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Hiroshi Hakoyama

Explore the profile of Hiroshi Hakoyama including associated specialties, affiliations and a list of published articles. Areas
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Citations 9
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Recent Articles
1.
Cera A, Kodama S, Faulks L, Hakoyama H
Aquat Toxicol . 2025 Mar; 282:107311. PMID: 40058301
This study provides an ecotoxicological assessment of the effects of the neonicotinoid dinotefuran on freshwater microorganisms. Epilithic biofilm was sampled from a small stream and exposed to dinotefuran for 14...
2.
Yada T, Abe M, Kaifu K, Yokouchi K, Fukuda N, Kodama S, et al.
Comp Biochem Physiol A Mol Integr Physiol . 2020 Apr; 245:110700. PMID: 32294535
To clarify the relationships between growth, endocrine status and habitat characteristics in Japanese eel (Anguilla japonica), plasma and stomach mRNA levels of ghrelin were examined in wild eels captured in...
3.
Kodama S, Fujimori H, Hakoyama H
Sci Rep . 2017 Mar; 7:43973. PMID: 28290534
No abstract available.
4.
Kodama S, Fujimori H, Hakoyama H
Sci Rep . 2017 Feb; 7:41943. PMID: 28150742
Costly anti-predator traits tend to be expressed only in high-predation conditions. For the cyprinid fish genus Carassius, deeper body depth is more adaptive to avoid predation by gape-limited piscivorous fish,...
5.
Hakoyama H, Iwasa Y
J Theor Biol . 2004 Nov; 232(2):203-16. PMID: 15530490
Aggregation of variables of a complex mathematical model with realistic structure gives a simplified model which is more suitable than the original one when the amount of data for parameter...
6.
Satake A, Iwasa Y, Hakoyama H, Hubbell S
J Theor Biol . 2003 Dec; 226(2):225-35. PMID: 14643192
We point out a general problem in fitting continuous time spatially explicit models to a temporal sequence of spatial data observed at discrete times. To illustrate the problem, we examined...
7.
Hakoyama H, Iwasa Y
J Theor Biol . 2003 Dec; 226(2):185-94. PMID: 14643188
An unisexual species (either parthenogenetic or gynogenetic form) often coexists sympatrically with a closely related anisogamous sexual species, forming a unisexual complex. This is puzzling because, all else being equal,...