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Hexarthra

 
National Institutes of Health

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2008
2008
Comparative morphology of the somatic musculature in species of Hexarthra and Polyarthra (Rotifera, Monogononta): Its function in appendage movement and escape behavior
Species of Hexarthra and Polyarthra are freshwater rotifers with well-known escape behaviors that result from interactions with… Expand
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2007
2007
Sexual reproduction and diapause of Hexarthra sp. (Rotifera) in short‐lived ponds in the Chihuahuan Desert
SUMMARY 1. In the life cycle of monogonont rotifers it is generally assumed that diapausing eggs invariably hatch into amictic… Expand
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2005
2005
Susceptibility of Ephemeral Pool Hexarthra to Predation by the Fairy Shrimp Branchinecta mackini: can Predation Drive Local Extinction?
Isolated rock pools in the US desert southwest often develop dense populations of a lithophilic species of the rotifer Hexarthra… Expand
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2004
2004
Effect of salinity on competition between the rotifers Brachionus rotundiformis Tschugunoff and Hexarthra jenkinae (De Beauchamp) (Rotifera)
We studied the effect of different concentrations (0, 3, 6, 9 and 12 g l−1) of sodium chloride at one food level of Chlorella (1… Expand
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2004
2004
The development of Hexarthra spp. in a shallow alkaline lake
In Neusiedler See, a shallow alkaline lake with fluctuating water level and salinity, four species of Hexarthra occur: H. mira, H… Expand
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2004
2004
Summer population of Hexarthra bulgarica in a high elevation lake of south Andes
A Hexarthra bulgarica population was studied over one summer in a high-elevation lake of the southern Andes. A brief description… Expand
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2004
2004
Effects of fluctuating temperatures on the population dynamics of Hexarthra bulgarica (Wiszniewski) from high mountain lakes in Sierra Nevada (Spain)
We examine the development of Hexarthra bulgarica (Wisniewski) populations in relation to thermal stability in natural… Expand
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2004
2004
A new rotifer from a coastal lake in Southeastern Brazil: Hexarthra longicornicula n. sp.
A new rotifer is described from among samples taken from coastal lakes in southeastern Brazil. Comparisons to related rotifers… Expand
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2004
2004
Does the evasive behavior of Hexarthra influence its competition with cladocerans?
We tested the hypothesis that evasive movements by Hexarthra mira reduce adverse effects of interference competition with… Expand
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2004
2004
Diel variation in the egg ratio of Hexarthra bulgarica in the high mountain lake La Caldera (Spain)
Hexarthra bulgarica is the dominant rotifer species in the lake La Caldera (south of Spain) both in number of individuals and in… Expand
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