scholarly journals Assessment of ecological state of the Posyet Bay (the Sea of Japan) by heavy metals content in brown algae

2017 ◽  
Vol 6 (2) ◽  
pp. 91-95
Author(s):  
Nadezhda Konstantinovna Khristoforova ◽  
Anna Dmitrievna Kobzar
Keyword(s):  
Heavy Metals ◽  
Sea Of Japan ◽  
Coastal Waters ◽  
Atmospheric Transport ◽  
The Sea Of Japan ◽  
High Concentration ◽  
The North ◽  
Recreational Pressure ◽  
North Western ◽  
Sargassum Miyabei

The paper contains the study of heavy metals in three species - Sargassum miyabei , Sargassum pallidum , Cystoseira crassipes in the coastal waters of the Posyet Bay. The analysis of the spatial distribution of trace elements revealed the highest contents of zinc, copper and nickel in the Troitsa Bight, due to recreational pressure and a high concentration of nickel and cadmium in Sivuchya Bight that was caused by transboundary atmospheric transport. All of detected concentrations exceed natural background values for the North-Western part of the Sea of Japan. The authors show that there has been a distinct change in the environmental situation in the the Posyet Bay since 1998: the concentration of lead has sharply decreased, the content of zinc, copper and cadmium has decreased, it could be connected with influence reduction in the free economic zone, located on the Chinese side on the Tumannaya River.

The barnacleBalanus rostratusand its habitats in the north-western part of the Sea of Japan

Ophelia ◽  
1998 ◽  
Vol 49 (1) ◽  
pp. 47-54 ◽  
Author(s):  
Alla V. Silina ◽  
Ida I. Ovsyannikova
Keyword(s):  
Sea Of Japan ◽  
The Sea Of Japan ◽  
The North ◽  
North Western

Distribution and some traits of biology of the elongated sculpin Alcichthys elongatus in the north-western part of the Sea of Japan

2011 ◽  
Vol 51 (3) ◽  
pp. 217-226 ◽  
Author(s):  
V. V. Panchenko ◽  
O. I. Pushchina ◽  
D. V. Antonenko ◽  
S. F. Solomatov ◽  
P. V. Kalchugin
Keyword(s):  
Sea Of Japan ◽  
The Sea Of Japan ◽  
The North ◽  
North Western

scholarly journals MERCURY IN BIOINDICATORS OF THE COASTAL WATERS OF VLADIVOSTOK IN SUMMER 2020

2021 ◽  
Author(s):  
Е.Н. Чернова ◽  
Д.Д. Гредюха ◽  
С.Г. Юрченко
Keyword(s):  
Sea Of Japan ◽  
Coastal Waters ◽  
Littoral Zone ◽  
Dry Weight ◽  
Ulva Lactuca ◽  
Mercury Contamination ◽  
The Sea Of Japan ◽  
Sargassum Pallidum ◽  
Low Concentrations ◽  
Sargassum Miyabei

Определены концентрации ртути в талломах массовых видов водорослей-биоиндикаторов родов Ulva lactuca, Ulvaria splendens, Sargassum miyabei, Sargassum pallidum, из прибрежных вод вокруг г. Владивостока Японского моря за летний период 2020 г. Содержание Hg варьируется от 5,8 до 41,4 нг/г сухой массы. Наибольшая концентрация наблюдается в ульве, отобранной из района бывшего полигона ТБО «Горностай», где ранее отмечались повышенные концентрации Cu, Pb, Fe, Zn. Отмечена тенденция уменьшения концентраций ртути в водорослях с июня по июль, как для ульвы, так и для саргассума. Водоросли вокруг Владивостока содержат очень низкие концентрации ртути и не превышают ПДК промысловых водорослей – 500 нг/г сухой массы. Полученные концентрации соответствуют величине Q1 – 25 процентилю общемировой выборки для зеленых и в основном Q1 для бурых, что говорит об отсутствии загрязнения ртутью литоральной зоны вокруг г. Владивосток в исследуемый период. The concentrations of mercury in mass species of algae - bioindicators of the genera Ulva lactuca, Ulvaria splendens, Sargassum miyabei, Sargassum pallidum, from coastal waters around Vladivostok, the Sea of Japan in summer of 2020 were determined. The Hg concentrations varies from 5.8 to 41.4 ng / g dry weight. The highest concentration is observed in the Ulva, taken from the area of the former landfill "Gornostay", where previously there were increased concentrations of Cu, Pb, Fe, Zn in algae. A tendency of a decrease in mercury concentrations in algae from June to July was noted for both Ulva and Sargassum in connection of atmosphera precipitations decreasing. Algae around Vladivostok contained very low concentrations of mercury and did not exceed the MPC for commercial algae - 500 ng / g dry weight. The obtained concentrations correspond to the value of Q1 - the 25th percentile of the global sample for green algae and mainly Q1 for brown ones, which indicates the absence of mercury contamination of the littoral zone around Vladivostok during the study period.

On occurrence and biology of Berg wrymouth Cryptacanthodes bergi (Cryptacanthodidae) in the north-western part of the Sea of Japan

2011 ◽  
Vol 51 (2) ◽  
pp. 173-177 ◽  
Author(s):  
D. V. Antonenko ◽  
S. F. Solomatov ◽  
V. V. Panchenko
Keyword(s):  
Sea Of Japan ◽  
The Sea Of Japan ◽  
The North ◽  
North Western

Cryptic diversity of the rocky crab genus Glebocarcinus Nations, 1975 (Crustacea: Decapoda: Cancridae): description of a new species from Russian coastal waters of the Sea of Japan based on morphology, DNA and distribution

Zootaxa ◽  
2018 ◽  
Vol 4415 (3) ◽  
pp. 473
Author(s):  
IVAN N. MARIN ◽  
ANASTASSYA S. MAIOROVA ◽  
OLGA M. KORN
Keyword(s):  
New Species ◽  
Sea Of Japan ◽  
Coastal Waters ◽  
New Records ◽  
Dorsal Surface ◽  
Coi Gene ◽  
The Sea Of Japan ◽  
The North ◽  
Rock Crab ◽  
A New Species

A new cancrid crab species Glebocarcinus kashini sp. nov. (Decapoda: Brachyura: Cancridae) is described from Russian coastal waters of the Sea of Japan. The new species can be clearly separated from relative and sibling, Glebocarcinus amphioetus (Rathbun, 1898), by a less prominent and granulated dorsal surface of the carapace and dorsal surface of the cheliped propodus, less prominent sculpture of the carapace front and bluntly triangular anterolateral teeth of the carapace. Comparison of COI gene sequences supports the subdivision of these two species and shows their clear genetic separation from a related species, the American pygmy rock crab, G. oregonensis (Dana, 1852). Along the mainland coast of the Sea of Japan, G. kashini and G. amphioetus possibly overlap only in Posyet Bay and adjacent areas; the new species is distributed to the north from the bay while G. amphioetus is distributed to the south. Previous and new records of G. amphioetus from the area are discussed.

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