this post was submitted on 26 May 2024
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That was my first thought, along the lines of 'how much plant mass will you need to significantly reduce N in the water, enough so that it has sufficient reduction of unwanted photosynthesis'? I look forward to reading of your progress.
The projects they are doing in Florida say they are targeting 10% surface coverage, that would be unrealistic in our situation, so we're just going to do our best and balance cost/looks/effort with effectiveness.
Interesting, so less than 10% might be sufficient for your needs? That dosen't sound too onerous. I was at Fairchild Tropical Garden in Miami, FL some years ago. They had a small pond, roughly 20X30 feet more or less, with Amazonian plants. Initially the local algae was interfering with the Amazonian species, so they put black dye in the water to inhibit the algae. At the time, there was also a showing of Dale Chihuly's glass work in the garden, including several 1-2 ft. multicolored spheres floating the the black water of the Amazonian pond; looking like alien planets floating in the darkness of space. It may well have been this pond, pictured.
Well, to get to 10% coverage on this pond, we would need 700 of these islands (assuming they were all the same size), which would mean we needed to prep around 37,000 plants every winter to install every spring.
We'll probably shoot for a more realistic target to start with.
Zounds!!
Would native riparian plants planted directly into the pond be an option?