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Ichiro Matsuzaki

@ichirolake.bsky.social

Freshwater scientist, National Institute for Environmental Studies🇯🇵Fish, plankton, human impact, & lake mgmt. Think globally, act locally! Posts mine. https://freshwaterconservation.weebly.com/english-page.html

208 Posts371 Follower292 Folgt
Conservation Physiology@conphysjournal.bsky.social · 14h ago

🦞Climate change and bait shortages are reshaping lobster diets and thermal stress in the Gulf of Maine. This study shows temperature–diet effects on metabolism, stress tolerance, and survival. Bait guidelines are critical. Full article ⬇️ academic.oup.com/conphys/arti...

Thermal acclimation and meal item shape postprandial aerobic performance in the American lobster (Homarus americanus)

Abstract. Rapid warming in the Gulf of Maine and shifts in bait usage in Maine’s lobster industry are altering the thermal and nutritional landscapes for A

academic.oup.com

JGR: Biogeosciences@jgrbiogeo.bsky.social · 3w ago

Divergent Thermal Habitat Responses to Climate Forcing in Shallow and Deep Lakes: The Role of Solar Radiation agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Divergent Thermal Habitat Responses to Climate Forcing in Shallow and Deep Lakes: The Role of Solar Radiation

Thermal habitat responses to climate forcing diverge between shallow and deep lakes even under similar atmospheric warming In deep, optically clear lakes, increased solar radiation penetrates bel...

agupubs.onlinelibrary.wiley.com

Ichiro Matsuzaki@ichirolake.bsky.social · 2mo ago

Input from new study Valencic, N., Speiser, E., Doi, E., Lee, E. T., Ford, B., Hatzius, A., et al. (2025). True polar wander driven by artificial water impoundment: 1835–2011. Geophysical Research Letters, 52, e2025GL115468. agupubs.onlinelibrary.wiley.com/doi/10.1029/...

True Polar Wander Driven by Artificial Water Impoundment: 1835–2011

A recent study compiled a global database of artificial water impoundment (dams) from 1835 to 2011 We adopt this database to compute the signal of the impoundment in the reorientation of the Eart...

agupubs.onlinelibrary.wiley.com

オイカワ丸@oikawamaru.bsky.social · 2mo ago

今日のブログです。オオクチバス・コクチバスの違法放流が強く疑われる事例の紹介。まとめたのでレポートか何かの役に立てば幸いです。漏れがあったら教えてください（まだある気がする）。 oikawamaru.hatenablog.com/entry/2026/0...

オオクチバス・コクチバスの違法放流 - オイカワ丸の湿地帯中毒

日本国内における特定外来生物オオクチバスの分布拡大はまだまだ続いていて、近年ではさらに同じく特定外来生物コクチバスの分布拡大も続いています。「分布拡大」と書いていますけれども、バス類の産卵生態から考えて、また純淡水魚類の一般的な移動能力から考えて、これらが鳥類による運搬や自力での分布拡大によるものとは考えにくく、様々な要素を多角的にみれば釣り人による密放流が続いていると考えざるを得ません。 外来生...

oikawamaru.hatenablog.com

uemurq@uemurq.bsky.social · 3mo ago

Are past #climate models enough to predict local extinction? After 20+ years, we revisited the #salmonid Dolly Varden charr sites across Hokkaido, Japan to find out. By adding missed ecological factors, we are improving how we forecast #wildlife risks. onlinelibrary.wiley.com/doi/10.1111/...

Validating a Past Local Extinction Model Using Site‐Level Disappearances in a Cold‐Adapted Salmonid Under Global Warming

Global warming poses an increasing threat to biodiversity by elevating the risk of local extinctions. Species distribution models are widely used to forecast extinction risk under future climate s...

onlinelibrary.wiley.com

Anthony Ricciardi@ecoinvasions.bsky.social · 3mo ago

An analysis of 21,000 rivers across the world found that their oxygen levels have dropped by an average of 2.1% since 1985 (www.science.org/doi/10.1126/...). apnews.com/article/rive...

Scientists find climate change is reducing oxygen in rivers worldwide

Global warming is causing rivers to slowly lose oxygen, threatening fish and other lives. A study released Friday of more than 21,000 rivers worldwide shows they have lost an average of 2.1% of their ...

apnews.com

Ichiro Matsuzaki@ichirolake.bsky.social · 3mo ago

Input from new study by @zzeynepersoy.bsky.social (Congrats!) Zeynep et al. 2026. Simulating drying and human impacts on river networks to evaluate biological quality indices performance through the lens of metacommunity theory. J. Applied Ecology besjournals.onlinelibrary.wiley.com/doi/10.1111/...

Simulating drying and human impacts on river networks to evaluate biological quality indices performance through the lens of metacommunity theory

This work constitutes a first step towards developing simulation-based assessments that incorporate catchment drying patterns to support biomonitoring of drying river networks. Our approach can infor...

besjournals.onlinelibrary.wiley.com

Danny Szydlowski@dannyszydlowski.bsky.social · 3mo ago

And that’s a wrap! I graduated with my PhD from UW’s Center for Limnology this weekend. I’m excited to stick around the CFL for a bit as a postdoc with Hilary Dugan working on some freshwater salinization questions. Going to celebrate finishing my degree by attending #ASLOSIL26!

A graduate stands in doctoral regalia on a dock at the edge of a lake holding a Secchi disc.
Ichiro Matsuzaki@ichirolake.bsky.social · 3mo ago

Input from new study. Very scary! Brand et al. 2026. Cocaine pollution alters the movement and space use of Atlantic salmon (Salmo salar) in a large natural lake. Current Biology www.cell.com/current-biol...

Cocaine pollution alters the movement and space use of Atlantic salmon (Salmo salar) in a large natural lake

Brand et al. show that environmentally realistic benzoylecgonine exposure increases movement and dispersal of Atlantic salmon smolts in a natural lake. Exposed fish swam and dispersed farther than con...

cell.com