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Distribution And Abundance Of Chaetognatha On The Yucatan Shelf During May, 1986., Silvia Mille-Pagaza, Rocio Reyes-Martinez, M. Elena Sanchez-Salazar
Distribution And Abundance Of Chaetognatha On The Yucatan Shelf During May, 1986., Silvia Mille-Pagaza, Rocio Reyes-Martinez, M. Elena Sanchez-Salazar
Gulf and Caribbean Research
An analysis of chaetognath species distribution and abundance from the Yucatan Shelf during May 1986 is presented. Zooplankton samples and associated hydrographic data were collected at 21 stations off the northern and northwestern coasts of the peninsula. Density data were classified and analyzed by calculating the Euclidian distance. In addition, the Importance Value of the species was obtained. Highest abundance (1000 to 5000 orgs./100m3) occurred in the northern and northwestern zones off the peninsula, while species richness was higher at oceanic stations farther offshore. The most abundant and frequent species were Sagitta enflata and S. bipunctata. The …