Saturday, July 5, 2025

Polaris of Enlightenment

Significant amounts of drugs found in England’s coastal waters

Published 19 June 2023
– By Editorial Staff
Some of the water samples were taken at Langstone in Newport.
2 minute read

Drugs, pesticides and chemicals have been found in hundreds of water samples along the English coast. E. coli bacteria have also been found in large quantities.

The study collected hundreds of water samples from the south coast of England. In more than 288 of the water samples, more than 50 substances were found in 22 locations, reports The Guardian. These included drugs such as diabetes medication, chemicals produced by the liver after taking cocaine and even banned pesticides. The study is part of an increased effort to raise awareness of coastal pollution by the Clean Harbour Partnership (CHP).

– This project is enabling us to determine what chemical contaminants are in our marine life and coastal waters, said Alex Ford, Professor at the University of Portsmouth. We have found a large variety of prescribed and illegal drugs plus a variety of pesticides in coastal waters and marine organisms, such as crabs and oysters.

Ford has previously published research showing that even very small amounts of antidepressants in water can affect crustaceans and molluscs, for example. Drugs affect the behavior and biological composition of these creatures, including by causing them to change color or reproduce differently.

– The release of human pharmaceuticals into aquatic ecosystems is an environmental problem we should consider seriously, says the professor.

The study also found that there were high levels of E. coli bacteria. For example, one water sample showed levels 760 times higher than what is considered safe under the European Bathing Water Directive.

Thanks to funding from the community, we are starting to get an insight into the cocktail of chemicals that are contaminating our seawater and their sources, says Rob Bailey, co-founder of the CHP. Some pesticides appear to have been left behind for years and the presence of partially digested antidepressants, drugs for type 2 diabetes and urinary tract infections is worrying. So little is known about their impact on marine life.

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The forest lives when trees die

Biodiversity

Published yesterday 10:15
– By Editorial Staff
Leaving a variety of dead trees in forests is vital for many species' survival.
2 minute read

When old trees die, life begins for many other species, according to a new dissertation. Numerous threatened species need dead wood to survive, along with a varied landscape.

Dead wood, meaning dead trees and branches in nature, is vital for about a quarter of Sweden’s beetle species. Many fungal species also depend on dead wood for survival.

Together with microorganisms and fungi, beetles contribute to the decomposition of tree remains, which provides nutrients to the soil and creates habitats for other insects that, in turn, become food for birds and other animals.

However, many of these fungal and beetle species are threatened today, partly because dead wood has become scarce – especially in managed forests. Paulina Bergmark from the Swedish University of Agricultural Sciences (SLU) has examined in her dissertation whether these species are better preserved in landscapes where nature conservation is combined with forestry, often called eco-parks. The state-owned Swedish forestry company Sveaskog established the first eco-parks about 20 years ago, with the aim of supporting species negatively affected by traditional forestry. Today, there are 37 such forests in total.

In five of these eco-parks, Bergmark studied beetle and fungal species living in high-cut stumps. She then compared the results with four areas in regular production forests.

More red-listed species

The eco-parks contained more diverse tree species and good access to dead wood. The production forests had many beetles, but not to the same extent as the eco-parks.

– Generally, we found both more species and a larger number of red-listed species in the eco-parks compared to the production forests, she says in a press release.

The dissertation also highlighted the importance of tree diversity in forests. Different types of dead trees benefit different species, according to Bergmark.

– In the eco-parks’ varied landscapes, there is a larger proportion of forest where both old and young trees contribute to the creation of new dead wood over time. Increasing variation with both deciduous and coniferous trees in different stages of decomposition can be an effective way to strengthen biodiversity in managed forests, she says.

Moose and polecat added as threatened species on Sweden’s red list

Biodiversity

Published yesterday 7:22
– By Editorial Staff
The moose population has increased significantly in northern Sweden - but across the country as a whole, there is a clear decline.
2 minute read

The Swedish University of Agricultural Sciences (SLU) has published a new preliminary version of the red list, where the moose and European polecat are now proposed to be classified as threatened species. Meanwhile, the Eurasian otter is considered to have recovered sufficiently to be removed – after a long period of growth.

The red list is a compilation of species deemed to have such small or declining populations that they risk disappearing from the country in the long term. It is updated every five years, and this year’s preliminary version is open for review and reporting until September 15.

The red-listing of the moose may come as a surprise – especially in northern Sweden, where the population has increased in several areas. In several counties, hunting pressure has therefore been increased to reduce browsing damage. However, looking at the country as a whole, the moose population has decreased by almost a quarter over ten years.

– We are not influenced by any societal goals or the forestry industry’s desire to reduce the population, says Henrik Thurfjell, species group manager at SLU’s Species Information Centre, to Swedish news agency TT.

According to Thurfjell, hunting is the main cause of the decline – despite many hunting teams deliberately shooting fewer moose than their allocated quotas.

– While there are concerns about warmer climate and diseases, the main reason is hunting, he says.

Porpoise in danger, otter recovering

Another species causing concern is the Belt Sea harbor porpoise, which often gets caught in fishing nets as bycatch. Meanwhile, some species show clear recovery. The Eurasian otter has steadily increased for several years and is now being removed from the list, thanks in part to efforts to reduce environmental toxins and chemicals in Swedish water environments.

For a species to be reclassified as viable, the rate of decline must have been below 15 percent over three generations. However, even if this requirement is met, the species is kept on the list for an additional five years as a precautionary measure before potentially being completely removed.

The European polecat, now proposed for red-listing, is believed to be declining in numbers – partly due to competition from otters, which inhabit the same environments.

This year’s preliminary list includes more new additions than removals. In total, 210 species have been added, and 228 have received changed classifications compared to the previous list. Among the newly red-listed species are the elder-flowered orchid, sea trout, herring, and the ringed seal – a seal species native to the Baltic Sea.

Being red-listed doesn’t mean a species is immediately facing extinction. The criteria vary depending on the species. A population of under 20,000 individuals may be sufficient for red-listing – but in other cases, such as for the golden eagle, the number must fall below 2,000.

Peace activist urges NATO–Russia cooperation over toxic munitions on Baltic Sea floor

The new cold war

Published 1 July 2025
– By Editorial Staff
Approximately 40 tons of hazardous chemical warfare agents lie scattered on the bottom of the Baltic Sea, according to experts.
2 minute read

An estimated 1.6 million tons of World War II ammunition still lies at the bottom of the North Sea and Baltic Sea.

According to experts, this not only poses a security threat but also a growing environmental risk – and removal should be done through international cooperation rather than individual initiatives.

The majority of the ammunition, primarily left behind by Nazi Germany, consists of conventional shells. However, about 40 tons contain dangerous chemical warfare agents, including mustard gas and phosgene. After decades underwater, many of the containers have begun to corrode, posing a threat to the marine ecosystem and potentially to coastal areas.

– The question was how to deal with the recovery of these poison time bombs for the biosphere of the Baltic Sea. Of course, due to the corrosion of these vessels, there is a danger for the fish and the plants, and other countries, says German publicist and peace activist Bernhard Trautvetter in an interview with RT.

He emphasizes that the responsibility cannot lie with a single country and that NATO countries in the Baltic region, as well as Russia, which has access to these waters through its exclave of Kaliningrad and the St. Petersburg area, must join forces to “pull this time bomb out of the world”.

German pilot project

Germany launched a pilot project in 2023 to salvage the ammunition, conducting work in the Bay of Lübeck, with the first phase completed in April this year. The authorities described the project as a success but acknowledged that further technical adaptations are needed in areas where ammunition concentrations are particularly high.

The initiative has simultaneously raised concerns among environmental organizations, researchers, and neighboring countries about how the recovery affects the marine environment, especially if conducted without cross-border coordination.

Russia has long expressed concern about the chemical legacy of the war and has repeatedly called for an international effort to clear the seabed of war materials. In practice, however, Russia has been kept out of the efforts made so far, largely due to the deteriorated security situation and the frosty relationship with the West following the initiation of the war in Ukraine.

EU classifies mink as invasive

Biodiversity

Published 25 June 2025
– By Editorial Staff
Minks threaten biodiversity by preying on birds, amphibians and small mammals, causing great damage to sensitive ecosystems.
2 minute read

The EU’s list of invasive alien species has been updated – mink is now included. However, Finland plans to apply for an exemption to continue fur farming.

The European Union has updated its list of alien species that threaten biodiversity. The species on the list are banned from being imported, sold, bred, cultivated or used within the EU. One of the most notable new additions is the mink – a decision that is causing concern in the Finnish fur industry, which has been heavily criticised in many quarters.

Invasive species are animals and plants that spread to new areas and cause ecological imbalance. They can outcompete native species and cause significant damage to ecosystems. The EU list is intended as a tool to limit their spread and protect biodiversity.

The inclusion of mink in the ban could deal a severe blow to Finland’s controversial fur farms, but Finland hopes to obtain an exemption, as it did in 2017 when the raccoon dog was added to the list.

– The assessment is that Finland is likely to be granted an exemption, says Karin Cederlöf, government secretary at the Ministry of Agriculture and Forestry.

North American beaver displacing European variety

If the exemption is approved, mink farming could continue in the country, but under stricter safety requirements. However, no new farms would be allowed to be established.

Finland is now preparing an official request to the EU for an exemption for mink. The government and parliament have given the go-ahead, and work will start immediately after the summer break.

In addition to mink, the North American beaver has also been added to the list. Finland has already taken measures to reduce the spread of the disease in order to protect the endangered European beaver. These efforts will now be further intensified, according to Cederlöf.

Several new bird and fish species as well as plants are also covered by the rules. Among mammals, in addition to mink, sika deer is also among the newly added species.

The EU’s work against invasive species is usually described as a central part of the Union’s environmental strategy, and the list is updated regularly as new threats are identified. For Finland, the decisions represent a delicate balance between nature conservation and economic interests – and the exemption for mink could be decisive for the future of the fur industry.

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