种环 circle of specles

互联网2013-11-14

418

种环 circle of specles 作为整体分布区是广的，但构成整体的各个种则随地区而稍呈现差异，并且这些种是逐渐趋向于代换，这种种的集群称为种环。该词并不完全是专门的术语。是小种的对应词，德语称为Artenkreis，而是B．Rensch提议设在种环上的等级。大体上和E．Mayr所提倡的超种一致。

相关产品推荐

赛默飞世尔Thermo Fisher Cover slip No. 1 1/2 circle glass 16mm diameter Fisherbrand, 100/Cs, MA: FB58800 货号：T_70312323148

￥5

赛默飞世尔Thermo Fisher CIRCLE CAST IRON CLAMP (ROD 12MM) 货号：T_70310278540

￥70

赛默飞世尔Thermo Fisher Cover slip No. 1 circle glass 22mm diameter Fisherbrand, 200/Cs, MA: FB58706 货号：T_70312333138

￥5

赛默飞世尔Thermo Fisher CIRCLE CAST IRON CLAMP (ROD 10MM) span 40 mm 货号：T_70310363571

￥70

赛默飞世尔Thermo Fisher Cover slip No. 1 circle glass 16mm diameter Fisherbrand, 200/Cs, MA: FB58700 货号：T_70312313138

￥5