The Valletta Convention: the next 25 years

Hans Huisman, M. Groenendijk, Dominique Ngan-Tillard, J. Sidell, J. Williams

Research output: Contribution to conferenceAbstractScientific


Signed 25 years ago, the Valletta treaty places a strong emphasis on the protection of archaeological sites. Because of acute threats of archaeological site destruction by construction activities, a major result was a massive increase in rescue and preventative excavations on threatened sites. The Treaty also proposed that heritage assets should be preserved in situ, where feasible, and recommended member states share knowledge and training on this subject. Over the past 25 years a range of pilot projects and detailed one-off studies on specific sites have been conducted across Europe. In this session, we will discuss new insights we have gained into human and natural threats to archaeological sites, and practical ways to deal with them, including a) assessing and limiting the impact of construction on archaeological sites, e.g. the effects of piling and loading; b) determining the effects that agricultural practices, nature conservation projects and other rural land-use change have on archaeological sites and what mitigating measures are possible; c) developing and future-proofing protective measures and dynamic schemes for site protection; d) monitoring and assessment of the state of preservation of archaeological sites and materials, especially with regard balancing high-tech intense monitoring on few with low-tech extensive monitoring on larger numbers of sites; e) effects of climate change on the preservation of archaeological sites.
Original languageEnglish
Number of pages1
Publication statusPublished - 2017
Event23rd Annual meeting of the European Association of Archaeologists: Building bridges - Maastricht, Netherlands
Duration: 30 Aug 20173 Sept 2017
Conference number: 23


Conference23rd Annual meeting of the European Association of Archaeologists
Abbreviated titleEAA 2017
Internet address


  • Preservation
  • Monitoring
  • Guidelines


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