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  1. dw1305

    Future Mars astronauts may chomp on Wolffia plant to survive

    Hi all, As some will know I have a bit of a <"floating plant obsession">, and this has just come my way via my day job (and "Botany One" <"🌻 The Week in Botany October 23, 2023">) <"Future Mars astronauts may chomp on Earth's tiniest flowering plant to survive"> Photo copy write Christian...
  2. dw1305

    The fruit and vegetable shortage

    Hi all, I'm not claiming that <"I'm Nostradamus">, but in light of the energy crisis (<"Our hobby faces an existential threat">) and <"Brexit bonus">, I just wanted to say that <"I am still doing"> the <"tarot card readings">. From 2013 (and a thread that @foxfish added greatly to) cheers...
  3. dw1305

    How Floating Wetlands Are Helping to Clean Up Urban Waters

    Hi all, Here is one that has come my way, via my "day job". We aren't actually doing any wastewater work at the moment but I belong to some list server etc. so I still get bits and bobs and I thought this might be of more general interest. <"How Floating Wetlands Are Helping to Clean Up...
  4. dw1305

    New look? and a bargain

    Hi all, @LondonDragon do we have a snazzy new look? I'm on a different type of device to normal but we appear to have gone green (which is always a good thing)? Also following on from @GHNelson find of a <"bargain Cryptocoryne"> and @sparkyweasel 's lamentations about not having purchased...
  5. dw1305

    A question, dissolved oxygen and a pond

    Hi all, I've been surveying, and doing some water quality work, on some of <"Bristol's pond and rivers"> over the last couple of weeks. I had an interesting one today. I won't tell you the location, or context, but it was a pond and the water sample had a dissolved oxygen level of 180% (~20oC...
  6. dw1305

    Partial Lunar Eclipse

    Hi all, I've just been out and at 22:30 the <"partial lunar eclipse"> is quite impressive. cheers Darrel
  7. dw1305

    Live food culture - Crangonyx pseudogracilis

    Hi all, I've found a potentially useful alternative crustacean to Asellus aquaticus and Hyalella azteca as "tank janitor" and live food source. It's called "Crangonyx pseudogracilis" and it has the advantages of being quite small (less than 10mm) and very tolerant of warm water and low oxygen...
  8. dw1305

    My new light diffuser

    Hi all, I'm not sure our new light diffuser is working properly. It also seems to be show an unhealthy interest in the fish, and it is a bit bad tempered when you move it. and it is totally hopeless for the nano. cheers Darrel
  9. dw1305

    Whilst it is snowing, I did some drawing

    Hi all, Following a combination of having some unexpected free-time and a "draw your plec" thread on another forum, I've drawn one of mine. The third serendipitous event was that I could actually see one. I've had 5 of them for about 6 months, but I've only seen them on a hand-full of occasions...
  10. dw1305

    I'm pleased I'm not a Reindeer (herder)

    Hi all, Got sent this link via my "day job", but it is quite entertaining and I thought I'd share it. Also makes you wonder what Santa Claus has done to Rudolf, Dasher and Prancer? and whether he did it in the traditional Sami manner? Environmental Research Letters "Oslo: how castration can...
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