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| The world's oceans at risk from rising acidity by Steve Connor |
source : The Independent
date written : 23/05/08 |
A significant increase in the acidity of the Pacific Ocean has been detected by scientists, who believe it could upset the delicate balance of marine ecosystems and lead to their collapse.
Rising ocean acidity is one of the results of increasing levels of carbon dioxide in the atmosphere and scientists are concerned that the phenomenon could make it impossible for key species .... | |
| Coral reefs under threat from humans by Many |
source : Science
date written : 11/07/08 |
Coral reefs under threat from human
Coral reefs under threat from humanA third of reef corals are threatened with extinction because of climate change and other human activities such as fishing and coastal development, scientists have warned.
A study published in the journal Science assessed 845 tropical reef-building species using the International Union for Conservation of .... | |
| Ocean Acidification - Plankton hold surprise for Climate Research by Jessica Marshall |
source : Discovery News
date written : 17/04/08 |
Plankton hold surprise for climate research
Amid concerns about the damage that rising levels of CO2 will do to the oceans, including to corals and other species, there seems to be good news for at least one group of creatures.
Biological oceanographer M. Debora Iglesias-Rodriguez of the National Oceanography Center at the University of Southampton, U.K., found that one species .... | |
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| Anthropogenic Ocean Acidification over the 21st Century and its Impact on Calcifying Organisms by Many International |
source : Nature
date written : 29/09/05 |
Search This journal All of Nature.com Advanced search Journal home > Archive > Article > Abstract Article Nature 437, 681-686 (29 September 2005) | doi:10.1038/nature04095 Anthropogenic ocean acidification over the twenty-first century and its impact on calcifying organisms James C. Orr1, Victoria J. Fabry2, Olivier Aumont3, Laurent Bopp1, Scott C. Doney4, Richard A. Feely5, .... | |
| Mileage from Megawatts by Susan Bower |
source : Pacific North West Laboratories
date written : 11/12/06 |
Release date: December 11, 2006
Contact: Susan Bauer, (509) 375-3688
Mileage from megawatts: Study finds enough electric capacity to "fill up" plug-in vehicles across much of the nation
RICHLAND, Wash. – If all the cars and light trucks in the nation switched from oil to electrons, idle capacity in the existing electric power system could .... | |
| Could US scientists 'CO2 Catcher' help slow warming ? by David Adam (New York) |
source : Guardian 31st May 2008
date written : 31/05/08 |
Could US scientist's 'C02 catcher' help to slow warming? David Adam New York It has long been the holy grail for those who believe that technology can save us from catastrophic climate change: a device that can "suck" carbon dioxide (C02) from the air, reducing the warming effect of the billions of tonnes of greenhouse gas produced each year. Now a group of US scientistS say they have made .... | |
| Sharks Swim Closer to Extinction by Richard Black |
source : BBC News Website
date written : 22 May 200 |
Page last updated at 13:45 GMT, Thursday, 22 May 2008 14:45 UK
E-mail this to a friend Printable version
Sharks swim closer to extinction
By Richard Black
Environment correspondent, BBC News website
Swimming into trouble
Enlarge Image
More than half of the world's ocean-going .... | |
| Wildlife Populations Plummeting by Royal Zoological Society of London |
source : BBC News Website
date written : 16/05/2008 |
Wildlife populations 'plummeting'
Over-fishing and demand for their fins as a delicacy have hit shark numbers
Between a quarter and a third of the world's wildlife has been lost since 1970, according to data compiled by the Zoological Society of London.
Populations of land-based species fell by 25%, marine by 28% and freshwater by 29%, it says.
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| Introducing Hydrogen Power by BP |
source : BP Website
date written : June 2005 |
Introducing hydrogen power
Release date: 30 June 2005
BP's plan to generate electricity from hydrogen and capture carbon dioxide could set a new standard for cleaner energy
BP is developing the world's first industrial scale project to generate electricity using hydrogen manufactured from natural gas to create "decarbonized fuels", reducing carbon dioxide emissions by around .... | |
| Ocean Acidification - Technical Information by Royal Society of London |
source : Royal Society - Plymouth University
date written : 30 June 20 |
Carbon Capture and Storage
Ocean acidification
Scientists are becoming increasingly worried about ocean acidification, a direct result of the increase in atmospheric CO2 levels. On 30 June 2005, the Royal Society of London published a Report on why this is important:
carbon dioxide from the atmosphere dissolves in the ocean, and makes it acid.
This .... | |
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| Carbon Capture and Storage - UKCCSC Project by G8 - 2005 - 2007 |
source : Website - Edinburgh University
date written : Feb 2008 |
What is carbon capture and storage? | Carbon is emitted into the atmosphere (as carbon dioxide, also called CO2) whenever we burn any fuel, anywhere. .... | |
| Lemon Sharks and Dogfish - Hyperbaric Sensitivity ?? by Lauren Smith |
source : Jan Savill
date written : March 2008 |
Sharks could be used to predict the weather as research by a marine biology student claims, it has emerged.
Lauren Smith, 24, is close to completing her PhD studies into the pressure sensing abilities of sharks.
If her studies prove the theory, scientists in future could monitor the behaviour of sharks to anticipate severe weather fronts.
Her research took her to the Bahamas .... | |
| The GAIA Theory by James Lovelock |
source : Ch 4
date written : Feb 2003 |
Gaia Theory
James Lovelock
February 2003
James Lovelock is one of the world's truly extraordinary scientists. For the last 35 years, he has worked independently from home, where he has consistently produced world-class science. His electron capture detector was the first to show us that low levels of pesticides were present throughout the natural world. .... | |
| Status of the World's Coral Reefs by Clive Wilkinson |
source : Australian Institute of Marine Science
date written : Feb 1998 |
STATUS OF THE WORLD'S CORAL REEFS REPORT
by
THE AUSTRALIAN INSTITUTE OF MARINE SCIENCE
Foreword
Coral reefs are particularly important to millions of people around the world as sources of high quality protein, medicinal, and cultural products. They also provide raw materials for dwellings along the coast, and protect fragile shorelines from storm damage .... | |
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| Krill, Fishing Threatens the Antarctic by Juliette Jowit - The Observer |
source : British Antarctic Survey - Antarctic Krill Conservation Project
date written : 23/03/2008 |
Krill fishing threatens the Antarctic. Intensive harvesting of the tiny crustaceans for fish food and Omega 3 puts ecosystem at risk
Juliette Jowit, environment editor The Observer, Sunday March 23 2008 Article historyAbout this articleClose This article appeared in the Observer on Sunday March 23 2008 on p19 of the News section. It was last updated at 00:51 on March 23 2008.
Penguins .... | |
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| Marine Altruistic Behaviour - - 4 stories by Monty Halls Senior |
source : The Week/ Great Ocean Adventures/Websites
date written : 22/03/08 |
Story 1 - The Week Mar 08
In what looks like a rare act of altruism across species, a bottlenose dolphin has saved two beached whales from almost certain death off the coast of New Zealand. Rescue workers had spent hours trying in vain to guide the pygmy sperm whales through a narrow channel to open sea. They were about to give up when Mako ¬who is well known to users of Mahia Beach .... | |
| Global Sea Level Changes by Various |
source : UNEP
date written : Mar 2008 |
Vital Climate Graphics : Observed Climate Trends
Next: Potential climate change impacts
Over the last 100 years, the global sea level has risen by about 10 to 25 cm.
Sea level change is difficult to measure. Relative sea level changes have been derived mainly from tide-gauge data. In the conventional tide-gauge system, the sea level is measured relative .... | |
| Climate Change Controversies - A Simple Guide by Various |
source : The Royal Society
date written : Apr 2007 |
Climate change controversies: a simple guide
The Royal Society has produced this overview of the current state of scientific understanding of climate change to help non-experts better understand some of the debates in this complex area of science.
This is not intended to provide exhaustive answers to every contentious argument that has been put forward .... | |
| Sharks and Coral Reefs (One year on) by Monty Halls (Senior) |
source : Menu 'Articles' Summary
date written : 10/03/08 |
It is almost one year now since the formation of the SCCT and it seems like a good time to summarize conclusions drawn from 'Scientific Articles' and conversations over the period.
SHARKS. In spite of conservation efforts, the practice of 'finning' still continues and is exacerbated by a huge increase in the value of the fins (from about £35.00/kilo some twenty years ago to more .... | |
| Shark Species face extinction amid overfishing and appetite for fins by Alok Jha |
source : The Guardian
date written : 18/02/2008 |
 Call for marine reserves to protect migration hotspots as Scientists fear decline will affect other species.
Nine more species of shark are to be added to the endangered list as scientists warn that oceans are being emptied of. the fish by overfishing and finning.
The scalloped hammerhead shark, which has declined by 99% .... | |
| SCCT Presentation Uptake by Monty Halls (Senior) |
source : SCCT Admin
date written : 11/02/08 |
I am delighted to say that we have our first firm booking for the 90-minute audio/visual and picture presentation designed to raise awareness of the need for both shark and coral conservation if we are to hand over a reasonable level of 'stewardship' to our offspring ( and seafood variety stemming from these 'ecosystem balances'). The presentation also examines the likely future impact of progressive .... | |
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| Coral Reefs Under Rapid Climate Change and Ocean Acidification by O. Hoegh-Guldberg,h P.). Mumby,2 A.]. Hooten,3 R. S. Steneck,4 P. Greenfield,S E. Gomez,6 C. D. Harv |
source : Science
date written : Oct 2007 |
Atmospheric carbon dioxide concentration is expected to exceed 500 parts per million and global temperatures to rise by at least 2°C by 2050 to 2100, values that significantly exceed those inferred for the past 420,000 years during which most extant marine organisms evolved. Under conditions expected in the 21st century, global warming and ocean acidification will compromise carbonate accretion, with .... | |
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| An exchange of views on Marine Reserves and Trophic Cascades by Various UK and USA |
source : Vol 311 - Science (www.sciencemag.org)
date written : Jan - Apr |
Effect of Nassau grouper on parrotfishes
To investigate the feasibility of grouper consuming parrotfishes of various sizes, we
established two allometric scaling relationships. Firstly, the relationship between gape
width (G) and total length (TL) was established for the dominant predator, E. striatus, using
seven anaesthetised individuals within the reserve. .... | |
| The Effects of Global Warming on the Great Barrier Reef by Stephanie Schlazer (Florida University) |
source :
date written : Sept 1999 |
The Effects of Global Warming on the Great Barrier Reef
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Introduction
What is a Coral Reef?
The Great Barrier Reef
Global Warming
What's Happening
Coral Bleaching
The Future of Reefs
What can be done
References .... | |
| Microbial Ecology and Evolution:A Discussion at Metagenomics 2006 by Kayo Arima |
source : Scripps Genomics Centre, Michigan State University
date written : Dec 2007 |
GRADIENT OF HUMAN IMPACT
Anthropogenic influence on the marine environment was studied in Kingman, Palmyra, Fanning and Christmas islands. These islands exhibit a gradient of human population. Kingman island has no people, Palmyra has 15 people, Fanning has 1000 people and Christmas has 10,000 people. Reef fish biomass density was also analysed by atolls and consumer classes. Inverted trophic .... | |
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| Habitat Conservation by Dr Peter Moyle |
source : Marinebio.org
date written : Oct 07 |
Habitat Conservation
Conservation Home / NEXT: Alien Species »
Habitat conservation for wild species is one of the most important issues facing the environment today - both in the ocean and on land. As human populations increase, land use increases, and wild species have smaller spaces to call home. More than half of Earth's terrestrial surface has been altered due to human activity, .... | |
| Marine Balances and Climate Engineering by The Week Staff |
source : The Week of 23rd November 2007
date written : 23 Nov 07 |
Briefing
NEWS 13
Engineering the world's climate
Politicians seem incapable of taking decisive action on climate change. Some scientists think it's now up to them to avert catastrophe
What is forecast for the world?
For all the international talk about clean technologies and cutting C02 emissions, the amount of C02 in the atmosphere today exceeds the most pessimistic .... | |
| Oceans are 'soaking up' less CO2 by BBC News Website |
source : BBC Website
date written : 20/10/07 |
Last Updated: Saturday, 20 October 2007, 04:50 GMT 05:50 UK
E-mail this to a friend Printable version
Oceans are 'soaking up less CO2'
The study was carried out over the course of a decade
The amount of carbon dioxide being absorbed by the world's oceans has reduced, scientists have said.
University of East Anglia researchers .... | |
| Algal Blooms in the Ocean by Doretha B. Foushee |
source : Water Encyclopaedia
date written : 25/09/06 |
The ocean, that vast body of water covering 71 percent of the Earth's surface, is divided into four major basins: the Pacific, Atlantic, Indian, and Arctic Oceans. These large basins are interconnected with various shallow seas, such as the Mediterranean Sea, the Gulf of Mexico, and the South China Sea. Oceans and seas abound with life, ranging from microscopic unicellular (one-celled) organisms to .... | |
| UK Marine Bill by Monty Halls Senior |
source : Websites
date written : 11 Aug 200 |
Dear Mr Heath,
I am sending two websites which I am sure would be of interest to Ben Bradshaw in the attempt to increase the range of Marine Reserves in UK waters.
http://www.environment.gov.au/coasts/mpa/index.html - - This site displays the increase (to nearly 30% of sea area) of Marine Reserves in coastal Australia - mainly concentrating on the Great Barrier .... | |
| Tourism Vs Traditional Fishing by Cabrera Socorro. G., Cabrera Socorro. A |
source : Universidad de La Laguna, Tenerife
date written : Aug 2004 |
Document Title: PASOS: Revista de Turismo y Patrimonio Cultural, 2004 (Vol. 2) (No. 1) 1-16
:
The Marine Reserve of La Graciosa Island and the islands of the North Lanzarote was created in 1995 and, since then, the fishing activities of the local population and their local culture of the sea have been decreasing progressively, while tourist activities are emerging. This paper .... | |
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| US National Plan of Action for the Conservation and Management of Sharks by US National Shark Research Consortium |
source : National Marine Fisheries Service (USA)
date written : Feb 2001 |
Editorial Comment:
This is an objective report on the state of shark species and their conservation by species, area, fisheries and fishing methods. It is based on the best combined data available. It is too lengthy to reproduce in full and therefore only the table of contents is reproduced below.
The report is available through the following website link:
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| Shark Depredation and unwanted Bycatch in Pelagic Longline Fisheries by Regional Seas Programme |
source : UNEP
date written : June 2007 |
Editorial Comment:
This is a 217-page report produced after research based on long-line fisheries in Australia, Chile, Fiji, Italy, Peru, South Africa and the USA (Hawai) and describes the long-line fishing gear used and the attempt to manage unwanted bycatch (sea birds, turtles and shark species). The report discusses commercial implications and marketing considerations on the disposal .... | |
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| Ecosystems: Coral Reefs by National Marine Sanctuaries - USA |
source : USA - National Marine Sanctuaries
date written : 03/01/2001 |
Ecosystems: Coral Reefs
Natural and Anthropogenic Influences
Coral reef ecosystems are complex, dynamic, and sensitive systems. Although they are geologically robust and have persisted through major climactic shifts, they are however, sensitive to small environmental perturbations over the short-term. Slight changes in one component of the ecosystem affect the health of other components. .... | |
| Shell-shocked by N. Kalyani |
source : The Hindu
date written : 11/06/2007 |
THE HINDU $ MONDAY, JUNE 11, 2007
SHELL - SHOCKED
ENVIRONMENT A film with unique underwater footage reveals the wonder and the tragedy of our coral reefs
RIFE WITH LIFE Himanshu Malhotra Do you know that every time we gingerly place a shell, coral or sea urchin in the showcase of our drawing rooms as a curio, we are abetting a crime? A crime as per the Wildlife .... | |
| Ongoing Collapse of Coral Reef Shark Population by William Robbins |
source : James Cook University , Queensland, Australia
date written : 10/12/2006 |
News Item entry - 10th June 2007
Article date - Dec 10 - 2006
Investigators have revealed that coral reef shark populations are in the midst of a rapid decline and that 'no-take' zones - reefs where fishing is prohibited - do protect sharks, but only when compliance with no-take regulations is high. The findings, reported by William Robbins and colleagues at James Cook University, .... | |
| Shark trade restriction bid fails by Richard Black |
source : BBC News
date written : 08/06/2007 |
Shark trade restriction bid fails
By Richard Black
Environment correspondent, BBC News website, The Hague
Efforts to protect porbeagles were narrowly defeated
Attempts to restrict trade in two threatened shark species through the Convention on International Trade in Endangered Species (CITES) have failed.
Delegates voted down EU proposals to limit trade in .... | |
| Be nicer to sharks by The Week Scientific Reporting Staff |
source : The Week
date written : 07/04/2007 |
Be nicer to Sharks.
They are viewed as our natural enemies, but we need the big predatory sharks to survive, not least to protect the humble scallop. Experts have warned that the drastic decline of shark numbers is having a knock-on effect on a whole range of smaller species, reports The Guardian. Ecologists from Dalhousie University in Nova Scotia have found that overfishing the largest .... | |
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| Cascading Effects of the loss of Apex Predatory Sharks from a Coastal Ocean by Ransom A. Myers,1 Julia K. Baum,1 Travis D. Shepherd,1 Sean P. Powers,2 Charles H. Peterson3* |
source : Dalhousie University
date written : 30/03/2007 |
Impacts of chronic overfishing are evident in population depletions worldwide, yet indirect ecosystem effects induced by predator removal from oceanic food webs remain unpredictable, As abundances of all 11 great sharks that consume other elasmobranchs (rays, skates, and small sharks) fell over the past 35 years, 12 of 14 of these prey species increased in coastal northwest Atlantic ecosystems, .... | |
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| Sharks are vital for Coral Reef Health by Enric Sala |
source : Scripps Institute of Oceanography - New Scientist Article
date written : 23/04/2005 |
Sharks are vital for the health of coral reefs, a model of the food web in a reef suggests.
According to the model, created by Enric Sala of the Scripps Institution of Oceanography in San Diego, California, and colleagues, the removal of top predators allows lesser predators such as groupers to thrive, leading to a reduction in the number of algal feeders such as panrotfish. That makes .... | |
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| Sharkless Seas by Peter Vine |
source : Arabian Wildlife Magazine
date written : 24/07/2004 |
Are we witnessing a gradual process leading inexorably to the total demise of sharks on Arabian coral reefs? Throughout the world sharks are under such intense attack by Man that their numbers have declined to the point where certain species are now threatened with extinction. The situation in the Red Sea is also critical and some areas that were until recently renowned for their richly productive .... | |
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