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
Outdoor open ponds, which are becoming increasingly popular among vacationers and simply living in the countryside, in winter, of course, freeze. Tightly and freeze. Thick, sometimes almost a foot of ice covers the access of air to the water. Meanwhile, these reservoirs are very densely inhabited by any living creatures. At least – that all sorts of beetles and larvae of dragonflies. In the waters find shelter for the winter frog. And how high is this fish wild or ornamental, sometimes very expensive. And all of them, even those who is in a state of winter hibernation, the necessary oxygen in the water.
Everyone knows that for example carp winter after he buried into the bottom mud. And seemingly no Zamora they are not afraid. But it is in nature, in large enough bodies of water. In the same garden ponds and pools, which are usually overpopulated and aren’t many (if any), and the amount of water attributed to each individual fish is much smaller. And then there appear uncontrolled parasite – frog, and others, also consuming oxygen. In General, in winter under the ice even sleeping goldfish is not sweet. What can we say about the fish, not falling into the hibernation. For example, the roach, the perch and others. As such, playful and not shy fish are a summer decoration of the water, playing at its surface, collecting the fallen insects. Petomane to protect from winter Zamora.
In order to protect the fish from Zamora, it is necessary to ensure the flow of oxygen in the water. Or rather, to ensure contact of water and air, at least in a small area of several square decimeters. I.e. to arrange in a frozen pond wormwood. This can be done in several ways. Continue reading
12. What is the jellyfish, common in the Black and Azov seas, burning like nettles? ( Kornerot, or Hrizostom .)
13. What Medusa has much more victims than any shark? ( Sea wasp – Hironex from the squad Fleckeri Jellyfish. Occurs in the Great Barrier reef of Australia. Bell diameter up to 4,5 cm Usually “stung” her people are killed in a few minutes. The sea wasp venom affects the nervous system, leads to paralysis of the heart.
15. In some cases, predatory polychaetes dangerous to humans? ( Chitinous hook, with a serrated inner edge of the jaws of carnivorous polychaetes associated with venomous glands. Polychaetes may also have parapodia with poisonous bristles. Suffer from them most often fishermen, brought out the trawl catch. At a strong poisoning there is a sharp pain and swelling in the arms, appear headache, nausea.
16. In any case, some edible bivalves can be poisonous? ( If their tissues are developing certain bacteria or accumulate toxic substances.
17. What mollusk is called the “blue death”? ( Small (20 cm, 100 g) Hapalochaena octopus maculosa, which lives in the coastal areas of the tropical zone of the Pacific and Indian oceans. In the excited state it is covered with bright blue spots. Salivary glands of octopus have venom neurotoxins acting simultaneously on the nervous and muscular system. The bite of this clam privided paralysis of the respiratory muscles . Continue reading