Community structure and distribution of benthic cyanobacteria in Antarctic lacustrine microbial mats
نویسندگان
چکیده
منابع مشابه
On the origin of Antarctic marine benthic community structure.
Environmental conditions fostering marine communities around Antarctica differ fundamentally from those in the rest of the world's oceans, particularly in terms of pronounced climatic fluctuations and extreme cold. Here, we argue that the rarity of pelagic larval stages in Antarctic marine benthic invertebrate species is a consequence of evolutionary temperature adaptation and that this has gre...
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*Author for correspondence, e-mail: [email protected] Summary ................................................................................................................................................................000
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We measured in situ photosynthesis of benthic microbial mats at various depths in Lake Hoare, a permanently ice-covered lake of the McMurdo Dry Valleys, Antarctica, using oxygen (O2) microelectrodes. We further investigated the vertical distribution and activity of pigments in the microbial mats using an imaging pulseamplitude-modulated fluorometer. Microbial mats to at least 16.6-m water depth...
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Antarctica harbours a remarkably diverse range of freshwater bodies and terrestrial ecosystems, where microbial mats are considered the most important systems in terms of biomass and metabolic capabilities. We describe the presence of lysis plaque-like macroscopic blighted patches within the predominant microbial mats on Livingston Island (Antarctic Peninsula). Those blighting circles are assoc...
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The Polar Frontal Zone, although predominantly a surface feature, forms a natural northernmost boundary for defining the Southern Ocean, and relatively few benthic organisms have distributions which cross this boundary. Many Antarctic benthic plants and animals have circumpolar distributions but some broad geographical subdivisions may be made. Detailed studies of community distribution are few...
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ژورنال
عنوان ژورنال: FEMS Microbiology Ecology
سال: 2018
ISSN: 1574-6941
DOI: 10.1093/femsec/fiy042