Water temperature along the study area
Thermal map of the Allier river at Vichy
Project fund by @loirebretagne.bsky.social & the FEDER (🇪🇺) fund in the #RegionCentreValdeLoire.
> More info on my website in 🇬🇧: colinbouchard.gitlab.io/personal-web...
> or in 🇫🇷 here: www.scimabio-interface.fr/2024/08/26/l...
> 125 km of river mapped
> 72 millions of water temperature data
> water 🌡️ is really homogeneous
> median water 🌡️: 24.2°C, for salmon 🐟 is #hot 🔥
> some cold water patches but mainly > 20°C
> 3 potential "relative" #thermal refuges but, too hot
In the Allier river, salmon have to achieve one of the longest migration in France to reach their spawning ground. So, they usually stop their migration in summer.
Aims of our project was notably to create a thermal map of the Allier and identify potential #thermal #refuges.
We've finished our project on #ThermalRefuges for Atlantic #salmon in the #Allier river in France.
🐟 #salmon body temperature depend on water temperature. 🔥When water temp increases, one of the first response is #behavioural #thermoregulation with individuals going to #thermal #refuges ❄️
Want to find a fully funded post-doctoral position in our lab, with functioning budget and an associated PhD grant for 3 years ?
Apply to the CO-FUND Reach call at UPPA :
recherche.univ-pau.fr/en/expertise...
Open to all persons that spent less than 12 months in France in the last 3 years.
This work is done with amazing partners: #Orekan (Gestión Ambiental de Navarra) & @inrae-ecobiop.bsky.social ( @inrae-france.bsky.social / @universiteuppa.bsky.social)
@efeverde.com
The #bidasoa river is at the border between France & Spain. Several dams are present and constitute important barriers for salmon during their migration, here their downstream one.
❓We're estimating mortality due to dams & hydropower plants before some improvements in the #LifeProjectKantauribai 🇪🇺
A released pre-smolt tagged with a PIT tag. ©Bouchard.C
Two RFID antennas at the entrance of a water intake channel. ©Bouchard.C
One of our HR3 acoustic receiver ready to be deployed. ©Bouchard.C
Some key numbers for this 3rd season! ©Bouchard.C
Time for the 3️⃣rd downstream #salmon #migration in the #Bidasoa river 🇫🇷/🇪🇸 ! 🐟
After deploying our @innovasea.com #HR3 and tagging the pre-smolts, the season is well underway!
L'Université de Pau et des Pays de l'Adour ouvre un poste de Maitre de Conférence en génomique évolutive dans l'UMR ECOBIOP !
Pour candidater, c'est ici (profil 261937):
organisation.univ-pau.fr/fr/recruteme...
N'hésitez pas à nous contacter pour de plus amples informations.
While not peer-reviewed, it might be of interest to researchers, conservationists, or anyone passionate about salmon ecology and the #stocking dilemma.
📥 Download it here: doi.org/10.5281/zeno...
#SalmonConservation #FisheriesScience #Ecology #OpenScience
We recently completed a comprehensive #review on #AtlanticSalmon #stocking, approached from a #conservation perspective.
The document explores comparative biology and in natura impacts, backed by extensive #references.
📖 Read the paper : onlinelibrary.wiley.com/doi/epdf/10....
#FishEcology #ClimateChange #RiverRestoration #ThermalRefugia #ConservationScience
Takeaway: 𝘓𝘰𝘤𝘢𝘭 𝘵𝘩𝘦𝘳𝘮𝘢𝘭 𝘩𝘦𝘵𝘦𝘳𝘰𝘨𝘦𝘯𝘦𝘪𝘵𝘺 𝘪𝘴 𝘷𝘪𝘵𝘢𝘭 𝘧𝘰𝘳 𝘤𝘰𝘭𝘥-𝘸𝘢𝘵𝘦𝘳 𝘴𝘱𝘦𝘤𝘪𝘦𝘴 𝘳𝘦𝘴𝘪𝘭𝘪𝘦𝘯𝘤𝘦 𝘶𝘯𝘥𝘦𝘳 𝘤𝘭𝘪𝘮𝘢𝘵𝘦 𝘤𝘩𝘢𝘯𝘨𝘦.
✔ All life stages avoid high summer temps (>20°C).
✔ Two cool reaches act as critical refuges, while a warm stretch acts as a thermal barrier.
✔ Key actions: Protect cold-water patches, restore riparian shading, and manage upstream tributaries.
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🔬 𝗡𝗲𝘄 𝘀𝘁𝘂𝗱𝘆 𝗶𝗻 𝗔𝗹𝗹𝗼𝗻𝗱𝗼𝗻 𝗥𝗶𝘃𝗲𝗿 𝘀𝗵𝗼𝘄𝘀 𝗵𝗼𝘄 𝘁𝗵𝗲𝗿𝗺𝗮𝗹 𝗿𝗲𝗳𝘂𝗴𝗲𝘀 𝘀𝗵𝗮𝗽𝗲 𝗘𝘂𝗿𝗼𝗽𝗲𝗮𝗻 𝗴𝗿𝗮𝘆𝗹𝗶𝗻𝗴 (𝑇ℎ𝑦𝑚𝑎𝑙𝑙𝑢𝑠 𝑡ℎ𝑦𝑚𝑎𝑙𝑙𝑢𝑠) 𝘀𝗽𝗮𝘁𝗶𝗮𝗹 𝗱𝗶𝘀𝘁𝗿𝗶𝗯𝘂𝘁𝗶𝗼𝗻 𝗮𝗺𝗶𝗱 𝘄𝗮𝗿𝗺𝗶𝗻𝗴.
Using #10 years of snorkeling surveys + airborne thermal infrared (IRT) mapping, researchers found : (1/3)
After years of non-stop brainstorming and hard work with
@alamarins.bsky.social & co, we're thrilled to present IBASAM (v3): a spatially explicit demo-genetic individual-based model for anadromous salmonids (meta)populations. @inrhttps://ibe.pensoft.net/articles.php?id=153305
The joys of fieldwork in summer: cooling your feet in the water while searching for #thermal refuges for #salmonids 🐟!
Last week, we were on a data collection campaign on the Nivelle River (64, France) to create a thermal map and search for thermal refuges by using airborne thermal infrared #IRTa !
Validating Atlantic salmon (Salmo Salar) scale reading by genetic parent assignment and PIT-tagging. PLOS ONE 20(5): e0316075. doi.org/10.1371/jour...
Tagging is now complete in collaboration with Gestión Ambiental de Navarra, and the pre-smolts have been released into the #Bidasoa!
The HR3 #acoustic receivers were deployed in March, & everything is ready — now we just have to wait for the smolts to start their downstream #migration.
#Conservation
©Colin Bouchard
©Colin Bouchard
©Colin Bouchard
©Colin Bouchard
[Projet LIFE KANTAURIBAI]
#Migration #Salmon
6
@innovasea.com
acoustic receivers
1,750 #tagged #smolts
3 dams monitored
Our work w/ @inrae-ecobiop.bsky.social aims to estimate the probabilities that smolts enter the #hydropower intake canals & assess survival probabilities.
#Ecology #Fisheries
Time to deploy our #acoustic receivers HR3 from @innovasea.com in the Bidasoa before the downstream migration of #salmon for the Life project Kantauribai ! 💪🙏🙈🐟🇪🇺
We just need some visibility for this☺️ Ping @jpverta.bsky.social @fishcongen.bsky.social @alamarins.bsky.social @fishbouchard.bsky.social @evathorstad.bsky.social
Welcome @fishteph.bsky.social ! 🐟 Another fishy scientist in the room 💪
The McGill freshwater ecology group is advertising for a postdoc. Come join me and six other profs!
scasscsa.mcjobboard.net/jobs/165974
If you speak French, you can visit the festival website (festivaldazun.org/index.php/fr...) and listen podcasts on the conferences: www.frequenceluz.com/ca-arrive-pr...
[OPEN SCIENCE]
💡2 days ago, I had the opportunity to give a talk at the Festi'Val d'Azun, which offers conferences that promote #OpenScience.
🔍 1 day was dedicated to ‘#Water & the #Pyrenees’, during which I was able to give a talk on the conservation issues surrounding #Atlantic #Salmon 🐟 .
💼 Projet Life KANTAURIBAI Proyecto Life Kantauribai 🇪🇸 🇫🇷 🇪🇺
End of the first migration season
The 1st migration season ended about a month ago, SCIMABIO Interface went to retrieve all the acoustic receivers with all the data (phew!)
Before the results from a Bayesian model, some figures!
Sure! thanks =)
©SCIMABIO Interface
Deployment of an acoustic receiver ©SCIMABIO Interface
An acoustic receiver used in the project and before its deployment. ©SCIMABIO Interface
Understanding the impact of anthropogenic activities on biodiversity and wildlife is one of the most important questions today. This is notably one of the targeted questions addressed by the European project #LIFEprogramme #Kantauribai.
#RFID #Acoustic #BayesianModel #trackingnotslacking
A tagged salmon in the river. ©SCIMABIO-Interface
Salmon to be released in the river. ©SCIMABIO-Interface
Salmon to be released in the river. ©SCIMABIO-Interface
First release of future #salmon #smolts tagged with PIT tags for the Life #KANTAURIBAI - first big step before modelling their next downstream #migration and the #probability to enter hydropower plant canals. Check the project summary here: tinyurl.com/LifeKantauri... #SCIMABIO-Interface #GAN-NIK