Professor Corey Bradshaw explains the unfolding “Extinction Cascades” on Nature Bats Last.

Professor Corey Bradshaw from Flinders University was this months guest on Nature Bats Last.

The audio of the episode is embedded here:

“Dr. Bradshaw is the Matthew Flinders Fellow in Global Ecology at Flinders University, where he directs the Global Ecology Laboratory and is also Chief Investigator of the ARC Centre of Excellence for Australian Biodiversity and Heritage. He heads the Flinders Modelling Node of the latter organization. Professor Bradshaw has published some 300 peer-reviewed scientific articles, 11 book chapters and 3 books. His book titles include The Effective Scientist, published by Cambridge University Press and, from Chicago University Press and co-authored by occasional guest on this show Professor Paul Ehrlich, Killing the Koala and Poisoning the Prairie. In total, his work has been cited more than 20,000 times. Bradshaw is co-Head of the Ecology Section of the Faculty of 1000 and a Fellow of the Royal Society of South Australia. He was awarded the 2017 Verco Medal from the Royal Society of South Australia, a 2017 Rockefeller Foundation ‘Bellagio’ Writer’s Fellowship, the 2010 Australian Ecology Research Award from the Ecological Society of Australia, the 2010 Scopus Young Researcher of the Year, the 2009 HG Andrewartha Medal, and a 2008 Young Tall Poppy Science Award. He is regularly featured in Australian and international media for his research. The Professor’s blog has been visited more than 2.3 million times.” Quoting  Professor Guy McPherson

Links to Professor Bradshaw’s published works are embedded here, his personal blog with a subscription option is Conservation Bytes 

“More than 99% of all species that have ever existed have gone extinct”. See the short presentation at the top of the Professor Bradshaw’s blog for more on that diamond of information and lets get over our human hubris and invincibility.
We have previously discussed on the show Professor Bradshaw’s work with Professor Paul Ehlich. That episode is embedded in the following link: Professor Paul Ehrlich returns to Nature Bats Last
Until recently I assumed that at least Tardigrades would get through the extinction bottleneck. That has recently be called into question as we discussed on the show and  below;
“Tardigrades are tough little critters. When conditions get nasty, they can dry out, reconfigure their bodies and enter suspended animation – called dessication – for years. You can throw virtually anything at them: frozen temperatures, zero oxygen, high pressures, the vacuum of space, cosmic radiation, and even being boiled.”

“But new research has shown these tiny organisms may have a weakness – long-term exposure to high temperatures, even in their dessicated state. The longer the temperatures are maintained, the lower the tardigrades’ chances of survival.”
Tardigrades Are Basically Indestructible, But Scientists Just Found Their Weak Point

In the following embedded Flinders University presentation Professor Bradshaw jokes that his colleagues describe him as Dr or Professor Doom. This subtle form of gas lighting has stoked scientific reticence as the extinction event accelerates, discouraging the less courageous scientists from telling you what they really think is unfolding. Professor Guy McPherson and I admire Professor Bradshaw’s courage, professionalism and scientific integrity. BRAVE | There’s No Plan(et) B – What you can do about Earth’s extinction emergency.

Carl Sagan Extinction is the rule.

Professor Bradshaw and I discussed the Great Barrier Reef in Australia. Embedded below is the trailer to a new documentary titled “Murder On The Reef”

All my time at sea over 16 ‘blue water’ passages and hundreds of races taught me the importance of the “Precautionary Principal”. The prudent skipper needs a wide margin of error. Caution and prudence seems to have been cast to the wind as the dominant culture grinds the living planet into dust.
Next months guest will be Jeff Gibbs, director of “Planet of the Humans” recently censored off You Tube for daring to question the renewables sector.

I'm an anti-imperialist, environmental activist and blue ocean sailor, who is passionate about the earth and all it's inhabitants without favour. Brace for imminent impact as we bare witness to the non-linear unraveling of the biosphere and habitability disappearing for most if not all complex life on the only habitable planet we know of. To quote President Niinistö in North Russia: ‘If We Lose the Arctic, We Lose the World’. Folks we have lost the Arctic.

Posted in Abrupt Climate Change, Corey Bradshaw, Extinction Cascades, Extinction Rebellion, Jeff Gibbs, Nature Bats Last, Professor Guy McPherson, Professor Paul Ehrlich, The Great Barrier Reef
15 comments on “Professor Corey Bradshaw explains the unfolding “Extinction Cascades” on Nature Bats Last.
  1. Haiku Blue says:

    All in your tribe to educate are so informative. Much gratitude !

    Sent from Yahoo Mail on Android

    Liked by 1 person

  2. Kevin Hester says:

    “Funding dried up after inconvenient truths”.
    One of the reasons why so few scientists are prepared to tell the truth, the whole truth and nothing but the truth is access to research funding. Recent guests on Nature Bats Last including Professors Paul Ehrlich and Dr Andrew Glikson from the ANU are near the end of their careers and have the courage to call it as my co-host Professor Guy McPherson and Sam Carana from the Arctic News Blog do.
    Another reason is no scientists wants to get tarred with the ‘Doomer’ label as we discussed with our most recent guest on the show Professor Corey Bradshaw.
    Scientific reticence has ensured that the dominant culture has been able to kick the can and the biosphere off the cliff.
    “Schellnhuber said in a recent interview that the IPCC report stating we could stay below 1.5°C of warming was “slightly dishonest” because it relies on immense negative emissions (pulling CO2 out of the air) which was not viable at global scale. He said 1.5°C was no longer achievable but it was still possible to stay under 2°C with massive changes to society.”
    Professor Hans Joachim Schellnhuber in this article is playing ‘fast and loose’ with the actual level of warming we have already experienced. If you go back to 1750 as a baseline we are already past 2C.
    At the edge of extinction only a handful of courageous scientists and researchers like me are willing to tell you the truth.
    I’ll be surprised if this set of living arrangements survives 2 more melt seasons in the Arctic, that equates to about 18 months.

    https://voiceofaction.org/collapse-of-civilisation-is-the-most-likely-outcome-top-climate-scientists/?fbclid=IwAR3pi1FUqdWIJN7EihsRUE1-eu6HDOrSZ113Rr4Pdw4_qT-sZvrZ-2GOT34

    Like

  3. Kevin Hester says:

    Two of the authors of this latest paper Geraldo Ceballos and Paul Ehrlich are former guests on Nature Bats Last.
    I expect the crisis to escalate faster than this paper implies because of the ‘Extinction cascades’ that we discussed with Professor Corey Bradshaw on the show.
    Does anyone else want to write to Geraldo Ceballos and let him know that we are in the 7th great extinction?
    https://www.pnas.org/content/early/2020/05/27/1922686117?fbclid=IwAR0nKRxc3POMfsFdfv9ofwKJk8wRiKTIOdcu_xiKnHTpFwbvDnrmuGjV0b4

    Like

  4. Nikki says:

    From cascade to avalanche

    Liked by 1 person

  5. Kevin Hester says:

    ‘Emergence of cascading dynamics in interacting tipping elements of ecology and climate’
    PDF
    https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.200599

    Like

  6. Kevin Hester says:

    “Humans wiping out wildlife at an ‘unprecedented’ rate, WWF report finds
    Agriculture and the illegal wildlife trade are the main drivers as WWF calls on people to eat less meat.”

    https://www.nbcnews.com/news/world/humans-wiping-out-wildlife-unprecedented-rate-wwf-report-finds-n1239726?fbclid=IwAR0PdtW9WrZNejcGxFHHeNU__x_g9kYgnMiIVbJ67jYPU9dqC-tFmiwppN4

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Kevin Hester

Kevin Hester is currently living on Rakino Island, a small island in the Hauraki Gulf near Auckland, New Zealand, monitoring the unravelling of the biosphere and volunteering at the Rakino Island Nursery is currently developing a proposal to create a marine reserve near by. The Island has no grid tied electricity or reticulated water.  I catch my own water from the roof and generate my electricity from the ample solar radiation on the island.

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