{"ok":true,"nota":{"id":"38aecde29900b992","slug":"una-poblacion-de-roedores-chilenos-desaparecio-tras-una-sequia-extrema-38aecd","titulo":"Una población de roedores chilenos desapareció tras una sequía extrema que resistió casi diez años","resumen":"Investigadores analizaron 12 años de registros de degus, roedores endémicos del centro de Chile. Los animales aguantaron casi una década de megasequía, pero desaparecieron localmente tras la sequía extrema de 2019.","fuente":"phys","fuenteNombre":"Phys.org","color":"#2b5c8a","autor":"","url":"https://phys.org/news/2026-11-chilean-rodent-population-collapse-reveals.html","imagen":"https://scx1.b-cdn.net/csz/news/tmb/2026/study-warns-of-the-imp.jpg","tema":"ciencia","subtemas":["cambio climático","sequía","biodiversidad","chile","fauna silvestre"],"entidades":["degus","Chile","revista Ecology"],"formato":"dato","entretenimiento":false,"pubTs":"2026-11-05T19:40:01.000Z","indexTs":"2026-11-05T19:46:14.105Z","hash":"ccab82e0e96cfd605ab57e1cbd98774a1a6d1e3794a15e81d50af2ffa70cf467","tsa":{"time":"Nov  5 19:46:22 2026 GMT","provider":"freetsa.org","sobre":"sello"},"stats":{"views":0,"likes":0,"clicks":0,"dwell":0},"tipo":"normal","registro":"hallazgo","porQueImporta":"Los degus sobrevivieron a casi diez años de sequía y recién cayeron con el golpe de 2019, lo que muestra que la resistencia tiene un límite que no se ve hasta que se cruza. Para quienes viven en el campo o cerca de zonas secas, el dato indica que los ecosistemas pueden parecer estables durante mucho tiempo antes de quebrarse de golpe. Es un aviso sobre lo que pasa cuando la lluvia deja de alcanzar.","quienFirma":"Revista Ecology (estudio de investigadores chilenos)","confianza":"revisado","consulta":null},"sello":{"hash":"ccab82e0e96cfd605ab57e1cbd98774a1a6d1e3794a15e81d50af2ffa70cf467","sello":"10f6a31853b5a1de70790218a2608b9cc36aeae26cfbbc9045a8c2c33720ab3f","beacon":{"drand":{"cadena":"8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce","ronda":6615898,"aleatorio":"0c1d3c20cc05da1735841c48d6ff007d1a2507975bc55de1d7e4a48ce51fe7ef","tiempo":"2026-11-05T19:46:00.000Z"},"nist":{"cadena":2,"pulso":2014883,"salida":"DDC0110B6DCB3A94FB15AD6008FACF8F7CDF9280FA9CB1CB60F7A078945A89AB0AB688C7A02D5AC9BAA005D6BB457C6F59AFB4BD6041A7C4E340BF23F49DCE77","tiempo":"2026-11-05T19:45:00.000Z"},"noAntes":"2026-11-05T19:46:00.000Z"},"verificacion":{"drand":true,"nist":true},"tsa":{"time":"Nov  5 19:46:22 2026 GMT","provider":"freetsa.org","sobre":"sello"},"original":{"titulo":"Chilean rodent population collapse reveals how extreme drought can overwhelm wildlife's resilience","descripcion":"Research published in the journal Ecology analyzed 12 years of records from a population of degus in central Chile, revealing that these endemic rodents managed to withstand nearly a decade of megadrought but disappeared locally following the extreme drought of 2019.","pubDate":"Thu, 05 Nov 2026 14:40:01 EST","url":"https://phys.org/news/2026-11-chilean-rodent-population-collapse-reveals.html"},"indexado":"2026-11-05T19:46:14.105Z"}}