Abstract:The role of grazing as a controlling factor of phytoplankton has an extensive debate in the literature. In this article, five mechanisms that have been explored as potential controlling factors of grazing influence on phytoplankton in South America are discussed and compared with other latitudinal works. The temperature impact on zooplankton is not conclusive, with planktivorous fish appearing as the main controlling factor of zooplankton size ranges. Fish grazing effects on phytoplankton look despicable, but … Show more
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