24.10.2019
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Welcome to the Ruppin Estuarine and Coastal Observatory (RECO).

This website describes and documents the ongoing monitoring program and scientific research in the Alexander river estuary and the adjacent shore.

Estuaries are a unique habitat where seawater mixes with fresh water, thus creating a constantly changing ecosystem in terms of salinity and temperature, which in turn, affect many other environmental variables. The marine station of the Israeli School of Marine Sciences at the Ruppin Academic Center has been monitoring the Alexander estuary and the marine and coastal environments near its outfall Since 2014.

Our aim is to help policy makers to better manage the Alexander river and estuary through the understanding of the ecological, biological, geochemical and physical characteristics of the estuary, its effect on the sea and the interactions within and between these complex ecosystems.

Data are freely available for education, research, and public advocacy.

Any commercial use of the data is strictly forbidden unless a written permission has been secured in advance. Scientists who wish to use some of our data in their publications should contact YairSuari (yairsuari@gmail.com).

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Map of monitoring points
Salinity at station A4 (500 upstream from the coastline), deep sampling
The X axis presents salinity levels (practical salinity units/~ grams per liter);
The Y axis presents time points. Note that the normal sea water salinity in this area is 39-40 practical salinity units.
Fresh water are bellow 3 PSU.
Oxygen concentration at station A4 (500 upstream from the coastline), deep sampling
The X axis presents oxygen levels (milligrams per liter); The Y axis presents time points. Note that the normal oxygen saturation concentration (100%) in this area ranges between 11 mg/L (winter,10°C) to 7.6 mg/L (summer, 30°C).
Oxygen levels bellow 1 (less then 10% saturation) mean no life at the substrate.
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Contact: Dr. Yair Suari
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