Keisuke Koba

Shiga University — Japan

Agricultural and Biological Sciences · Life Sciences

50h-index7.5kcitations210works2.72yr avg
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Research Topics

Soil Carbon and Nitrogen Dynamics(50), Isotope Analysis in Ecology(47), Groundwater and Isotope Geochemistry(43), Soil and Water Nutrient Dynamics(42), Peatlands and Wetlands Ecology(38)

Publications210 total

Elucidating the isotopic dynamics of nitrate and ammonium in the Fuji River using a Lagrangian approach: stable nitrate and fractionating ammonium
Progress in Earth and Planetary Science·2025· 1 citedOpen Access
Observation of Collective Migration of Vascular Endothelial Cells Exposed to Lipopolysaccharide and Hypoxia
2025· 1 cited
Prevention Is the Best Strategy to Solve Coastal Eutrophication
Environmental Science & Technology·2025· 3 citedOpen Access
Inorganic Nitrogen Nutrition in Boreal Plants Is Underestimated and Insensitive to Environmental Changes
Earth s Future·2025· 1 citedOpen Access
Oxygen isotope fractionation during anaerobic ammonium oxidation by the marine representative <i>Candidatus</i> Scalindua sp.
The ISME Journal·2025Open Access
Unprecedented N <sub>2</sub> O production by nitrate-ammonifying <i>Geobacteraceae</i> with distinctive N <sub>2</sub> O isotopocule signatures
mBio·2024· 10 citedOpen Access
Sequential migrations of diverse fish community provide seasonally prolonged and stable nutrient inputs to a river
Science Advances·2024· 6 citedOpen Access
Trophic niche partitioning and intraspecific variation in food resource use in the genus <scp><i>Pangasianodon</i></scp> in a reservoir revealed by stable isotope analysis of multiple tissues
Journal of Fish Biology·2024· 1 citedOpen Access
Trophic niche partitioning of Mekong giant catfish Pangasianodon gigas in a tropical reservoir: evidence from stable isotope and fatty acid analyses
Limnology·2024· 1 cited
Séroprévalence et facteurs de risques associés à l'hépatite virale B chez les élèves dans le district sanitaire de la Kozah, 2021
Revue d Épidémiologie et de Santé Publique·2023
Striped catfish (Pangasianodon hypophthalmus) exploit food sources across anaerobic decomposition- and primary photosynthetic production-based food chains
Scientific Reports·2023· 3 citedOpen Access
Major contribution of sulfide‐derived sulfur to the benthic food web in a large freshwater lake
Geobiology·2023· 5 citedOpen Access
Perspective: sustainability challenges, opportunities and solutions for long-term ecosystem observations
Philosophical Transactions of the Royal Society B Biological Sciences·2023· 37 citedOpen Access
Multipath ecological influence of an iteroparous fish migration from Lake Biwa to an alluvial stream
Freshwater Biology·2023· 4 citedOpen Access
Fungal root endophytes and their role in carbon to nitrogen exchange with plants
2023Open Access
Revisiting process-based simulations of soil nitrite dynamics: Tighter cycling between nitrite and nitrate than considered previously
Soil Biology and Biochemistry·2023· 11 cited
Missing flux from the ocean: isotope revealed an important NOx flux mediated by microbial processes
National Science Review·2022· 1 citedOpen Access
Natural <scp><sup>15</sup>N</scp> abundance of ammonium and nitrate in soil profiles: New insights into forest ecosystem nitrogen saturation
Ecosphere·2022· 24 citedOpen Access
Retention of deposited ammonium and nitrate and its impact on the global forest carbon sink
Nature Communications·2022· 128 citedOpen Access
Isotopic Elucidation of Microbial Nitrogen Transformations in Forest Soils
Global Biogeochemical Cycles·2021· 17 cited
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Frequent Co-authors

Naohiro Yoshida(10), Yunting Fang(10), Muneoki Yoh(10), Akiko Makabe(9), Nobuhito Ohte(8), Kazuo Isobe(7), Sakae Toyoda(7), Satoru Hobara(7), Keishi Senoo(6), Naoko Tokuchi(6), Shigeto Otsuka(5), Weixing Zhu(5), Xueyan Liu(5), Erik A. Hobbie(5), Feifei Zhu(4), Yu Takebayashi(4), Ayato Kohzu(4), Masanori Katsuyama(4), Yuichi Suwa(4), Junichi Miyazaki(3)