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News articles tagged with 'ecosystems'

[chronologically, reverse order]

Humans 'damaging the oceans'

— 29 Jul 2009 18:08 | Environment

Mounting evidence that human activity is changing the world's oceans in profound and damaging ways is outlined in a new scientific discussion paper released today... — full story

Overview of a palynological slide with typical early Jurassic (Hettangian) gymnosperm pollen Pinuspollenites minimus and Perinopollenites elatoides, and fern spores of the genus Deltoidospora, the former two representing the return of arborescent vegetation after the Triassic/Jurassic mass extinction event, (c) Sofie LindstromFloral changes across the Triassic-Jurassic boundary linked to extensive volcanism

— 13 Jul 2009 17:00 | Geology and palaeontology

The turnover of land plants in Europe at the boundary of the Triassic and Jurassic periods, 200 million years ago, was driven by environmental changes triggered by massive volcanic... — full story

Forest fire prevention efforts will lessen carbon sequestration, add to greenhouse warming

— 9 Jul 2009 13:09 | Environment

Widely sought efforts to reduce fuels that increase catastrophic fire in Pacific Northwest forests will be counterproductive to another important societal goal of sequestering carbon... — full story

Mangrove-dependent animals globally threatened

— 1 Jul 2009 06:55 | Environment

More than 40 percent of a sample of amphibians, reptiles, mammals, and birds that are restricted to mangrove ecosystems are globally threatened with extinction, according to an assessment... — full story

Water webs: Connecting spiders, residents in the Southwest

— 30 Jun 2009 12:24 | Biology

If you are a cricket and it is a dry season on the San Pedro River in Arizona, on your nighttime ramblings to eat leaves, you are more likely to be ambushed by thirsty wolf spiders,... — full story

Sudden collapse in ancient biodiversity: Was global warming the culprit?

— 19 Jun 2009 07:31 | Environment

Scientists have unearthed striking evidence for a sudden ancient collapse in plant biodiversity. A trove of 200 million-year-old fossil leaves collected in East Greenland tells the... — full story

Climate chaos inflicting growing costs on United States

— 17 Jun 2009 04:41 | Environment

Every region of the United States - from the East Coast to the West Coast, plus Alaska and Hawaii - is experiencing significant, adverse impacts from climate change including droughts,... — full story

The numbers of jellyfish, like this 'Catostylus,' appear to be on the increase due to a combination of pollution, overfishing and climate change, (c) Lisa Gershwin, Reef HQ'Jellyfish joyride' a threat to the oceans

— 9 Jun 2009 12:08 | Biology

Early action could be crucial to addressing the problem of major increases in jellyfish numbers, which appears to be the result of human activities. New research led by CSIRO Climate... — full story

Nature parks can save species as climate changes

— 4 Jun 2009 13:06 | Environment

Retaining a network of wildlife conservation areas is vital in helping to save up to 90 per cent of bird species in Africa affected by climate change, according to scientists... — full story

Our planet's ten major rivers in the focus of research

— 28 May 2009 13:17 | Environment

The Faculty of Biosciences at the University of Helsinki includes a project focusing on the ten major rivers in the world. Academy Research Fellow Anssi Vaehaetalo's group addresses... — full story

News articles tagged with 'ecosystems' — 97
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