Feral cats are one of the most damaging invasive species for vertebrate communities on islands, according to a study led by the Spanish National Research Council (CSIC). The analyzes reveal that, throughout history, the action of these felines has contributed to the disappearance of at least 14% of extinct vertebrates.
In the Marshall Islands of the Pacific, the world's largest marine park-sanctuary for the protection of sharks has just been created. The sanctuary covers an area of almost 2 million square kilometers of ocean, which is comparable to the territory of Mexico, Indonesia and Saudi Arabia.
A study carried out by scientists from the Census of Marine Life and published in the journal 'PLoS Biology' states that 86 percent of all species on earth and 91 percent of marine species still they have not been discovered, described and cataloged. According to the new calculations, there are an estimated 6.5 million species living on land, while 2.2 million inhabit the depths of the ocean.
Migratory birds with late sexual maturity become sedentary on the islands to avoid extinction of the community. This is the conclusion reached by an international team from the Higher Council for Scientific Research (CSIC) after analyzing more than 500 species of birds from around the world and comparing the behaviors between island and continental birds.
According to the Biodiversity in Spain 2010 report, only 9.4 percent of the animal species in the worst state of conservation have at least one action plan. Which means that more than the remaining 90 percent of the country's endangered species are unprotected.
The international marine conservation organization Oceana has discovered almost 400 meters deep, offshore and covering an area of more than 100,000 m2, a deep white coral reef in the Alboran Sea during the 2011 Oceana Ranger expedition.
After seven months of navigation and 32,000 nautical miles traveled, the oceanographic vessel Hespérides returned to Spain yesterday Thursday, completing the circumnavigation of the Malaspina expedition. The project, led by the CSIC, leaves a legacy of more than 120,000 samples of air, water, gases and plankton from the Atlantic, the Indian Ocean and the Pacific.
Spanish researchers have carried out a study that reveals that global warming is endangering the survival and diversity of Mediterranean butterflies. Common species such as the zebra queen, 'Iphiclides podalirius', could be the most affected.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
