Floresta Amazônica está próxima de se tornar savana, segundo estudo

RESILIÊNCIA REDUZIDA

[{"selector":"#anim-8b9ddbec-1ad0-4457-81bc-c62329e7c515","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d94875a6-371c-4044-b50a-f645bb2c196e","keyframes":{"transform":["translate3d(-113.48315%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-01a723c0-f9e8-4b06-b2ce-39c4ec51e850","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-925c134e-c0b9-4cd5-aa1d-88299a4cee26","keyframes":{"transform":["translate3d(-212.19509%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-db013b5c-eb41-4123-bf50-96b53fbcb7ac","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-15c46506-99fa-4b9c-a6fe-4e28097fde1e","keyframes":{"transform":["translate3d(0px, 204.07880%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Floresta Amazônica está próxima de se tornar savana, segundo estudo Operação Verde Brasil

[{"selector":"#anim-8ddfd0a9-f433-4527-86d4-a0d44e67af5e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-54adcf26-0ed8-42af-a223-7ad53c8a7c98","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fce1fab6-aa07-4c38-ada2-9d53cc777008","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-89851280-e8d9-4143-83a3-0979400ea25d","keyframes":{"transform":["translate3d(-116.27119%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2292587e-bb1c-42ac-877f-7db4f183f378 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(21.874999829338595%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] A Floresta Amazônica está próxima de ter o seu ecossistema biologicamente rico e diversificado transformado em uma savana gramada, segundo um estudo publicado na Nature Climate Change Valter Campanato / Agência Brasil

[{"selector":"#anim-8de2d674-0f96-4de0-9361-04be95075767","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d952a0be-b957-4184-a8df-3ee2dac6ddd0","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-847eef77-ce97-4623-ae70-e145cf9f74d9","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cc860b18-7a25-470b-bfd9-abf3291eafae","keyframes":{"transform":["translate3d(-116.27119%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-21a10e72-0111-488e-9ca3-4df363ba558e [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-7.105427357601002e-15%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] O trabalho é baseado em observações mensais de dados de satélite dos últimos 20 anos, que mapeiam o material orgânico e o verde da floresta para mostrar como ela mudou em resposta às condições climáticas Nat. Clim. Chang

[{"selector":"#anim-ce4dc5c2-108b-4276-b44f-49a1b7a1c554","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8b44f657-fc8e-4ea0-a5b3-cc799b9f06cb","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f3d723c9-4a5f-463f-902f-7f6365c8046a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5711da40-5726-495a-abf6-0982cbd0c58e","keyframes":{"transform":["translate3d(-116.27119%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5374dd38-4982-4b5c-9ed8-915248cf31a9 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(21.874999829338595%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] De acordo com o estudo, desde o início dos anos 2000, mais de três quartos da floresta estão mostrando sinais de redação da capacidade de se recuperar de distúrbios como extração de madeira e incêndios Arquivo / Agência Brasil

[{"selector":"#anim-b886fa4b-6f3e-4107-a68d-c41ac37a1735","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f8b449fc-3745-46f7-9e7e-fe810dbd4246","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b897437c-d262-4dd9-8fa3-fabb293c7582","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4d69f0dc-2432-4304-97a0-ac1a5e387cdd","keyframes":{"transform":["translate3d(-116.27119%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a194eea3-0be9-4acd-b8ec-fd66b8e617fd [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0, 8.333333333333337%, 0)","translate3d(0, 0%, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Essa “perda de resiliência” é um sinal de alerta de declínio irreversível, disseram os autores. E quando chegar a esse ponto, a floresta tropical pode desaparecer rapidamente, de acordo com eles Marcelo Camargo / Agência Brasil

[{"selector":"#anim-d0076466-5a46-4a96-9cec-97c43b68daa1","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ca0214d1-e636-440c-af4a-f5b2152198f1","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-62cbe3ed-b3fd-45fa-a9ac-cdfe10177000","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-27336d02-16c2-49cc-883a-4fbff9fe1638","keyframes":{"transform":["translate3d(-116.27119%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fc04fc06-0f4d-482d-813b-74d5154323a4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(21.874999829338595%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] As soluções são conhecidas, como lembra Richard Allan, professor da Universidade de Reading, no Reino Unido: Valter Campanato / Agência Brasil

[{"selector":"#anim-fc94390c-c27a-414d-9344-a70e748e5355","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-34690454-6473-4efa-9374-1f84410e9f32","keyframes":{"transform":["translate3d(-145.1613%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fa46e567-4c5e-46a5-994b-2672850630b8","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-431c5147-acbb-44b1-8ee6-87520c5761e7","keyframes":{"transform":["translate3d(0px, -273.17465%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ebc5c4ad-819c-47d6-b294-953a0e4e276f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ad9c5828-59bb-4cb8-9dea-18c9cf96b1fe","keyframes":{"transform":["translate3d(0px, 354.62966%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [A solução é] cessar o desmatamento, enquanto cortamos rápida e massivamente as emissões de gases de efeito estufa Richard Allan, professor da Universidade de Reading

[{"selector":"#anim-330baf48-6fbd-49f9-b7d5-0a4774456f2f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0f05de08-dbc0-47c3-8c4b-b5fc05a7e4db","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3b06df87-2fad-4632-8abe-5d3a66766863","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b3816f81-dab6-4520-a351-48b3ad1ebbb4","keyframes":{"transform":["translate3d(-116.27119%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8f3a2691-f158-476d-b923-ebb3641893f4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 2.733316014845931e-7%) scale(0.9009009009009009)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] O estudo descobriu que a perda de resiliência foi mais acentuada em áreas mais próximas da atividade humana, bem como naquelas que receberam menos chuva Marcelo Camargo / Agência Brasil

RESILIÊNCIA REDUZIDA

Leia mais no site da CNN Brasil