Phytoplankton studies during the summer of 1974 in Utah Lake, Utah, demonstrated the development of disjunct distributions of Aphanizomenon flos-aquae and Ceratium hirundinella. Differential response to environmental factors and competitive displacement are proposed as probable explanations for this phenomenon.
Squires, Lorin E.; Whiting, Mark C.; Brotherson, Jack D.; and Rushforth, Jack D.
"Competitive displacement as a factor influencing phytoplankton distribution in Utah Lake, Utah,"
Great Basin Naturalist: Vol. 39
, Article 6.
Available at: http://scholarsarchive.byu.edu/gbn/vol39/iss3/6