerans later (Sommer et al 1986). A similar pattern occurred in our 5.0-g L 21 mesocosms, where chydorids peaked at the end of the inundation with P. aduncus finally outnumbering the very abundant D. magna.…”

Section: Discussionmentioning

confidence: 99%

Effect of salinity on seasonal community patterns of Mediterranean temporary wetland crustaceans: A mesocosm study

Waterkeyn

Vanschoenwinkel

Grillas

et al. 2010

Limnology & Oceanography

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In a large-scale outdoor mesocosm experiment we studied the effects of salinity on successional patterns, diversity, and relative abundances of Camargue (southern France) temporary pool crustaceans. Eighty mesocosms were inoculated with a mixed resting egg bank and exposed to four different salinity treatments (0.5, 1.0, 2.5, and 5.0 g L 21 ) for a period of 7 months. Salinity significantly altered crustacean communities hatching from the resting egg bank through a number of direct and indirect effects. Salinity had a significant negative effect on the establishment of large branchiopods and copepods. Both richness and density of cladocerans, especially chydorids, were positively related to salinity, possibly due to the absence of biotic interactions with large branchiopods at the highest salinity values. We hypothesize that the salinity-mediated presence of the large branchiopod keystone group can shift the whole wetland regime from a zooplankton-rich clear-water state to a zooplankton-poor turbid state. Crustacean succession was significantly altered by salinity, by slowing down development rates, population growth or maturation rates of some species. This suggests that in addition to salinity changes, any alteration of wetland hydroperiod (e.g., through aridification or inappropriate water management) could have a synergistic effect on community structure and diversity of invertebrate communities, including some keystone species.

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“…Description and ecological data on these temporary ponds can be found in Boutin et al . (1982) and Thiery (1987Thiery ( , 1991 .…”

Section: Description Of Sites Studiedmentioning

confidence: 99%

Epizootic algae and Protozoa on fresh water branchiopods (Anostraca, Notostraca and Spinicaudata) in Moroccan temporary ponds

Thiéry

Cazaubon

1992

Hydrobiologia

Self Cite

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Epizootic algae and Protozoa occur on the exoskeleton of fresh water branchiopods in temporary ponds in Morocco . Algal colonization seemed linked with turbid waters and access by the epibionts to the nutritive and oxygenated flows created by the rhythmical beat of the thoracic legs of the branchiopods . It also seemed linked to the mode of life (planktonic or benthic) of the host, and to their exposition to light . Appendages of anostracans, which swim ventral side up, bear a rich community of Chlorophytes, while in conchostracans, where body and appendages are protected by a bivalve carapace, and which swim ventral side down, epibionts colonize the valves, particularly near the hinge and umbo . The lack of algae on notostracans may result from their habit of living in the deeper part of ponds . Protozoans fixed on notostracan shields and on conchostracan valves or appendages, seem to benefit principally from the flow of nutrient-and oxygen-rich water created by the host .

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Multispecies coexistence of branchiopods (Anostraca, Notostraca & Spinicaudata) in temporary ponds of Chaouia plain (western Morocco): sympatry or syntopy between usually allopatric species

Cited by 65 publications

References 54 publications

Updated checklist and distribution of large branchiopods (Branchiopoda: Anostraca, Notostraca, Spinicaudata) in Tunisia

Updated checklist and distribution of large branchiopods (Branchiopoda: Anostraca, Notostraca, Spinicaudata) in Tunisia

Effect of salinity on seasonal community patterns of Mediterranean temporary wetland crustaceans: A mesocosm study

Epizootic algae and Protozoa on fresh water branchiopods (Anostraca, Notostraca and Spinicaudata) in Moroccan temporary ponds

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