Como as mudanças climáticas estão causando perda de peso nas aves e outros animais da Amazônia?

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Um estudo publicado na revista Science mostrou que as mudanças climáticas já afetaram os corpos de 77 espécies de aves e outros animais da Amazônia.

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De acordo com o estudo, o monitoramento realizado nas últimas quatro décadas mostra que as aves da Amazônia estão em mutação devido aos desequilíbrios ambientais que estão ocorrendo no planeta.

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O estudo observa que mesmo a Amazônia, que os humanos ainda não alcançaram, já está sendo afetada pelas mudanças climáticas.

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As condições quentes e secas estão diminuindo o tamanho das aves da floresta tropical e aumentando a envergadura das asas, de acordo com cientistas.

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Acredita-se que isso seja uma resposta aos desafios nutricionais e fisiológicos, especialmente durante a estação seca.

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Após mais de 40 anos de trabalho de campo, Jurinec e seus colegas analisaram dados de mais de 15.000 aves.

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Ao comparar os dados, eles descobriram que quase todas as aves ficaram mais leves após a década de 1980 e também observaram que a maioria das espécies perdeu uma média de 2% de seu peso

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O estudo observou que os dados não correspondiam a locais específicos na floresta amazônica. Especialistas observam que as informações foram coletadas em várias regiões da Amazônia.

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O que significa que o fenômeno pode ser verificado globalmente. No total, os cientistas pesquisaram 77 espécies cujos habitats variam.

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Confira a matéria COMPLETA NO SITE

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