Films about sharks – predators of the deep sea
More and more viewers started to watch horror movies. What is it? The fear of uncertainty, a world of knowledge or just to tickle nerves. Maybe all three. Special attention…

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Fishing for catfish with samovodskata.
I have to go to village on fishing. There is forest, river, meadows, the air, everything, even the water is different and this can be noticed only by local residents.…

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conditions

Dangerous animals of the Black sea

Dangerous animals of the Black sea. Medusa Aurelia. Medusa kornerot. Stingray. Black sea Scorpion. Weeverfish. The Scorpion visible.

“Training project in geography” – the rating of the project. The performance criteria of protection. The idea of the project. Evaluation of the project. The tasks of the project. Negative trends in the industry. The construction of a metallurgical plant. The urgency of the problem. Problem. Importance in the economy of the country. Projects of students. Develop your own ways to resolve the problem.

“”Far East” grade 9″ – the Climate of the Far East. Only on the Kamchatka Peninsula more than 20 active volcanoes. Coal reserves in the far East. Biological resources. The Topography Of The Far East. Internal water. The area of coniferous-broadleaved forests. Ores of nonferrous metals. Natural conditions and resources of the Far East. Natural resources of the Far East. Natural areas of the Far East. 18 oil and gas fields. Continue reading

The population of the pond fish

The presence of fish in the pond is acceptable and desirable to the owners, but is not required, and determining the purity of water. In addition, any interior design or landscape can give a boost to due to the reservoir. For living in the pond need a more hardy breed of fish than the aquarium. There are breeds that are most suitable for pond. At their selection it is necessary to consider following features:

– number of fish determined by the size of your pond the following calculation: for every 0.5 sqm of the pond not more than 2.5 cm of body length of fish. It is recommended to buy fish no longer than 10cm.

– fish are able to produce their own food in the pond, so they must not be overfeed. Feed them in spring and summer. You can safely take a break in feeding to the time of departure on vacation. For feeding one should use food floating on the surface, it remains necessary to remove from the water.

– the main causes of death of fishes are the pond overpopulation, disease, and insects such as larvae of dragonflies, water beetles, grabiak. Continue reading

How to build a saltwater aquarium?

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:

– background;

– water filtration; Continue reading

Marine aquarium
Marine aquariums differ much more sensitive to any changes in the environment. The most important parameters for saltwater aquariums are pH, salinity and temperature. Occasionally the nitrite and ammonia will…

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Dwarf catfish cat catfish and marine pennant
Dwarf catfish-the cat belongs to the group of North American catfishes, known as steers, which differ from congeners rounded tail fin. The fish is slender, brownish-mottled with lighter belly. Anal…

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