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- Why does mainstream economics ignore ecology? (PhD progress report 3, August 2019)
- What is Innovation?
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- Aquariums and Ecosystem Mutilation Business
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- Why I left the Swiss CFA Society
- Jared Diamond’s Collapse: How Societies Choose to Fail or Succeed
- Impressions from my Bolivia journey in 2007, part 1
- Take clean-tech one step further: A self-sufficient life style
- Indoor plants for water purification and nitrate reduction in aquariums
- Wild form angelfish (Pterophyllum scalare)
- A pair of peacock bass (Cichla ocellaris) guarding their eggs in Bella Vista, Bolivia (video)
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Tag Archives: low-maintenance
Biotope in my study, a low-tech natural aquarium
Like natural garden ponds this aquarium has no filter, no heater, no artificial light, no electrical equipment at all. It is a silent aquarium, a piece of real tranquility. It receives natural sunlight directly from the window. The temperature may … Continue reading
Posted in Natural aquariums
Tagged biotope, Dario dario, low-maintenance, low-tech, natural aquarium, video
29 Comments
My aquariums at home (July 2009)
I have at the moment four aquariums; one in the living room, three in the study. All of them are quite large aquariums with 200 liters or more water capacity. 1) Community aquarium in the living room (160x60x60 cm) This … Continue reading