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April 19, 2021 David Williams, a University of Wyoming professor of botany, and his colleagues at other institutions recently published a paper in the journal Conservation Physiology regarding what may be the world’s longest-living cactus species. The high-elevation cacti growing on Bolivia’s Altiplano, which are more than 400 years old, are a threatened species. Using geochemical isotope methods, Williams and his peers show that the conservation of this species, the pasacana, or Echinopsis atacamensis, depends on growth of individual cactus plants tied to periods of high precipitation a...

The Globe and Mail Steven J. Cooke, Nicolas W. R. Lapointe and John P. Smol Contributed to The Globe and Mail Published March 3, 2021 Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer Steven J. Cooke, Canada Research Professor in Fish Ecology and Conservation Physiology, Carleton University Nicolas W. R. Lapointe, Senior Conservation Biologist – Freshwater Ecology, Canadian Wildlife Fede...

Whale sharks can recover from serious injuries at an “extraordinary rate” and even regrow partially removed dorsal fins, a new study has found. The research, published in the journal Conservation Physiology, shows that the world’s largest fish can recover from lacerations and abrasions, often caused by collisions with boats, in a matter of weeks. Lead author Freya Womersley, a PhD student with the University of Southampton based at the Marine Biological Association, UK, said that the endangered whale shark, which can reach lengths of 18 metres, faces increased contact with boats as the ...

Whale sharks can recover from serious injuries at an “extraordinary rate” and even regrow partially removed dorsal fins, a new study has found. The research, published in the journal Conservation Physiology, shows that the world’s largest fish can recover from lacerations and abrasions, often caused by collisions with boats, in a matter of weeks. Lead author Freya Womersley, a PhD student with the University of Southampton based at the Marine Biological Association, UK, said that the endangered whale shark, which can reach lengths of 18 metres, faces increased contact with boats as the ...

A new study has for the first time explored the extraordinary rate at which the world's largest fish, the endangered whale shark, can recover from its injuries. The findings reveal that lacerations and abrasions, increasingly caused through collisions with boats, can heal in a matter of weeks and researchers found evidence of partially removed dorsal fins re-growing.