Towards a three-dimensional cost-effective registration of the archaeological heritage

Archaeological practice within the European context of heritage management is facing huge challenges in ways of recording and reproduction of ex-situ preserved sites. As a consequence of the Valletta-treaty, numbers of archived images and drawings of excavated structures as prime sources of past human activity, are exponentially growing. Contrarily to portable remains however, their future study and revision is biased by the two-dimensional character of the recorded data, rendering difficult their future reconstruction for new study or public dissemination. A more realistic three-dimensional (3D) way of recording and archiving should be pursued. In this paper the possibilities for 3D registration of archaeological features are examined in a computer vision-based approach using the PhotoScan software package (Agisoft LCC). It proved to be a scientific and cost-effective improvement compared to traditional documentation methods. Advantages can be found in the high accuracy and straightforwardness of the methodology. The extraction of an orthophoto or a Digital Terrain Model from the 3D model makes it feasible to integrate detailed and accurate information into the digital archaeological excavation plan. The visual character of 3D surface modeling offers enhanced output-possibilities allowing a better documentation of in-situ structures for future research and a higher public participation and awareness for the archaeological heritage.     

Ancient DNA evidence for genetic continuity in arctic dogs

The domestic dog fulfills many functions for their human companions, such as hauling, guarding, and protection. Consequently, humans have taken dogs to nearly every corner of the globe. Recent translocations of Western dogs stemming from the Victorian era dog fancy have erased some of the ancient genetic signatures of these earlier migrations. Here we used DNA of ancient and modern dogs from the North American Arctic of Alaska and Greenland to assess their genetic continuity in time and space. We successfully sequenced 23 archaeological (ca. AD 1250–1910) and recent (ca. AD 1930–1990) surface-collected Canis bone and tooth samples and compared them to 51 modern Inuit Sled Dogs and to published sequences of modern Alaskan Malamutes (and additional Inuit Sled Dogs) to test for evidence of lineage replacement or genetic continuity through time. Ancient samples from Alaska and Greenland and modern sequences from Greenland all contained a high frequency of haplotype A31, which was previously described only in modern North American Arctic dogs. Thus, A31 was a common thread tying the entire North American Arctic together prior to European colonization and, in the Eastern Arctic, indicates genetic continuity between past and present dogs as well. However, A31 is rare in modern Alaskan dogs, consistent with post-colonization replacement by Eurasian matrilines.     

Wild(er)ness: Reconfiguring the Geographies of Wildlife

Amidst millennial talk of the 'end of nature' ( McKibben 1989 ), this paper examines the precarious geographies of 'wildlife' in rather less apocalyptic terms. Animal (and plant) species designated wild are placed categorically outside the ambit of 'human society', confined to inhabiting the margins and interstices of the social world. Yet, we contend, such animals have long been routinely imagined and organized within multiple circuits of social power, which (re)configure them in important ways. These social orderings of animal life confound the moral geographies of wilderness, which presuppose an easy coincidence between the species and spaces of a pristine nature. In this paper, we employ the fluid spatial vocabulary of topology to map a more volatile and relational conception of the fabrics of wildlife. Our arguments are worked through glimpses of two historically very different social orderings of 'wild' animals – those associated with the military vernacular of the gladiatorial games of Imperial Rome, and the scientific vernacular of endangered species listing and conservation under CITES (the Convention on the International Trade in Endangered Species). These 'foldings' of wildlife in distant time/space aim to disrupt the linear historical narratives of 'civilization' and 'evolution', which consign wildlife to marginal spaces with a teleological destiny of erasure.