Aug

13

What is Sediment Sampling?

Sediment sampling involves taking representative samples from the bed (benthic) or sub-surface of a tidal or non tidal water body. Sediment samples are commonly taken to assess the physical and chemical characteristics. It can also help to understand the natural and anthropogenic influences on the water quality and sediment lifecycles. The samples are processed, determining any number […]
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Jul

21

Flat Oyster Spat Collectors – July Update

Exo Environmental alongside our partners; University of Essex, Brightlingsea Harbour Commissioners and Richard Haward’s Oysters, are working towards an innovation that reduces commercial risk to native flat oyster production whilst also improving productivity. This project has been made possible thanks to the Seafood Innovation Fund. The Seafood Innovation Fund, or SIF for short, is a […]
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Jul

07

We’re back running Bathymetry Surveys

Earlier this month Exo returned to the water, carrying out a Bathymetry survey, in Brightlingsea harbour. Following earlier dredging work in March 2020, Exo were hired to measure the new water depth of the harbour. Check out our video documenting the return: The survey took place over two separate days. Whilst these surveys usually require […]
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Apr

14

Exo Environmental’s 6th Anniversary!

Spring, who doesn’t love it!? Fun Fact: April was called Eastermonath by the Anglo-Saxon’s and linked to the goddess Eostre, the origin of the word Easter. Modern day Easter is celebrated on the first Sunday after the Paschal full moon, which is the first full moon after the (vernal) spring equinox. Spring marks the point […]
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Mar

30

Surface Textures and Retrofitting

When you visit a coastal town or city, you are almost guaranteed to find some form of concrete structure on the beach. Whether they are seawalls or rock armour, these hard (or grey) engineering structures have become common in the coastal landscape. These defences provide much needed protection from coastal erosion, flooding and storm surge […]
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Mar

26

COVID-19 Company Statement

As I’m sure you’re aware by now, the United Kingdom has entered ‘lock-down’ due to Covid-19 (Coronavirus). Therefore, following the Prime Minister’s latest advice to stay-at-home and work remotely, Exo has taken serious measures with most staff working from home and if being in the building is necessary, then only one member of staff present […]
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Feb

12

Flat Oyster Spat Collectors with CEFAS

Exo Environmental have recently started working on a new flat oyster research and development (R&D) project, funded by CEFAS as part of their Seafood Innovation Fund which aims to promote and develop technologies and methods to reinvigorate aquaculture production within British maritime waters. CEFAS (Centre for Environment, Fisheries & Aquaculture Science) have given the green […]
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Feb

06

Water Framework Directive Assessments (WFD)

Water is essential for life. Whether it is for drinking, cleaning or sustaining the ecosystems which we live in, water is arguably one of the most important resources to us. However, since the industrial revolution, our rivers, lakes, reservoirs and boreholes have seen a major change from their natural state or water quality. Environmental issues […]
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Jan

29

Director of Exo Environmental – Message for 2020

Allow me to introduce myself. I’m William Coulet, and five years ago I started Exo Environmental to enable work and research in this fascinating and fairly bespoke sector. I studied land and water management in the Netherlands for my BSc (2008) and after working for a few years as an Environmental Consultant, I studied MSc […]
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Jan

22

What is PFAS and how does it affect waterbodies?

In July 2018 the Dutch government followed the example of some US states in implementing action levels concerning PFAS substances, stating an upper limit of 0.1 μg / kg. This means that only sediment/silt/soil with PFAS concentrations below this limit can be re-used or disposed at sea. However, because of the widespread disruption this has […]
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