The pond – a beautiful decoration of a country house or infield. Properly planned and secured all the necessary pond will create a comfortable microclimate, will attract the attention of guests, and the owners will give an opportunity to relax and regain good mood.
To provide microclimate and cleanliness of the pond help pond equipment such as pumps, aerators, filtration system, and accessories – scissors, tongs, skimmers, nets, cleaners the bottom. Experts will help to choose the equipment that best suits Your goals. One thing a large pond where you can fish and swim, and quite another – a small decorative pond. From its size and functions depends on the capacity of the purification system. Mechanical filters clean the water in several ways. Water is disinfected with ultraviolet light, algae and debris remain on the brushes, the porous material separates the microorganisms and the minerals release water from harmful substances. In addition to mechanical filtration in ponds used bioform. For example, in the area of shallow water you can create the swamp with the special plants that will filter the water. Reed will miss the air under the ice in winter. Gravel and small stones will saturate the water with necessary minerals. While a variety of fountains and waterfalls adorn the pond, and provide oxygen to its inhabitants. Continue reading
In 1897, together with the biological station was founded Sevastopol marine Aquarium-Museum. The first building of the biological station has survived. Although, it is known that it was organized on the initiative of A. O. Kovalevskiy and the famous scientist traveler N. N. Miklukho-Maklai in 1871. Headed the Sevastopol biological station of A. O. Kovalevsky – the academician of the Imperial Academy of Sciences. He became its Director. It was A. O. Kovalevsky became the initiator and Builder of the new building of the biological station and marine Aquarium, on the site of the destroyed Nikolaev battery. The author of the project of the building was designed by Alexander Weizen. The station was built in the image and likeness of the biological stations of Naples and Villafranca. Subsequently, the Sevastopol biological station, expanding its efforts to study the flora and fauna of the seas, grew into the Institute of biology of southern seas named Kovalevsky. Also, was established the Prize named after A. O. Kovalevsky. Now This prize is awarded for outstanding achievements in the field of Parasitology and Zoology of the Russian Academy of Sciences. Continue reading
In this section, we will talk about license plates kgs
Amazon, the most diverse group
exotic species of fish.
Catfishes, probably the most diverse group of fish size, body shape, lifestyle and distribution. The group includes more than 2000 species. A large amount of their lives in fresh waters of the tropics, but occur in the temperate zone, and in the open sea. Catfishes can be found on every continent and in every ocean, except for the poles of the Earth. We do not intend to cover all their variety, we present only the rarest representatives of the catfish in the Amazon, which has almost no natural habitat or fishing and the export of which is prohibited by the reason of disappearance, such as Hypancistrus Zebra L046, Hypancistrus L250, L184 Brilliant ancistrus, etc. Scobinancistrus L014 license Only L-catfishes there are about 500. Continue reading