Linking forest compartments to the long-term decline rates of ¹³⁷Cs in stream fish: A contaminated headwater catchment in Fukushima.

Yumiko Ishii; Jaeick Jo; Toshihiro Wada; Tsutomu Kanasashi; Kazuyoshi Takasaki; Wataru Teramoto; Yuto Funaki; Ayame Inomata; Shinya Shimamura; Masaru Sakai; Hiroshi Kurikami; Seiji Hayashi

doi:10.1016/j.jenvrad.2026.108009

May 2, 2026

Linking forest compartments to the long-term decline rates of ¹³⁷Cs in stream fish: A contaminated headwater catchment in Fukushima.

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Key Points

This research aims to connect the health of forest compartments to fish contamination rates over time.
Analysis of contamination levels in stream fish
Assessment of forest compartment health
Evaluation of long-term decline rates of fish contamination
Contamination levels of 137Cs in stream fish correlated with forest compartment quality
Long-term predictions indicate persistent contamination risks
Findings raise concerns for the recovery of masu salmon fisheries

Implication

Observations link long-term predictions of fish contamination in a headwater catchment, suggesting recovery pathways for stream fish.

Abstract

Cs in masu salmon, raise concerns for fishery recovery, and suggest pathways sustaining this contamination. Clarification of these pathways will provide a basis for more accurate long-term predictions.

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Cite This Study

Ishii et al. (2026) studied this question.

synapsesocial.com/papers/69fa8eca04f884e66b53130a https://doi.org/10.1016/j.jenvrad.2026.108009

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Linking forest compartments to the long-term decline rates of ¹³⁷Cs in stream fish: A contaminated headwater catchment in Fukushima.

Key Points

Implication

Abstract

Discussion

Cite This Study

Linking forest compartments to the long-term decline rates of ¹³⁷Cs in stream fish: A contaminated headwater catchment in Fukushima.

Key Points

Implication

Abstract

Discussion

Cite This Study

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