نتایج جستجو برای: calcareous algae

تعداد نتایج: 22380  

2016
Dimitra Mavraki Lucia Fanini Marilena Tsompanou Vasilis Gerovasileiou Stamatina Nikolopoulou Eva Chatzinikolaou Wanda Plaitis Sarah Faulwetter

BACKGROUND This article describes the digitization of a series of historical datasets based οn the reports of the 1908-1910 Danish Oceanographical Expeditions to the Mediterranean and adjacent seas. All station and sampling metadata as well as biodiversity data regarding calcareous rhodophytes, pelagic polychaetes, and fish (families Engraulidae and Clupeidae) obtained during these expeditions ...

Journal: :Journal of the Faculty of Agriculture, Kyushu University 1948

Journal: :دیرینه شناسی 0
لیلی فاتح بهاری محمد حسین محمودی قرایی

the upper cretaceous carbonate sequence of ab-deraz formation is well exposed in the kopet- dagh basin. this formation comprises marly limestone and three chalky limestone units. chalky limestone of ab-deraz formation is mainly composed of calcareous dinoflagellate (pithonellid calcispher), cocolithofore and planktonic foraminifera. carbon and oxygen stable isotopes analysis of the third chalky...

2011
Felix Schlagintweit

The present paper compiles an up-to-date taxonomic inventory of dasycladalean green algae of the KimmeridgianEarly Berriasian Plassen Carbonate Platform and their resediments in basinal sediments (e.g., Barmstein Limestone, Sillenkopf Formation) of the Northern Calcareous Alps of Austria (p.p. Germany). Today, the Plassen Carbonate Platform sensu lato (or Plassen Group) is divided into three in...

2017
David K. Watkins G. Villa

Fossil specimens of the exclusively oceanic calcareous nannoplankton were found only in the upper 200 m of the Cape Roberts Project 3 (CRP-3) cores. These assemblages are depauperate and sporadic in occurrence. The majority of the assemblages contain fewer than 4 species, indicating a severe palaeoecological restriction. The clear domination of these assemblages by reticulofenestrid species, co...

Journal: :Current Biology 2014
Bob Steneck

Bob Steneck is professor of marine biology, oceanography and marine policy in University of Maine’s School of Marine Sciences. He is a marine ecologist whose ‘laboratories’ include coral reefs in the Caribbean and Indopacific oceans and kelp forests of the North Atlantic and North Pacific Oceans. He has published over 150 scientific papers on topics including lobsters, sea urchins, fish, corals...

Journal: :geopersia 2011
morteza taherpour khalilabad ali asghar aryaei alireza ashouri abbas ghaderi

a stratigraphic section from the tirgan formation was selected in arkan village nearby bojnourd city in order to study echinoderm fauna systematically. many specimens of echinoderms, especially toxasteridae which is associated with brachiopods were collected and studied systematically in this paper. microscopie slides were also prepared and studied. all slides contain benthic foraminifers and c...

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