Search

Your search keyword '"Kwekason, Amandus"' showing total 11 results
Start Over Author "Kwekason, Amandus" Publication Year Range Last 3 years
11 results on '"Kwekason, Amandus"'

2. Entwined African and Asian genetic roots of medieval peoples of the Swahili coast

Author

Brielle, Esther S., Fleisher, Jeffrey, Wynne-Jones, Stephanie, Sirak, Kendra, Broomandkhoshbacht, Nasreen, Callan, Kim, Curtis, Elizabeth, Iliev, Lora, Lawson, Ann Marie, Oppenheimer, Jonas, Qiu, Lijun, Stewardson, Kristin, Workman, J. Noah, Zalzala, Fatma, Ayodo, George, Gidna, Agness O., Kabiru, Angela, Kwekason, Amandus, Mabulla, Audax Z. P., Manthi, Fredrick K., Ndiema, Emmanuel, Ogola, Christine, Sawchuk, Elizabeth, Al-Gazali, Lihadh, Ali, Bassam R., Ben-Salem, Salma, Letellier, Thierry, Pierron, Denis, Radimilahy, Chantal, Rakotoarisoa, Jean-Aimé, Raaum, Ryan L., Culleton, Brendan J., Mallick, Swapan, Rohland, Nadin, Patterson, Nick, Mwenje, Mohammed Ali, Ahmed, Khalfan Bini, Mohamed, Mohamed Mchulla, Williams, Sloan R., Monge, Janet, Kusimba, Sibel, Prendergast, Mary E., Reich, David, and Kusimba, Chapurukha M.

Published
2023
Full Text
View/download PDF

6. Early Pliocene fauna from the Lower Laetolil Beds, Laetoli, Tanzania.

Author

Harrison, Terry, Su, Denise F., Fillion, Elizabeth N., and Kwekason, Amandus

Subjects
FOSSIL mammals, FOSSIL vertebrates, PALEONTOLOGY, PALEOECOLOGY, PROBOSCIDEA (Mammals)
Abstract

The mid-Pliocene Upper Laetolil Beds at Laetoli in northern Tanzania have produced a rich diversity of fossil vertebrates, including the remains and traces of the early hominin, Australopithecus afarensis. The fauna from the older Lower Laetolil Beds, dating from 3.8 Ma to older than 4.3 Ma, has not previously been the subject of detailed analysis. This study, based on renewed palaeontological investigations, provides the first systematic account of the fauna, along with a brief synthesis of the geology and palaeoecology. Forty species of mammals are recorded from the Lower Laetolil Beds, dominated by bovids, equids, rhinocerotids, and proboscideans, in addition to reptiles, birds, and invertebrates. The mammal fauna is very similar to that from the Upper Laetolil Beds, and to a lesser extent to the Upper Ndolanya Beds, indicating a high degree of faunal continuity and provinciality in the Laetoli area during much of the Pliocene. Evidence indicates that the palaeoecology of the Lower Laetolil Beds was predominantly dry open woodlands-shrublands-grasslands, but dense woodlands and forests were present on the lower slopes of the nearby Satiman volcano. Water was more abundant than in the Upper Laetolil Beds, with seasonal rivers, marshes and shallow lakes bordered by riparian woodland. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
View/download PDF

7. Ancient DNA and deep population structure in sub-Saharan African foragers

Author

Lipson, Mark, Sawchuk, Elizabeth A., Thompson, Jessica C., Oppenheimer, Jonas, Tryon, Christian A., Ranhorn, Kathryn L., de Luna, Kathryn M., Sirak, Kendra A., Olalde, Iñigo, Ambrose, Stanley H., Arthur, John W., Arthur, Kathryn J. W., Ayodo, George, Bertacchi, Alex, Cerezo-Román, Jessica I., Culleton, Brendan J., Curtis, Matthew C., Davis, Jacob, Gidna, Agness O., Hanson, Annalys, Kaliba, Potiphar, Katongo, Maggie, Kwekason, Amandus, Laird, Myra F., Lewis, Jason, Mabulla, Audax Z. P., Mapemba, Fredrick, Morris, Alan, Mudenda, George, Mwafulirwa, Raphael, Mwangomba, Daudi, Ndiema, Emmanuel, Ogola, Christine, Schilt, Flora, Willoughby, Pamela R., Wright, David K., Zipkin, Andrew, Pinhasi, Ron, Kennett, Douglas J., Manthi, Fredrick Kyalo, Rohland, Nadin, Patterson, Nick, Reich, David, and Prendergast, Mary E.

Published
2022
Full Text
View/download PDF

10. The Entwined African and Asian Genetic Roots of the Medieval Peoples of the Swahili Coast

Author

Brielle, Esther S, primary, Fleisher, Jeffrey, additional, Wynne-Jones, Stephanie, additional, Broomandskhoshbacht, Nasreen, additional, Callan, Kim, additional, Curtis, Elizabeth, additional, Iliev, Lora, additional, Lawson, Ann Marie, additional, Oppenheimer, Jonas, additional, Qiu, Lijun, additional, Stewardson, Kristin, additional, Workman, Noah, additional, Zalzala, Fatma, additional, Ayodo, George, additional, Gidna, Agness, additional, Kabiru, Angela, additional, Kwekason, Amandus, additional, Mabulla, Audax, additional, Manthi, Fredrick Kyalo, additional, Ndiema, Emmanuel, additional, Ogola, Christine, additional, Sawchuk, Elizabeth, additional, Al-Gazali, Lihadh, additional, Ali, Bassam R, additional, Ben-Salem, Salma, additional, Letellier, Thierry, additional, Pierron, Denis, additional, Radimilahy, Chantal, additional, Rakotoarisoa, Jean-Aime, additional, Culleton, Brendan, additional, Mallick, Swapan, additional, Rohland, Nadin, additional, Patterson, Nick, additional, Mwenje, Mohammed Ali, additional, Ahmed, Khalfan Bini, additional, Mohamed, Mohamed Mchulla, additional, Williams, Sloan, additional, Monge, Janet, additional, Kusimba, Sibel, additional, Prendergast, Mary, additional, Reich, David, additional, and Kusimba, Chapurukha, additional

Published
2022
Full Text
View/download PDF

11. Ancient DNA and deep population structure in sub-Saharan African foragers

Author

Zoología y biología celular animal, Zoologia eta animalia zelulen biologia, Lipson, Mark, Sawchuk, Elizabeth A., Thompson, Jessica C., Oppenheimer, Jonas, Tryon, Christian A., Ranhorn, Kathryn L., De Luna, Kathryn M., Sirak, Kendra A., Olalde Marquínez, Iñigo, Ambrose, Stanley H., Arthur, John W., Arthur, Kathryn J. W., Ayodo, George, Bertacchi, Alex, Cerezo Román, Jessica I., Culleton, Brendan J., Curtis, Matthew C., Davis, Jacob, Gidna, Agness O., Hanson, Annalys, Kaliba, Potiphar, Katongo, Maggie, Kwekason, Amandus, Laird, Myra F., Lewis, Jason, Mabulla, Audax Z. P., Mapemba, Fredrick, Morris, Alan, Mudenda, George, Mwafulirwa, Raphael, Mwangomba, Daudi, Ndiema, Emmanuel, Ogola, Christine, Schilt, Flora, Willoughby, Pamela R., Wright, David K., Zipkin, Andrew, Pinhasi, Ron, Kennett, Douglas J., Manthi, Fredrick Kyalo, Rohland, Nadin, Patterson, Nick, Reich, David, Prendergast, Mary E., Zoología y biología celular animal, Zoologia eta animalia zelulen biologia, Lipson, Mark, Sawchuk, Elizabeth A., Thompson, Jessica C., Oppenheimer, Jonas, Tryon, Christian A., Ranhorn, Kathryn L., De Luna, Kathryn M., Sirak, Kendra A., Olalde Marquínez, Iñigo, Ambrose, Stanley H., Arthur, John W., Arthur, Kathryn J. W., Ayodo, George, Bertacchi, Alex, Cerezo Román, Jessica I., Culleton, Brendan J., Curtis, Matthew C., Davis, Jacob, Gidna, Agness O., Hanson, Annalys, Kaliba, Potiphar, Katongo, Maggie, Kwekason, Amandus, Laird, Myra F., Lewis, Jason, Mabulla, Audax Z. P., Mapemba, Fredrick, Morris, Alan, Mudenda, George, Mwafulirwa, Raphael, Mwangomba, Daudi, Ndiema, Emmanuel, Ogola, Christine, Schilt, Flora, Willoughby, Pamela R., Wright, David K., Zipkin, Andrew, Pinhasi, Ron, Kennett, Douglas J., Manthi, Fredrick Kyalo, Rohland, Nadin, Patterson, Nick, Reich, David, and Prendergast, Mary E.

Abstract

[EN] Multiple lines of genetic and archaeological evidence suggest that there were major demographic changes in the terminal Late Pleistocene epoch and early Holocene epoch of sub-Saharan Africa(1-4). Inferences about this period are challenging to make because demographic shifts in the past 5,000 years have obscured the structures of more ancient populations(3,5). Here we present genome-wide ancient DNA data for six individuals from eastern and south-central Africa spanning the past approximately 18,000 years (doubling the time depth of sub-Saharan African ancient DNA), increase the data quality for 15 previously published ancient individuals and analyse these alongside data from 13 other published ancient individuals. The ancestry of the individuals in our study area can be modelled as a geographically structured mixture of three highly divergent source populations, probably reflecting Pleistocene interactions around 80-20 thousand years ago, including deeply diverged eastern and southern African lineages, plus a previously unappreciated ubiquitous distribution of ancestry that occurs in highest proportion today in central African rainforest hunter-gatherers. Once established, this structure remained highly stable, with limited long-range gene flow. These results provide a new line of genetic evidence in support of hypotheses that have emerged from archaeological analyses but remain contested, suggesting increasing regionalization at the end of the Pleistocene epoch. DNA analysis of 6 individuals from eastern and south-central Africa spanning the past approximately 18,000 years, and of 28 previously published ancient individuals, provides genetic evidence supporting hypotheses of increasing regionalization at the end of the Pleistocene.

Published
2022

Catalog

Books, media, physical & digital resources
See catalog results