HOME >> BIOLOGY >> NEWS
Earliest evidence of humans affecting aquatic ecology in Canada, United States

(Kingston, ON) New findings from Canadian scientists dispel the belief that European settlers were the first humans to cause major changes to Canadian and U.S. freshwater ecosystems.

A University of Toronto-led, multidisciplinary team including researchers from Queen's, McGill, and University of Ottawa show for the first time that prehistoric Inuit whalers dramatically altered high Arctic pond ecosystems through their hunting practices eight centuries ago a legacy that is still evident today.

The principal investigator on the team, U of T Geology Professor Marianne Douglas, is currently in Antarctica using the same kind of detection techniques to study climate change there.

"Our findings are an example of a long-term human intervention in a place where you really don't expect it," says Queen's Biology Professor John Smol, Canada Research Chair in Environmental Change and co-head of the university's Paleoecological Environmental Assessment and Research Laboratory (PEARL). "It seems totally ironic since we tend to think of the high Arctic as being unaffected by humans locally."

Results of the study will be published in the Proceedings of the National Academy of Sciences on-line early edition the week of Jan 26.

The researchers conducted their study on Somerset Island in the Canadian Arctic, where prehistoric Thule whalers (ancestors of the present day Inuit) had the highest concentration of settlement between 400 and 800 years ago. They brought with them a well-developed whaling technology that included large open skin boats, whaling harpoons and lances, and seal skin floats. A semi-nomadic people, the Thule settled in temporary camps each summer, and in the winter returned to semi-permanent villages constructed partially from whalebone.

According to James Savelle, the McGill University archeologist on the research team, while the number of bowheads killed each year would have varied, during the more productive whaling
'"/>

Contact: Nancy Dorrance
dorrance@post.queensu.ca
613-533-2869
Queen's University
26-Jan-2004


Page: 1 2 3

Related biology news :

1. Earliest evidence of hereditary genetic disorder discovered by Hebrew University researchers
2. Earliest European modern humans found
3. Earliest evidence of lemurs discovered in Pakistan, far from their current home, Science reports
4. Earliest human ancestors discovered in Ethiopia
5. Earliest chewing herbivore ever found spurred vertebrate life on land, scientists find
6. Earliest Modern Tree Lived 360-345 Million Years Ago
7. Evidence For Earliest Maritime-Based Societies In The Americas Reported In Science Magazine
8. New evidence of radiation risk in childhood leukaemia
9. Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone
10. Study finds first evidence COX-2 enzymes can regulate DNA damage
11. Researchers find evidence that sea turtles navigate with magnetic maps

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/15/2016)... 2016  A new partnership announced today will ... decisions in a fraction of the time it ... high-value life insurance policies to consumers without requiring ... Force Diagnostics, rapid testing (A1C, Cotinine and HIV) ... pressure, weight, pulse, BMI, and activity data) available ...
(Date:3/31/2016)...   LegacyXChange, Inc. ... LegacyXChange is excited to release its first ... be launched online site for trading 100% guaranteed authentic ... also provide potential shareholders a sense of the value ... industry that is notorious for fraud. The video is ...
(Date:3/22/2016)... March 22, 2016 ... Sensors Market for Consumer Industry by Type (Image, ... Application (Communication & IT, Entertainment, Home Appliances, ... Forecast to 2022", published by MarketsandMarkets, the ... to reach USD 26.76 Billion by 2022, ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... , June 27, 2016   Ginkgo Bioworks , ... industrial engineering, was today awarded as one of ... of the world,s most innovative companies. Ginkgo Bioworks ... for the real world in the nutrition, health ... work directly with customers including Fortune 500 companies ...
(Date:6/24/2016)... , ... June 24, 2016 , ... While the majority ... as the Cary 5000 and the 6000i models are higher end machines that use ... height of the spectrophotometer’s light beam from the bottom of the cuvette holder. ...
(Date:6/23/2016)... ... June 23, 2016 , ... ... to announce the launch of their brand, UP4™ Probiotics, into Target stores nationwide. ... years, is proud to add Target to its list of well-respected retailers. This ...
(Date:6/23/2016)... June 23, 2016 A person commits a crime, ... scene to track the criminal down. An outbreak ... and Drug Administration (FDA) uses DNA evidence to track down ... Sound far-fetched? It,s not. The FDA has increasingly used ... investigations of foodborne illnesses. Put as simply as possible, whole ...
Breaking Biology Technology:
Cached News: