Suivi scientifique
Suivi des cyanobactéries
de la qualité des eaux de l'Erdre
Teneur en Cyanobactéries (cellules/ml)
Le point d’analyse se situe au niveau de la plage du réservoir de Vioreau.
2021
![vioreau-ars-2021](https://www.edenn.fr/wp-content/uploads/vioreau-ars-2021.jpg)
2020
![Courbe_vioreau_plage_2020](https://www.edenn.fr/wp-content/uploads/Courbe_vioreau_plage_2020.png)
2019
![Vior_cyano_2019](https://www.edenn.fr/wp-content/uploads/Vior_cyano_2019.jpg)
2018
![viorreau-cyano_2018](https://www.edenn.fr/wp-content/uploads/viorreau-cyano_2018.png)
2017
![graph-cyano-vioreau-2017](https://www.edenn.fr/wp-content/uploads/graph-cyano-vioreau-2017.png)
2016
![graph-cyano-vioreau-2016](https://www.edenn.fr/wp-content/uploads/graph-cyano-vioreau-2016.png)
2015
![cyano-vioreau-2015](https://www.edenn.fr/wp-content/uploads/cyano-vioreau-2015.png)
2010
![vioreau-cyano-2010](https://www.edenn.fr/wp-content/uploads/vioreau-cyano-2010.gif)
2009
![vioreau-cyano-2009](https://www.edenn.fr/wp-content/uploads/vioreau-cyano-2009.gif)
Le point d’analyse se situe au niveau du port de Nort sur Erdre.
2023
![Nort_23](https://www.edenn.fr/wp-content/uploads/Nort_23.png)
2022
![nort_cyano_2022](https://www.edenn.fr/wp-content/uploads/nort_cyano_2022.png)
2021
![cyano_nort_2021](https://www.edenn.fr/wp-content/uploads/cyano_nort_2021.png)
2020
![Courbe_Nort_2020](https://www.edenn.fr/wp-content/uploads/Courbe_Nort_2020.png)
2019
![Nort_cyano_2019](https://www.edenn.fr/wp-content/uploads/Nort_cyano_2019.jpg)
2018
![nort-erdre-cyano_2018](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano_2018.png)
2017
![nort-cyano-2017](https://www.edenn.fr/wp-content/uploads/nort-cyano-2017.jpg)
2016
![graph-cyano-nort-2016](https://www.edenn.fr/wp-content/uploads/graph-cyano-nort-2016.png)
2015
![cyano-nort-2015](https://www.edenn.fr/wp-content/uploads/cyano-nort-2015.png)
2014
![2014-nortsurerdre-cyano](https://www.edenn.fr/wp-content/uploads/2014-nortsurerdre-cyano.png)
2013
![nort-erdre-cyano-13](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-13.png)
2012
![nort-erdre-cyano-12](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-12.gif)
2011
![nort-erdre-cyano-11](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-11.gif)
2010
![nort-erdre-cyano-10](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-10.gif)
2009
![nort-erdre-cyano-09](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-09.gif)
2008
![nort-erdre-cyano-08](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-08.gif)
2007
![nort-erdre-cyano-07](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-07.gif)
2006
![nort-erdre-cyano-06](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-06.gif)
2005
![nort-erdre-cyano-05](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-05.gif)
2004
![nort-erdre-cyano-04](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-04.gif)
2003
![nort-erdre-cyano-03](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-03.gif)
2002
![nort-erdre-cyano-02](https://www.edenn.fr/wp-content/uploads/nort-erdre-cyano-02.gif)
Le point d’analyse se situe au niveau des plaines de Mazerolles avant 2008,
et au niveau du pont de Sucé/Erdre pour les mesures EDENN après 2008 .
2023
![Suce_23](https://www.edenn.fr/wp-content/uploads/Suce_23.png)
2022
![suce_cyano_2022](https://www.edenn.fr/wp-content/uploads/suce_cyano_2022.png)
2021
![sucyano-suce_2021](https://www.edenn.fr/wp-content/uploads/sucyano-suce_2021.png)
2020
![Courbe_Suce_2020](https://www.edenn.fr/wp-content/uploads/Courbe_Suce_2020.png)
2019
![Suce_cyano_2019](https://www.edenn.fr/wp-content/uploads/Suce_cyano_2019.jpg)
2018
![suce-erdre-cyano_2018](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano_2018.png)
2017
![suce-cyano-2017](https://www.edenn.fr/wp-content/uploads/suce-cyano-2017.jpg)
2016
![graph-cyano-suce-2016](https://www.edenn.fr/wp-content/uploads/graph-cyano-suce-2016.png)
2015
![cyano_suce_2015](https://www.edenn.fr/wp-content/uploads/cyano_suce_2015.png)
2014
![2014-sucesurerdre-cyano](https://www.edenn.fr/wp-content/uploads/2014-sucesurerdre-cyano.png)
2013
![suce-erdre-cyano-13](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-13.png)
2012
![suce-erdre-cyano-12](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-12.gif)
2011
![suce-erdre-cyano-11](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-11.gif)
2010
![suce-erdre-cyano-10](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-10.gif)
2009
![suce-erdre-cyano-09](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-09.gif)
2008
![suce-erdre-cyano-08](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-08.gif)
2007
![suce-erdre-cyano-07](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-07.gif)
2006
![suce-erdre-cyano-06](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-06.gif)
2005
![suce-erdre-cyano-05](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-05.gif)
2004
![suce-erdre-cyano-04](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-04.gif)
2003
![suce-erdre-cyano-03](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-03.gif)
2002
![suce-erdre-cyano-02](https://www.edenn.fr/wp-content/uploads/suce-erdre-cyano-02.gif)
Le point d’analyse se situe au niveau de Carquefou – Port Jean.
2023
![Carq_23](https://www.edenn.fr/wp-content/uploads/Carq_23.png)
2022
![carquefou_cyano_2022](https://www.edenn.fr/wp-content/uploads/carquefou_cyano_2022.png)
2021
![cyano-carque-2021](https://www.edenn.fr/wp-content/uploads/cyano-carque-2021.png)
2020
![Courbe_Carquefou_2020](https://www.edenn.fr/wp-content/uploads/Courbe_Carquefou_2020.png)
2019
![Carq_cyano_2019](https://www.edenn.fr/wp-content/uploads/Carq_cyano_2019.jpg)
2018
![carquefou-cyano_2018](https://www.edenn.fr/wp-content/uploads/carquefou-cyano_2018.png)
2017
![carq-cyano-2017](https://www.edenn.fr/wp-content/uploads/carq-cyano-2017.jpg)
2016
![graph-cyano-carquefou-2016](https://www.edenn.fr/wp-content/uploads/graph-cyano-carquefou-2016.png)
2015
![cyano_carquefou_2015](https://www.edenn.fr/wp-content/uploads/cyano_carquefou_2015.png)
2014
![carquefou-cyano-14](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-14.png)
2013
![carquefou-cyano-13](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-13.png)
2012
![carquefou-cyano-12](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-12.gif)
2011
![carquefou-cyano-11](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-11.gif)
2010
![carquefou-cyano-10](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-10.gif)
2009
![carquefou-cyano-09](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-09.gif)
2008
![carquefou-cyano-08](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-08.gif)
2007
![carquefou-cyano-07](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-07.gif)
2006
![carquefou-cyano-06](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-06.gif)
2005
![carquefou-cyano-05](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-05.gif)
2004
![carquefou-cyano-04](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-04.gif)
2003
![carquefou-cyano-03](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-03.gif)
2002
![carquefou-cyano-02](https://www.edenn.fr/wp-content/uploads/carquefou-cyano-02.gif)
Le point d’analyse se situe au niveau de la Jonelière.
2023
![jone_23](https://www.edenn.fr/wp-content/uploads/jone_23.png)
2022
![joneliere_cyano_2022](https://www.edenn.fr/wp-content/uploads/joneliere_cyano_2022.png)
2021
![cyano-jone-2021](https://www.edenn.fr/wp-content/uploads/cyano-jone-2021.png)
2020
![Courbe_Joneliere_2020](https://www.edenn.fr/wp-content/uploads/Courbe_Joneliere_2020.png)
2019
![Jone_cyano_2019](https://www.edenn.fr/wp-content/uploads/Jone_cyano_20191.jpg)
2018
![joneliere-cyano_2018](https://www.edenn.fr/wp-content/uploads/joneliere-cyano_2018.png)
2017
![joneliere_2017](https://www.edenn.fr/wp-content/uploads/joneliere_2017.jpg)
2016
![graph-cyano-joneliere-2016](https://www.edenn.fr/wp-content/uploads/graph-cyano-joneliere-2016.png)
2015
![cyano-jonelière-2015](https://www.edenn.fr/wp-content/uploads/cyano-jonelière-2015.png)
2014
![2014-joneliere-cyano](https://www.edenn.fr/wp-content/uploads/2014-joneliere-cyano.png)
2013
![joneliere-cyano-13](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-13.png)
2012
![joneliere-cyano-12](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-12.gif)
2011
![joneliere-cyano-11](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-11.gif)
2010
![joneliere-cyano-10](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-10.gif)
2009
![joneliere-cyano-09](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-09.gif)
2008
![joneliere-cyano-08](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-08.gif)
2007
![joneliere-cyano-07](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-07.gif)
2006
![joneliere-cyano-06](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-06.gif)
2005
![joneliere-cyano-05](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-05.gif)
2004
![joneliere-cyano-04](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-04.gif)
2003
![joneliere-cyano-03](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-03.gif)
2002
![joneliere-cyano-02](https://www.edenn.fr/wp-content/uploads/joneliere-cyano-02.gif)
Le point d’analyse se situe au niveau de la prise d’eau potable de secours.
2023
![StFelix_23](https://www.edenn.fr/wp-content/uploads/StFelix_23.png)
2022
![stfelix_cyano_2022](https://www.edenn.fr/wp-content/uploads/stfelix_cyano_2022.png)
2021
![cyano-stFelix_2021](https://www.edenn.fr/wp-content/uploads/cyano-stFelix_2021.png)
2020
![Courbe_StFelix_2020](https://www.edenn.fr/wp-content/uploads/Courbe_StFelix_2020.png)
2019
![Felix_cyano_2019](https://www.edenn.fr/wp-content/uploads/Felix_cyano_2019.jpg)
2018
![stfelix-cyano_2018](https://www.edenn.fr/wp-content/uploads/stfelix-cyano_2018.png)
2017
![felix-cyano-2017](https://www.edenn.fr/wp-content/uploads/felix-cyano-2017.jpg)
2016
![graph-cyano-stfelix-2016](https://www.edenn.fr/wp-content/uploads/graph-cyano-stfelix-2016.png)
2015
![Cyano-Saint-Felix-2015](https://www.edenn.fr/wp-content/uploads/Cyano-Saint-Felix-2015.png)
2014
![2014-Stfelix-cyano](https://www.edenn.fr/wp-content/uploads/2014-Stfelix-cyano.png)
2013
![vioreau-cyano-2009](https://www.edenn.fr/wp-content/uploads/vioreau-cyano-2009.gif)
2012
![2013-Stfelix-cyano](https://www.edenn.fr/wp-content/uploads/2013-Stfelix-cyano2.png)
2011
![saint-felix-2011](https://www.edenn.fr/wp-content/uploads/saint-felix-2011.gif)