HOME >> BIOLOGY >> NEWS
50 Arctic lakes show dramatic effects of climate warming

They found that the aquatic habitat of today is much different from that of pre-industrial times. More fossils of the type that live in open water environments were found in the top (most recent) layer of sediment an indication that these lakes have less ice cover and a longer growing season that would alter important lakewater properties such as light availability and the way lakes stratify, as a result of warming. This marked a major ecological shift in the lakes that coincides with a period of increased human industrial activities and emissions in more southern regions.

Earlier PEARL studies in the High Arctic tundra had indicated major changes in the different layers of fossils associated with climate warming. The new findings bring the effects of climate change closer to populated areas. "The logical extension was to see if tree-line lakes also show these dramatic changes, and this study confirms that the impact is even greater than previously documented," says Dr. Rhland. "We believe that the consequences of greenhouse gas emissions, in the form of climate change, are already having a notable impact on the Arctic environment."

As well as affecting plant and animal life in this region, melting permafrost and less ice cover are already beginning to have repercussions on human concerns such as transportation, housing, and even sovereignty issues.

Last year an entire Nunavik community was relocated by the Quebec government after melting permafrost caused houses to slide from their foundations. Other researchers have found evidence that ocean ice is thinning, which could have future implications for intercontinental transportation routes.

"Until recently, no one was reconstructing Arctic climates in this way, because the technology didn't exist," says Dr. Smol. "Now that we can, in essence, reconstruct the past through this indirect technique, we're filling in gaps in our knowledge and finding answers to many ecological an
'"/>

Contact: Nancy Dorrance
dorrance@post.queensu.ca
613-533-2869
Queen's University
8-Apr-2003


Page: 1 2 3

Related biology news :

1. Alaska scientists find Arctic tundra yields surprising carbon loss
2. Melting ice cap gives urgency to new census of marine life project in Arctic Ocean
3. Common chemicals morphing into potential toxins in Arctic
4. Researchers publish Circumpolar Arctic Vegetation Map
5. Research shows little effect from Arctic offshore oil drilling
6. New study begins to unravel fate of toxic pollutants harbored in Arctic waters
7. 54th Annual Arctic Science Conference highlights extreme events
8. UAF Institute of Arctic Biology researcher featured in Science
9. NSF to support study of environmental warming in the Arctic
10. Healy researchers make a series of striking discoveries about Arctic Ocean
11. University of Cincinnati researchers track climate changes in Arctic thaw lakes

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Arctic lakes show dramatic effects climate warming

(Date:8/11/2015)... Today, ZUK announced its Android smartphone Z1, featuring FPC,s ... in 2015 that relate to sales of FPC1155 for this smartphone ... MSEK for 2015. Jörgen Lantto, CEO of FPC, comments: ... smartphone manufacturer in China and we are ... for Z1 , its ...
(Date:8/6/2015)... Germany , August 6, 2015 ... Instruments (SMI) shows the world,s first Eye ... on Epson,s Moverio BT-200 see-through head mounted display and ... solution, unprecedented quality and efficiency is brought to personalized ... For the first time, professionals and researchers can integrate ...
(Date:8/5/2015)... 2015 The biosensors market is proving highly ... into newer sectors, and development of devices resulting in ... has seen the entry of multiple participants each year ... (Photo - http://photos.prnewswire.com/prnh/20150805/255570 ) ... the Global Biosensors Market ( http://www.frost.com/nee9 ), finds ...
Breaking Biology News(10 mins):FPC's Touch Fingerprint Sensor FPC1155 in ZUK's Smartphone Z1 2SMI Shows First Eye Tracking Upgrade for Augmented Reality Glasses 2SMI Shows First Eye Tracking Upgrade for Augmented Reality Glasses 3Innovative Biosensors Incite Use in Non-Traditional Applications 2Innovative Biosensors Incite Use in Non-Traditional Applications 3Innovative Biosensors Incite Use in Non-Traditional Applications 4
(Date:8/26/2015)... , Aug. 26, 2015  Roka Bioscience, Inc. (NASDAQ: ... providing advanced testing solutions for the detection of foodborne ... present at the Sidoti & Company Emerging Growth Conference ... be held at the New York Marriott Marquis. ... be available through the investor relations section of Roka ...
(Date:8/26/2015)... FRANCISCO , Aug. 26, 2015  Platform ... that it has received a $1.5M Phase II ... (NIH) to further develop its therapeutic agent to ... clinical need in end stage renal disease (ESRD) ... the National Institute of Diabetes and Digestive and ...
(Date:8/26/2015)... HONG KONG , Aug. 26, 2015 ... "Company"), China,s leading provider of ... and stem cell storage services, today announced that the ... Holdings Limited ("MO2"), an entity wholly owned by Mr. ... the Company, has acquired the outstanding shares (the "Shares") ...
(Date:8/26/2015)... ... August 26, 2015 , ... PRC Clinical, ... new business relationships with local sponsors in southern California. The Clinical Trial Management Expert ... development processes and regulatory pathways., , Stem Cell Meeting ...
Breaking Biology Technology:Symic Biomedical Awarded $1.5MM NIH Phase II SBIR Grant to Develop its Proteoglycan Mimetic Therapeutics to Reduce Vascular Access Failures in ESRD 2Symic Biomedical Awarded $1.5MM NIH Phase II SBIR Grant to Develop its Proteoglycan Mimetic Therapeutics to Reduce Vascular Access Failures in ESRD 3China Cord Blood Corporation Receives Notice of Transactions Regarding its 7% Senior Convertible Notes Due 2017 2China Cord Blood Corporation Receives Notice of Transactions Regarding its 7% Senior Convertible Notes Due 2017 3PRC Clinical To Attend Major Industry Conferences And Meet Sponsor Companies In The San Diego Biotech Hub 2PRC Clinical To Attend Major Industry Conferences And Meet Sponsor Companies In The San Diego Biotech Hub 3
Cached News: