aerobic dive limit

aerobic dive limit

The diving duration—in air-breathing animals (e.g., humans, penguins)—beyond which post-dive blood lactate levels increase above resting values; this increase is secondary to muscle-O2 store depletion.
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Belugas in Barrow Strait, where maximum depths range between 150 and 350 m, dove to the bottom and probably did not exceed their aerobic dive limits. Their ascent and descent rates ranged to as high as 2.55 ms-1 (Martin and Smith, 1992).