How about pouring something gloopy that sets (plaster of paris?) down the burrow,
so you can remove the soil afterwards leaving hust the skeleton of material that
filled the burrow?
Chris
Peter Briggs wrote:
> Dear All,
>> A friend of mine is trying to figure out how much sediment is disturbed by
> small burrowing shrimp, so she wants to track the size of their burrows
> over time. Sandwiching them in a layer of sediment between two sheets of
> glass was the first try, but it is proving difficult to track their burrows
> when they're not right up against the glass. I (an idiot) have suggested
> glueing thread to the back-end of each one and seeing how much thread they
> reel out, then assuming a standard burrow diameter.
>> Would any lateral thinkers care to contribute a lateral thought to this
> problem. Please respond to me by e-mail thanks as I don't monitor this group.
>> Cheers, Peter Briggs
> -------------------------------------------------
> CSIRO Land & Water, FC Pye Lab,
> GPO Box 1666, Canberra, ACT 2601, Australia
> ph: +61 2 6246 5554 fax: +61 2 6246 5560
> email: peter.briggs at cbr.clw.csiro.au>http://www.cbr.clw.csiro.au/~bri220
