異なる生育地における蘚苔類のフロラ多様性
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概要
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Floristic diversity (also called gamma diversity) of bryophyte was investigated in the urban districts, laurel forests, forestations and summer green forests of Nagasaki Prefecture, northwestern Kyushu, Japan. The total number of bryophyte taxa occurred in each habitat was 310, 214, 172 and 306, respectively. A high positive correlation was obtained between the area and the number of species in all regression equations. The bryophyte flora per area in the summer green forests was the largest among forest vegetation types. Moreover, the Z value in the urban districts was higher than other vegetation types. As the area increase, the bryophyte floristic diversity showed a tendency to increase. In addition, the gradient of graph in the urban districts was higher than others.