Arctic ice and the ecological rise of the dinosaurs.
Sign Up to like & getrecommendations! Published in 2022 at "Science advances"
DOI: 10.1126/sciadv.abo6342
Abstract: Abundant lake ice-rafted debris in Late Triassic and earliest Jurassic strata of the Junggar Basin of northwestern China (paleolatitude ~71°N) indicates that freezing winter temperatures typified the forested Arctic, despite a persistence of extremely high… read more here.
Keywords: ecological rise; ice; rise dinosaurs; arctic ice ... See more keywords
Nitrate limitation in early Neoproterozoic oceans delayed the ecological rise of eukaryotes
Sign Up to like & getrecommendations! Published in 2023 at "Science Advances"
DOI: 10.1126/sciadv.ade9647
Abstract: The early Neoproterozoic Era witnessed the initial ecological rise of eukaryotes at ca. 800 Ma. To assess whether nitrate availability played an important role in this evolutionary event, we measured nitrogen isotope compositions (δ15N) of… read more here.
Keywords: ecological rise; nitrate limitation; rise eukaryotes; early neoproterozoic ... See more keywords