Hey KJ
Perhaps something along these lines, but on a smaller scale and with closer spaces verts...? Rockytopper talked me into this one a long time ago and it has performed flawlessly. Admittedly, though, I have had to remove very little debris since it's installation simply because I don't get that much crap blown in and floating.
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OTOH, though, Dave Davidson would be the first to point out that a small brush pile will be the perfect natural filter...seriously. If you had a smaller tree branch with numerous smaller branches, or a bundle of them, and staked them over the pipe inlet, I think you would have a suitable homeopathic trickle pipe filter.
