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There are areas on Earth where it is pressing that we obtain an understanding of the thermal limits and acclimation capacities of the species living there. These are the zones where environmental temperatures are currently changing more rapidly and are predicted to continue to do so in the future. The foremost amongst these is possibly the Arctic, where in some areas air temperatures have risen on...
The upper thermal limits for burrowing and survival were compared with micro-habitat temperature for anomalodesmatan clams: Laternula elliptica (Antarctica, 67°S); Laternula recta, (temperate Australia, 38°S) and Laternula truncata (tropical Singapore, 1°N). Lethal limits (LT50) were higher than burrowing limits (BT50) in L. elliptica (7.5–9.0 and 2.2°C) and L. recta (winter, 32.8–36.8 and 31.1–32...
Animal responses to changing environments are most commonly studied in relation to temperature change. The current paradigm for marine ectotherms is that temperature limits are set through oxygen limitation. Oxygen limitation leads to progressive reductions in capacity to perform work or activity, and these are more important and proximate measures of a population’s ability to survive. Here we measured...
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