Biological invasions are increasing in frequency and the need to mitigate or control their effects is a major challenge to natural resource managers. Failure to control invasive species has been attributed to inadequate policies, resources or scientific knowledge. Often, natural resource managers with limited funds are tasked with the development of an invasive species control program without access to key decision-support information such as whether or not an invasive species will cause damage, and what the extent of that damage may be. Once damages are realized, knowing where to allocate resources and target control efforts is not straightforward. Here we present the history of invasive species policy development and management in a large, multi-jurisdictional and multi-use aquatic ecosystem. We present a science-based decision-support tool for on-the-ground aquatic invasive species (AIS) control to support the development of a sustainable control program. Lastly, we provide a set of recommendations for managers desiring to make an AIS control implementation plan based upon our development of novel invasive species research, policy and management in Lake Tahoe (USA). We find that a sustainable invasive species control program is possible when science, coordination and outreach are integrated.
RESUMOEnsinar ciências é privilegiar situações de aprendizagem que possibilitem ao aluno a formação de sua bagagem cognitiva. As oficinas de Ciências podem ser utilizadas como estratégias didá-ticas, pois constituem um mecanismo importante na construção de conhecimento. O principal objetivo do presente trabalho foi levar os alunos da Educação Infantil e do Ensino Fundamental, com idade entre 04 e 55 anos, a compreender conceitos de Ecologia e Evolução, através do desenvolvimento de Oficinas, realizadas em 2011 e 2012. Durante as atividades, a maioria dos alunos participou e se interessou. Entretanto, alguns pontos abordados provaram ser desconhecidos, principalmente para alunos do Ensino Fundamental, o que confirma o quanto o ensino da Evolução ainda precisa receber mais atenção nas escolas, assim como a Ecologia deve ser mais trabalhada. PALAVRAS-CHAVE: Ensino de Ciências -Oficinas de Ciências -Ecologia e Evolução. ABSTRACTTeaching science means to privilege learning situations which enable the student to form their cognitive baggage. Science workshops can be used as didactic strategies, since they constitute an important mechanism to the construction of knowledge. The main objective of this study was to promote comprehension of concepts in Ecology and Evolution among students from Elementary and Secondary school through the development of workshops. During the activities, the majority of students participated and became interested. However, some points raised proved to be unknown, especially for Secondary Education students, what confirms how the teaching of Evolution still needs to receive more attention at schools, as well as Ecology must be better worked.
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