The small foreigner: news laws will promote the introduction of non-native zooplankton in Brazilian aquatic environments

Paula Nunes Coelho, Raoul Henry

Resumo


Non-native species of zooplankton were introduced in continental aquatic environments Brazilian for different reasons (e.g., non-native fish stocking, aquaculture). In addition, many introductions of zooplankton have their unknown pathway. Recently, the governor of the State of Amazonas passed Law No. 79/2016, which allows aquaculture with non-native fish in that state. This change in policy will result the introduction or propagule pressure of non-native zooplankton such as: Mesocyclops ogunnus Onabamiro, 1957; Kellicottia bostoniensis (Rousselet, 1908); Daphnia lumholtzi Sars, 1885; Lernaea cyprinacea (Linnaeus, 1758); Lamproglena monodi Capart, 1944. Indeed, there is a project law at federal level, No. 5989/09, which propose the use of non-native fish in Brazilian aquaculture. We believe that both laws will intensify the introduction of non-native zooplankton. Once established in aquatic environments, the introduction of non-native species of zooplankton could result in negative impacts to biota and ecosystem. Therefore, Brazilian authorities should incentivize the use of local native species rather than pass laws that threaten the environment. 


Palavras-chave


biological invasions; propagule pressure; Neotropical; freshwater; environmental policy



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