Discover and read the best of Twitter Threads about #extinction

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Thing I’ve been hearing a lot recently: “Real Time Fish monitoring should dictate when the CVP & SWP export pumps are turned off to protect #endangeredspecies. See fish-pump off...no fish-pump on”.

There is *so* much wrong with this, it will require a #thread to unpack.
2a) Real time monitoring is not individual surveillance. Ecological monitoring will always miss individuals, esp. for rare species. (ie, we call it “sampling” & use statistics).

Monitoring will likely miss rare species & the early/late migrants that populations depend on.
2b) This point — the need to maintain life history diversity to prevent declines — can’t be overstated. Just protecting a narrow slice of these species’ diversity is a recipe for further decline & loss of resilience.

journals.plos.org/plosone/articl…
Read 10 tweets
#TetZooCon 2019: a thread. We've over the half-way mark as goes filling up the venue, and it's only early September. TetZooCon is being held at University of London's THE VENUE, Malet St, #London, Oct 19th & 20th. Around 18 talks, an art exhibition, 3 discussions, stalls, merch..
Book places here (we don't send paper tickets)... this is also where you book for the conference meal and the (separate) #palaeoart workshop (which currently runs in parallel to part of the main event, alas): tetzoo.com/convention
#TetZooCon 2019 includes a special session on natural history film-making, with a talk from Amber Eames (on her #swans film) and an on-stage discussion and Q&A with Paul Stewart, Nick Lyon and Zoe Cousins...
Read 15 tweets
(Thread) A scientist’s view of the urgent need for @GavinNewsom to sign SB#1, written by @sentoniatkins.

Like every scientist concerned with preventing #extinction of #SFBay’s fish species, I want #endangeredspecies management to use only the best available science. 1/
@GavinNewsom @SenToniAtkins I supported then-Secretary @sallyjewell's call to review #endangeredspeciesact safeguards for the Bay’s imperiled fish species. Those reviews were necessary bc endangered fish continued to decline; Jewell wrote that she expected the review to lead to increased protections. 2/
@GavinNewsom @SenToniAtkins @sallyjewell Then science-denialists in the Trump Administration manipulated the scientific process used to develop @NOAAFisheries scientific review and tried to bury the best available science. latimes.com/environment/st…
3/
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This may be hard to swallow, but it's crucial re #ClimateChange so please hang in there:
- 56 million yrs ago the world experienced a mass extinction event so severe that nearly ALL LIFE in the oceans was destroyed. It's called the Paleocene-Eocene thermal maximum (PETM).
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Cont/2
The PETM was caused by massive release of CO2 & GHGs into Earth's atmosphere, leading to heating and O2 depletion of the oceans. Life in the seas literally cooked & suffocated.

OK, you say, so why's that important now?

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Cont/3
So? Here:
"we are now emitting carbon 9–10 Xs faster than during the PETM. If the present trend of ^ing carbon emissions continues, we may see PETM-magnitude #extinction & accelerated evolution in as few as 140 yrs or about 5 human generations."
agupubs.onlinelibrary.wiley.com/doi/epdf/10.10…
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