The Trust has developed its web site quite well over the last year or so and now has a diary showing where help is required out on the reserves. Here is a copy of the current web page. You can see it and more on the SWT web site. ( see link on this blog):
Clearly there is a great deal that can be done and its obviously a good idea to ask other groups how they go about finding people. We really need a volunteer to volunteer to make a project of researching the problem!!