Desert ants on a thermal tightrope
WebOct 23, 2012 · At midday, surface temperatures in the desert often exceed 60°C. To be active at this time, animals need extraordinary behavioural or physiological adaptations. …
Desert ants on a thermal tightrope
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WebMay 1, 1996 · Ants experimentally released on the desert floor at temperatures lower than the natural foraging temperature fell victim to predation, often within 5 minutes. The … WebFeb 15, 2024 · Abstract Venezillo arizonicus (Mulaik & Mulaik, 1942) is the only oniscidean isopod native to the Southwest Desert Province of North America. In accordance with its desert habitat, we hypothesized that V. arizonicus would have a higher upper lethal temperature than mesic oniscideans. If oniscidean thermal tolerance is limited by an …
WebThe structure and thermal environment produced by the nest cones of the western harvester ant,Pogonomyrmex occidentalis, are investigated. The nest cone is oriented … WebJun 15, 2024 · Most ants actively adapt depth and architecture of their nest to best match their own thermal optimum 48, and triggering the HSR might only be required when foragers exit the nest. In the Saharan ...
WebBiol Bull 179:366–373 Wehner R, Marsh AC, Wehner S (1992) Desert ants on a thermal tightrope. Nature 357:586–587 Wickstrom CE, Castenholz RW (1973) Thermophilic ostracod: aquatic metazoan with the highest known temperature tolerance. Science 181:1063–1064 Zal F, Green BN, Lallier FH, Toulmond A (1997) Investigation by … WebDec 23, 2014 · Accordingly, it could be expected that ants of different sizes may show different thermal tolerance as a result of exposure to different temperatures (Baudier and O'donnel 2024). Few studies have ...
WebSep 16, 2009 · Wehner R., Marsh A.C. and Wehner S. 1992. Desert ants on a thermal tightrope. Nature 357: 586–587. Article Google Scholar Download references. Acknowledgments. We thank B. Viginier, L. Brazier, and R. Sylvain for their valuable help during the field work, A. Bessière for the help in the lab and E. Fjerdingstad, T. Monnin …
WebJul 23, 2015 · While skittering across the African desert at high noon might sound like a death wish, it’s only natural for the Saharan silver ant ( … how long can fennec foxes liveWebOct 1, 2024 · Here, we show that ants and other small cursorial organisms face especially challenging thermal conditions in the relatively unpredictable spatial and temporal … how long can fip live in your houseWebOct 16, 2024 · The ants have to be quick, though. Their prey is scarce, and they have lots of desert to search. Just how quick these iridescent arthropods can be, and how they achieve those speeds, is explained for … how long can fish go without being fedWebFeb 13, 2024 · Desert ants . on a thermal tightrope. Nature, 357: 586-587. doi: ... Here we relate thermal traits of rainforest ants to microclimate conditions from ground to canopy (microgeographic scale) along ... how long can fish last without foodWebJul 14, 2016 · Here, we combined isotopic and genetic analyses to study the developmental origin of queens and workers in a desert-dwelling ant, Cataglyphis tartessica (Amor & … how long can fish live out of waterWebSep 16, 2009 · Ants were exposed to two temperatures: 48°C, the peak of foraging and 52°C, the thermal limit for foraging in the field (Cerdá et al., 1998a). For each … how long can fire extinguishers lastWebForagers experienced periods when T b would have equaled or exceeded their critical thermal maximum (CTM) of 51.5 C. Laboratory experiments indicated that ants could … how long can field mice live without food