Every water pool on the farm, at least it was built for a different need, you can always simultaneously be used for breeding fish. With some attentiveness and care works for nothing will never disappear. If you are inside of ownership of a lake, right by the settlement of his juveniles you can increase the amount of fish, and consequently, and profit from it. In the pond gully on the steppe, you can make no ex-here before fish. From flowing through your ownership of the river you can divert water to the lowland, where to arrange a number of ponds for proper fisheries management. Ponds can be constructed in a meadow, but more often they lay in wastelands, swamps, etc., unfit for any other purpose and are quite suitable for ponds. Subsequently, the bottom of the ponds, which fish usually do not deep, turn in arable land: the silt deposited from the water, is an excellent fertilizer, and this gives the pond a few years a fine crop of oats and other breads. On the other hand, if after harvesting of oats to fill the pond with water again, bred in a pond rich in food for fish, causing it to quickly feed that the farmers just need more. Continue reading
In honor of the coming of the pores of the holidays we offer to your attention a selection of interesting facts about the Black sea.
The first mention of the Black sea are found in documents relating to the V century BC. It is on the Black sea, Jason and the Argonauts went to Colchis for the Golden fleece.
1. The ancient Greek name of the sea — Pont Aksinsky (gr. Ἄξενος Πόντος), meaning “Inhospitable sea”. It is assumed that the sea was named so because of difficulties with navigation. Later, after a successful exploration of the coast by Greek colonists, the sea became known as the Pontus Euxinus (gr. Εὔξενος Πόντος, “Hospitable sea”). Romanian Black sea Marea Neagră is called.
2. A characteristic feature of the Black sea is complete (except some bacteria) absence of life at depths greater than 150-200 m. the fact that the deep layers of the Black sea is saturated with hydrogen sulphide.
3. In the scheme of currents of the Black sea there are two huge closed cycle with a wavelength of 350-400 km In honor of oceanographer Nikolai Knipovich, who first described this scheme, it was called the “Glasses of the Knipovich” Continue reading
If a person is not an aquarist, he can perceive the content of fish in the tank as violence over living nature, because we are picking up marine animals out of their habitat – the seas, oceans, which are their natural habitats. To some extent it is, however, one tries to ennoble the aquarium as best as possible to bring the living conditions of fish to natural conditions, to create an image in the design of the aquarium in the likeness of the house of marine life.
Not every person available will have similar luxury marine aquarium, although it can be different size from the usual small, which is positioned on the table, to huge that can fit even people in the pool. The crux of the problem lies in the complex care for fish.
Regardless of size, in the aquarium must be properly done:
– water filtration; Continue reading