نتایج جستجو برای: polychaeta
تعداد نتایج: 1020 فیلتر نتایج به سال:
To the memory of William Ronald Sendall Sternaspid polychaetes are common and often abundant in soft bottoms in the world oceans. Some authors suggest that only one species should be recognized, whereas others regard a few species as widely distributed in many seas and variable depths from the low intertidal to about 4400 m. There are some problems with species delineation and the distinctive v...
Biodiversity and structure of the benthic macrofauna communities were studied in the southeast the Caspian Sea (Golestan Province – Iran) during one year from October 2014 to September 2015. Seasonal samplings were done at 6 stations in 3 transects. Depth, temperature, salinity, pH, E.C., total organic matter and grain size were measured. More than 4,037 individuals belonging to five orders, Po...
Abstract The oyster culture has the incrusting organism as problem for production, in this context, it evaluated biological control against and sediments introduction of gastropod Tegula atra (Lesson, 1830) Chilean oysters (Triostrea chilensis Phillippi, 1844) cultures conditions starvation presence absence located floating cages bottom cultures. predation mechanic effect on T. grazing generate...
As a result of processing materials from the expeditions Saint-Petersburg State University in 2012–2013 and Transarctic expedition 2019, 131 polychaete taxa were recorded, which 124 identified to species. On basis data previous recent collections, general list polychaetes Kara Sea was updated; it includes 209 species belonging 98 genera, 37 families, 15 orders. The following are reported for fi...
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