The water caltrop (Trapa natans L.) in Ukraine: new areas of expansion in the north of the country and contradictions in concepts of its protection and population management
The distribution of the water caltrop Trapa natans L. in Ukraine. This relict species had strongly declined in the early 1979s, but has now recovered and even excessively spread in the upper reaches of the Kaniv and Kyiv reservoirs on the Dnipro River.
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