Tag Archives: isolation

The secrets of Russia’s Sea of Okhotsk – nearly 500 species discovered 

… similarity between species of deep-water fauna in the southeastern part of the Kuril Basin and that of the adjacent Pacific Ocean. “This is amazing because Pacific Ocean fauna is ancient, evolving in the course of millions of years,” explained Malyutina. “The Far Eastern deep-water basins are relatively young and have a complex geological history, with periods of glaciation and complete isolation.” Research was made at a depth of 3,500-6,000 meters, where there is no …

Study Says Amazon Biodiversity Faces New Adversary: Hydroelectric Dams : SCIENCE : Tech Times

… using high-quality satellite images of plants in the islands. The findings of the study published in PLOS ONE show that there is an indication of massive loss of animals on the islands after 26 years of isolation, even in the midst of extreme protection measures employed by the biggest biological reserve in Brazil. To continue reading this article, please click on this link: Source: Study Says Amazon Biodiversity Faces New Adversary: Hydroelectric Dams : SCIENCE : Tech Times …

New perspectives on how ecological communities are assembled | MSUToday | Michigan State University

… Ecology and Evolution, and together they have come up with a new way to think about how evolution and ecology interact in community assembly. The MSU team is suggesting that a stronger focus should be placed on how species that evolved in in isolation eventually move across the landscape and can coexist in the same region, and the feedbacks between local and regional processes. Only then, they argue, can we fully understand community development and the importance of dynamic species pools. “We …

This Jay Is Evolving in a Very, Very Weird Way | WIRED

… specialized bill shapes. Yet the two varieties of island scrub jay (they haven’t technically speciated—yet) live on the same tiny island. If they wanted to meet each other for a brunch of acorns and/or pine nuts and perhaps later some mating, they could just fly right over. This is very, very weird. It’s an affront to a sacred tenet of evolution you probably learned in school: isolation drives speciation. Well, speciation can also come about in a broadly distributed population, with …

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