Výsledky vyhledávání - "Kazumaro Okamura"

Akademický článek

Horizontal and vertical variations in survival rates of juvenile bivalves, Anadara kagoshimensis (Tokunaga, 1906), Ruditapes philippinarum (Adams & Reeve, 1850) and Atrina sp., experimentally caged in the inner area of the Sea of Ariake, Japan

Autor: Takeo Kurihara, Kazumasa Hashimoto, Shoji Nakano, Yukihiko Matsuyama, Atsushi Ito, Masaei Kanematsu, Kazumaro Okamura

Publikováno v: International Aquatic Research, Vol 10, Iss 4, Pp 349-359 (2018)

Abstract In the inner area of the Sea of Ariake, rearing experiments were conducted to examine how the survival rates of juveniles of three bivalve species (Anadara kagoshimensis, Ruditapes philippinarum, Atrina sp.) vary among sea areas and heights

Externí odkaz: https://doaj.org/article/5d7b9aafd8504959aa5a2c206f2b3a0e

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Comparison of trophic magnification factors of PCBs and PBDEs in Tokyo Bay based on nitrogen isotope ratios in bulk nitrogen and amino acids

Autor: Kazumaro Okamura, Jun Kobayashi, Takeo Sakurai, Katsumasa Yamada, Miki Yoshimoto

Publikováno v: Chemosphere. 226:220-228

Trophic positions (TPs) are key parameters for determining trophic magnification factors (TMFs) of environmental pollutants. We used compound-specific nitrogen isotope analysis of amino acids (CSIA-AA), with which we expected to obtain precise TPs, t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f876db4a5119b23a4d20fcafa9a9679c
https://doi.org/10.1016/j.chemosphere.2019.03.133

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Autor: Shoji Nakano, Atsushi Ito, Takeo Kurihara, Kazumasa Hashimoto, Yukihiko Matsuyama, Kazumaro Okamura, Masaei Kanematsu

Publikováno v: International Aquatic Research, Vol 10, Iss 4, Pp 349-359 (2018)

In the inner area of the Sea of Ariake, rearing experiments were conducted to examine how the survival rates of juveniles of three bivalve species (Anadara kagoshimensis, Ruditapes philippinarum, Atrina sp.) vary among sea areas and heights above the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99bd57fd240c1f89db5a56058c91fa1f
https://doi.org/10.1007/s40071-018-0212-7

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Duration rather than frequency of hypoxia causes mass mortality in ark shells (Anadara kagoshimensis)

Autor: Katsumasa Yamada, Kazumaro Okamura, Tadashi Nakano

Publikováno v: Marine Pollution Bulletin. 125:86-91

Hypoxia is associated with mass mortality in estuaries, but a direct causal relationship has not been proven to date. This study aimed to demonstrate this relationship and to evaluate how the duration of hypoxia affects the survival of ark shells ( A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5620f0d457013249a328ed3a938c3ec7
https://doi.org/10.1016/j.marpolbul.2017.07.073

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Akademický článek

Unique Dispersal of the Changjiang-Diluted Water Plume in the East China Sea Revealed from Satellite Monitoring of Colored Dissolved Organic Matter (CDOM)

Autor: Hiroaki Sasaki, Yasushi Gomi, Takamasa Asai, Masashi Shibata, Yoko Kiyomoto, Kazumaro Okamura, Kou Nishiuchi, Toru Hasegawa, Haruya Yamada

Publikováno v: Terrestrial, Atmospheric and Oceanic Sciences, Vol 25, Iss 2, p 279 (2014)

The optical properties of colored dissolved organic matter (CDOM) in the Changjiang (Yangtze River) plume water were investigated during the summer of 2009 and 2010. The absorption coefficient of CDOM at 325 nm (aCDOM) increased inversely with decrea

Externí odkaz: https://doaj.org/article/c2dbeff59ce74c1e94b9080f1307a4a6

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