Arkiv for kategorien ‘Ecology’


Earth’s Acidity Rising

søndag, 25. september 2011

USGS Responds to Deepwater Horizon Oil Spill_1273577340300

Human use of Earth’s natural resources is making the air, oceans, freshwaters, and soils more acidic, according to a U.S.…

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How Many Species Are There on Earth and in the Ocean?

onsdag, 24. august 2011

PLoS Biology

Knowing the number of species on Earth is one of the most basic yet elusive questions in science. Unfortunately,…

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Data Shows All of Earth’s Systems in Rapid Decline

tirsdag, 2. august 2011

Jul 29, 2011 (IPS) – Protecting bits of nature here and there will not prevent humanity from losing our life…

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Largest recorded tundra fire yields scientific surprises

lørdag, 30. juli 2011

FAIRBANKS, Alaska — In 2007, the largest recorded tundra fire in the Arctic released approximately as much carbon into the…

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A World Centered on Sea Ice Is Changing Swiftly at the Poles

onsdag, 29. juni 2011

antarctic

For eons, the polar marine food chain has been closely linked to the seasonal formation and retreat of sea ice.…

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Climate Change Affects Winter Chill for Temperate Fruit and Nut Trees

torsdag, 26. maj 2011

The extent of projected changes in winter chill in many major growing regions of fruits and nuts indicates that growers…

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Probing the Impact of Climate Change on Wildlife, Ecosystems

mandag, 25. april 2011

537803main_hummingbirds_226 nasa hummingbird

Credit: NASA/Jenny Mottar

Soon observations from NASA’s Earth-observing satellites of our planet’s climate will be brought to bear on understanding how…

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Ocean warming detrimental to inshore fish species

mandag, 18. april 2011

A banded morwong. fish

Australian scientists have reported the first known detrimental impact of southern hemisphere ocean warming on a fish species.

The findings of…

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ACE CRC launches Southern Ocean Acidification Report Card

søndag, 17. april 2011

797765_02reef coral cold water

There is increasing concern among scientists that ocean acidification, the so-called “evil twin” of climate change, could affect the functioning…

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Bees Under Bombardment

lørdag, 16. april 2011

honey bee bi

Declines in managed bee colonies date back to the mid 1960s in Europe but have accelerated since 1998, especially in…

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Russian Boreal Forests Undergoing Vegetation Change

lørdag, 16. april 2011

science-dayli-logo1

Russia’s boreal forest — the largest continuous expanse of forest in the world, found in the country’s cold northern regions…

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Record stratospheric ozone loss in the arctic in spring of 2011

fredag, 8. april 2011

GENEVA 5 APRIL 2011 (WMO) — Depletion of the ozone layer- the shield that protects life on Earth from harmful…

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Palm oil plantations: Counting the carbon cost of peatland conversion

tirsdag, 8. marts 2011

For the first 25 years after an oil-palm plantation is established in a peat-swamp forest, about 60 tonnes of carbon…

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Globe’s coral reefs suffer second worst bleaching on record during 2010

mandag, 10. januar 2011

coral distribution world

Record warm ocean temperatures across much of Earth’s tropical oceans during the summer of 2010 created the second worst year…

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Scientists find ‘drastic’ weather-related Atlantic shifts

mandag, 10. januar 2011

Scientists have found evidence of a “drastic” shift since the 1970s in north Atlantic Ocean currents that usually influence weather…

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Is the End in Sight for The World’s Coral Reefs?

onsdag, 8. december 2010

gallery_veron_coral_reef_ribbon

It is a difficult idea to fathom. But the science is clear: Unless we change the way we live, the…

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Threats to the world’s plants assessed

onsdag, 29. september 2010

nature

Habitat loss is the biggest hazard to plant biodiversity.

More than 20% of the world’s 380,000 plant species are at risk…

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Global warming blamed for 40 per cent decline in the ocean’s phytoplankton

torsdag, 9. september 2010

The microscopic plants that support all life in the oceans are dying off at a dramatic rate, according to a…

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80% of tropical agricultural expansion between 1980-2000 came at expense of forests

fredag, 3. september 2010

mongobay

The study, based on analysis satellite images collected by the United Nations Food and Agricultural Organization (FAO) and led by…

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Ocean changes may have dire impacts on people

fredag, 18. juni 2010

Ocean changes may have dire impacts on people - UQ News Online - The University of Queensland_1276852755776

The first comprehensive synthesis on the effects of climate change on the world’s oceans has found they are now changing…

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Climate Change Will Affect the Asian Water Towers

torsdag, 10. juni 2010

science1

Walter W. Immerzeel, Ludovicus P. H. van Beek, Marc F. P. Bierkens

More than 1.4 billion people depend on water from…

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Robust warming of the global upper ocean

mandag, 24. maj 2010

ocean heat content

Most of global warming goes into the ocean. Consequently, the amount of heat accumulating in the world’s oceans is a…

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Turning the Tide on Falling Fish Stocks

tirsdag, 18. maj 2010

the end of line film fish

Credit: The end of the Line

New York, 17 May 2010-Investing around US$8 billion a year in rebuilding and greening the…

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Africa’s lake Tanganyika warming fast, life dying

søndag, 16. maj 2010

nature-geoscience_1248709089912

Late-twentieth-century warming in Lake Tanganyika unprecedented since AD 500

Nature Geoscience, Published online: 16 May 2010 | doi:10.1038/ngeo865

Instrumental observations suggest that…

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NATURE: Biodiversity

søndag, 16. maj 2010

nature biodiversity

Nature is delighted to present this biodiversity supplement for 2010, International Year of Biodiversity. As nations come together to reduce…

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Will the Jordan River Keep on Flowing?

søndag, 16. maj 2010

Yale University_1263558930242

Massive withdrawals for irrigation, rapid population growth, and a paralyzing regional conflict have drained nearly all the water from this…

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New website: Carbon, biodiversity & ecosystem services

lørdag, 15. maj 2010

carbon biodiversity unep

Emissions from land use change, mainly tropical forest loss, contribute an estimated 17.4% of total anthropogenic greenhouse gas emissions (IPCC…

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Global warming may kill off fifth of global lizard species by 2080

fredag, 14. maj 2010

logo guardian

One–fifth of lizard species globally will become extinct by 2080 due to global warming, according to a study using data…

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UN: Governments must act swiftly to salvage biodiversity

mandag, 10. maj 2010

un-news

A new biodiversity report released today by two United Nations environmental bodies concluded that unless radical and creative action is…

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Confronting the biodiversity crisis

fredag, 7. maj 2010

nature reports

In 2002, the world’s governments agreed to significantly slow the rate of biodiversity loss by 2010. Time is almost up,…

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Science: Oil Spill in the Gulf

fredag, 7. maj 2010

science insider deepwater small

http://news.sciencemag.org/oilspill/

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Leading scientists condemn ‘political assaults’ on climate researchers

fredag, 7. maj 2010

logo guardian

A group of 255 of the world’s top scientists today wrote an open letter aimed at restoring public faith in…

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Jeremy Jackson: How we wrecked the ocean

torsdag, 6. maj 2010

Jeremey

In this bracing talk, coral reef ecologist Jeremy Jackson lays out the shocking state of the ocean today: overfished, overheated,…

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UK Fish Stocks Down 94% Since 1889

onsdag, 5. maj 2010

cod_fish_t_1_2 torsk

British fish stocks have dropped by 94 percent in the past 118 years and commercial fishing has profoundly changed seabed…

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The 2010 biodiversity target will not be met!

fredag, 30. april 2010

papegøje

World leaders have failed to deliver commitments made in 2002 to reduce the rate of biodiversity loss, and have instead…

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Oil Slick from Rig Collapse Seen from Space

tirsdag, 27. april 2010

gulf-oil-spill-100426-bb-02 missisipi delta

The oil slick that is expanding from the site of an oil rig collapse last week has been spotted from…

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Massive Southern Ocean current discovered

mandag, 26. april 2010

Antarctic map 07-09_2

A deep ocean current with a volume equivalent to 40 Amazon Rivers has been discovered by Japanese and Australian scientists…

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WWF: Online Resources on Ocean Acidification

torsdag, 22. april 2010

systemlogo-wwf

This WWF post gives an excellent overview on current knowledge on Ocean Acidification.

http://www.wwfblogs.org/climate/content/nrc-acidification-study-22apr2010

The post was issued to day – Earth…

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CO2 Emissions Causing Ocean Acidification to Progress at Unprecedented Rate

torsdag, 22. april 2010

WASHINGTON — The changing chemistry of the world’s oceans is a growing global problem, says the summary of a congressionally…

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Microbe mats among Earth’s largest masses of life.

mandag, 19. april 2010

microbe mats

Tiny but Mighty Microbes, Plankton, Larvae, Burrowers — Keys to Earth’s Food and Respiratory Systems.

Ocean explorers are puzzling out Nature’s…

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State of the Climate: Global Analysis March 2010

fredag, 16. april 2010

NOAA

Global Highlights

* The combined global land and ocean average surface temperature for March 2010 was the warmest on record at…

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The complete guide to modern day climate change

fredag, 16. april 2010

climate progres logo

All the data you need to show that the world is warming

April 14, 2010: Posted by: Scott A. Mandia, Professor…

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The Natural World Vanishes: How Species Cease To Matter

lørdag, 10. april 2010

Yale University_1263558930242

Once, on both sides of the Atlantic, fish such as salmon, eels, and, shad were abundant and played an important…

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Changing faces of the Dutch Wadden Sea

fredag, 9. april 2010

netherlands_water_L vadehavet esa

This satellite image shows the ever-moving sandbanks in the shallow Wadden Sea in the north of the Netherlands. Declared a…

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Mangrove forests in worldwide decline

fredag, 9. april 2010

IUCN - Home_1257325672577 red list international union for conservation nature

More than one in six mangrove species worldwide are in danger of extinction due to coastal development and other factors,…

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Scientists call for biodiversity barometer

torsdag, 8. april 2010

A-glass-frog-from-western-006

For the first time scientists have put a figure on how much it would cost to learn about the conservation…

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nature: Biodiversity supplement for 2010

torsdag, 8. april 2010

nature

Nature is delighted to present this biodiversity supplement for 2010, International Year of Biodiversity. As nations come together to reduce…

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The Atlas of Global Conservation

onsdag, 7. april 2010

nature conservancy

To mark the 40th anniversary of Earth Day, The Nature Conservancy is publishing The Atlas of Global Conservation, which presents…

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Ocean Acidification: ‘Evil Twin’ Threatens World’s Oceans

søndag, 4. april 2010

trends in ecology and evolution

Paleo-perspectives on ocean acidification

Carles Pelejero1, , Eva Calvo2 and Ove Hoegh-Guldberg3

1 Institució Catalana de Recerca i Estudis Avançats (ICREA) and…

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Protected Forest Areas May Be Critical Strategy for Slowing Climate Change

tirsdag, 30. marts 2010

science-dayli-logo

ScienceDaily (Mar. 30, 2010) — A new study involving scientists from 13 different organizations, universities and research institutions states that…

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