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Academic Journal

Tropical Andean climate variations since the last deglaciation.

Subjects: ATLANTIC meridional overturning circulation; CLIMATE change; RADIATIVE forcingSOUTH America

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 8/20/2024, Vol. 121 Issue 34, p1-7, 21p

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Academic Journal

Quaternary palaeoecology meets deep-time palaeobiology.

Subjects: PALEOBIOLOGY; PALEOECOLOGY; FOSSIL pollen

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 11/14/2023, Vol. 120 Issue 46, p1-3, 3p

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Academic Journal

North American pollen records provide evidence for macroscale ecological changes in the Anthropocene.

Subjects: BIOTIC communities; PLEISTOCENE-Holocene boundary; ANTHROPOGENIC effects on natureNORTH America

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 10/24/2023, Vol. 120 Issue 43, p1-7, 16p

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Academic Journal

Edaphic specialization onto bare, rocky outcrops as a factor in the evolution of desert angiosperms.

Subjects: TROPICAL dry forests; DESERTS; ANGIOSPERMSMEXICO; NORTH America

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 2/7/2023, Vol. 120 Issue 6, p1-8, 33p

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Academic Journal

The velocity of postglacial migration of fire-adapted boreal tree species in eastern North America.

Subjects: LAST Glacial Maximum; JACK pine; FLAME spreadQUEBEC (Quebec)

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 10/25/2022, Vol. 119 Issue 43, p1-3, 21p

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Academic Journal

Paleoecology reveals lost ecological connections and strengthens ecosystem restoration.

Subjects: RESTORATION ecology; PALEOECOLOGY; INTRODUCED animalsUNITED Nations

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 6/21/2022, Vol. 119 Issue 25, p1-3, 3p

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Academic Journal

Male mastodon landscape use changed with maturation (late Pleistocene, North America).

Subjects: LANDSCAPE changes; PLEISTOCENE Epoch; OXYGEN isotopesINDIANA

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 6/21/2022, Vol. 119 Issue 25, p1-40, 50p

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Academic Journal

Human-induced ecological cascades: Extinction, restoration, and rewilding in the Galápagos highlands.

Subjects: UPLANDS; COMPETITION (Biology); PLANT species

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 6/14/2022, Vol. 119 Issue 24, p1-6, 15p

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Academic Journal

Bottom-up versus top-down megafauna-vegetation interactions in ancient Beringia.

Subjects: BIOLOGICAL extinction; PLEISTOCENE-Holocene boundary

  • Source: Proceedings of the National Academy of Sciences of the United States of America; Feb2022, Vol. 119 Issue 5, p1-3, 3p

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Academic Journal

Paleoclimate-conditioning reveals a North Africa land–atmosphere tipping point.

Subjects: CLIMATE change; INFORMATION resources; PALEOCLIMATOLOGYSAHARA; NORTH Africa

  • Source: Proceedings of the National Academy of Sciences of the United States of America; 11/9/2021, Vol. 118 Issue 45, p1-7, 7p

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  • 1-10 of  87 results for ""FOSSIL pollen""