Navigation Links
Penguin: an Alternative Bio-indicator to Monitor Climate Change

We are used to hearing about the effects of climate change in terms of unusual animal behavior, such as altering patterns of fish and bird migration//. However, scientists at the University of Birmingham are trying out an alternative bio-indicator – the king penguin – to investigate whether they can be used to monitor the effects of climate change.

“If penguins are travelling further or diving deeper for food, that tells us something about the availability of particular fish in regions of the Antarctic. We may be able to assess the pressure exerted by king penguins on this ecosystem, and look at the effects of both climate change and overfishing in this region of the world”, says Dr Lewis Halsey.

A new way of using animals as bio-indicators is to ascertain their energy requirements. Dr Halsey and co-workers measured the heart rate and energy expenditure of king penguins whilst walking on a treadmill and whilst swimming in a long water channel, and obtained relationships between these two variables. They then implanted heart rate loggers in penguins going to sea such that they could infer the energy expended by these birds from the recorded heart rate.

Researchers were then able to find out if there was a correlation between the energetic costs of foraging at sea and the levels of fish available to the penguins i.e. did penguins have to work harder when food was scarce.

King penguins are good candidates as bio-indicators for several reasons. Firstly, while at sea foraging, they cover hundreds of kilometers and are able to dive to depths of several hundred meters, so they explore a relatively large portion of the expansive Southern Oceans. Secondly, the diets of several populations of king penguins are well known. Thirdly, while foraging for food is done at sea the penguins also come ashore to breed and moult, making them accessible to researchers.

Source-Eurekalert
SR/B
'"/>




Page: 1

Related medicine news :

1. Prince Charles lends support to Alternative Medicine
2. Alternative medicine more popular among HIV positive patients
3. Complementary and Alternative medicine
4. Alternative therapies popular with Parkinsons patients
5. Alternative to blood Transfusions
6. Alternative Therapy in HIV Patients
7. An Alternative to Warfarin
8. Another Alternative For Diabetics On Insulin
9. The Use Of Alternative Medicine On The Rise
10. Heart Patients Use Alternative Medicine
11. New Blood Thinner Pill - First Potential Alternative to Warfarin in 50 years
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:3/24/2017)... ... , ... “Vintage and Harvest A Cultivation of Christian Love” is the creation ... North Carolina with his wife, Anna Marie. He and his wife are the proud ... also the author of “Shadow and Substance.” , “Love, the agape kind, is seen ...
(Date:3/23/2017)... ... 2017 , ... In 2016 the World Health Organization declared the Zika virus ... Zika-related cases in the Americas within the next year. Lyme disease is one of ... skyrocketing to an estimated 329,000. Yet, Zika, Lyme and other insect borne illnesses are ...
(Date:3/23/2017)... ... March 23, 2017 , ... Demonstrating ... communities, 16 more public health departments have been awarded national accreditation through the ... million people into the expanding network of communities across the nation whose health ...
(Date:3/23/2017)... ... March 23, 2017 , ... The IoT (Internet of Things) is ... making a huge impact on businesses and individual consumers alike. Laboratories can maximize ... have a value anywhere from $4 trillion to $11 trillion dollars by the year ...
(Date:3/23/2017)... , ... March 23, 2017 ... ... financial services firm serving the families and businesses of the Norwalk and ... program. Northern Ohio Recovery Center (N.O.R.A.) is a nonprofit, community-based substance abuse ...
Breaking Medicine News(10 mins):
(Date:3/24/2017)... March 24, 2017 ShangPharma, a ... and cost-effective drug development and discovery services, ... biotechnology industry, announced today the intent for ... will be consolidating the Contract Research Organizations ... Shanghai ChemPartner. These entities include ChemPartner Shanghai, ...
(Date:3/24/2017)... India , March 24, 2017 A ... market has been growing rapidly as the global sales of Adcetris ... the growth in the antibody drug conjugates market is driven by ... of cancer and wider therapeutic window offered by ADCs. ... Browse 3 Tables and 94 ...
(Date:3/24/2017)... , March 24, 2017  Eli Lilly and ... plans to invest $850 million in its U.S. ... across its U.S. enterprise, including research laboratories, manufacturing ... are being driven by demand for Lilly products, ... medicines in development targeting cancer, pain, diabetes and ...
Breaking Medicine Technology: