科学与环境

Elephants continue to shape the savanna even after death

来源: Phys.org - latest science and technology news stories · 发布于

Elephants continue to shape the savanna even after death
来源: Phys.org - latest science and technology news stories

Elephants shape the African savanna. They consume huge amounts of forage, dig for water, topple trees and affect all the animals around them. So, what happens to their outsized presence after these iconic animals pass away?

Elephants shape the African savanna. They consume huge amounts of forage, dig for water, topple trees and affect all the animals around them. So, what happens to their outsized presence after these iconic animals pass away?

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Animals may have evolved 200 million years earlier than we thought
科学与环境

Animals may have evolved 200 million years earlier than we thought

New research suggests animals could have evolved as early as 800 to 700 million years ago, roughly 200 million years earlier than some previous estimates. If so, the first animals may have lived before or during Snowball Earth, leaving behind little trace because their soft bodie

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Major cities worldwide are sinking, satellite data reveal
科学与环境

Major cities worldwide are sinking, satellite data reveal

Land subsidence is the gradual sinking of the ground, which can damage buildings, foundations, and drainage and sewage systems, and may increase flood risks. However, information on land subsidence dynamics remains limited, which makes it difficult for policymakers to identify wh

Phys.org - latest science and technology news stories ·