Can I Plant Trees Around My Turkey Nest Dam?


Daniel has a question here, “In Southern Spain we have
less than 500mm of rain a year and a long dry period. Right now it looks like a turkey nest dam would fit the site best, but shade will be so very important to conserving the water here. How to chose what plants and trees to shade the turkey nest dam? Are there trees I should avoid, or specific kinds you would recommend?” well, if you’ve got a turkey nest dam, it’s not on catchment, so you’re pumping into it from another water source somehow. You don’t have to worry so much
about compromising the wall, but then you’ve only got
a limited amount of water, and you’re already paying to pump it, so you got to be careful that you’re not using trees that have a large water
demand to establish. Bamboo, if it will grow,
can be really good, doesn’t have a deep tap root. You could possibly grow
willows or mulberries, and pleach over the top of the dam. The turkey nest dam
doesn’t need to be too big, so it’s reasonably easy to shade. Otherwise, you just won’t
shade across a large area. Another thing you can do, is you can actually put a structure over, a shade structure, cover
it with shade cloths or any kind of shading material, so that means that you
haven’t got a living system, you got a built system. You could combine the two. And you could also
shade the actual surface by floating material on the top. People do all of kinds
of unusual shade floats. It can even be concrete with polystyrene in instead of gravel. You get floating concrete tiles. I’ve even seen plastic bottles netted up and floating on top of a dam, and styro boxes full of
seedlings of floating gardens, all kinds of things. Whatever reduces the shade, and reduces the evaporation. Obviously, the long term
would be best, trees, so whatever trees grow
really easily where you are and give you enough height
to buffer the evaporation from shade and wind. So it’s really whether
you can afford to wait for the trees to get big enough, whether you really need to
get a shade structure over it, whether you’re willing to compromise with not such attractive materials, but actually float something
over the top of the pond and get that water going out to where you can grow more trees and get more of a living system up. So it’s a matter of compromising what you
can tolerate, really, whether it’s time, whether
it’s not such attractive looks, or whether you got the money
to build an infrastructure. If you build a roof over it, then that roof, itself,
will catch rain water and can be directed into
the turkey nest dam as well.

1 thought on “Can I Plant Trees Around My Turkey Nest Dam?

  1. Wouldn't the pond condense humidity from the air. If you build it the water will come.

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