Fluctuation of the population density of Gammarus nipponensis in the type B pools (1971–1975, 2015–2016).

 
 
  Part of: Ando K (2019) The study of amphipods in rimstone pools of Akiyoshi-do Cave, Japan. Subterranean Biology 32: 81-94. https://doi.org/10.3897/subtbiol.32.35031