Although we are aware of the large amount of information that we receive every day from ECOHYDROS with this Newsletter Advanced Ecology of Water try to show you in a simple and attractive way our latest work and some outstanding news in our field of work.

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Thank you very much for your attention, AMH.

CyberHAB Featured in New EOSC DIH Publication

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ECOHYDROS selected, within the IDEA2 Global 2019 program, the eDNA-based species detection and identification initiative at the Massachusetts Institute of Technology. (MIT)


RE-OLIGOTROPHYZATION in deep rivers and lakes 

The case of the river Ebro 

The eutrophication - the excessive enrichment of a body of water with nutrients such as nitrogen (N) and phosphorus (P) - is the most widespread problem on Earth for water quality. However, in rivers, reservoirs, lakes and estuaries in developed countries and emerging economies, the current reduction in nutrient inputs - called re-oligotrophication - is much greater for P than for N.

Although the rapid emergence of this phenomenon has made it difficult to monitor ecological effects in detail, some studies have documented an accelerated shift from green waters to clear waters and hence from phytoplankton to macrophytes as dominant primary producers in response to reoligotrophication. However, the improvement in water quality due to the decrease in P does not necessarily imply a return to pristine ecological conditions, as high N:P ratios cause some undesirable or uncontrolled changes in the ecosystem.

Continue reading :  Changing nutrients, changing rivers (Science 16Agosto2019, DOI: 10.1126/science.aay2723)

Nitrogen in the environment Excess nitrogen causes problems in developed nations, but nitrogen-poor soils threaten food security elsewhere (Science 14Febrero2019, DOI: 10.1126/science.aav8215)

Castilla y León approved a plan to control catfish (Silurus glanis) in the provinces of Burgos and Soria. 

Focused on 4 main water bodies: Sobrón (BU) and Rábanos, Almarail and Cuerda del Pozo (SO) reservoirs. Order FYM/491/2019, from the Department of Development and Environment (BOCYL Nº 100, dated 28 May 2019).

In implementation of Regulation (UE) 1143/2014 of the European Parliament and of the Council on the prevention and management of the introduction and spread of invasive alien species, which establishes a coordinated EU framework for action to prevent, minimise and mitigate the adverse effects on biodiversity of the intentional and unintentional introduction and spread within the Union of invasive alien species.

In addition to Law 42/2007 on Natural Heritage and Biodiversity,  creates the Spanish Catalogue of Invasive Exotic Species to include all those invasive species and subspecies that constitute a serious threat to native species, habitats or ecosystems, agronomy or economic resources associated with the use of natural heritage.

ECOHYDROS works in the early detection of the presence of catfish in waters of the Ebro basin, in reservoirs where its recent introduction is suspected, by means of modern eDNA techniques. 

eDNA is the tool for the future management of aquatic ecosystems
At ECOHYDROS we are pioneers in using this technique to advise administrations concerned with the quality of aquatic ecosystems and/or protected species, and the control of invasive species. We advise you

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Fluorometer MatrixFlu
matrixFlu VIS is a high-end fluorometer that combines multiple excitation and fluorescence detection wavelengths in one device with a very compact design. Equipment for fixed or floating installations, or portable for in situ measurements of algae and cyanobacteria photopigments, as well as CDOM.

If you want to know it in depth, we advise you with the support of TriOS engineers
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