Pessoas, não o clima, causaram extinção de animais gigantes

Pessoas, não o clima, causaram extinção de animais gigantes, diz estudo

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[{"selector":"#anim-c0b3b663-891a-4ab8-beff-83c85c3a1e9b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a6dcbdb3-9a49-4fe2-8761-f9d4a4ac0b95","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9ff1261f-c7cd-4087-8fe3-f285c7446e0d","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-bca287b5-946c-4237-b2e9-dfcc94c60860","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] A extinção de mamíferos gigantes, de 50 a 10 mil anos atrás, teria sido causa pelos seres humanos, e não pelas mudanças climáticas UNSPLASH

[{"selector":"#anim-1f9b858d-32f4-42a0-b244-13ba86419557","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3eabbd6e-24fb-42b2-890d-3a19ec69e1f1","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6739394f-3806-4ac4-8ef3-cee3e326672c","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-91be644d-3186-4c0b-8560-7c27a94f97fd","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-f0b8b679-d486-4540-9978-776df16fbdbb","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-b775aaef-6898-4c84-ae5a-a1c7e6cb0dcc","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] É o que diz um estudo da Universidade de Aarhus DIVULGAÇÃO

[{"selector":"#anim-aeb9b53e-95ff-45b4-a33b-bacc45db29a7","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-08324c1b-0a93-49b2-ad30-095edc2cb6ab","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-030c87f2-d9cc-46c4-a817-e6a0c34ef8fd","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-dc47bd40-d9de-4f13-b640-a09d28087f0e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5f67fdd4-9356-43c4-b41d-40719a15dce6","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-afcae393-b94e-49ce-acd3-191b70551f5e","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] A pesquisa aponta que a extinção dessas criaturas corresponde aproximadamente ao espalhamento dos humanos modernos pelo globo UNSPLASH

[{"selector":"#anim-83e05ab7-6b98-4624-b095-1aa1203c0e6a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-af89dae3-985d-488f-895e-70dd66b53860","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-7dbcab33-bd1e-4c49-80fe-d3a7c8b34dc0","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-6b2da7bd-36d4-4a7e-a265-e91a6fc37954","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6a2e1b0d-671f-4e27-902a-29858544606c","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-d8f58139-b45a-4192-abe5-1ba7372bf590","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Durante décadas, os cientistas debateram o que estaria por trás da extinção ou do rápido declínio desses grandes animais UNSPLASH

[{"selector":"#anim-ed2eb5ba-2354-41a3-8f42-93c634762000","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e39f5cb9-47eb-4a48-a0b5-c4a230423aa4","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-acf7a029-2179-49d9-8fd3-2253aa3a8ae4","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-53e2320c-ea42-4898-8305-9182541eefde","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-31a554df-e09c-44f0-8d90-ecd3df7807c2","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-abc4f84c-60eb-4b04-b333-ce294c0e0b07","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] O grupo que acredita que os humanos modernos caçaram os animais até que eles fossem completamente extintos UNSPLASH

[{"selector":"#anim-4a664739-2068-4c81-a56a-771bd415fba3","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b81c215f-1056-4625-a33d-6549d02f1505","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3f355b91-de9f-49be-a8e4-be5954b4c7a3","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-5f86e824-673a-4899-a22e-c0f184731e7d","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ae0c9a0d-e7b0-431d-989e-4ebcd0ccfbf4","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-06489c03-477a-484d-aab0-59335b1f7a48","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Ao observar o DNA de 139 grandes mamíferos vivos, pesquisadores conseguiram mostrar que as populações destes animais também diminuíram ao longo do tempo UNSPLASH

CNNBRASIL.COM.BR

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