"Climate change drives collapse in marine food webs" Topic
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| Tango01 | 11 Jan 2018 3:50 p.m. PST |
"University of Adelaide scientists have demonstrated how climate change can drive the collapse of marine "food webs." Published in the open access journal PLOS Biology, the study's lead author PhD student, Hadayet Ullah and supervisors Professor Ivan Nagelkerken and Associate Professor Damien Fordham of the University's Environment Institute, show that increased temperatures reduce the vital flow of energy from the primary food producers at the bottom (e.g. algae), to intermediate consumers (herbivores), to predators at the top of marine food webs. Such disturbances in energy transfer can potentially lead to a decrease in food availability for top predators, which in turn, can lead to negative impacts for many marine species within these food webs…"
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| Mithmee | 24 Jan 2018 1:31 p.m. PST |
Planet has been going through changes for millions of years. |
| Bowman | 24 Jan 2018 5:56 p.m. PST |
Correct, but it is the rate of change that is unprecedented. |
| Old Contemptibles | 09 Feb 2018 12:53 a.m. PST |
According to the official 2016 global report from NOAA's National Centers for Environmental Information, [2016] marks the fifth time in the 21st century a new record high annual temperature has been set (along with 2005, 2010, 2014, and 2015) and also marks the 40th consecutive year (since 1977) that the annual temperature has been above the 20th century average. To date, all 16 years of the 21st century rank among the seventeen warmest on record (1998 is currently the eighth warmest.) The five warmest years have all occurred since 2010. link |
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