方法:采用夜夹法对野外和室内进行小兽密度和种群调查;
Methods:The night rat clip method was applied to investigate densities and species of field and in door rodent.
采用黑光灯引诱逐日调查的方法,研究了太行山低山丘陵区鳞翅目趋光性昆虫种群数量动态变化规律。
By the black light lamp lure and investigation day after day, the population dynamics of Lepidoptera phototactic insects in hill area of lower Taihang Mountain is studied.
方法自1959年以来连续在三峡库区宜昌段用夹夜法调查鼠类种群及密度。
Methods Sequential investigation into the density and population of rodents in the Yichang section of the Three Gorges area had been implemented with the trap-night method since 1959.
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