tag:blogger.com,1999:blog-5086026991280831425.post4025991883138573068..comments2024-03-18T11:38:13.384-02:30Comments on Elfshot: Plans and Profiles: Meghan Burchell Researching Shells, Seasonality, and Settlement in Coastal British ColumbiaTimhttp://www.blogger.com/profile/11473674521424237610noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-5086026991280831425.post-76099576720340267372013-03-03T11:50:53.604-03:302013-03-03T11:50:53.604-03:30That's funny - Chelsee Arbour, who is working ...That's funny - Chelsee Arbour, who is working in Labrador is dealing with some very interior sea urchin shells and spines right now, as well. I'll have to ask her about seasonality.<br /><br />From what I recall from hearing Meghan talk about her research, yes, I think you need a pretty good idea of the specific area where the shells came from. From my imperfect memory, I believe she needed to establish some sort of salinity and water temperature baselines at each site/island that she was studying. Freshwater run off was the big factor and could change significantly over relatively short distances (ie, tens of kilometres).Timhttps://www.blogger.com/profile/11473674521424237610noreply@blogger.comtag:blogger.com,1999:blog-5086026991280831425.post-83834134698844957942013-03-01T22:25:11.352-03:302013-03-01T22:25:11.352-03:30We find marine shells in village sites on the lake...We find marine shells in village sites on the lakes miles from the coast here on Kodiak Island, and I have always wanted to use the shells to prove that the sites were occupied in the winter. Or at least that the shells were harvested in winter. But it's often hard to say exactly where the clams were collected and I gather pin-pointed the spot (for water salinity etc) is rather important. This spring we even found sea urchin - now that has to be collected in the spring - right? PatrickZoya, Patrick, Nora and Stuarthttps://www.blogger.com/profile/05058223440486466376noreply@blogger.comtag:blogger.com,1999:blog-5086026991280831425.post-7295061669745121712013-03-01T15:25:55.878-03:302013-03-01T15:25:55.878-03:30It is amazing what you can learn from the micro-st...It is amazing what you can learn from the micro-structure of a shell - in some areas, you can identify the time to day the shell was collected and it's position on the tidal shelf! Anonymoushttps://www.blogger.com/profile/11559718392143726519noreply@blogger.comtag:blogger.com,1999:blog-5086026991280831425.post-63053913784791239962013-03-01T09:21:31.302-03:302013-03-01T09:21:31.302-03:30There are a lot of variables to work through that ...There are a lot of variables to work through that influence the shell growth, but once you understand the seasonal changes in salinity and water temperature for a specific area, the potential rewards from this technique (palaeoclimate reconstruction, past water temps, site seasonality) are pretty impressive. Those daily and tidal variations are kind of amazing.Timhttps://www.blogger.com/profile/11473674521424237610noreply@blogger.com