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The pool frog is found in damp areas with dense vegetation, or in calm, slow flowing rivers, ponds, bogs or marshes. [4] According to Amphibiaweb populations of this frog survive in urban areas and even fisheries. The creation of new ponds and other bodies of water leads to increased dispersal and a growth in the population of these frogs. [5]
The Italian pool frog is native to the mainland of Italy, south of Rimini and Genoa, and to the islands of Sicily, Elba and Corsica.It has been introduced into Sardinia.Its typical habitat is sluggish streams and rivers, lakes and swamps and their environs, and it is present at altitudes of 1,800 metres (5,900 ft) or more.
The wood frog has evolved traits that prevent their cells from being damaged when frozen and thawed out. The wood frog has developed various adaptations that allow it to effectively combat prolonged ischemia/anoxia and extreme cellular dehydration. One crucial mechanism utilized by the wood frog is the accumulation of high amounts of glucose ...
In explosive breeders, the first male that finds a suitable breeding location, such as a temporary pool, calls loudly and other frogs of both sexes converge on the pool. Explosive breeders tend to call in unison creating a chorus that can be heard from far away. The spadefoot toads (Scaphiopus spp.) of North America fall into this category ...
Pelophylax is a genus of true frogs widespread in Eurasia, with a few species ranging into northern Africa. This genus was erected by Leopold Fitzinger in 1843 to accommodate the green frogs of the Old World, which he considered distinct from the brown pond frogs of Carl Linnaeus' genus Rana.
Swimming pool contaminants are introduced from environmental sources and swimmers. Affecting primarily outdoor swimming pools, environmental contaminants include windblown dirt and debris, incoming water from unsanitary sources, rain containing microscopic algae spores and droppings from birds possibly harboring disease-causing pathogens. [4]
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Maintaining underwater security against intrusion on or under the water has been complicated by the expansion of recreational scuba diving since the mid-1950s, making it unacceptable in most democracies to use potentially lethal methods against any suspicious underwater sighting or sonar echo in areas not officially closed to recreational divers.