Adaptation: Physiological: Oxygen consumption of the epigean Gammarus fossarum and Asellus aquaticus, and of the hypogean Niphargus virei, N. rhenorhodanensis, and Stenasellus virei during long-term starvation and subsequent feeding at 11°C and in darkness. Values are means ± standard deviation for n=8–10 animals (modified from Hervant et al., 1997).

doi:10.4324/9780203483855-11

Chapter

Adaptation: Physiological: Oxygen consumption of the epigean Gammarus fossarum and Asellus aquaticus, and of the hypogean Niphargus virei, N. rhenorhodanensis, and Stenasellus virei during long-term starvation and subsequent feeding at 11°C and in darkness. Values are means ± standard deviation for n=8–10 animals (modified from Hervant et al., 1997).

Chapter

ABSTRACT

During long-term starvation, the respiratory-but also locomotory and ventilationrates are drastically reduced in hypogean crustacean species, whereas epigean species show a smaller decrease in these rates and respond by a marked and transitory hyperactivity (Hervant et al., 1997) (see Figure). During such a long-term starvation, the troglobite vertebrate Proteus anguinus shows a slight increase in oxygen consumption, after which its respiratory rate decreases. By contrast, the epigean Euproctes asper shows an immediate and high increase in its rate of respiration, which decreases later to a value similar to that for well-fed individuals (Hervant et al., 2001).