food web

Extreme weather threatens rich ecosystems


April 1st, 2012 - 9:11 pm ICT by IANS
Stockholm, April 1 (IANS) Hurricanes, torrential downpours and droughts will become more frequent with global warming, threatening species especially in bio-diverse ecosystems and tropical rainforests.Flora and fauna will become extinct ... Read more...

Posted in Environment |

Taking help of math to predict, prevent future extinctions


January 26th, 2011 - 5:40 pm ICT by ANI
London, Jan 26 (ANI): Researchers at the Northwestern University have developed a mathematical model that illustrates how human intervention may effectively aid species conservation efforts."Our study provides a theoretical basis for management ... Read more...

Posted in Health Science |

Fossil site in China offers clues to mass extinction recovery


December 23rd, 2010 - 4:41 pm ICT by ANI
Washington, Dec 23 (ANI): A massive new fossil site discovered in south-west China has shed light on how life on Earth recovered from the greatest mass extinction of all time.The work is ... Read more...

Posted in Health Science |

Rising greenhouse gases could have significant impacts on ocean life


December 22nd, 2010 - 5:16 pm ICT by ANI
Washington, Dec 22 (ANI): A new study has suggested that the prolonged, extensive emission of greenhouse gases over the next few decades could have major impacts on ocean life.UC Merced marine biologist ... Read more...

Posted in Health Science |

Scientists question widely adopted indicator of ocean health


November 21st, 2010 - 1:21 pm ICT by ANI
London, Nov 21 (ANI): A new analysis by an international team led by a University of Washington fisheries scientist has suggested that the most widely adopted measure for assessing the state of ... Read more...

Posted in Health Science |

Whale poop ups productivity of ocean fisheries


October 13th, 2010 - 2:51 pm ICT by ANI
Washington, Oct 13 (ANI): A new study from Harvard University and University of Vermont has revealed that whale faeces is rich in nutrients, and has a huge positive influence on the productivity ... Read more...

Posted in Health Science |

Ongoing Gulf oil spill wreaking havoc for marine ecology


June 9th, 2010 - 4:09 pm ICT by ANI
London, June 9 (ANI): The continuing oil spill disaster in Gulf of Mexico is becoming a reason for serious worries as researchers are beginning to collect data on how it is changing ... Read more...

Posted in Health Science |

Giant Oil Plume Found In Gulf


May 28th, 2010 - 7:07 pm ICT by Pen Men At Work
May 28, 2010 (Pen Men at Work): A new plume of oil has been discovered by marine scientist in the Gulf of Mexico. The enormous plume stretches about 22 miles from ... Read more...

Posted in Environment |

20th-century warming in Lake Tanganyika endangers fish, livelihoods


May 18th, 2010 - 12:49 pm ICT by ANI
London, May 18 (ANI): Lake Tanganyika, the second-oldest and second-deepest lake in the world, has recorded unprecedented high temperatures during the last 100 years.Situated in East Africa, the lake's surface waters are ... Read more...

Posted in Health Science |

Extinctions were more severe in northern oceans after catastrophe 65 mln yrs ago


March 1st, 2010 - 2:31 pm ICT by ANI
London, March 1 (ANI): A new study has determined that the extinctions that happened 65 million years were more severe in northern oceans than the southern ones.The extraterrestrial body that slammed into ... Read more...

Posted in Health Science |

Fish don’t get their food from trees, say scientists


November 25th, 2009 - 3:29 pm ICT by ANI
Washington, November 25 (ANI): A new research has rejected a study which had suggested that fish get almost 50 percent of their carbon from trees and leaves.The research from the University of ... Read more...

Posted in Health Science |

High ozone depletes productivity in oil seed rape plants


June 29th, 2009 - 4:31 pm ICT by ANI
Washington, June 29 (ANI): A new research indicates that high ozone conditions causes a 30 percent decrease in yield and an increase in the concentration of a group of toxic compounds within ... Read more...

Posted in Health Science |

World’s largest freshwater lake under dire threat from climate change


May 4th, 2009 - 1:08 pm ICT by IANS
Washington, May 4 (IANS) Siberia's Lake Baikal, the world's largest freshwater lake, faces severe ecological threats due to climate change, a new study has found. The planet's most biologically diverse water body, ... Read more...

Posted in Sci-Tech |

Climate change threatens Siberian lake’s ecological balance


May 1st, 2009 - 4:43 pm ICT by ANI
Washington, May 1 (ANI): An analysis by a joint US-Russian team has determined that Siberia's Lake Baikal, the world's largest and most biologically diverse lake, faces the prospect of severe ecological disruption ... Read more...

Posted in Health Science |

Evolution, ecosystems may buffer some species against climate change


March 6th, 2009 - 2:42 pm ICT by ANI
Washington, March 6 (ANI): A new study has suggested that although ecologists expect many species will be harmed by climate change, some species could be buffered by their potential to evolve ... Read more...

Posted in Health Science |

Jackals are disappearing from Nilgiri forests (With Image)


January 25th, 2009 - 10:14 am ICT by IANS
New Delhi, Jan 25 (IANS) Jackals, a protected species, are fast disappearing from Karnataka's southwestern Kodagu region in the Nilgiris. Alarmed conservationists are now starting a study to find out what is ... Read more...

Posted in Uncategorized |

Dark buildings, vehicles, roads act as ecological traps for organisms


January 8th, 2009 - 6:10 pm ICT by ANI
Washington, Jan 8 (ANI): Insects and other creatures can mistake smooth, dark buildings, vehicles and even roads for water, which act as "ecological traps" that jeopardize animal populations and fragile ecosystems, ... Read more...

Posted in Health Science |

Grazing animals can help spread plant disease


December 30th, 2008 - 3:55 pm ICT by ANI
Washington, Dec 30 (ANI): Researchers have discovered that grazing animals such as deer and rabbits can actually help to spread plant disease.Researchers from Oregon State University, Cornell University and the University ... Read more...

Posted in Health Science |

Stunning close up photos reveals planktons complexity


December 22nd, 2008 - 2:31 pm ICT by ANI
London, Dec 22 (ANI): A marine biologist has taken a series of stunning close up photographs of plankton to reveal the tiny creatures complexity.According to a report in the Telegraph, ... Read more...

Posted in Health Science |

Reducing green house emissions better than sinking them


July 12th, 2008 - 5:35 pm ICT by ANI
Canberra, July 12 (ANI): A scientist has suggested that reducing green house emissions is better than trying to sink them into the sea using ocean fertilization.According to a report by ABC ... Read more...

Posted in National |

Antarctic Peninsula is changing fast, thanks to global warming


July 11th, 2008 - 2:04 pm ICT by ANI
Washington, July 11 (ANI): Scientists have determined that the ecosystem of the Antarctic Peninsula is changing fast, driven by warming waters and a loss of sea ice. According to a report in ... Read more...

Posted in National |

Global warming causing significant shift in composition of coastal fish communities


June 28th, 2008 - 2:46 pm ICT by ANI
Washington, June 28 (ANI): A new analysis has revealed that global warming has led to a long-term shift in composition of coastal fish communities.This finding is a result of a detailed ... Read more...

Posted in National |

Global warming raises Russian lakes temp levels by 2 degrees Fahrenheit


June 6th, 2008 - 4:37 pm ICT by ANI
Washington, June 6 (ANI): A research by scientists in Siberia has revealed that Lake Baikal in Russia, which is the worlds deepest, oldest and most voluminous lake, has warmed by more ... Read more...

Posted in Business |

Endangered species can increase extinction risk for other species


May 12th, 2008 - 1:22 pm ICT by admin
Washington, May 12 (ANI): A new study by biologists has determined that an endangered species of flora or fauna may increase the risk of extinction of other species in its ecological ... Read more...

Posted in South Asia |

Environmental conditions in Antarctica were even more severe than seen today


February 17th, 2008 - 2:13 pm ICT by admin
Washington, Feb 17 (ANI): A new report has determined that during the ice ages, the extreme cold and environmental conditions in Antarctica were even more severe than seen today, thus forcing many ... Read more...

Posted in Health Science |

Climate change adversely affecting predators in worlds oceans


December 26th, 2007 - 12:37 pm ICT by admin
Washington, Dec 26 (ANI): Climate change is adversely affecting top predators like sharks, whales, dolphins, tunas, billfish, sea turtles and sea birds in the worlds oceans.All of these species are being affected ... Read more...

Posted in Health Science |

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