It’s cold and frosty, and, of course, the owners of HOMESTEAD ponds are concerned, is properly prepared their ponds for the winter. However, if certain recommendations of your fish and other pond inhabitants can easily move even the most severe winter.
If the pond is large enough and its depth is more than 1.5 meters, then all its citizens can be safely left in place, through some measures to ensure their safety. Before freezing the water in the pond is saturated with oxygen, and the fish it would be enough for a long time. But the dead leaves of aquatic plants and the waste products of the fish will decompose in cold water and allocate detrimental to the inhabitants of the marsh gas pond.
For saturation of water with oxygen and removal of marsh gas must be cut in the ice hole and to ensure that they did not freeze. In no event it is impossible to break the ice with a hammer or other object. From the strong sound waves can hurt the fish.
To make the hole carefully and all the rules, you can use a simple way, taking a small metal container and adding hot water to gradually melt the ice. You can use the screws – a special device for ice fishing. Keep in mind that the thickness of the ice in the cold if your pond does not covered and will be 40-60 cm
During the winter as little as possible disturb the fish. At low temperatures water pond inhabitants fall into sostoianiia rest (hibernation) and are located at the bottom of the pond. The fish stops feeding and consumes less oxygen. Continue reading
In ancient times, 65 million years ago (the end of the age of dinosaurs), on the border between the Cretaceous and Paleogene periods, lapped the ancient Tethys ocean . which, in geologically near future had to disappear and leave behind the Mediterranean . The black and Caspian seas and the Persian Gulf. The first two are further connected by the Atlantic ocean, the latest from the Indian.
Page sections about geologic processes in the Atlantic ocean and the seas of the Atlantic .
Sea Atlantic area
Archipelagos and underwater ridges of the Atlantic
The formation of the Strait of Gibraltar and the Mediterranean sea (5 million years BP)
The Strait of Gibraltar that separates Morocco from Spain, is only 15 km width. Perhaps the flooding of the plains by the ocean between Africa and Europe and is reflected in the ancient Greek myth of Debelyanovo the flood that supposedly happened in “ancient Greece”*, namely in the district of Dodon and of the river of Aheloy [I think it was near the Caucasus, and then we can talk about the Black sea]. There is another myth, that the rocks of Gibraltar and Ceuta opened Hercules.
The breakthrough of the Ocean through the Gibraltar – perhaps the work of man.
Kondratov A. Atlantis Tethys sea. Exposure.
Leonardo da Vinci on the levels and currents of the seas. Continue reading
It should be remembered that on the proper selection of fish depend for their future livelihoods and development. In aquariums, the pet shop exotic fish swim. Here and bright blue or crimson cocks, large Crescent angelfish, handsome shiny neons, minors, goldfish and their varieties: veiltail, telescopes and many other showy fish. The combination of various shapes, a range of colors — all this is striking in its beauty and impressive picture. And quite understandable is the desire to acquire the most vibrant and spectacular fish. Fish are living beings with their own habits, needs, tastes, temper, which you should know and consider. For example, goldfish. It is unpretentious, not afraid of temperature fluctuations and not choosy with food. But the mahseer of sumatranus, Vice versa, capricious, effeminate and therefore requires a relentless worries.
Or take game fish. She is very afraid of cold, significant reduction of water temperature may be detrimental. Of course, for all tastes will please. However, choosing fish for the aquarium, it is necessary to consider their features. It is recommended to adhere to the following mandatory conditions of settlement of the aquarium. If its volume is small (about 10 litres), more than three fish in it to contain impossible, as the norm is three liters of water per fish length of five or six cm But will grow more.
Than rupnieciba, the more living space it needs. Therefore, we recommend to buy (or produce) the aquarium at least 30-40 litres of water, which will contain 10-15 fish. To give the fish in the aquarium must also thoughtfully. Combine the fish can only be equal in size, behavior and environmental conditions. Cold-water fish cannot be placed together with warm-water, predatory peace and the Oversight etc. when moving may cause the death of fish. Continue reading