Study Shows How Ectotherms Respond to Global Warming
Written by AZoCleantechJan 18 2021
Researchers from the University of Granada (UGR) and the Pontifical Catholic University of Chile have shown that thermal tolerance differs quantifiably according to body size in ectotherms animals whose body temperature mainly relies on environmental temperature (the majority of the animals).
Small ectotherms will outnumber larger ones in a global warming scenario. Image Credit: Ignacio Peralta-Maraver.
The team has successfully explained why ectotherms are decreasing in size due to global warming. Published in the
Nature Climate Change journal, the researchers’ study provides the first reasonable physiological description for the general reduction in the size of the observed organism caused by global warming.
Geographical Magazine How to sustainably boost fish yields to feed a growing population 2020 Food systems will need to change as the global population grows. With reform, could fishing and aquaculture step up to the challenge?
As Earth’s population grows, future food systems will need to adapt. Scaling up crop and meat production both come with challenges, including lack of space and declining soil quality. Seafood – a dietary option rich in omega-3, iodine, vitamin D, calcium and zinc – could be a different kettle of fish.
The UN’s Food and Agriculture Organisation (FAO) estimates that total fish production will expand from 179 million tonnes in 2018 to 204 million tonnes in 2030. A team of 22 global experts has recently sought to demonstrate that, with reform, the productivity of our seas could sustainably increase beyond even that.
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COVID-19 Sniffing Dogs To Be Used In Chile Aiport
Delgado said the trained canines are the first in the Americas, and the third nation in the world where the dogs are operating to sniff COVID-19.
Dogs trained to detect COVID-19 by sniffing people s sweat were debuted in Chile s international airport on Tuesday.
The coronavirus-sniffing canines are part of Chile government s alternative, quick and cost-effective method of identifying travelers infected with the virus.
Rodrigo Delgado, Minister of the Interior and Public Security, in conjunction with the Pontifical Catholic University of Chile showcased the first canine brigade at the Santiago International Airport, where the dogs will eventually put their snouts to work.
Accreditation proposals ‘risk mass university closures’
Furthermore, they “would gravely affect the higher education system, limiting its growth, development and diversity”.
Only 16 universities meet or surpass the basic indicators proposed and could therefore gain accreditation. Another 40 do not have 30% of their postgraduate offer accredited, as the new guidelines require.
These are the main conclusions of a new study of CNA’s proposed guidelines, carried out by the think-tank
Acción Educar.
The study also maintains that the new indicators, published in October, are too ambitious and ignore the diversity and trajectory of higher education institutions, including internal factors such as student profile and institutional aims, as well as external ones such as the COVID pandemic and Chile’s economic difficulties.