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Full-Text Articles in Life Sciences

Modelling The Future Spread Of Native And Alien Congeneric Species In Subterranean Habitats — The Case Of Meta Cave-Dwelling Spiders In Great Britain, Stefano Mammola Aug 2017

Modelling The Future Spread Of Native And Alien Congeneric Species In Subterranean Habitats — The Case Of Meta Cave-Dwelling Spiders In Great Britain, Stefano Mammola

International Journal of Speleology

The threshold zones between the epigean and hypogean environments are generally characterized by less harsh ecological conditions than deep subterranean habitats, and usually support a greater abundance of organisms. Transitional habitats such as these should be more easily colonised by alien species, especially by those possessing exaptations suitable for subterranean life. In spite of this, few studies have been conducted to unravel the ecological dynamics between native and alien species in the habitats situated at the epigean/hypogean interface. A unique test case is offered by cave-dwelling Meta orb-weaver spiders in Great Britain (Araneae: Tetragnathidae). One species, M. menardi, is …


Floating Algae Blooms In The East China Sea, Lin Qi, Chuanmin Hu, Mengqiu Wang, Shaoling Shang, Cara Wilson Jan 2017

Floating Algae Blooms In The East China Sea, Lin Qi, Chuanmin Hu, Mengqiu Wang, Shaoling Shang, Cara Wilson

Marine Science Faculty Publications

A floating algae bloom in the East China Sea was observed in Moderate Resolution Imaging Spectroradiometer (MODIS) imagery in May 2017. Using satellite imagery from MODIS, Visible Infrared Imaging Radiometer Suite, Geostationary Ocean Color Imager, and Ocean Land Imager, and combined with numerical particle tracing experiments and laboratory experiments, we examined the history of this bloom as well as similar blooms in previous years and attempted to trace the bloom source and identify the algae type. Results suggest that one bloom origin is offshore Zhejiang coast where algae slicks have appeared in satellite imagery almost every February–March since 2012. Following …