Posts Tagged ‘species’

The Post – Pretty Jellyfish and Citizen Scientists

January 7, 2011

Something to relax with on a Friday afternoon after a long week…..some pretty jellyfish.

Click here for jellyfish article and video

One of the researchers in the video, Steve Haddock, has the public assist him in tracking jellyfish in the ocean. The website: http://www.jellywatch.org/ is a place to check out if you want to be part of his citizen science effort. The website is used to collect sightings of jellyfish and other marine creatures by the public. You can just go to the site and submit a report of what you saw. You can even establish your own account and become a regular contributor to his research efforts.

If you’d like to learn more about Steve Haddock, the Monterey Bay Aquarium Research Institute scientist who studies jellyfish, just click here.

The Post – What to Feed the Babies and How Salty Should the Water Be?

March 1, 2008

Just a reminder that coming up over the next week, the next few installments on the journey of my Under the Pier novel. I had to take a break from those for taxes, actually finishing some more chapter revisions, and of course, taking care of the “grandchildren.” But stay tuned. More to come on Under the Pier.

Re the grandchildren:

What wonderful goings on! Soooo many little black dots in the nursery and they are definitely swimming around. Many are hiding out in the shadows of the live rock caves. So tiny and already they know to hide and avoid “predators.”

I am feeding them three times a day with a mixture of ground up mini-freeze dried krill, some ground up flake food, a few drops of the liquid Small Fry baby fish food, and a little distilled water mixed in. We shall see how it goes. And no, I am not grinding the mini-krill with my husband’s lovely stone mortar and pestle that he uses for grinding up herbs and spices in the kitchen!!

Regarding salinity – it’s a tricky call. While Uca minax, which are the type of fiddler crabs I have, are seen furthest up the estuary in areas of lowest salinity, there seems to be evidence that for at least the first two weeks of their larval development (zoeae) , they actually survive and do better at a higher salinity. However there is also evidence that for the next (megalopae) stage to metamorphose into crab Stage 1, this species does best with the lower salinity seen in the upper estuary environment that the adults live in. I will post more information tomorrow including the links to the two papers I found today on this subject. Long story short today though, is that zoeae of all the species of fiddler crabs, seem to need a couple weeks of “being at sea,” hence higher salinity.

I’ll also explain about the three species used in one of the studies and how their selectivity for salinity levels puts them in different spots in the estuaries and thus probably keeps them from competing with each other for resources and food.

Also to come – I dug out the small microscope I had as a kid and will pick up some microscope slides. So to follow, descriptions of babies, under the glass.

A couple of other notes – courtesy again of my engineer husband. He noted a bunch of white things all over the gravel and wondered if the babies had already molted. Maybe they have but these white dots were too big and irregular in size for baby shells. I believe it’s salt crystals that didn’t dissolve in the water before I added it. I added more water to bring the salinity up closer to a marine environment. I started at 1.010 (brackish) when they were born and over the course of yesterday raised the salinity first to 1.012, then by last night 1.015. Today I’ll finish raising it to 1.020. Then in two weeks I’ll bring it back down to 1.010-1.012, the optimal range for Uca minax adults.

Sand. Again, my husband was watching the babies swim – it is amazing to see these tiny things whiz around the tank – but he shined a light to see if they would follow the beam. The article I posted in yesterday’s gift mentioned that the babies will go to the light. My husband didn’t see evidence of that, but what he noted was that many little babies had worked their way down between the gravel bits, all the way down to the bottom of the tank. Unless they figure out how to get back up to the water, they’ve had it. Now let’s face it. Their parents had a brain the size of a pinpoint. How large a brain do you thing babies the size of a pinpoint have? So the odds of them getting back to the surface are not good. I said “evolution at work. Anybody who tunnels down in the gravel probably won’t live to reproduce. ” My husband noted that gravel is less than optimal for this (engineers talk like this by the way, things are optimal, less than optimal, sub-optimal 🙂 ).

The real important point though was his next comment: “The NEXT time we do this, we should use sand.” There you have it folks. My husband has fallen in love with the fiddler crabs. In all truth, he has. He watches them, thinks about how to make their lives better, anticipates the babies getting ground up in the water filter…..those babies are lucky to have him!!!

Anyway, stay tuned for the links on those two articles about optimal (yes, OPTIMAL) salinity levels for fiddler crab larvae.

 

The Post – Stage I: Apprenticeship – The Early Part

February 13, 2008

In 1995 I left Glaxo to create my own freelance writing business. So, you leave a good job, a steady paycheck, dig up the information to set up a business in your town, file all the forms, and then, voila, you’re in business. Now what? When does the money come in? And, small detail – from where? Isn’t there some boss who’s supposed to tell you what to do next? On the last – look in the mirror. That’s where the buck stops, or starts.

Of course I knew I wanted to write, but what? Articles? Essays? Short stories? Novels? Picture books? Yes. That was my answer. Yes. All of it. Of course, I would do it all. And succeed. Within the next few months. . . . right. I had to. I had to have that income. That’s probably the same answer anybody gives when they decide “I want to write.” The “I’ll write it all . . . and I’ll succeed.” So you sit down, write a bunch of stuff, send it out, and . . . get rejection notes. There’s a surprise. 🙂

I did have the advantage of having this dream since I was about 10 and tried to write my own Nancy Drew books. I joined the Writer’s Digest Book Club in the 70s when it first started – I’m probably one of the earliest members – and I even read some of them. This gave me some working knowledge of marketing and what it was I was supposed to do to submit. I’d even managed to collect a few rejection notes over those years, so I at least had a “glimpse” of what I was up against. Even so, I had to live it, to learn it.

After a number of rejections, it dawned on me that I wasn’t destined for instant stardom and I did the equivalent of that line from the Apollo 13 movie: “What do we have on the spacecraft that’s good?”

Taking stock, I looked at where could I come up with the quickest income. Given the medical background, I could do medical writing and editing. I had the experience. It would have paid well. And I would have choked. I JUST did NOT want to sit there doing SOPs, business writing, and ripping my hair out while I tried to figure out how to format chemical formulas in my computer complete with all the raised and lowered numbers you see – C6H12O6 and 1.65 x 106 (that’s 10 to the 6th power by the way, not 106) moles . . . as you can see, I still haven’t figure out how to do that. I hope I never do. I wanted to write stories – things with heart, not chemistry. Besides, I’d already done that.

My actual, very first publication ever, had been about 20 years earlier. It was a chapter in a medical Microbiology book, on a then relatively unknown bacteria called Campylobacter. Actually, it WAS known, but as the genus Vibrio. However, the taxonomists decided that certain species of Vibrio really WEREN’T Vibrios at all, and hence needed to have their own genus. That’s what taxonomists do. Change classifications and create new names for bacteria. My job was to write a chapter summarizing all this.

As an aside: If you ever have nothing better to do, check out a book called Bergey’s Manual of Determinative Bacteriology. It has almost EVERYTHING you ever wanted to know, and more that you didn’t want to know, about how to classify various bacteria. Not only that, but every few years the taxonomists change their minds about what boxes to put all the bacteria in and what names to give them, so they come out with a new volume. If you’re REALLY hard core about bacteria, get the Bergey’s Manual of Systematic Bacteriology. It’s a THREE-VOLUME set, soon to be FIVE volumes after the next revision. An editorial review of just the second volume says: “Satisfyingly heavy and a pleasure to handle Volume 2 of the Second Edition of this highly respected work boasts a combined weight of more than 7 Kg. Their sheer size is a testament to the quantity of information contained inside.” So, for all the bacteria geeks . . . or people who need satisfyingly heavy doorstops.

Anyway, I wrote this chapter summarizing all that was known about the appearance, biochemical characteristics, and pathogenicity (how well it causes disease) of all the known Campylobacter species in 1975. If you’re that interested, see my Author journey page for a reference. I’m sure I’m no longer in the book. Some other poor soul has no doubt, long since revised it. Bless them.

It was a fine enough debut for my writing. After all, how many college juniors can say they’ve been published, much less in a respected science reference series? While my appetite was whetted for the world of publishing, I just did not want to write science journals or textbooks.

So what do you do when you have left your job, you don’t want to write science, you’re running low on money, and all your fiction gets rejection slips?

You be realistic and go back to science, but you find something in science that is writing-related, and engages your heart. You also refuse to give up your dream.

COMING UP NEXT: Apprenticeship, Take 2: Getting a Grip – The Anal-Retentive Takes Over