With the arrival of summer, we are already thinking about vacations. Where are we going to spend the summer? In Portugal there are many beautiful beaches, so the choice is already difficult. And in addition there are many river beaches. An even lesser known offer are the biological swimming pools in tourist accommodation. However, [...]

Compared to the simplicity of building an ornamental garden pond, building a biological pool is a very complex task. The mere fact that several and very different materials are used, requires a team of qualified and experienced personnel. In addition to the technical application of the waterproofing liner and aquatic plants of exclusively indigenous [...]

We've a swimming buddy for a few years, who shares the biological pool with us. His name is Anton and he appeared spontaneously a few years ago. It is a juvenile Iberian pond turtle (Mauremys leprosa) that has chosen our biological pool as a habitat to live. During spring, summer and throughout autumn it [...]

Few people know that invasive plants are one of Portugal's biggest problems, whether in an ecological or economic context. As the website www.invasoras.pt informs, Portuguese legislation recognized the seriousness of this problem, in 1999, a law regulated for the first time, in a comprehensive way, the introduction into nature of non-indigenous (exotic) species and [...]

In biological pools the water temperature is slowly rising, but the aquatic plants still need a few days with more than 16ºC water temperature to launch new shoots. At the beginning of the season, to ensure that algae do not proliferate, collective cooperation and ecological interrelations between organisms constitute the complex process of biological [...]