Conservation of painted turtles
Автор:
Jesse Russell,Ronald Cohn, 102 стр., издатель:
"Книга по Требованию", ISBN:
978-5-5148-3997-1
High Quality Content by WIKIPEDIA articles! The decline in painted turtle populations is not a simple story of dramatic range reduction, like that of the American bison. Instead, the turtle remains numerous and occupies its original range—it is classified as G5 (demonstrably widespread) in its Natural Heritage Global Rank—however, the settlement of North America has undoubtedly reduced its population density. Since at least 1952, scientists have noted human impact on the painted turtle. Ernst and Lovich, in their 2009 turtle almanac, acknowledge that estimates of species-specific population changes are lacking, but say that it is useful to discuss general factors affecting all turtles. However, these pressures are generally more pressing on turtles of the sea, estuary or land, or already rare turtles. The painted turtle's high reproduction rates and its ability to survive in habitats affected by humans, such as polluted wetlands and artificially made ponds, have allowed it to maintain...
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