نتایج جستجو برای: procambarus clarkii
تعداد نتایج: 821 فیلتر نتایج به سال:
Grazing by the crayfish Procambarus clarkii (Girard) on the abundance of submersed sago pondweed, Potamogeton pectinutus (L.), was quantified during 1984 through 19K6 at Coyote Hills Marsh (Alameda County, California. USA). Annual marsh surveys indicated that P. pectinatus abundance dechned (from 70% to 0% of the marsh surface), whereas P. clarkii abundance increased (from 1.6 to almost 3.0 cra...
We studied the artificial incubation method of red swamp crayfish Procambarus clarkii embryos using cell culture plates. In first experiment, cleavage stage or egg-nauplius were individually cultured at 20°C in well plates with different water volumes per [12 (4 ml), 24 (2 48 (1 ml) and 96 (0.25 ml)]. second 12-well 15, 20 25°C. Almost all died without hatching. Egg-nauplius survived to hatch. ...
Light perception is an intriguing subject, and it has been demonstrated that some animals can perceive wavelengths beyond human vision. However, it is still controversial whether animals can see mid-infrared radiation. A combination of two free-electron laser (FEL) facilities, LEBRA-FEL (Nihon University) and KU-FEL (Kyoto University), can provide light sources with high peak power and spatiall...
The synapses between the lateral giant axon and the giant motor axon found in the abdominal ganglia of the ventral nerve cord of the crayfish Procambarus clarkii are electronic. The junctional membrane rectifies, favoring impulse transmission from lateral giant fiber to giant motor fiber. This rectifying electronic junction consists of closely apposed membranes indistinguishable from ordinary a...
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