UPDATES: Historic decision for Poros aquaculture >>

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Topic: Greece (EU)
After 15 Years, Historic Decision in Poros
Poseidon Article
August 08 - 2025
GR Europe

After 15 Years, Historic Decision in Poros

Poseidon Project

A committee of the Greek Ministry of the Environment has announced its unanimous decision to reject ...
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Legislation / Poros
Greece's aquaculture boom killing vital seagrass, University of Oxford research finds
News
July 30 - 2025
EN Europe

Greece's aquaculture boom killing vital seagrass, University of Oxford research finds

Seafood Source

Research conducted by the University of Oxford claims that the rapid expansion of fish farms in the Mediterranean Sea is killing wide swaths of Posidonia oceanica, a seagrass that’s endemic to the Mediterranean and vital to biodiversity and carbon sequestration in the region.

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Organic waste (e.g. feed or feces) / Poros / Sea Bass / Sea Bream
Large-scale analysis of environmental and ecological impacts of marine finfish aquaculture in the Aegean and Ionian Sea (Eastern Mediterranean)
Research
May 26 - 2025
EN Europe

Large-scale analysis of environmental and ecological impacts of marine finfish aquaculture in the Aegean and Ionian Sea (Eastern Mediterranean)

Science of The Total Environment

Marine finfish aquaculture is a rapidly expanding industry and contributes significantly to global seafood production. However, this rapid growth raises concerns about its environmental impacts. In Greece, legislation on environmental monitoring of fish farms was implemented in 2019. These monitoring activities have resulted in a large-scale dataset on geochemical, sedimentological and macrofaunal parameters obtained from 106 fish farms in Greece. We use this dataset to detect overarching patterns regarding the spatial extent of the impact of fish farms on geochemical and ecological sediment parameters and to evaluate the modulating role of various environmental factors on the impact. Data were collected from 2019 to 2023 at 343 stations and analysed for geochemical and sedimentological (organic carbon, nitrogen, phosphorus, heavy metals, granulometry) and ecological (macrobenthic communities, ecological quality) parameters. Results show that organic and nutrient enrichment in sediments were detectable at least up to 130 m from the cage edges, while impacts on benthic macrofaunal indices were mostly limited to tens of meters. Sediment characteristics and geographic location were the main drivers for pollutant accumulation and benthic community responses, but the findings also underline the complexity of ecosystem responses and the importance of local conditions. We evaluate these findings with respect to monitoring practices and provide recommendations to improve environmental management and inform sustainable aquaculture practices.
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Organic waste (e.g. feed or feces)
Healthy Seas: Cleaning Up 'Dead' Fish Farms
News
June 06 - 2024
GR Europe

Healthy Seas: Cleaning Up 'Dead' Fish Farms

Kathimerini

The action of the Healthy Seas organization. In the last mission, the team recovered 35,820 kg of waste in Nafpaktia and 6,870 in Ithaca. By Ioanna Photiadi.

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Fish Farms: The Immediate Threat Of Their Expansion and the Ignorance Of Risk
Investigative Journalism
June 06 - 2024
GR Europe

Fish Farms: The Immediate Threat Of Their Expansion and the Ignorance Of Risk

To BHMA

Overabundance of fish farms is a risk to both the marine environment and the economy. By Christos Logaras

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Tourism / Poros / Sea Bass / Sea Bream / Chemicals (e.g. Formaldehyde)
Wherever produces bass and bream, we're interested': Greek company hunts for acquisitions
Investigative Journalism
May 23 - 2024
EN Europe

Wherever produces bass and bream, we're interested': Greek company hunts for acquisitions

Intrafish

Philosofish plans to double revenue through acquisitions and product launches as it sees 'good signs' on Mediterranean bass and bream prices.
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Sea Bass / Sea Bream
‘Amazing assets, amazing locations’: How Avramar’s new owner plans to transform a company and an industry
Investigative Journalism
February 25 - 2024
EN Europe

‘Amazing assets, amazing locations’: How Avramar’s new owner plans to transform a company and an industry

Intrafish

The CEO of Dubai-based Aqua Bridge tells IntraFish why the overhaul of a failing bass and bream producer will be 'transformational'.

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Sea Bass / Sea Bream
The sustainability of aquaculture in Greece
Opinion
December 01 - 2023
EN Europe

Article on TVXS on the sustainability of aquaculture in Greece

Archipelagos Institute of Marine Conservation

Exploring the dilemma between development in Greece of fish farming for economic gain versus environmental and health concerns.
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Marine Flora (e.g. Poseidon meadows or seaweed) / Salmon / Sea Bass / Sea Bream / Marine fauna
Greek Fish Farming and Its Smuggling Mafia
News
October 30 - 2023
EN Europe

Greek Fish Farming and Its Smuggling Mafia

Kathimerini

It is estimated that between 7,000 and 10,000 tons of fish are traded illegally, as they are not recorded in accounting statements.
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IUUs (illegal unreported and unregulated)
Litter Free Fish Farming Initiative
News
October 25 - 2023
EN Europe

Litter Free Fish Farming Initiative

Katheti

An analysis by independent consultants Poseidon Aquatic Resource Management Ltd. reveals that a 2015 Strategic Environmental Impact Assessment (SEIA) for aquaculture development on Poros contains significant flaws and insufficiencies.
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Organic waste (e.g. feed or feces) / Infrastructure (Cages or processing plants) / Tourism / Legislation / Poros
Fish farms in Poros: Why the residents don't want them
Investigative Journalism
October 24 - 2023
GR Europe

Fish farms in Poros: Why the residents don't want them

Solomon

A quarter of the island in the Saronic Gulf is set to be dedicated to fish farming, increasing its activity by 670%. The municipal authorities and residents — who disagree with the plan — fear that the character of the island will change forever. 

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Marine Protected Areas / Investment and subsidies / Tourism / Legislation / Poros / Sea Bream / Sea Bass / Chemicals (e.g. Formaldehyde)
Flaws and Insufficiencies in Environmental Impact Assessment for Industrial Aquaculture Development on Island of Poros
News
October 23 - 2023
EN Europe

Flaws and Insufficiencies in Environmental Impact Assessment for Industrial Aquaculture Development on Island of Poros

Katheti

An analysis by independent consultants Poseidon Aquatic Resource Management Ltd. reveals that a 2015 Strategic Environmental Impact Assessment (SEIA) for aquaculture development on Poros contains significant flaws and insufficiencies.

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Infrastructure (Cages or processing plants)
Expression of Opinion on the Proposed SEA for the Establishment of POAU in the Regions of Argolis, Arcadia and Methanone
Opinion
October 07 - 2023
GR Europe

Expression of Opinion on the Proposed SEA for the Establishment of POAU in the Regions of Argolis, Arcadia and Methanone

Arcadia Portal

Pan-Arcadian Federation of Greece (P.O.E.) opposition to the proposed expansion of fish farms, given concerns around tourism.
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Organic waste (e.g. feed or feces) / Tourism / Legislation
87% of Poros Opposes Expansion of Fish Farming
Research
September 14 - 2023
EN Europe

87% of Poros Opposes Expansion of Fish Farming

Katheti

The survey, conducted in July 2023 by Kapa Research, measured how aware residents were of the plans for the national government to expand fish farms across Greece as well as how much they knew about plans to expand fish farming specifically on the popular tourist island, Poros.
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Tourism / Labor / Legislation / Poros / Sea Bass / Sea Bream
Greek island's fierce opposition to the uncontrolled growth of fish farming
Paywall on this site
Investigative Journalism
August 22 - 2023
EN Europe

Greek island's fierce opposition to the uncontrolled growth of fish farming

Le Monde

Designated by the Greek government as a strategic area for aquaculture, Poros could soon see a quarter of its coastline invaded by fish breeding ponds. Local residents are up in arms against the project, which they believe will negatively impact tourism.
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Inorganic waste (e.g. plastics) / Marine Flora (e.g. Poseidon meadows or seaweed) / Marine Protected Areas / Organic waste (e.g. feed or feces) / Tourism / Sea Bream / Sea Bass
Fishing for Profits: How New York’s Amerra Capital Came to Dominate Mediterranean Aquaculture
Research
July 20 - 2023
EN Europe

Fishing for Profits: How New York’s Amerra Capital Came to Dominate Mediterranean Aquaculture

Katheti

Money manager with mediocre performance eyes big pay day from aquaculture. Amerra seeking to raise more capital before selling stake in Mediterranean fish farmer, and shifted into private equity from private debt amid failures and fraud accusations.

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Certification schemes / Tourism / Poros / Sea Bass / Sea Bream / Salmon
Investigative Journalism
June 26 - 2023
EN Europe

Saving Poros

Katheti

Paradoxically, it is precisely the pristine nature of Poros that is marking its future: the absence of large production or tourist activities was considered by the Greek authorities a criterion for including the island in a list of allocated zones for the expansion of industrial fish farming.
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Tourism / Poros / Marine fauna / Organic waste (e.g. feed or feces) / Chemicals (e.g. Formaldehyde) / Antibiotics / Sea Bass / Sea Bream / Labor
Mobilizations in Dorida to prevent the creation of two new fish farming units - Together with the municipality, residents and agencies.
News
June 05 - 2023
GR Europe

Mobilizations in Dorida to prevent the creation of two new fish farming units - Together with the municipality, residents and agencies.

Nafpaktia News

The residents of the Municipality of Doridos started the mobilization against the creation of two new fish farming units in Prasoudi and Mavro Oros in NE.
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Legislation
Euboic SOS!! Occupation of 22,000 marine acres with polluting fish farms from Marmari to Oreus!!
News
May 31 - 2023
GR Europe

Euboic SOS!! Occupation of 22,000 marine acres with polluting fish farms from Marmari to Oreus!!

Evia Today

Despite environmental concern, a Draft Presidential Decree is under approval that will institutionalize the establishment of an industrial fish farming zone throughout the Evia.
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Legislation / Organic waste (e.g. feed or feces) / Antibiotics
The Mediterranean Monk Seal is Threatened by Poros Fish Farms
Investigative Journalism
April 27 - 2023
EN Europe

The Mediterranean Monk Seal is Threatened by Poros Fish Farms

Katheti

The existence of top predators in the marine environment is very important for the protection and stability of ecosystems. Consequently, the Mediterranean monk seal is considered an indicator of the marine environment health. Its disappearance also means the beginning of the marine ecosystems degradation.
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Poros / Marine fauna / Sea Bass / Sea Bream
No industrial-scale fish farms at Poros!
Opinion
April 04 - 2023
EN Europe

No industrial-scale fish farms at Poros!

Katheti

The establishment of industrial-scale fish farms at Poros is a decisive action for the future of the island, with significant effects on its character and the quality of its natural environment.
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Marine Flora (e.g. Poseidon meadows or seaweed) / Marine fauna / Tourism / Legislation / Poros / Sea Bass / Sea Bream
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