Figuring out the swale
I'm working on our first swale. Today I had the idea to make some deeper parts in it, so we could have small ponds, where frogs and lizards can live in the summer. I keep them small on purpose so we can easily fill them when the water evaporates in the hottest of the Alentejo summers. I will put a polyethilene liner in it and later cover part of the water surface with floating cork, to reduce evaporation.
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