JSTOR Daily3y
pH as a key factor defining the niche space of the alpine crustacean species Daphnia tanakai
tanakai was differentiated from two low-altitude species (Daphnia dentifera and Daphnia pulicaria) by its tolerance to low pH such as 4.5, which is equal to the mean pH of pools in the high mountain ...
JSTOR Daily3y
Invasion and molecular evolution of Daphnia pulex in Japan
Phylogenetic analysis of mtDNA suggests that Japanese lineages of D. pulex are immigrants from North America, and are hybrids formed with Daphnia pulicaria prior to this immigration. Based on the ...