A5010654308- Environmental DNA in Biodiversity Studies
- Forensic and Genetic Research
- Indigenous Studies and Ecology
- Geology and Paleoclimatology Research
- Archaeology and ancient environmental studies
- Isotope Analysis in Ecology
- Genomics and Phylogenetic Studies
- Marine and environmental studies
- Wildlife Ecology and Conservation
- Geological Studies and Exploration
- Climate change and permafrost
- Microbial Community Ecology and Physiology
- Identification and Quantification in Food
- Forensic Anthropology and Bioarchaeology Studies
- Human-Animal Interaction Studies
- Archaeological Research and Protection
- Genetic diversity and population structure
- Paleopathology and ancient diseases
- Pleistocene-Era Hominins and Archaeology
McMaster University
2018-2024
Hakai Institute
2023-2024
Tula Foundation
2023-2024
Faculty of 1000 (United States)
2021
Abstract The temporal and spatial coarseness of megafaunal fossil records complicates attempts to disentangle the relative impacts climate change, ecosystem restructuring, human activities associated with Late Quaternary extinctions. Advances in extraction identification ancient DNA that was shed into environment preserved for millennia sediment now provides a way augment discontinuous palaeontological assemblages. Here, we present 30,000-year sedimentary (sedaDNA) record derived from...
Abstract Sedimentary ancient DNA (sedaDNA) has been established as a viable biomolecular proxy for tracking taxon presence through time in local environment, even the total absence of surviving tissues. SedaDNA is thought to survive mineral binding, facilitating long-term preservation, but also challenging isolation. Two common limitations sedaDNA extraction are carryover other substances that inhibit enzymatic reactions, and loss authentic when attempting reduce inhibitor co-elution. Here,...
Woolly mammoths in mainland Alaska overlapped with the region's first people for at least a millennium. However, it is unclear how used space shared people. Here, we use detailed isotopic analyses of female mammoth tusk found 14,000-year-old archaeological site to show that she moved ~1000 kilometers from northwestern Canada inhabit an area highest density early sites interior until her death. DNA and other local contemporaneous remains revealed multiple herds congregated this region. Early...
We obtained the oxygen and strontium isotope composition of teeth from Roman period (1st to 4th century CE) inhabitants buried in Vagnari cemetery (Southern Italy), present first variation map Italian peninsula using previously published data sets new data. test hypothesis that population was predominantly composed local individuals, instead migrants originating abroad.We analyzed (18 O/16 O) (87 Sr/86 Sr) 43 teeth. also report 87 Sr an additional 13 molars, values fauna (n = 10), soil 5)...
Abstract We analyzed the microbial constituent of sedimentary ancient DNA sequence data recovered from subarctic loessal permafrost sediments dating between 30,000 and 4000 years ago. These were originally studied for paleo‐ecological shifts in plants animals associated with Pleistocene–Holocene transition. Here, we explore whether there changes communities paralleling transition distinctive cold‐adapted Ice Age megafauna vegetation communities—the mammoth steppe ecosystem—toward expansion...
Summary Ancient environmental DNA has been established as a viable biomolecular proxy for tracking taxonomic presence through time in local environment, even the total absence of primary tissues. It is thought that sedimentary ancient (sedaDNA) survives mineral binding. And while these organo-mineral complexes likely facilitate long-term preservation, they also challenge our ability to release and isolate target molecules. Two limitations sedaDNA extraction impede many palaeoenvironmental...
<p>The multitude of factors alleged to have contributed the late Quaternary mass extinction some two-thirds Earth’s megafauna is complicated by coarse record buried macro-fossils. In response, micro-methods such as ancient DNA been increasingly able augment discontinuous palaeontological records investigate relative timings vegetation turnover versus megafaunal extirpations—all in absence biological tissues. Here, we present sedimentary data...