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Environmental archaeology

From Wikipedia, the free encyclopedia
This article is about the subfield of archaeology. For the journal, see Environmental Archaeology.
Two men in a field of wheat struggling to push a rod into soil.
Geoarchaeological survey of stratigraphic units using a versatile coring unit, a common tool for environmental archaeologists.

Environmental archaeology is a sub-field of archaeology which emerged in 1970s[1] and is the science of reconstructing the relationships between past societies and the environments they lived in.[2][3] The field represents an archaeological-palaeoecological approach to studying the palaeoenvironment through the methods of human palaeoecology and other geosciences. Reconstructing past environments and past peoples' relationships and interactions with the landscapes they inhabited provide archaeologists with insights into the origins and evolution of anthropogenic environments and human systems. This includes subjects such as including prehistoric lifestyle adaptations to change and economic practices.[4]

Environmental archaeology is commonly divided into three sub-fields:

Environmental archaeology often involves studying plant and animal remains in order to investigate which plant and animal species were present at the time of prehistoric habitations, and how past societies managed them. It may also involve studying the physical environment and how similar or different it was in the past compared to the present day. An important component of such analyses represents the study of site formation processes.[5]

This field is particularly useful when artifacts may be absent from an excavated or surveyed site, or in cases of earth movement, such as erosion, which may have buried artifacts and archaeological features. While specialist sub-fields, for example bioarchaeology or geomorphology, are defined by the materials they study, the term "environmental" is used as a general template in order to denote a general field of scientific inquiry that is applicable across time periods and geographical regions studied by archaeology as a whole.[6]

Subfields

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Archaeobotany

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Animal remains

Archaeobotany is the study and interpretation of plant remains. By determining the uses of plants in historical contexts, researchers can reconstruct the diets of past humans, as well as determine their Subsistence economy strategies and plant economy. This provides greater insight into a people's social and cultural behaviors.[7] Analysis of specimen like wood charcoal, for example, can reveal the source of fuel or construction for a society. Archaeobotanists also often study seed and fruit remains, along with pollen and starch.[8] Plants can be preserved in a variety of ways, but the most common are carbonization, water logging, mineralization, and desiccation.[7] A field within archaeobotany is ethnobotany, which looks more specifically at the relationship between plants and humans, and the cultural impacts plants have had and continue to have on human societies. Plant usage as food and as crops or as medicine is of interest, as well the plants' economic influences.[9]

Zooarchaeology

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Zooarchaeology is the study of animal remains and what these remains can tell us about the human societies the animals existed among.[10] Animal remains can provide evidence of predation by humans (or vice versa) or domestication. Despite revealing the specific relationships between animals and humans, discovery of animal bones, hides, or DNA in a certain area can describe the location's past landscape or climate.[10]

Geoarchaeology

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Geoarchaeology is the study of landscape and of geological processes. It looks at environments within the human timeline to determine how past societies may have influenced or been influenced by the environment.[11] Sediment and soil are often studied because this is where the majority of artifacts are found, but also because natural processes and human behavior can alter the soil and reveal its history.[11] Apart from visual observation, computer programming and satellite imaging are often employed to reconstruct past landscapes or architecture.[12]

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Due to the multidisciplinary nature of archaeology in general, the range of research in the earth and environmental sciences, and possibility of methodologies, environmental archaeology has branched and connected with a number of other fields to include numerous cross and subfields such as:[13]

History

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The human environment department of the UCL Institute of Archaeology in the 1970s.

Environmental archaeology has emerged as a distinct discipline since the second half of the 20th century.[14][15] In recent years it has grown rapidly in significance and is now an established component of most excavation projects. The field is multidisciplinary, and environmental archaeologists, as well as palaeoecologists, work side by side with archaeologists and anthropologists specialising in material culture studies in order to achieve a more holistic understanding of past human livelihood and people-environment interactions, especially how climatic stress affected humans and forced them to adapt.[16]

In archaeology in the 1960s, the environment was seen as having a "passive" interaction with humans. With the inclusion of Darwinism and ecological principles, however, this paradigm began to shift. Prominent theories and principles of the time (oasis theory, catastrophism, and longue duree) emphasized this philosophy. Catastrophism, for instance, discussed how catastrophes like natural disaster could be the determining factor in a society's survival.[17] The environment could have social, political, and economic impacts on human communities. It became more important for researchers to look at the direct influence the environment could have on a society. This gave rise to middle range theory and the major questions asked by environmental archaeology in the 20th and 21st centuries. Research has since led environmental archaeology to two major conclusions: humanity originated in Africa and agriculture originated in south-west Asia. Another important shift in thinking within the field centered around the notion of cost-effectivity. Before, archaeologists thought that humans usually acted to maximize their use of resources, but have since come to believe that this is not the case. Subsequent theories/principles include sociality and agency, and the focus on relationships between archaeological sites.[17] Government research audits and the 'commercialisation' of environmental archaeology[18] have also shaped the sub-discipline in more recent times.[19]

Methods

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Environmental archaeologists approach a site through evaluation and/or excavation. Evaluation seeks to analyze the resources and artifacts given in an area and their potential significance. Excavation takes samples from different layers in the ground and uses a similar strategy to evaluation. The samples typically sought after are human and faunal remains, pollen and spores, wood and charcoal, insects, and even isotopes. Biomolecules like lipids, proteins, and DNA can be revelatory samples.[20] With respect to geoarchaeology, computer systems for topography and satellites imaging are often used to reconstruct landscapes. The Geographic Information System (GIS) is a computer system that can process spatial data and construct virtual landscapes.[12] Climate records are able to be reconstructed through paleoclimatology proxies, which can provide information on temperatures, precipitation, vegetation, and other climate-dependent conditions.[21] These proxies can be used to provide context for present climate and compare past climate against the present.[22]

Significance

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Lake sediment core used to help archaeologists reconstruct past climates.

Each focus within environmental archaeology collects information about a different aspect of humans' relation with their surrounding environment. Together these components (along with methods from other fields) are combined to fully understand a past society's lifestyle and interactions with their environment.[23] Past aspects of land use, food production, tool use, and occupation patterns can all be established and the knowledge applied to current and future human-environment interactions. Through predation, agriculture, and introduction of foreign biota into new environments, humans have altered past environments. Understanding these past processes can help us pursue conservation and restorative processes in the present.[24]

Environmental archaeology provides insight on sustainability and why some cultures collapsed while others survived. Societal collapse has occurred many times throughout history, one of the most prominent examples being the Maya civilization. Using lake sediment core and climate reconstruction technology discussed earlier, archaeologists were able to reconstruct the climate present at the time of the Mayans.[25] Although the Yucatán Peninsula was found to have extreme drought at the time Mayan society collapsed, many other factors contributed to their demise. Deforestation, overpopulation, and manipulating wetlands are only a few theories as to why the Maya civilization collapsed, but all of these worked in tandem to negatively impact the environment.[26] From a sustainability perspective, studying how the Mayans impacted the environment allows researchers to see how these changes have permanently affected the landscape and subsequent populations living in the area.[27]

Archaeologists are increasingly under pressure to demonstrate that their work has impact beyond the discipline. This has prompted environmental archaeologists to argue that an understanding of past environmental changes is essential to model future outcomes in areas such as climate change, land cover change, soil health and food security.[28]

Notable contributors

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  • John Birks, a botanist and emeritus professor at the University of Bergen and University College London, is renowned for his novel quantitative techniques in Quaternary palaeoecology. His extensive research focuses on the vegetational and environmental history of the past 10-20,000 years across various regions, including Fennoscandia, the United Kingdom, Minnesota, the Yukon, Siberia, and Tibet.
  • Don Brothwell (1933–2016), was a distinguished British archaeologist and anthropologist, who specialised in human palaeoecology and environmental archaeology. His career spanned several prominent institutions including the University of Cambridge, the British Museum, and the University of London, the University of York. Brothwell was celebrated as a pioneer in archaeological science, contributing extensively to the study of human and animal remains, and founding the Journal of Archaeological Science.
  • Karl Butzer is a notable pioneer of environmental archaeology and has won numerous awards and conducted research in the fields of archaeology, geography, and geology.[29][30]
  • Eric Higgs researched the development of agriculture in Asia and the method of "site catchment analysis", which looks at the exploitation of land based on the land's potential.[17]
  • Douglas Kennett is a controversial environmental archaeologist and human behavioral ecologist known for his work investigating how climate change affected Maya civilization in its development and disintegration.[31] and for his contributions as a member of the Comet Research Group to the controversial and disputed Younger Dryas impact hypothesis which asserts that the Clovis culture was destroyed by a shower of comets. His most widely disseminated paper was a collaboration with biblical archaeologists who believe they have discovered the ancient city of Sodom at Tell el-Hammam, Jordon, and that it was destroyed by a comet.[32] On February 15, 2023, the following editor’s note was posted on this paper, "Readers are alerted that concerns raised about the data presented and the conclusions of this article are being considered by the Editors. A further editorial response will follow the resolution of these issues."[33]
  • Louis Leakey contributed to a vast amount of research in this field. Leakey and his wife Mary Leakey are most known for their work on human origins in Africa. Lewis Binford developed the middle range theory. Under this theory, researchers study the relationship between humans and the environment, which can be depicted in models.
  • Cathy Whitlock, an Earth Scientist and Professor at Montana State University, specializing in Quaternary environmental change and palaeoclimatology. She is most known for her research on "palaeofire," which uses sediment cores to reconstruct historical vegetation, fire, and climate patterns (particularly post-Yellowstone fires). Whitlock has significantly contributed to academic understandings of climate dynamics and encouraging informed conservation efforts and was elected to the National Academy of Sciences in 2018.
  • Janet Wilmshurst, a New Zealand-based palaeoecologist who has researched fossil records to examine relationships between human settlements and natural disturbances, including novel methods of carbon-dated rat-gnawed seeds to trace Polynesian settlements over time.

See also

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References

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  1. ^ O'Connor, Terry (2019). "Pinned Down in the Trenches? Revisiting environmental archaeology". Internet Archaeology (53). doi:10.11141/ia.53.5.
  2. ^ "What is Environmental Archaeology?". Florida Museum of Natural History. University of Florida. Retrieved 6 June 2016.
  3. ^ Wilkinson, Keith (2003). Environmental Archaeology: Approaches, Techniques & Applications. Stroud: Tempus. ISBN 0-7524-1931-5.
  4. ^ Branch, Nick (2014). Environmental Archaeology: Theoretical and Practical Approaches. London: Routledge. ISBN 978-0-340-80871-9.
  5. ^ Kris, Hirst. "Site Formation Processes". about education. Archived from the original on 17 February 2017. Retrieved 6 June 2016.
  6. ^ Butzer, Karl W. (2012). "Collapse, environment, and society". PNAS. 109 (10): 3632–3639. doi:10.1073/pnas.1114845109. PMC 3309741. PMID 22371579.
  7. ^ a b Van Der Veen, Marijke (June 2007). "Formation processes of desiccated and carbonized plant remains – the identification of routine practice". Journal of Archaeological Science. 34 (6): 968–990. Bibcode:2007JArSc..34..968V. doi:10.1016/j.jas.2006.09.007.
  8. ^ "Archaeobotany". sites.google.com. Retrieved 2019-03-04.
  9. ^ "Archaeobotany - Ethnobotany". sites.google.com. Retrieved 2019-04-14.
  10. ^ a b "Zooarchaeology Lab — Anthropology". anthropology.ucdavis.edu. Retrieved 2019-03-04.
  11. ^ a b Rapp, George Robert (1998). Geoarchaeology : the earth-science approach to archaeological interpretation. Hill, Christopher L., 1959-. New Haven. ISBN 9780300157345. OCLC 951622849.{{cite book}}: CS1 maint: location missing publisher (link)
  12. ^ a b Ghilardi, Matthieu; Desruelles, Stéphane (2009-05-30). "Geoarchaeology: where human, social and earth sciences meet with technology". S.A.P.I.EN.S. (in French). 2 (2). ISSN 1993-3800.
  13. ^ "Past EAA Conferences". www.e-a-a.org. Retrieved 2024-06-12.
  14. ^ Murphy, Charlene; Fuller, Dorian Q. (2017). "The Future is Long-term: past and current directions in environmental archaeology". General Anthropology. 24 (1). Wiley: 1–10. doi:10.1111/gena.12020. ISSN 1537-1727.
  15. ^ "History". Florida Museum. 2017-04-05. Retrieved 2019-02-23.
  16. ^ Gkioni, Maria (2004). "The role of the environmental archaeologist in the study and reconstruction of cave palaeoclimate". International Journal of Speleology. 33: 115–127. doi:10.5038/1827-806X.33.1.11 – via Scholar Commons USF.
  17. ^ a b c G., Evans, John (2003). Environmental archaeology and the social order. London: Routledge. ISBN 0203711769. OCLC 54494457.{{cite book}}: CS1 maint: multiple names: authors list (link)
  18. ^ Pearson, Elizabeth (2019). "Commercial Environmental Archaeology: are we back in the dark ages or is environmental archaeology a potential agent of change?". Internet Archaeology (53). doi:10.11141/ia.53.4.
  19. ^ Howard, Andy J. (2019). "Environmental Archaeology, Progress and Challenges". Internet Archaeology (53). doi:10.11141/ia.53.1.
  20. ^ Jones, David M., ed. (2011). Environmental Archaeology: A guide to the theory and practice of methods from sampling and recovery to post-excavation. English Heritage. Retrieved 2019-03-09.
  21. ^ "Climate Reconstruction | National Centers for Environmental Information (NCEI) formerly known as National Climatic Data Center (NCDC)". www.ncdc.noaa.gov. Retrieved 2020-07-27.
  22. ^ "Past Climate | NOAA Climate.gov". www.climate.gov. Retrieved 2020-07-27.
  23. ^ Environmental archaeology: theoretical and practical approaches. Place of publication not identified: Routledge, 2016.
  24. ^ Grayson, Donald K. (2001-03-01). "The Archaeological Record of Human Impacts on Animal Populations". Journal of World Prehistory. 15 (1): 1–68. doi:10.1023/A:1011165119141. ISSN 1573-7802. S2CID 162612422.
  25. ^ "Drought and the Ancient Maya Civilization | National Centers for Environmental Information (NCEI) formerly known as National Climatic Data Center (NCDC)". www.ncdc.noaa.gov. Archived from the original on 2021-10-08. Retrieved 2020-07-27.
  26. ^ "New clues about how and why the Maya culture collapsed". Harvard Gazette. 2020-02-28. Retrieved 2020-07-27.
  27. ^ "environmental Archaeology | Sustainability". sustainability.utah.edu. Retrieved 2020-07-27.
  28. ^ Richer, Suzi; Stump, Daryl; Marchant, Robert (2019). "Archaeology has No Relevance". Internet Archaeology (53). doi:10.11141/ia.53.2.
  29. ^ "An interview with Professor Karl W. Butzer". YouTube. Anne Buttimer. 1987. Retrieved 6 June 2016.
  30. ^ Turner, B. L. Jr. (2017). "Karl W. Butzer 1934 - 2016" (PDF). National Academy of Sciences. Retrieved 12 July 2020.
  31. ^ Kennett, D. J.; Breitenbach, S. F. M.; Aquino, V. V.; Asmerom, Y.; Awe, J.; Baldini, J. U. L.; Bartlein, P.; Culleton, B. J.; Ebert, C.; Jazwa, C.; Macri, M. J. (2012-11-09). "Development and Disintegration of Maya Political Systems in Response to Climate Change". Science. 338 (6108): 788–791. Bibcode:2012Sci...338..788K. doi:10.1126/science.1226299. ISSN 0036-8075. PMID 23139330. S2CID 34471136.
  32. ^ Boslough, Mark (2022). "Sodom Meteor Strike Claims Should Be Taken with a Pillar of Salt" (PDF). Skeptical Inquirer. 46 (1): 10–14.
  33. ^ Kincaid, Ellie (February 21, 2023). "Journal investigating Sodom comet paper for data problems". Retraction Watch. Retrieved September 22, 2023.
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