An expedition led by the Instituto de Ciencia y Tecnología Ambientales de la Universidad Autónoma de Barcelona (ICTA-UAB) presented new evidence of growth temperature y flour desalination del océano Arcticcomo consecuencia de la 'atlantificación'. As ICTA-UAB oceanographer and scientific leader of the campaign Patrizia Ziverin explains, this is a phenomenon that is “changing marine ecosystems and species distributions in the Arctic”.
“Atlantificación” is a process that involves it Progressive invasion of Atlantic waters As a result of increasing desertification in the Arctic Ocean glacier give a reason climate change. This phenomenon alters primary and secondary productivity, opening the door to the most temperate latitude species. amplien su habitat hacia el norte. This creates great competition between species for food and exacerbates arctic species depression.
The project is based on evidence of damage Biodiversity Marina represents one of them amenazas más graves for the oceans. Sin embargo, la major parte de los conocimientos comes only macrogroups species and animals of large size.
Anthropogenic climate change and environmental degradation are occurring Efectos is excitingsuch as ocean warming, acidification, stratification and deoxygenation affecting small plankton and fish. Humanity is not needed clara dependencia de los océanos.
Details of the expedition
The international expedition Biodiversidad Global de Calcificadores Planctónicos Marines (BIOCAL) collected samples to study changes in marine biodiversity.l analisis de organismes planktonicos calcificadoresIt helps regulate atmospheric carbon dioxide (CO2) and seawater chemistry. These organisms are formed caparazones de carbonato calcico And they are particularly vulnerable to ocean acidification and climate change.
Oceanographic research vessel last August and September Sarmiento de Gamboa navigated Vigo to ReykjavikEn la expedición se recogieron, passing through the archipelagos of the Azores (subtropical zone) and Svalbard (polar zone) to prepare samples in the North Atlantic Ocean and the South Arctic water and sediment samples Special attention is paid to experiments and biogeographic marinas and carbon dioxide, plankton calcification for biodiversity assessment.
The fact of conducting research in regions of different latitudes, from the warmest waters of the Atlantic to the coldest waters of the Arctic, allowed the scientific team. Evidence for the impact of 'Atlantification' in physical and chemical properties of water and pelagic ecosystems.
To participate in the expedition multidisciplinary scientific team ICTA-UAB was founded by experts in oceanography, biology, geology, and environmental and social sciences from various countries, from the Scripps Institution of Oceanography, the University of Oxford, and Rowan University.
Research group ICTA-UAB's Biogeociencias Marine y Ambiental (MERS) organized and managed this campaign together with MERS member Patrizia Ziveri, Michaël Grelaud, Stephanie Birnstiel, Arturo Lucas, Thais Peixoto Macedo, Athina Kekelou and Fernando Ruiz and Meryem. Upson is a student at Utrecht University.
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