Resumo
Os ecossistemas do planeta apresentam sintomas que nos alertam claramente para a falta de eficiência dos processos de resiliência; estão em declínio, em consequência das diversas atividades humanas, que alteram os seus componentes físicos, químicos, biológicos e as suas inter-relações. Portanto, a rápida degradação requer um acompanhamento ambiental adequado, intensificando a necessidade de indicadores que sejam mais operacionais. Uma das limitações que surge na monitorização de um ecossistema, é o facto das ferramentas de medição não anteciparem as alterações potencialmente nocivas às capacidades funcionais do mesmo. Porém, o enfoque holístico das chamadas ciências Ómicas (Genómica, Transcritómica, Metabolómica), em especial a metabómica, pode constituir uma ferramenta importante, que permita gerar dados para aceder à metacognição do conceito de vulnerabilidade ecológica e a sua importância, no momento de monitorar um ecossistema. A base da metabómica é o acompanhamento da variabilidade fenotípica, em resposta às alterações ambientais (interações bióticas e abióticas) proporcionando uma melhor análise das diferentes capacidades de resposta, conferida pela plasticidade fenotípica de cada espécie, permitindo assim, determinar o metabolismo que está envolvido na plasticidade. As respostas metabólicas das espécies são determinantes no momento de monitorar um ecossistema. Esta abordagem tem o grande potencial de estabelecer, não apenas dados individuais de um organismo, mas redes de dados do comportamento metabólico de populações ou ecossistemas de maneira espacial e temporal, tornando-a uma ferramenta altamente sugestiva para monitorar um ecossistema.Referências
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