SIL | International Society of Limnology
@sil-limnology.bsky.social
The International Society of Limnology promotes and communicates new and emerging knowledge among limnologists to advance the understanding of inland waters💧🌊
📢 Abstract submissions for the ASLO-SIL 2026 are CLOSING IN ONE WEEK!
Submit your abstract to share your research through oral or poster presentations at the meeting in Montreal, 12–16 May 2026.
Submit an abstract now: www.aslo.org/aslo-sil-2026/
🕒 Deadline: 25 November 2025, 11:59 p.m. CST
Submit your abstract to share your research through oral or poster presentations at the meeting in Montreal, 12–16 May 2026.
Submit an abstract now: www.aslo.org/aslo-sil-2026/
🕒 Deadline: 25 November 2025, 11:59 p.m. CST
November 19, 2025 at 6:21 AM
📢 Abstract submissions for the ASLO-SIL 2026 are CLOSING IN ONE WEEK!
Submit your abstract to share your research through oral or poster presentations at the meeting in Montreal, 12–16 May 2026.
Submit an abstract now: www.aslo.org/aslo-sil-2026/
🕒 Deadline: 25 November 2025, 11:59 p.m. CST
Submit your abstract to share your research through oral or poster presentations at the meeting in Montreal, 12–16 May 2026.
Submit an abstract now: www.aslo.org/aslo-sil-2026/
🕒 Deadline: 25 November 2025, 11:59 p.m. CST
📣 Apply for the Wetzel Travel Awards!
SIL is proud to support young limnologists who may otherwise be unable to attend and present at the ASLO–SIL 2026 Joint Congress.
Deadline to apply: December 2, 2025
📝 Apply here: www.surveymonkey.com/r/YYWVHY6
📄 Instructions: limnology.org/wp-content/u...
SIL is proud to support young limnologists who may otherwise be unable to attend and present at the ASLO–SIL 2026 Joint Congress.
Deadline to apply: December 2, 2025
📝 Apply here: www.surveymonkey.com/r/YYWVHY6
📄 Instructions: limnology.org/wp-content/u...
November 16, 2025 at 10:03 PM
📣 Apply for the Wetzel Travel Awards!
SIL is proud to support young limnologists who may otherwise be unable to attend and present at the ASLO–SIL 2026 Joint Congress.
Deadline to apply: December 2, 2025
📝 Apply here: www.surveymonkey.com/r/YYWVHY6
📄 Instructions: limnology.org/wp-content/u...
SIL is proud to support young limnologists who may otherwise be unable to attend and present at the ASLO–SIL 2026 Joint Congress.
Deadline to apply: December 2, 2025
📝 Apply here: www.surveymonkey.com/r/YYWVHY6
📄 Instructions: limnology.org/wp-content/u...
Submit your abstract to our special session:
EP007 – Uncharted Waters: Navigating Equity, Diversity, Inclusion & Knowledge
Submit a second abstract to this EDI session at no extra cost, in addition to your scientific submission.
www.aslo.org/aslo-sil-2026/session-list/#ep
🗓 Deadline: 25 Nov
EP007 – Uncharted Waters: Navigating Equity, Diversity, Inclusion & Knowledge
Submit a second abstract to this EDI session at no extra cost, in addition to your scientific submission.
www.aslo.org/aslo-sil-2026/session-list/#ep
🗓 Deadline: 25 Nov
November 13, 2025 at 5:26 AM
Submit your abstract to our special session:
EP007 – Uncharted Waters: Navigating Equity, Diversity, Inclusion & Knowledge
Submit a second abstract to this EDI session at no extra cost, in addition to your scientific submission.
www.aslo.org/aslo-sil-2026/session-list/#ep
🗓 Deadline: 25 Nov
EP007 – Uncharted Waters: Navigating Equity, Diversity, Inclusion & Knowledge
Submit a second abstract to this EDI session at no extra cost, in addition to your scientific submission.
www.aslo.org/aslo-sil-2026/session-list/#ep
🗓 Deadline: 25 Nov
Registration and abstract submissions for oral and poster presentations are now open for #ASLOSIL2026 !
Don't miss this opportunity to share your insights at the ASLO-SIL 2026 Joint Meeting 12-16 May 2026 in Montreal, Quebec, Canada. 🇨🇦
@aslo.org
Don't miss this opportunity to share your insights at the ASLO-SIL 2026 Joint Meeting 12-16 May 2026 in Montreal, Quebec, Canada. 🇨🇦
@aslo.org
October 22, 2025 at 5:13 PM
Registration and abstract submissions for oral and poster presentations are now open for #ASLOSIL2026 !
Don't miss this opportunity to share your insights at the ASLO-SIL 2026 Joint Meeting 12-16 May 2026 in Montreal, Quebec, Canada. 🇨🇦
@aslo.org
Don't miss this opportunity to share your insights at the ASLO-SIL 2026 Joint Meeting 12-16 May 2026 in Montreal, Quebec, Canada. 🇨🇦
@aslo.org
⏳ Don’t miss your chance! Nominations for SIL’s Naumann–Thienemann Medal (2025 & 2026 recipients) closes October 15, 2025.
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
October 12, 2025 at 9:52 PM
⏳ Don’t miss your chance! Nominations for SIL’s Naumann–Thienemann Medal (2025 & 2026 recipients) closes October 15, 2025.
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
🌞❄️ Article of the Day:
High-mountain Daphnid from the tropical Andes face a double threat as warming and UV radiation together reduce survival despite their natural pigmentation defenses. This study shows that combined stressors, not single factors, shape the fate of these cold-adapted zooplankton.
High-mountain Daphnid from the tropical Andes face a double threat as warming and UV radiation together reduce survival despite their natural pigmentation defenses. This study shows that combined stressors, not single factors, shape the fate of these cold-adapted zooplankton.
October 10, 2025 at 10:22 AM
🌞❄️ Article of the Day:
High-mountain Daphnid from the tropical Andes face a double threat as warming and UV radiation together reduce survival despite their natural pigmentation defenses. This study shows that combined stressors, not single factors, shape the fate of these cold-adapted zooplankton.
High-mountain Daphnid from the tropical Andes face a double threat as warming and UV radiation together reduce survival despite their natural pigmentation defenses. This study shows that combined stressors, not single factors, shape the fate of these cold-adapted zooplankton.
Assessment of drinking-water quality in Indigenous communities of Santa Victoria Este, Argentina
By Florencia Soledad Alvarez Dalinger, Carmen Alejandra Sabio y García, Verónica Laura Lozano, Jacqueline Bazzana, Cecilia Thomas, Isabel Reyes Diez, Juan Pearson, Ignacio Garzaró
By Florencia Soledad Alvarez Dalinger, Carmen Alejandra Sabio y García, Verónica Laura Lozano, Jacqueline Bazzana, Cecilia Thomas, Isabel Reyes Diez, Juan Pearson, Ignacio Garzaró
October 8, 2025 at 7:51 AM
Assessment of drinking-water quality in Indigenous communities of Santa Victoria Este, Argentina
By Florencia Soledad Alvarez Dalinger, Carmen Alejandra Sabio y García, Verónica Laura Lozano, Jacqueline Bazzana, Cecilia Thomas, Isabel Reyes Diez, Juan Pearson, Ignacio Garzaró
By Florencia Soledad Alvarez Dalinger, Carmen Alejandra Sabio y García, Verónica Laura Lozano, Jacqueline Bazzana, Cecilia Thomas, Isabel Reyes Diez, Juan Pearson, Ignacio Garzaró
🌎🚰 Pizarro et al. review pesticide use in Latin America & the Caribbean: the region with the world’s highest application rates, yet limited freshwater monitoring. Gaps in ecological risk assessment remain.
🔗 doi.org/10.1080/2044...
#Freshwater #Pesticides #LatinAmerica #Caribbean #EnvironmentalRisk
🔗 doi.org/10.1080/2044...
#Freshwater #Pesticides #LatinAmerica #Caribbean #EnvironmentalRisk
October 2, 2025 at 12:09 PM
🌎🚰 Pizarro et al. review pesticide use in Latin America & the Caribbean: the region with the world’s highest application rates, yet limited freshwater monitoring. Gaps in ecological risk assessment remain.
🔗 doi.org/10.1080/2044...
#Freshwater #Pesticides #LatinAmerica #Caribbean #EnvironmentalRisk
🔗 doi.org/10.1080/2044...
#Freshwater #Pesticides #LatinAmerica #Caribbean #EnvironmentalRisk
Transdisciplinary adaptive participatory action research approach (TAPARA) for
knowledge co-production with Indigenous Peoples
By Ana Felicien, Pedro Borges-Landáez,Noemí Chacón, Mariela López-Gasca, Hernán González, & TAPARA Indigenous Core Research Team
knowledge co-production with Indigenous Peoples
By Ana Felicien, Pedro Borges-Landáez,Noemí Chacón, Mariela López-Gasca, Hernán González, & TAPARA Indigenous Core Research Team
October 1, 2025 at 12:36 PM
Transdisciplinary adaptive participatory action research approach (TAPARA) for
knowledge co-production with Indigenous Peoples
By Ana Felicien, Pedro Borges-Landáez,Noemí Chacón, Mariela López-Gasca, Hernán González, & TAPARA Indigenous Core Research Team
knowledge co-production with Indigenous Peoples
By Ana Felicien, Pedro Borges-Landáez,Noemí Chacón, Mariela López-Gasca, Hernán González, & TAPARA Indigenous Core Research Team
Join us in congratulating Benjamin Misteli
@benjaminmisteli.bsky.social
on being elected as SIL’s Early Career Representative – Global Outreach! 🌍✨
Based at WasserCluster Lunz, Austria, he brings fresh perspectives to strengthen SIL’s global outreach. 💧
@benjaminmisteli.bsky.social
on being elected as SIL’s Early Career Representative – Global Outreach! 🌍✨
Based at WasserCluster Lunz, Austria, he brings fresh perspectives to strengthen SIL’s global outreach. 💧
September 29, 2025 at 11:05 PM
Join us in congratulating Benjamin Misteli
@benjaminmisteli.bsky.social
on being elected as SIL’s Early Career Representative – Global Outreach! 🌍✨
Based at WasserCluster Lunz, Austria, he brings fresh perspectives to strengthen SIL’s global outreach. 💧
@benjaminmisteli.bsky.social
on being elected as SIL’s Early Career Representative – Global Outreach! 🌍✨
Based at WasserCluster Lunz, Austria, he brings fresh perspectives to strengthen SIL’s global outreach. 💧
Join us in congratulating Sylvia Bonilla, winner of the Kilham Memorial Lecture Award! 🎉
To be delivered during the joint ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her contributions to limnology and cyanobacteria research with the SIL community! 💧
To be delivered during the joint ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her contributions to limnology and cyanobacteria research with the SIL community! 💧
September 28, 2025 at 11:51 PM
Join us in congratulating Sylvia Bonilla, winner of the Kilham Memorial Lecture Award! 🎉
To be delivered during the joint ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her contributions to limnology and cyanobacteria research with the SIL community! 💧
To be delivered during the joint ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her contributions to limnology and cyanobacteria research with the SIL community! 💧
Join us in congratulating Claudia Costa Bonecker, winner of the Baldi Memorial Lecture Award! 🎉
She will be honored at the ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her achievements in theoretical limnology with the SIL community! 💧
She will be honored at the ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her achievements in theoretical limnology with the SIL community! 💧
September 28, 2025 at 10:09 PM
Join us in congratulating Claudia Costa Bonecker, winner of the Baldi Memorial Lecture Award! 🎉
She will be honored at the ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her achievements in theoretical limnology with the SIL community! 💧
She will be honored at the ASLO–SIL 2026 Congress in Montreal.
We look forward to celebrating her achievements in theoretical limnology with the SIL community! 💧
⏳ Don’t miss your chance! Nominations for SIL’s Naumann–Thienemann Medal (2025 & 2026 recipients) close October 15, 2025.
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
September 25, 2025 at 2:15 PM
⏳ Don’t miss your chance! Nominations for SIL’s Naumann–Thienemann Medal (2025 & 2026 recipients) close October 15, 2025.
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
Recognize a limnologist whose work has made a lasting impact.
📩 Send nominations to gonsagra@gmail.com
🔗 Learn more: limnology.org/funding/naum...
🌎 Article of the Day
Did you know Costa Rica’s lakes, from coastal lagoons to volcanic craters and glacial tarns, harbor unique chemical and biological fingerprints?
🔗 Read more: doi.org/10.1080/2044...
#TropicalLakes #CostaRica #Limnology #AquaticEcology #Biogeochemistry #StableIsotopes #Plankton
Did you know Costa Rica’s lakes, from coastal lagoons to volcanic craters and glacial tarns, harbor unique chemical and biological fingerprints?
🔗 Read more: doi.org/10.1080/2044...
#TropicalLakes #CostaRica #Limnology #AquaticEcology #Biogeochemistry #StableIsotopes #Plankton
September 25, 2025 at 7:11 AM
🌎 Article of the Day
Did you know Costa Rica’s lakes, from coastal lagoons to volcanic craters and glacial tarns, harbor unique chemical and biological fingerprints?
🔗 Read more: doi.org/10.1080/2044...
#TropicalLakes #CostaRica #Limnology #AquaticEcology #Biogeochemistry #StableIsotopes #Plankton
Did you know Costa Rica’s lakes, from coastal lagoons to volcanic craters and glacial tarns, harbor unique chemical and biological fingerprints?
🔗 Read more: doi.org/10.1080/2044...
#TropicalLakes #CostaRica #Limnology #AquaticEcology #Biogeochemistry #StableIsotopes #Plankton
Article of the Day:
📃This synthesis presents a global systematic literature review on how Indigenous fishers adapt to the impact of climate change
www.tandfonline.com/doi/full/10....
#adaptation #climatechange #indigenousfishers #systematicliteraturereview
📃This synthesis presents a global systematic literature review on how Indigenous fishers adapt to the impact of climate change
www.tandfonline.com/doi/full/10....
#adaptation #climatechange #indigenousfishers #systematicliteraturereview
September 24, 2025 at 8:05 AM
Article of the Day:
📃This synthesis presents a global systematic literature review on how Indigenous fishers adapt to the impact of climate change
www.tandfonline.com/doi/full/10....
#adaptation #climatechange #indigenousfishers #systematicliteraturereview
📃This synthesis presents a global systematic literature review on how Indigenous fishers adapt to the impact of climate change
www.tandfonline.com/doi/full/10....
#adaptation #climatechange #indigenousfishers #systematicliteraturereview
Article of the Day:
The Galapagos’ inland lakes and lagoons are among the least studied yet most vulnerable ecosystems.
A new bibliometric analysis reveals fragmented research and urgent knowledge gaps on biodiversity, water quality, and conservation.
Full article www.tandfonline.com/doi/epdf/10....
The Galapagos’ inland lakes and lagoons are among the least studied yet most vulnerable ecosystems.
A new bibliometric analysis reveals fragmented research and urgent knowledge gaps on biodiversity, water quality, and conservation.
Full article www.tandfonline.com/doi/epdf/10....
September 22, 2025 at 10:20 AM
Article of the Day:
The Galapagos’ inland lakes and lagoons are among the least studied yet most vulnerable ecosystems.
A new bibliometric analysis reveals fragmented research and urgent knowledge gaps on biodiversity, water quality, and conservation.
Full article www.tandfonline.com/doi/epdf/10....
The Galapagos’ inland lakes and lagoons are among the least studied yet most vulnerable ecosystems.
A new bibliometric analysis reveals fragmented research and urgent knowledge gaps on biodiversity, water quality, and conservation.
Full article www.tandfonline.com/doi/epdf/10....
We are proud to announce James Cotner as SIL’s newly elected Vice President – Global Outreach.
From the University of Minnesota – Twin Cities, USA, James brings outstanding expertise and leadership to support SIL’s mission and expand our global community. 🌿🌊
From the University of Minnesota – Twin Cities, USA, James brings outstanding expertise and leadership to support SIL’s mission and expand our global community. 🌿🌊
September 21, 2025 at 9:53 PM
We are proud to announce James Cotner as SIL’s newly elected Vice President – Global Outreach.
From the University of Minnesota – Twin Cities, USA, James brings outstanding expertise and leadership to support SIL’s mission and expand our global community. 🌿🌊
From the University of Minnesota – Twin Cities, USA, James brings outstanding expertise and leadership to support SIL’s mission and expand our global community. 🌿🌊
Local knowledge of climate change adaptation strategies from the vhaVenda and baTonga communities living in the Limpopo and Zambezi River Basins, Southern Africa
www.tandfonline.com/doi/full/10....
www.tandfonline.com/doi/full/10....
September 17, 2025 at 1:58 PM
Local knowledge of climate change adaptation strategies from the vhaVenda and baTonga communities living in the Limpopo and Zambezi River Basins, Southern Africa
www.tandfonline.com/doi/full/10....
www.tandfonline.com/doi/full/10....
Culture, traditions, and natural resources of Mexican lakes under the influence of anthropogenic pressures and climate change
By Javier Alcocer & Elva Escobar
Access to the paper: www.tandfonline.com/doi/full/10....
By Javier Alcocer & Elva Escobar
Access to the paper: www.tandfonline.com/doi/full/10....
September 10, 2025 at 2:02 PM
Culture, traditions, and natural resources of Mexican lakes under the influence of anthropogenic pressures and climate change
By Javier Alcocer & Elva Escobar
Access to the paper: www.tandfonline.com/doi/full/10....
By Javier Alcocer & Elva Escobar
Access to the paper: www.tandfonline.com/doi/full/10....
📰 ARTICLE OF THE WEEK
💡 Study reveals how pristine vs. impacted lakes in Chiapas differ: clear, nutrient-poor vs. turbid, nutrient-rich. Protecting the Lagunas de Montebello is vital to safeguard biodiversity and water quality.
Link to access the article: www.tandfonline.com/.../10.../20...
💡 Study reveals how pristine vs. impacted lakes in Chiapas differ: clear, nutrient-poor vs. turbid, nutrient-rich. Protecting the Lagunas de Montebello is vital to safeguard biodiversity and water quality.
Link to access the article: www.tandfonline.com/.../10.../20...
September 5, 2025 at 8:11 AM
📰 ARTICLE OF THE WEEK
💡 Study reveals how pristine vs. impacted lakes in Chiapas differ: clear, nutrient-poor vs. turbid, nutrient-rich. Protecting the Lagunas de Montebello is vital to safeguard biodiversity and water quality.
Link to access the article: www.tandfonline.com/.../10.../20...
💡 Study reveals how pristine vs. impacted lakes in Chiapas differ: clear, nutrient-poor vs. turbid, nutrient-rich. Protecting the Lagunas de Montebello is vital to safeguard biodiversity and water quality.
Link to access the article: www.tandfonline.com/.../10.../20...
💧Wetzel videos of the week:
Global Water Cycle:
www.youtube.com/watch?v=KjAP...
Heat, Layers and Mixing:
www.youtube.com/watch?v=qiLR...
Our channel: www.youtube.com/@silinternat...
Global Water Cycle:
www.youtube.com/watch?v=KjAP...
Heat, Layers and Mixing:
www.youtube.com/watch?v=qiLR...
Our channel: www.youtube.com/@silinternat...
September 2, 2025 at 11:46 AM
💧Wetzel videos of the week:
Global Water Cycle:
www.youtube.com/watch?v=KjAP...
Heat, Layers and Mixing:
www.youtube.com/watch?v=qiLR...
Our channel: www.youtube.com/@silinternat...
Global Water Cycle:
www.youtube.com/watch?v=KjAP...
Heat, Layers and Mixing:
www.youtube.com/watch?v=qiLR...
Our channel: www.youtube.com/@silinternat...
Article of the week:
Venezuelan rivers harbor extraordinary biodiversity across plants, fish, invertebrates, and microbes, but research remains largely taxonomic, with urgent need for integrative ecological studies.
Access to the article: doi.org/10.1080/2044...
Venezuelan rivers harbor extraordinary biodiversity across plants, fish, invertebrates, and microbes, but research remains largely taxonomic, with urgent need for integrative ecological studies.
Access to the article: doi.org/10.1080/2044...
August 29, 2025 at 9:19 AM
Article of the week:
Venezuelan rivers harbor extraordinary biodiversity across plants, fish, invertebrates, and microbes, but research remains largely taxonomic, with urgent need for integrative ecological studies.
Access to the article: doi.org/10.1080/2044...
Venezuelan rivers harbor extraordinary biodiversity across plants, fish, invertebrates, and microbes, but research remains largely taxonomic, with urgent need for integrative ecological studies.
Access to the article: doi.org/10.1080/2044...
Socioenvironmental impacts of pine (Pinus taeda) monocultures established by forestry companies on Guaraní territories in the Province of Misiones, Argentina.
By Héctor A. Keller & Verónica L. Lozano
Access to the full paper: www.tandfonline.com/doi/full/10....
By Héctor A. Keller & Verónica L. Lozano
Access to the full paper: www.tandfonline.com/doi/full/10....
August 27, 2025 at 7:00 AM
Socioenvironmental impacts of pine (Pinus taeda) monocultures established by forestry companies on Guaraní territories in the Province of Misiones, Argentina.
By Héctor A. Keller & Verónica L. Lozano
Access to the full paper: www.tandfonline.com/doi/full/10....
By Héctor A. Keller & Verónica L. Lozano
Access to the full paper: www.tandfonline.com/doi/full/10....
💧Wetzel videos of the week:
Phosphorous dynamics:
www.youtube.com/watch?v=x3rc...
Nitrogen Dynamics:
www.youtube.com/watch?v=w9TN...
Our channel: www.youtube.com/@silinternat...
#limnology #freshwater #lakes #biogeochemistry
Phosphorous dynamics:
www.youtube.com/watch?v=x3rc...
Nitrogen Dynamics:
www.youtube.com/watch?v=w9TN...
Our channel: www.youtube.com/@silinternat...
#limnology #freshwater #lakes #biogeochemistry
August 26, 2025 at 2:22 PM
💧Wetzel videos of the week:
Phosphorous dynamics:
www.youtube.com/watch?v=x3rc...
Nitrogen Dynamics:
www.youtube.com/watch?v=w9TN...
Our channel: www.youtube.com/@silinternat...
#limnology #freshwater #lakes #biogeochemistry
Phosphorous dynamics:
www.youtube.com/watch?v=x3rc...
Nitrogen Dynamics:
www.youtube.com/watch?v=w9TN...
Our channel: www.youtube.com/@silinternat...
#limnology #freshwater #lakes #biogeochemistry
Inaugural United Nations World Lake Day — 27 August 2025
Celebrate the critical role of lakes, reservoirs, and ponds in water security, flood mitigation, biodiversity, and ecosystem services.
#WorldLakeDay #Lakes #Freshwater #Limnology
Celebrate the critical role of lakes, reservoirs, and ponds in water security, flood mitigation, biodiversity, and ecosystem services.
#WorldLakeDay #Lakes #Freshwater #Limnology
August 25, 2025 at 11:17 PM
Inaugural United Nations World Lake Day — 27 August 2025
Celebrate the critical role of lakes, reservoirs, and ponds in water security, flood mitigation, biodiversity, and ecosystem services.
#WorldLakeDay #Lakes #Freshwater #Limnology
Celebrate the critical role of lakes, reservoirs, and ponds in water security, flood mitigation, biodiversity, and ecosystem services.
#WorldLakeDay #Lakes #Freshwater #Limnology