Search Results - "Yoshimizu, Chikage"

Segmental isotope analysis of the vertebral centrum reveals the spatiotemporal population structure of adult Japanese flounder Paralichthys olivaceus in Sendai Bay, Japan by Kato, Yoshikazu, Togashi, Hiroyuki, Kurita, Yutaka, Osada, Yutaka, Amano, Yosuke, Yoshimizu, Chikage, Kamauchi, Hiromitsu, Tayasu, Ichiro

“…To identify the origin of various fishes and reconstruct their migration history at the individual level, isotope analysis is a powerful alternative to…”
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Evaluation of origin-depended nitrogen input through atmospheric deposition and its effect on primary production in coastal areas of western Kyusyu, Japan by Umezawa, Yu, Toyoshima, Kanae, Saitoh, Yu, Takeda, Shigenobu, Tamura, Kei, Tamaya, Chiaki, Yamaguchi, Akira, Yoshimizu, Chikage, Tayasu, Ichiro, Kawamoto, Kazuaki

“…Long term monitoring of atmospheric wet and dry depositions and associated nutrients fluxes was conducted on the coast of Japan facing the East China Sea…”
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Otolith isotopic characterization as a nursery habitat indicator for stone flounder Platichthys bicoloratus by Amano, Yosuke, Otake, Tsuguo, Togashi, Hiroyuki, Wada, Toshihiro, Kasai, Akihide, Kato, Yoshikazu, Yoshimizu, Chikage, Tayasu, Ichiro, Kurita, Yutaka, Shirai, Kotaro

“…Both estuarine and exposed inshore areas along the open coast have been known as important nursery grounds for some flatfish species belonging stone flounder…”
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Paleovegetation dynamics in an alternative stable states landscape in the montane Western Ghats, India by Ramya Bala, Prabhakaran, Pullyottum Kavil, Sarath, Tayasu, Ichiro, Yoshimizu, Chikage, Thirumalai, Kaustubh, Sajeev, Krishnan, Sukumar, Raman

“…Peat deposits (>50 ka) in the montane Nilgiris (Western Ghats, India), have been central to the reconstruction of late Quaternary paleoclimate using…”
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Using food network unfolding to evaluate food–web complexity in terms of biodiversity: theory and applications by Kato, Yoshikazu, Kondoh, Michio, Ishikawa, Naoto F., Togashi, Hiroyuki, Kohmatsu, Yukihiro, Yoshimura, Mayumi, Yoshimizu, Chikage, Haraguchi, Takashi F., Osada, Yutaka, Ohte, Nobuhito, Tokuchi, Naoko, Okuda, Noboru, Miki, Takeshi, Tayasu, Ichiro, Jordan, Ferenc

“…Food–web complexity often hinders disentangling functionally relevant aspects of food–web structure and its relationships to biodiversity. Here, we present a…”
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Multiple isotope (H, O, N, S and Sr) approach elucidates complex pollution causes in the shallow groundwaters of the Taipei urban area by Hosono, Takahiro, Wang, Chung-Ho, Umezawa, Yu, Nakano, Takanori, Onodera, Shin-ichi, Nagata, Toshi, Yoshimizu, Chikage, Tayasu, Ichiro, Taniguchi, Makoto

“…► The status of urban groundwater environment was investigated in the Taipei Basin. ► The multiple stable isotope ratios ( δ D H 2 O and δ 18 O H 2 O , δ 15 N…”
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Terrestrial‐aquatic linkage in stream food webs along a forest chronosequence: multi‐isotopic evidence by Ishikawa, Naoto F., Togashi, Hiroyuki, Kato, Yoshikazu, Yoshimura, Mayumi, Kohmatsu, Yukihiro, Yoshimizu, Chikage, Ogawa, Nanako O., Ohte, Nobuhito, Tokuchi, Naoko, Ohkouchi, Naohiko, Tayasu, Ichiro

“…Long‐term monitoring of ecosystem succession provides baseline data for conservation and management, as well as for understanding the dynamics of underlying…”
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Evaluation of surface runoff and road dust as sources of nitrogen using nitrate isotopic composition by Kojima, Keisuke, Murakami, Michio, Yoshimizu, Chikage, Tayasu, Ichiro, Nagata, Toshi, Furumai, Hiroaki

“…► We evaluated the nitrogen sources in surface runoff using nitrate isotopes. ► There were no large differences between the δ15N–NO3 in runoff and rainwater. ►…”
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Sources of nitrate and ammonium contamination in groundwater under developing Asian megacities by Umezawa, Yu, Hosono, Takahiro, Onodera, Shin-ichi, Siringan, Fernando, Buapeng, Somkid, Delinom, Robert, Yoshimizu, Chikage, Tayasu, Ichiro, Nagata, Toshi, Taniguchi, Makoto

“…The status of nitrate (NO 3 −), nitrite (NO 2 −) and ammonium (NH 4 +) contamination in the water systems, and the mechanisms controlling their sources,…”
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Investigation of inter-annual variation in the feeding habits of Japanese sardine (Sardinops melanostictus) and mackerels (Scomber spp.) in the Western North Pacific based on bulk and amino acid stable isotopes by Ohno, Yosuke, Umezawa, Yu, Okunishi, Takeshi, Yukami, Ryuji, Kamimura, Yasuhiro, Yoshimizu, Chikage, Tayasu, Ichiro

“…Inter-annual variation in the feeding habits and food sources of Japanese sardine and mackerel at age-0 and age-1+ caught in the Kuroshio-Oyashio transition…”
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Biogeochemical control on fluorescent dissolved organic matter dynamics in a large freshwater lake (Lake Biwa, Japan) by Thottathil, Shoji D., Hayakawa, Kazuhide, Hodoki, Yoshikuni, Yoshimizu, Chikage, Kobayashi, Yuki, Nakano, Shin-ichi

“…The dynamics of fluorescent dissolved organic matter (FDOM) in the large monomictic freshwater Lake Biwa (surface area 675 km², maximum depth 104 m) was…”
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Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan: Controlling factors revealed by nitrogen and oxygen isotope values by Ohte, Nobuhito, Tayasu, Ichiro, Kohzu, Ayato, Yoshimizu, Chikage, Osaka, Ken'ichi, Makabe, Akiko, Koba, Keisuke, Yoshida, Naohiro, Nagata, Toshi

“…To clarify the pathways and origins of dissolved nitrate (NO3−) in rivers flowing into Lake Biwa, Japan, three types of coordinated surveys of concentrations…”
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Influence of isotope fractionation on the nitrogen isotope composition of the brown macroalga Undaria pinnatifida by Endo, Hikaru, Fukuda, Hideki, Takahashi, Daisuke, Okumura, Yutaka, Inomata, Eri, Ito, Kinuko, Yoshimizu, Chikage, Tayasu, Ichiro, Nagata, Toshi

“…SUMMARY Although the stable nitrogen isotope ratio (δ15N value) of macroalgae is used to indicate sources of dissolved inorganic nitrogen in coastal marine…”
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Effectiveness of preservatives and poisons on sediment trap material in freshwater environments by Goto, Naoshige, Hisamatsu, Kento, Yoshimizu, Chikage, Ban, Syuhei

“…To estimate the effectiveness of preservative/poisons on sediment trap material in freshwater environments, we measured the ratio of particulate organic matter…”
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Evaluation of wastewater nitrogen transformation in a natural wetland (Ulaanbaatar, Mongolia) using dual-isotope analysis of nitrate by Itoh, Masayuki, Takemon, Yasuhiro, Makabe, Akiko, Yoshimizu, Chikage, Kohzu, Ayato, Ohte, Nobuhito, Tumurskh, Dashzeveg, Tayasu, Ichiro, Yoshida, Naohiro, Nagata, Toshi

“…The Tuul River, which provides water for the daily needs of many residents of Ulaanbaatar, Mongolia, has been increasingly polluted by wastewater from the…”
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Vulnerability of a large monomictic lake (Lake Biwa) to warm winter event by Yoshimizu, Chikage, Yoshiyama, Kohei, Tayasu, Ichiro, Koitabashi, Tadatoshi, Nagata, Toshi

“…Detailed cross-sectional temperature and oxygen distributions during winter were examined over 5 years (2003-2007) in large, warm, monomictic Lake Biwa. The…”
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Erratum to “Sources of nitrate and ammonium contamination in groundwater under developing Asian megacities” by Umezawa, Yu, Hosono, Takahiro, Onodera, Shin-ichi, Siringan, Fernando, Buapeng, Somkid, Delinom, Robert, Yoshimizu, Chikage, Tayasu, Ichiro, Nagata, Toshi, Taniguchi, Makoto

“…The status of nitrate (NO 3 −), nitrite (NO 2 −) and ammonium (NH 4 +) contamination in the water systems, and the mechanisms controlling their sources,…”
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Use of Stable Nitrogen Isotope Signatures of Riparian Macrophytes As an Indicator of Anthropogenic N Inputs to River Ecosystems by Kohzu, Ayato, Miyajima, Toshihiro, Tayasu, Ichiro, Yoshimizu, Chikage, Hyodo, Fujio, Matsui, Kiyoshi, Nakano, Takanori, Wada, Eitaro, Fujita, Noboru, Nagata, Toshi

“…Deterioration of aquatic ecosystems resulting from enhanced anthropogenic N loading has become an issue of increasing concern worldwide, and methods are needed…”
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Differences in Stream Water Nitrate Concentrations between a Nitrogen-Saturated Upland Forest and a Downstream Mixed Land Use River Basin by Shinozuka, Ken’ichi, Chiwa, Masaaki, Tayasu, Ichiro, Yoshimizu, Chikage, Otsuki, Kyoichi, Kume, Atsushi

“…Nitrogen (N) saturation of upland forests has been assumed to be a substantial N source downstream. However, removal processes of N, including assimilation and…”
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Autochthonous origin of semi-labile dissolved organic carbon in a large monomictic lake (Lake Biwa): carbon stable isotopic evidence by Maki, Koh, Kim, Chulgoo, Yoshimizu, Chikage, Tayasu, Ichiro, Miyajima, Toshihiro, Nagata, Toshi

“…Semi-labile dissolved organic carbon (DOC) plays an important role in the transport and hypolimnetic remineralization of carbon in large freshwater lakes…”
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