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In the Ukrainian rivers appeared dangerous predators

Every year commercial fish species is becoming less. Scientists warn that may soon Ukrainians can not take grandkids fishing — will catch nothing.

“Back in the thirties dried up stoked the stove”

— In recent years we have almost completely destroyed river ecosystem, — says Sergey Mezhzherin, doctor of biological Sciences, Professor Institute of Zoology. I. Schmalhausen. — In Ukraine there is a huge estuary — the sea of Azov, which was considered the most cost-effective and highly productive ecosystem. Here the fish bred naturally. About how much it was in Azov sea, says a historical example: in the area due to the lack of firewood up to the thirties of last century the house was heated by dried specimens, casting them into the furnace instead of logs. Now it seems incredible, however, the number of freshwater fish in the country (even compared to the seventies of the past century) has decreased at least thirty times. Peregorazhivanie dams of the Dnieper, Kuban, don, led to a sharp saloneni water. Now we can confidently talk about a real environmental disaster and in fact of mass death of fish in the rivers of our country.

“Every year in Ukraine disappear two rivers”

Another reason for the lack of fish in Ukraine: loss of grasslands and floodplains — the most scarce of the environment and natural resources in our territory. In addition, in recent years disappear… the river. For example, on the Kiev — Odessa highway signs with the names of small waterways exist, but they are not. They are either overgrown with weeds or completely gone underground. Continue reading

Fish farming in ponds

The pond in which they farm fish – is essentially the same cattle farm, requiring constant attention, but also has high economic efficiency.

With the right approach fish farming can be a quite profitable business. In recent times, agriculture of Russia there has been a positive trend in the sector for the breeding of pond fish. This trend in the economy attracts more and more representatives of small and medium-sized businesses. I should say that this activity has many nuances and specifics that you should consider when beginning this form of agricultural activity.

Even biology and appearance has its own special features and nuances to breeding particular breeds.

Thermophilic species, such as carp, prefers to dwell in the muddy ponds, stagnant water. This kind of pond you should build when breeding this breed. Carp doesn’t use all food resources designated water body. In order to increase economic efficiency and to use resources in full volume, experts recommend to plant in pond to carp fish with another food. For example, herbivorous. Such as tench, Amur, silver carp. But sometimes you can get and predators – pike, perch. Continue reading

Popular marine aquarium fish
Clowns clown fish Some of the most popular among fans — the family Pomacentridae. This reef inhabitants of subtropical and tropical seas. Look these fish are thick and sturdy, they…

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Types of marine aquariums
Despite the relative complexity of care and higher compared to freshwater systems, the cost, the vast majority of our clients give their preference to marine aquariums. Not surprising: luxury and…

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Dangerous for human
I will begin with the sharks. the sand shark reaching a length of 4.3 m, from the squad lunoobraznye. Common in tropical coastal waters of all continents, this shark everywhere…

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