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Forest heritage

EU-PoTaRCh COST action connects the past, present, and future of key non-timber forest products in Europe and beyond. Focusing on forest by-products like Potash, Tar, Resin, and Charcoal (PoTaRCh), it highlights their significance in traditional forest use and their role in industrial history. The project also explores related products like tannins and pitches, shedding light on their impact on European heritage.

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Discover Traditional Forest Resources

Potash

A key component in fertilizers and historical production processes, essential in agriculture and chemical industries for centuries.

Tar

A natural product widely used, from wood preservation to shipbuilding, with deep roots in traditional industries.

Resin

A versatile substance valued for medicinal and industrial uses, employed in making medicines, varnishes, and incense.

Charcoal

Vital in early metallurgy and smelting, now mainly used in filtration and grilling.

Read and Watch our News

Workshop at Šelmbek Castle

Workshop „Presentation of PoTarCh technologies to tourists and general public with a specifal focus on experimental tar making” was organised by the Institute of Ethnology CAS in cooperation with other… read more
Environmental History of Resin and Charcoal Workshop

Organized by WG4 – Environmental History Working Group (EU-PoTaRCh)Date: 1–5 September 2025Venue: Gutenstein, Lower Austria (Niederösterreich), Austria We are pleased to announce the upcoming Environmental History of Resin and Charcoal Workshop, taking place… read more
1st EU-PoTaRCh Webinar in GP2 – May 22nd, 10:30 CET

We are pleased to invite you to the 1st Webinar of Grand Period 2, which will take place on May 22nd at 10:30 CET. All members are warmly welcome to… read more
MetroArcheo Registration Deadline is EXTENDED until May 30th

MetroArcheo Registration Deadline is EXTENDED until May 30th Special Session on the Analytical Characterization of Historical Forest By-products This session focuses on the scientific study of traditional forest-derived materials—Potash, Pitch,… read more