Proceedings of the Russia-China Bilateral Symposium on Marine Ecosystems under Global Change in the Northwest Pacific, Vladivostok, Russia, 8–9 October 2012. Proceedings of the Russia-China Bilateral Symposium on Marine Ecosystems under Global Change in the Northwest Pacific at A.V.
The joint Russian-German deep-sea research
Malyutina 1 , Angelika Brandt 2
Results
The results confirm that the deep-sea fauna of the Sea of Japan consists mainly of eurybate species. However, almost all taxa studied include some true abyssal species that have already successfully colonized the young deep-sea environments of the Sea of Japan.
The fauna found in the adjacent Kurile-Kamchatka trench has been described in many publications, for example data on 660 species have been published in two volumes of the transactions P.P. Nevertheless, Birstein (1971) noted that large fractions of the fauna were probably not sampled because of inappropriate sampling equipment and methods used for sieving and washing; and thus the true deep sea biodiversity has only been partially studied.
Study of the intertidal biota of the Far Eastern seas of Russia
The largest number of benthic species is found in the water of the White Sea with a salinity of 26 to 29‰. The list of animals, plants and fungi of the intertidal zone of the Far Eastern Sea of Russia.
Planktonic ciliates
The prominent feature of this species is the duckbill shape at the aboral end of the lorica, which differs from all other known species. Ecological conditions of Amursky and Ussuriysky bays of the Sea of Japan and of the rivers flowing into them.
Ecological conditions of Amursky and Ussuriysky bays of the Sea of Japan and of the rivers flowing into them
Biological test of sea pollution with sea urchin eggs, an attempt to increase accuracy // Publications of the Seto Marine Biological Laboratory. Biological test of sea pollution with sea urchin eggs, an attempt to increase the sensitivity // Publications of the marine biological laboratory Seto.
Soft bottom macrobenthos
Widely distributed in the southwestern part of Peter the Great Bay, these species have been reported to dominate Possjet Bay (Klimova, 1980) and were previously recorded in the waters of the Far East Marine Biosphere Reserve (Ozolinsh, 2002). This is slightly higher compared to the areas of soft-bottom dominance in northern latitudes (in the area of Spitsbergen and the North Sea) and closer to the values of this index for the bays and bays of the South China Sea and the Northeast Sea. coast of Australia, as well as Troitsa Bay (0.9) in Peter the Great Bay (Galysheva, Khristoforova, 2008).
Acknowledgements
The high percentage (58.8%) of echinoderms in the Cape Ostrovok Falshyvyi area is probably due to the presence of less muddy sand with an admixture of shell debris. The most likely factors determining the distribution of soft-bottom benthos are sediment type and depth/temperature.
Spatio-temporal variations in planktonic and benthic communities in hypoxic zone
The benthic ciliate abundance in the upper 8 cm of sediments was about 30 times higher and the biomass was 40 times higher than that in the water column of the upper 30 meters of the Yangtze River estuary and the East China Sea. Heterotrophic microflagellates were barely detected in the pelagic ecosystem, but were very abundant in sediments with an abundance greater than that of the total benthic ciliates and meiobenthos.
The study of deep-sea meiofauna
Materials and Methods
Nematodes were the most abundant and their contribution to the total meiofauna density was 69.5%, the second taxon was Harpacticoids which accounted for 12% of the total density. Nematodes dominated 61.3%, the second group in density was harpacticoid copepods - 6.9%, in pseudomeiobenthos predominant Polychaeta, which made up 23.4% of the total abundance.
Discussion
A multiple-scale analysis of metazoan meiofaunal distribution in the deep Mediterranean Sea // Deep-sea research I. Deep-sea species richness: regional and local diversity estimates from quantitative bottom samples // American Naturalist.
Long-term monitoring of phytoplankton in coastal waters off Vladivostok Сity
Results and Discussion
The abundance and density of the dominant species varied during the summer monitoring period. It is well known that a significant increase in the density of the flagellate component of phytoplankton has been observed in other eutrophic waters.
Acknowledgments
Euglenophytes formed the phytoplankton density peak in 2005, and raphidophytes formed a distinct phytoplankton bloom in 2010 (see figure). 2004. Seasonal dynamics of diatoms of the genus Chaetoceros Ehrenberg in the Amur Gulf, Sea of Japan // Biologiya Morya, Vladivostok.
Resting stages of planktonic microalgae in recent marine sediments
Dinoflagellates of the genera Alexandrium and Gymnodinium are known producers of paralytic toxins (saxitoxin and its analogues), and Protoceratium reticulatum is a yessotoxin-producing species. Cysts of toxic species of the genus Alexandrium were widespread in the surface sediments of the investigated area (the Bering Sea, Kamchatka, Sakhalin Island and Primorye), their total density varied from 0 to 5994 cells/cm3.
Conclusions and Summary
Spatial and temporal change
Intertidal macrophytes on the Sea of Okhotsk coast of Shikotan Island (southern Kuril Islands)
Butov 1 , Irina R. Levenets 2
Zonal biogeographical analysis indicates the boreal character of intertidal flora of the Sea of Okhotsk Shikotan Island coast due to the predominance of boreal (61%) and widespread (24%) species (Fig. 4). Phytogeographic structure of the coastal flora of Shikotan Island: A – Sea of Okhotsk coast, B – Pacific coast.
Meiofaunal communities
Percentage composition of the main taxonomic groups of the meiofauna in Nakhodka Bay (A) and off Reineke Island (B). Meiofauna of fouling communities on mollusk aquaculture cages, Peter the Great Bay, Sea of Japan // The Present-day State of Aquatic Bioresources: Proceedings of the International Conference.
Advance of the study on the macrobenthos from the Yellow Sea and East China Sea
Advancing the study of the macrobenthos of the Yellow Sea and East China Sea. The values of the biomass and amount of macrobenthos from different areas in the East China Sea were very different as well as in the Yellow Sea.
Comparison of lipid biochemical diversity of corals and hydrocorals from the Okhotsk Sea
Tropical zooxanthellate soft corals, (○) tropical zooxanthellate soft corals, (▲) tropical reef-building corals, (□) cold-water soft corals, (∆) cold-water hydrocorals. On the contrary, FA composition of the cold-water coral species differed strongly from that of tropical azooxanthellate soft corals.
Acknowledgment
Phylogeography and population genetic structure
The population genetic structure of freshwater T. sachalinensis is evident, with the interpopulation component of its mtDNA variation comprising approx. Genetic analysis reveals a mysterious species in the Far Eastern fir from the genus Tribolodon // Doklady Akademii Nauk.
Filamentous fungi associated with
Distribution of filamentous fungi on the shell surface and in the internal organs of the giant oyster Crassostrea gigas. Mycobiota of the giant oyster Crassostrea gigas (Thunberg, 1787) (Bivalvia) from the Peter the Great Bay of the Sea of Japan // Microbiology.
The changes of macrobenthic community structure in the Jiaozhou Bay (Yellow Sea) in the past 30 years
In recent survey trips, Branchiostoma belcheri tsingtauense disappeared at the station near the mouth of the bay. Temnopleurus toreumaticus-Amphioplus japonica communities distributed in the central part of the bay, but they disappeared in recent cruises.
Biology and taxonomy of Spionidae, one of the largest groups of the polychaetous annelids (Annelida)
Biology and taxonomy of Spionidae, one of the largest groups of the polychaetous annelids (Annelida).
Radashevsky 1, 2
The morphology, ecology, reproductive biology and phylogeny of the Spionidae have been the object of the author's worldwide studies for more than 30 years (see Radashevsky, 2012). The identification key to spionid genera occurring in Peter the Great Bay is given below and some representatives of the family are shown in the figure.
List of genera of Spionidae reported from or likely to be found in Peter the Great Bay
Two spionids, Polydora cornuta Bosc, 1802 and Polydora limicola Annenkova, 1934, were introduced to Peter the Great Bay by pollution from ships and ballast water, while Pseudopolydora achaeta Radashevsky & Hsieh, 2000 enters the bay with warm water currents from the south (Zetvginyats al., 2011). List of genera of Spionidae reported from or likely to be found in Peter the Great Bay.
Key to genera of Spionidae reported from or likely to be found in Peter the Great Bay
Spionid polychaetes from Peter the Great Bay of the Sea of Japan (East Sea), anterior margins of adult worms, all in dorsal view with palps absent (except right palp present in C). Larval development of the polychaete Pseudopolydora kempi japonica in Peter the Great Bay of the Sea of Japan // Biologiya Morya (Vladivostok).
A preliminary analysis on the polychaete fauna of the deep Sea of Japan
Material and Methods
Among the species identified, 12 are new to the polychaete fauna of the Sea of Japan: Chaetozone cf. This result is similar to that reported by Levenstein (1969) from the deep sea of the Sea of Japan.
Techniques and applications for the investigation of marine microbenthos and Foraminifera
Species richness of bivalve molluscs in four areas of the continental coast of the Sea of Japan. Catalog of the Living Bivalvia of the Continental Coast of the Sea of Japan (Baltic Sea).
Amphipod distribution off the oil-and-gas platform Moliqpak on the shelf of northeastern Sakhalin (Okhotsk Sea)
The spatial and quantitative distribution of amphipods in the region of the oil and gas platform Moliqpak. The abundance and distribution of free-living marine nematodes of the Piltun-Astokhskoye oil and gas field (North-East Sakhalin) // Russian Journal of Nematology.
A preliminary analysis of the Cumacea fauna (Crustacea, Peracarida) from deep water basin
Lavrenteva¹, Ludmila A. Tzareva²
Areas and biocenoses of Peter the Great Bay (Sea of Japan) // Sbornik, Posvyaschennyi Nauchnoi Deyatelnosti N.M. New species of Cumacea (Malacostraca, Peracarida) from the deep-water area of the Sea of Japan (collections of the 52nd cruise from the R/V “Vityaz Zootaxa.
Biodiversity of anomuran crabs in North China and the Pacific seas of Russia
Dermaturus mandtii Brandt, 1850 Hapalogaster dentata (De Haan, 1849) Oedignathus inermis (Stimpson, 1860) Hapalogaster grebnitzkii Schalfeew, 1892 Lithodes aequispinus Benedict, 1895 Ben9 Lithodes, cohodes1895 brevedicte1895. Pachycheles stevensii Stimpson, 1858 Pisidia serratifrons (Stimpson, 1858) Polyonyx sinensis Stimpson, 1858 Porcellana pulchra Stimpson, 1858 Raphidopus ciliatus Stimpson, 1858.
Modern benthic Foraminifera in the area around Zhitkova Peninsula
Peter the Great Bay, Sea of Japan)
The taxonomic composition and abundance of the fauna differed in the Žitkova Bay, the Paris Bay and the water area located outside the peninsula. Data on benthic foraminifera communities indicate favorable ecological conditions in the coastal ecosystem of the area around the Žitkova peninsula.
Intraspecific male gamete diversity in the mussels Crenomytilus grayanus and Mytilus trossulus;
However, these spermatozoa differ from each other in terms of the nucleus and acrosomes. Ultrastructure of dimorphic sperm and seminal receptacle in the hermaphrodites Barrimysia siphonosomae and Pseudopythina ochetostomae (Bivalvia, Galeommatoidea).
Introduction to the China Jellyfish Project –
Eight institutions are involved in this project, including Institute of Oceanology, Chinese Academy of Sciences, Ocean University of China, Xiamen University, Yellow Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Tianjin University of Science and Technology, National Marine Environment Forecasting Center, Jinan University and Liaoning Ocean &. Based on the synthesis and integration of the historical data, scientists will combine mesocosm experiments of different scales, field survey and ecological model to reveal the underlying mechanism of jellyfish bloom in China's coastal waters and the ecological consequences.
Bivalve pinnid populations in the western South China Sea
Silina
In the population living on the shores of the An Thoi archipelago, the total wet weight of A. Due to the growth of the tourism industry in the studied part of the Gulf of Thailand, especially on Phu Quoc Island, the pinnid populations living near the shores of Phu Quoc Island and the adjacent An Thoi Archipelago are the most at risk.
Stonik
Blooms of Pseudo-nitzschia and domoic acid producers from the Amur Gulf, NW East/Japan Sea. Distribution, abundance, and domoic acid analysis of the toxic diatom Pseudo-nitzschia from the Chesapeake Bay // Estuary and Coasts.
Gamete morphology and evolution of reproductive biology in Spionidae, one of the most diverse groups
C–E – Aonides oxycephala: C, longitudinal section through sperm; D, longitudinal section showing the five layers in the complex acrosome of the spermatozoon; E, longitudinal section through a mid-stage spermatid with a three-layered trapezoidal acrosomal vesicle in the distal part of the cell; nucleoplasm reduced to small areas scattered within condensed chromatin. L–N – spermatozoon of Dipolydora commensalis: L, longitudinal section through the acrosome and the anterior part of the nucleus; M, longitudinal section through the posterior part of the nucleus and the anterior part of the middle; N, longitudinal section through posterior part of centrum and flagellum. O – Spiophanes uschakowi spermatozoon, longitudinal section.
The distribution and biodiversity of benthic Harpacticoida (Copepoda) in Jiaozhou Bay, Yellow Sea
The number of benthic Harpacticoida in all stations of the Jiaozhou Bay (August and September, 2011). The abundance of benthic Harpacticoida in all stations of the Jiaozhou Bay (August and September, 2011).
Spawning desynchronization in populations of the sea urchin Strongylocentrotus intermedius
The aim of this study was to reveal the timing of spawning in sea urchin populations S. Reproductive characteristics of sea urchin Strongylocentrotus intermedius populations in the Northwest Sea of Japan.
Distribution and ecological morphs of northwestern Pacific gastropod
Molluscs of the Possjet Bay (Sea of Japan) and their ecology // Proceedings of the Zoological Institute of the Academy of Sciences of the USSR. Shellfish and bivalves on the southern Sakhalin shelf and their ecology // Issledovaniya Fauny Morei.
Study of population genetic diversity and structure of cultivated and wild Saccharina japonica
Laminariales, Phaeophyta) with SSR markers system
Much wider and thicker leaves; narrower leaf edge shorter stem; much stronger rhizoid; high resistance; and high yield. Much longer, wider and thicker leaves; much stronger rhizoid; strong resistance to high temperatures; and high yield.
Genetic and ecomorphological aspects of determining morphologically distinct forms of
Collection sites of Undaria pinnatifida in Peter the Great Bay: 1 – Lazurnaya Bay, 2 – Engelm Island, 3 – Daragan Shoal, 4 – Cape Mikhelsona, 5 – Cape Butakova. Biology and ecology of Undaria pinnatifida (Phaeophyta) in Peter the Great Bay in the Sea of Japan // Modern state of aquatic biological resources: material of the scientific conference dedicated to the 70th anniversary of S.M.