Ichiro Matsuzaki
@ichirolake.bsky.social
Freshwater scientist, National Institute for Environmental Studies🇯🇵Fish, plankton, human impact, & lake mgmt. Think globally, act locally! UW-CFLer 2018. Lover of coffee, movie, & outdoor. Posts mine. https://freshwaterconservation.weebly.com
Zooplankton team! It’s wonderful folks helping each other and fixing together if someone hits a wall. This pic was a dinner at Tea House, an iconic restaurant of Boulder, CO. Thank you everyone and @cu-esiil.bsky.social kind support!
November 11, 2025 at 3:06 AM
Zooplankton team! It’s wonderful folks helping each other and fixing together if someone hits a wall. This pic was a dinner at Tea House, an iconic restaurant of Boulder, CO. Thank you everyone and @cu-esiil.bsky.social kind support!
Just touched down at Tokyo Airport. At the Denver airport, 2hrs after boarding on time, all passengers had to get off the plane due to mechanical issues. It was my first time getting a meal voucher. After grabbing a coffee for 1h, I boarded again. I’m happy I made it back safely.
November 10, 2025 at 11:07 AM
Just touched down at Tokyo Airport. At the Denver airport, 2hrs after boarding on time, all passengers had to get off the plane due to mechanical issues. It was my first time getting a meal voucher. After grabbing a coffee for 1h, I boarded again. I’m happy I made it back safely.
If you visit Boulder, CO, you should stop by Piece Love and Chocolate.
It’s so nice atmosphere and many delicious chocolates!
pieceloveandchocolate.com
I grabbed a hot coco with marshmallow. It was sooooo nice! I also got some dark chocolates for a gift.
It’s so nice atmosphere and many delicious chocolates!
pieceloveandchocolate.com
I grabbed a hot coco with marshmallow. It was sooooo nice! I also got some dark chocolates for a gift.
November 7, 2025 at 6:27 AM
If you visit Boulder, CO, you should stop by Piece Love and Chocolate.
It’s so nice atmosphere and many delicious chocolates!
pieceloveandchocolate.com
I grabbed a hot coco with marshmallow. It was sooooo nice! I also got some dark chocolates for a gift.
It’s so nice atmosphere and many delicious chocolates!
pieceloveandchocolate.com
I grabbed a hot coco with marshmallow. It was sooooo nice! I also got some dark chocolates for a gift.
We are a member of FreshwaterH2O of @cu-esiil.bsky.social. We made the projects forward through team building, working together, and many discussions. We sometimes create dataset, analyze data, discuss the results, go hiking, and grab chocolate. This week was so productive!
November 7, 2025 at 12:38 AM
We are a member of FreshwaterH2O of @cu-esiil.bsky.social. We made the projects forward through team building, working together, and many discussions. We sometimes create dataset, analyze data, discuss the results, go hiking, and grab chocolate. This week was so productive!
It’s time to leave for Denver, Colorado, to join the zooplankton workshop funded by ESIIL @cu-esiil.bsky.social.
November 1, 2025 at 8:25 AM
It’s time to leave for Denver, Colorado, to join the zooplankton workshop funded by ESIIL @cu-esiil.bsky.social.
Input from new study
Hannah Barrett, Jonathan Armstrong (2025) Alternative energetic strategies for a cold-water fish: Gains in the mainstem versus efficiency in floodplain refuges. J. Animal Ecology.
besjournals.onlinelibrary.wiley.com/doi/10.1111/...
Hannah Barrett, Jonathan Armstrong (2025) Alternative energetic strategies for a cold-water fish: Gains in the mainstem versus efficiency in floodplain refuges. J. Animal Ecology.
besjournals.onlinelibrary.wiley.com/doi/10.1111/...
October 31, 2025 at 2:30 AM
Input from new study
Hannah Barrett, Jonathan Armstrong (2025) Alternative energetic strategies for a cold-water fish: Gains in the mainstem versus efficiency in floodplain refuges. J. Animal Ecology.
besjournals.onlinelibrary.wiley.com/doi/10.1111/...
Hannah Barrett, Jonathan Armstrong (2025) Alternative energetic strategies for a cold-water fish: Gains in the mainstem versus efficiency in floodplain refuges. J. Animal Ecology.
besjournals.onlinelibrary.wiley.com/doi/10.1111/...
Final day of the Sarufutsu fish adventure. We finally say goodbye to salmon carcass and rivers.
October 24, 2025 at 9:15 AM
Final day of the Sarufutsu fish adventure. We finally say goodbye to salmon carcass and rivers.
What a beautiful Parahucho perryi!!
October 23, 2025 at 9:09 AM
What a beautiful Parahucho perryi!!
Beautiful meandering streams with colored leaves! I love it. It was raining, but the sun broke through for a moment.
October 20, 2025 at 9:35 AM
Beautiful meandering streams with colored leaves! I love it. It was raining, but the sun broke through for a moment.
Day 6 in the Sarufutsu adventure
October 20, 2025 at 9:33 AM
Day 6 in the Sarufutsu adventure
Input from new study.
Scott et al. 2025. Reducing Nitrogen Inputs Can Rapidly Reverse Eutrophication in Shallow Phosphorus-Rich Lakes. EST
pubs.acs.org/doi/full/10....
Scott et al. 2025. Reducing Nitrogen Inputs Can Rapidly Reverse Eutrophication in Shallow Phosphorus-Rich Lakes. EST
pubs.acs.org/doi/full/10....
Reducing Nitrogen Inputs Can Rapidly Reverse Eutrophication in Shallow Phosphorus-Rich Lakes
Although phosphorus (P) has been the primary focus of lake eutrophication management efforts globally, we show that reducing nitrogen (N) inputs to shallow P-rich lakes can rapidly reverse accelerated...
pubs.acs.org
October 19, 2025 at 12:15 PM
Input from new study.
Scott et al. 2025. Reducing Nitrogen Inputs Can Rapidly Reverse Eutrophication in Shallow Phosphorus-Rich Lakes. EST
pubs.acs.org/doi/full/10....
Scott et al. 2025. Reducing Nitrogen Inputs Can Rapidly Reverse Eutrophication in Shallow Phosphorus-Rich Lakes. EST
pubs.acs.org/doi/full/10....
We’re in Sarufutsu, Hokkaido. Enjoyed fish sampling!
October 17, 2025 at 11:47 AM
We’re in Sarufutsu, Hokkaido. Enjoyed fish sampling!
Input from new study. This is very exciting!
Guzzo et al. 2025. Declining adult body size and contracted life history in an unexploited boreal Lake Trout (Salvelinus namaycush) population during a period of warming. Can. J. Fish. Aquat. Sci.
cdnsciencepub.com/doi/10.1139/...
Guzzo et al. 2025. Declining adult body size and contracted life history in an unexploited boreal Lake Trout (Salvelinus namaycush) population during a period of warming. Can. J. Fish. Aquat. Sci.
cdnsciencepub.com/doi/10.1139/...
Declining adult body size and contracted life history in an unexploited boreal Lake Trout (Salvelinus namaycush) population during a period of warming
Evidence of declines in fish body size with warming in the absence of exploitation are lacking. During a period of regional climate warming (1986-2016), we examined trends in growth, size-structure, a...
cdnsciencepub.com
October 11, 2025 at 11:04 AM
Input from new study. This is very exciting!
Guzzo et al. 2025. Declining adult body size and contracted life history in an unexploited boreal Lake Trout (Salvelinus namaycush) population during a period of warming. Can. J. Fish. Aquat. Sci.
cdnsciencepub.com/doi/10.1139/...
Guzzo et al. 2025. Declining adult body size and contracted life history in an unexploited boreal Lake Trout (Salvelinus namaycush) population during a period of warming. Can. J. Fish. Aquat. Sci.
cdnsciencepub.com/doi/10.1139/...
Input from new study.
Kotsopoulos CJ et al. 2025. Reduced intraspecific variation in lake trout food webs under warmer temperatures and smaller ecosystem sizes. Ecology
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
Kotsopoulos CJ et al. 2025. Reduced intraspecific variation in lake trout food webs under warmer temperatures and smaller ecosystem sizes. Ecology
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
October 8, 2025 at 6:37 AM
Input from new study.
Kotsopoulos CJ et al. 2025. Reduced intraspecific variation in lake trout food webs under warmer temperatures and smaller ecosystem sizes. Ecology
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
Kotsopoulos CJ et al. 2025. Reduced intraspecific variation in lake trout food webs under warmer temperatures and smaller ecosystem sizes. Ecology
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
Reposted by Ichiro Matsuzaki
My first sampling experience this year in mountain lakes was tough but magnificent 🤩 thanks to the team, Javi Sánchez Hernández @ignasiarranz.bsky.social @guillegargomez.bsky.social @biodiversosurjc.bsky.social @iicg-urjc.bsky.social
October 6, 2025 at 2:34 PM
My first sampling experience this year in mountain lakes was tough but magnificent 🤩 thanks to the team, Javi Sánchez Hernández @ignasiarranz.bsky.social @guillegargomez.bsky.social @biodiversosurjc.bsky.social @iicg-urjc.bsky.social
Our outreach! We set up our booth to present our 50-year history of our Lake Kasumigaua Long-term Monitoring Project.
October 4, 2025 at 10:44 AM
Our outreach! We set up our booth to present our 50-year history of our Lake Kasumigaua Long-term Monitoring Project.
Input from new study.
Marjohn Yucada Baludo, Dietmar Straile. 2025. Long-term changes in intra- and interspecific trait variability of a small herbivore in a deep perialpine lake. LO
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
Marjohn Yucada Baludo, Dietmar Straile. 2025. Long-term changes in intra- and interspecific trait variability of a small herbivore in a deep perialpine lake. LO
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
October 3, 2025 at 5:16 AM
Input from new study.
Marjohn Yucada Baludo, Dietmar Straile. 2025. Long-term changes in intra- and interspecific trait variability of a small herbivore in a deep perialpine lake. LO
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
Marjohn Yucada Baludo, Dietmar Straile. 2025. Long-term changes in intra- and interspecific trait variability of a small herbivore in a deep perialpine lake. LO
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
Input from new study.
Berg et al. 2025. Century-scale resilience of stored seagrass blue carbon. LO letters
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
Berg et al. 2025. Century-scale resilience of stored seagrass blue carbon. LO letters
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
October 3, 2025 at 5:15 AM
Input from new study.
Berg et al. 2025. Century-scale resilience of stored seagrass blue carbon. LO letters
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
Berg et al. 2025. Century-scale resilience of stored seagrass blue carbon. LO letters
aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
Our fish monitoring data has deposited to #GBIF. Our data is CC-BY. Please look at and use our data!
www.gbif.org/dataset/721e...
Original data is published from our Lake Kasumigaura Database. db.cger.nies.go.jp/gem/moni-e/i...
www.gbif.org/dataset/721e...
Original data is published from our Lake Kasumigaura Database. db.cger.nies.go.jp/gem/moni-e/i...
October 3, 2025 at 12:16 AM
Our fish monitoring data has deposited to #GBIF. Our data is CC-BY. Please look at and use our data!
www.gbif.org/dataset/721e...
Original data is published from our Lake Kasumigaura Database. db.cger.nies.go.jp/gem/moni-e/i...
www.gbif.org/dataset/721e...
Original data is published from our Lake Kasumigaura Database. db.cger.nies.go.jp/gem/moni-e/i...
I'm going to visit Boulder, Colorado, again to join the freshwater zooplankton workshop. Honestly, I'm nervous as always, because English is a big wall to me. I'm not good at listening/speaking. But, I'm really excited to talk about science and receive many feedback and advice, which make me growth.
October 1, 2025 at 12:52 AM
I'm going to visit Boulder, Colorado, again to join the freshwater zooplankton workshop. Honestly, I'm nervous as always, because English is a big wall to me. I'm not good at listening/speaking. But, I'm really excited to talk about science and receive many feedback and advice, which make me growth.
This is the iconic ‘Tower of the Sun,’ designed by artist Taro Okamoto for Expo 1970 in Japan. It still stands today, and you can even go inside. Did you know that? Inside, you’ll find the ‘Tree of Life.’
taiyounotou-expo70.jp/en/about/
taiyounotou-expo70.jp/en/about/
September 18, 2025 at 4:07 AM
This is the iconic ‘Tower of the Sun,’ designed by artist Taro Okamoto for Expo 1970 in Japan. It still stands today, and you can even go inside. Did you know that? Inside, you’ll find the ‘Tree of Life.’
taiyounotou-expo70.jp/en/about/
taiyounotou-expo70.jp/en/about/
My family visited the Hiroshima Peace Memorial Museum. Hiroshima is the site of the first atomic bombing in human history. I found this stone monument there.
War is the work of man.
War is destruction of human life.
War is death.
These are the words of Pope John Paul II, spoken in 1981.
War is the work of man.
War is destruction of human life.
War is death.
These are the words of Pope John Paul II, spoken in 1981.
September 18, 2025 at 3:55 AM
My family visited the Hiroshima Peace Memorial Museum. Hiroshima is the site of the first atomic bombing in human history. I found this stone monument there.
War is the work of man.
War is destruction of human life.
War is death.
These are the words of Pope John Paul II, spoken in 1981.
War is the work of man.
War is destruction of human life.
War is death.
These are the words of Pope John Paul II, spoken in 1981.
Input from new study.
Yu-Lin K. Chang, Kentaro Honda, Kentaro Morita (2025) Beyond lethal temperatures: Factors behind the disappearance of chum salmon from their southern margins under climate change. PlosOne
journals.plos.org/plosone/arti...
Yu-Lin K. Chang, Kentaro Honda, Kentaro Morita (2025) Beyond lethal temperatures: Factors behind the disappearance of chum salmon from their southern margins under climate change. PlosOne
journals.plos.org/plosone/arti...
Beyond lethal temperatures: Factors behind the disappearance of chum salmon from their southern margins under climate change
The Tone River in Japan represents one of the southern limit distributions of chum salmon (Oncorhynchus keta) on the western side of the North Pacific, but the number of adult chum salmon observed her...
journals.plos.org
September 11, 2025 at 3:40 AM
Input from new study.
Yu-Lin K. Chang, Kentaro Honda, Kentaro Morita (2025) Beyond lethal temperatures: Factors behind the disappearance of chum salmon from their southern margins under climate change. PlosOne
journals.plos.org/plosone/arti...
Yu-Lin K. Chang, Kentaro Honda, Kentaro Morita (2025) Beyond lethal temperatures: Factors behind the disappearance of chum salmon from their southern margins under climate change. PlosOne
journals.plos.org/plosone/arti...
Reposted by Ichiro Matsuzaki
Impacts of an anxiolytic drug on fish behaviour and habitat use in a natural landscape #ProcB #OpenAccess #Behaviour #EnvironmentalScience royalsocietypublishing.org/doi/10.1098/...
September 10, 2025 at 8:47 AM
Impacts of an anxiolytic drug on fish behaviour and habitat use in a natural landscape #ProcB #OpenAccess #Behaviour #EnvironmentalScience royalsocietypublishing.org/doi/10.1098/...
Reposted by Ichiro Matsuzaki
New paper alert!! Our viewpoint piece uses data from the U.S. EPA National Lakes Assessment + Landsat to see how differing definitions of trophic state can skew and enhance our understanding of lake ecosystems! @ecologicalsociety.bsky.social esajournals.onlinelibrary.wiley.com/doi/10.1002/...
Clarifying the trophic state concept to advance macroscale freshwater science and management
For over a century, ecologists have used the concept of trophic state (TS) to characterize an aquatic ecosystem's biological productivity. However, multiple TS classification schemes, each relying on...
esajournals.onlinelibrary.wiley.com
September 4, 2025 at 8:53 PM
New paper alert!! Our viewpoint piece uses data from the U.S. EPA National Lakes Assessment + Landsat to see how differing definitions of trophic state can skew and enhance our understanding of lake ecosystems! @ecologicalsociety.bsky.social esajournals.onlinelibrary.wiley.com/doi/10.1002/...