Icebergs are 'ecological hotspot'

Posted by nimisha mistry Friday, June 22, 2007 0 comments
Melting iceberg (Image: Kim Reisenbichler)
Melting icebergs release minerals into the surrounding water
Drifting icebergs are "ecological hotspots" that enable the surrounding waters to absorb an increased volume of carbon dioxide, a study suggests.

US scientists found that minerals released from the melting ice triggered blooms of CO2-absorbing phytoplankton.

These microscopic plants were then eaten by krill (shrimp-like organisms), whose waste material containing the carbon sank to the ocean floor.

The findings are published in the online journal Science Express.

The study, carried out in the Southern Ocean's Weddell Sea in December 2005, has helped researchers understand the impact of free-floating icebergs on the marine environment.

Floating feeding stations

The number of icebergs found in waters around Antarctica has increased in recent decades as a result of global warming, the researchers wrote in the paper.

"We got a satellite image that covered roughly 11,000 sq km (4,200 sq miles), and counted the number of icebergs within that area," explained Ken Smith, an oceanographer from Monterey Bay Aquarium Research Institute, California.

We are going to go back and look at smaller icebergs to see how important they are
Dr Ken Smith

"We had almost 1,000 icebergs."

The team focused its attention on two icebergs, one measuring 2km by 0.5km (1.2 miles by 0.3 miles) and another 21km in length and 5km wide (13 miles by 3 miles).

Using instruments that included a trawl net and a remotely operated vehicle (ROV) with a video camera, the researchers sampled waters from the ice blocks to 9km away (5.5 miles).

They found a "substantial enrichment" of minerals, phytoplankton, krill and seabirds in the surrounding water up to 3.7km away (2.3 miles) compared with areas with no icebergs.

"These results suggest that free-drifting icebergs can substantially impact the (open sea) ecosystem of the Southern Ocean and can serve as areas of enhanced production and sequestration of organic carbon to the deep sea," the scientists wrote.

Dr Smith said these findings would be followed up next year by a much more intensive examination.

"Ninety percent [of the icebergs in the area] were smaller than the ones we studied," he told BBC News.

"We are going to go back and look at smaller icebergs to see how important they are, and to see if they also have an associated enrichment of the surrounding water."


Sony Ericsson – announcement of the new products. Analyses of the company’s strategy on the market

Posted by nimisha mistry Sunday, June 10, 2007 0 comments

Lawyer agency (outsourcing company of Sony Ericsson) began a correspondence with our site. It demanded to remove messages from our users in one of the forums. Nature of the e-mails showed that the company didn’t think that people (usual readers) had right to share their opinions, publish information (including photos) which they have. So, tomorrow we’ll publish our position regarding this question and the correpondence with this agency which represents Sony Ericsson. Now I could make the following comment – we haven’t met such unprofessional and destructive approach to the situation within our Internet activity. The person who even couldn’t introduce himself made the demands of the company acted on behalf of Sony Ericsson. Only the fifth e-mail was processed according to elementary demands (receiver, sender, number, address of the company, phone number). Before this e-mail ultimatums were processed in an informal way as SPAM messages. I recommend you to read this article which will contain several funny facts. The main topic will be an unprofessional way of the company to defend rights of the customer which can become a way of creating problems to the latter one.
Then, I would like to prevent different questions of our readers about indexes of products and those information which they could read earlier on our forum and other sites. For example, there are rumours about T650. I’ll try to explain the reasons of these rumours. Each manufacturer has inside cycle of products development and gives code names to the new products. One year or even half a year before announcement nobody knows its full index. Series number is usually known. We can presume the index of the future product but can’t be sure. Sony Ericsson uses women names to mark products. But it is impossible to show position of the product in its series, just describing this product with such name. That is why, your humble servant, made bold to give an index to the future product (T650, in our case), while the manufacturer changed its plans and positioning of the devices. We didn’t change the index not to entangle the readers. We understood that it’s better not to call new products and we decided not to do it in future. We would speak about products according to our internal classification, explaining the indexes we use.
Linea 3 is an example of product which allows to follow how the product name could change. This smartphone is the successor of P900 but it is difficult to presume which index it will have when it will be launched. May be it will be P1000 or P980. So, if now we name it P1000 and describe its specifications, we’ll arouse an unnecessary discussion. The other example is OH9. It is a revolutionary and deserves attention. The problem is that an expected date of launching is the beginning of 2005 or even later. So, it is possible to speak only about products that will appear in two-three months not to entangle facts. Now let’s turn to new product line of Sony Ericsson.
On the 9-th of March Sony Ericsson will introduce three new models (K700, S700 and Z500) and several new accessories. For those who’d like to receive an official information we’ll put it in the separate block. Links to specifications of the new phones, analyses of the market situation and short description of the model line you could find below it.