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I've only had one informal meeting to try to outline the project. As such, I'm not very well into what I'll exactly do. Furthermore I don't have any previous experience of doing this kind of work, not even theoretical knowledge. I just have a general knowledge about insects and that's the reason I've been invited to help in this work.
So, I'm not yet in the position to clarify your questions. I'll have to meet the people who contacted me again to define the final objectives and from there on more correctly choose the insect groups and the sampling techniques.
Thank you David for raising these questions, now I know it's not as straightforward as I thought;).

John, thanks so much for pointing me to the calculator, I think it will be a useful tool:). I think you mean this:

http://www2.biolo...refact.php