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bryozoan

How Wolves Change Rivers | video | @GrrlScientist | Science | The Guardian - 1 views

www.theguardian.com/...how-wolves-change-rivers

environmental science trophic cascades yellowstone wolves

shared by bryozoan on 02 Aug 17 - No Cached
  • bryozoan on 02 Aug 17
     
    At this point, this is a classic example of trophic cascades. Sort of the "peppered moth" of the subject. This is a nice video about it. (I now see that the video has been shared already, but this also has an article (which includes the correction of deer/elk)
S Berrend

How sea otters help save the planet | Environment | The Guardian - 0 views

www.theguardian.com/...ophic-cascades-food-chain-kelp

seaotter keystone CO2 carbondioxide ecosystem APES resources education Climate

shared by S Berrend on 27 Jul 16 - No Cached
  • S Berrend on 27 Jul 16
     
    New research into the complex links of the food chain suggest that the lovable mammals play a key role in managing carbon dioxide levels
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