Zobrazeno 1 - 10
of 1 414
pro vyhledávání: '"S, Castañeda"'
Publikováno v:
Climate of the Past, Vol 20, Pp 523-546 (2024)
Between 14.5 and 5 ka, the Sahara was vegetated owing to a wet climate during the African humid period. However, the climatic factors sustaining the “green Sahara” are still a matter of debate. Particularly the role of winter precipitation is poo
Externí odkaz:
https://doaj.org/article/4924137d885341eda509690655df8e09
Autor:
Cindy De Jonge, Francien Peterse, Klaas G. J. Nierop, Thomas M. Blattmann, Marcelo Alexandre, Salome Ansanay‐Alex, Thomas Austin, Mathieu Babin, Edouard Bard, Thorsten Bauersachs, Jerome Blewett, Brenna Boehman, Isla S. Castañeda, Junhui Chen, Martina L. G. Conti, Sergio Contreras, Julia Cordes, Nina Davtian, Bart vanDongen, Bella Duncan, Felix J. Elling, Valier Galy, Shaopeng Gao, Jens Hefter, Kai‐Uwe Hinrichs, Mitchell R. Helling, Mariska Hoorweg, Ellen Hopmans, Juzhi Hou, Yongsong Huang, Arnaud Huguet, Guodong Jia, Cornelia Karger, Brendan J. Keely, Stephanie Kusch, Hui Li, Jie Liang, Julius S. Lipp, Weiguo Liu, Hongxuan Lu, Kai Mangelsdorf, Hayley Manners, Alfredo Martinez Garcia, Guillemette Menot, Gesine Mollenhauer, B. David A. Naafs, Sebastian Naeher, Lauren K. O'Connor, Ethan M. Pearce, Ann Pearson, Zhiguo Rao, Marta Rodrigo‐Gámiz, Chris Rosendahl, Frauke Rostek, Rui Bao, Prasanta Sanyal, Florence Schubotz, Wesley Scott, Rahul Sen, Appy Sluijs, Rienk Smittenberg, Ioana Stefanescu, Jia Sun, Paul Sutton, Jess Tierney, Eduardo Tejos, Joan Villanueva, Huanye Wang, Josef Werne, Masanobu Yamamoto, Huan Yang, Aifeng Zhou
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 25, Iss 7, Pp n/a-n/a (2024)
Abstract Ratios of glycerol dialkyl glycerol tetraethers (GDGT), which are membrane lipids of bacteria and archaea, are at the base of several paleoenvironmental proxies. They are frequently applied to soils as well as lake‐ and marine sediments to
Externí odkaz:
https://doaj.org/article/587be2a71e1b4e3fbbdf758ac4016432
Autor:
G. S. Castañeda-Ramírez, G. López-Guillen, L. Cruz-López, E. Hernández-Núñez, A. Wong-Villarreal, J. E. Sánchez, L. Aguilar-Marcelino
Publikováno v:
Brazilian Journal of Biology, Vol 83 (2024)
Abstract The study aimed to evaluate the insecticidal activity of extracts of edible mushrooms Pleurotus ostreatus and Lentinula edodes against Rhyssomatus nigerrimus. Methanol:water extracts (70:30) of P. ostreatus and L. edodes were made and evalua
Externí odkaz:
https://doaj.org/article/a9f5a23a6185407b92ff96f5ad76aa5b
Autor:
Elizabeth K. Thomas, Allison A. Cluett, Michael P. Erb, Nicholas P. McKay, Jason P. Briner, Isla S. Castañeda, Megan C. Corcoran, Owen C. Cowling, Devon B. Gorbey, Kurt R. Lindberg, Karlee K. Prince, Jeffrey Salacup
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 13, Pp n/a-n/a (2023)
Abstract Changes in ice‐sheet size impact atmospheric circulation, a phenomenon documented by models but constrained by few paleoclimate records. We present sub‐centennial‐scale records of summer temperature and summer precipitation hydrogen is
Externí odkaz:
https://doaj.org/article/96dfdde246784ad3b1962d6e02f8d8e7
Autor:
JOSEPH A. FREDERICKSON, JOSHUA E. COHEN, MICHAEL H. ENGEL, TYLER C. HUNT, GREG A. WILBERT, OLGA S. CASTAÑEDA, NICHOLAS J. CZAPLEWSKI
Publikováno v:
Acta Palaeontologica Polonica, Vol 67, Iss 1, Pp 221-238 (2022)
The Optima Local Fauna represents an important glimpse into the ecological transition between savannah and grassland during the late Miocene (Hemphillian) of what is now the southcentral Great Plains of North America. Though dominated by horses, herb
Externí odkaz:
https://doaj.org/article/c8c55120be1b40be98bd1151932c221b
Publikováno v:
Climate of the Past, Vol 18, Pp 559-577 (2022)
The Mid-Pleistocene Transition (MPT) is a widely recognized global climate shift occurring between approximately 1250 and 700 ka. At this time, Earth's climate underwent a major transition from dominant 40 kyr glacial–interglacial cycles to quasi-1
Externí odkaz:
https://doaj.org/article/74b4b41157b944b882b8325a1490e3c9
Autor:
Rachel L. Lupien, James M. Russell, Emma J. Pearson, Isla S. Castañeda, Asfawossen Asrat, Verena Foerster, Henry F. Lamb, Helen M. Roberts, Frank Schäbitz, Martin H. Trauth, Catherine C. Beck, Craig S. Feibel, Andrew S. Cohen
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Understanding eastern African paleoclimate is critical for contextualizing early human evolution, adaptation, and dispersal, yet Pleistocene climate of this region and its governing mechanisms remain poorly understood due to the lack of long
Externí odkaz:
https://doaj.org/article/cef8bda24b6748b190ec61282aa4d55b
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2022)
Abstract Excessive use of insecticides has led to resistance of some pathogenic organisms (nematodes, bacteria and fungi), environmental contamination, and the presence of hazardous residues. Therefore, the aim of the present study was to evaluate sy
Externí odkaz:
https://doaj.org/article/f08af5edf8e343f6a7e3e19d18ab41f9
Publikováno v:
Climate of the Past, Vol 15, Pp 1083-1097 (2019)
Very little is known about the impact of atmospheric carbon dioxide pressure (pCO2) on the shaping of biomes. The development of pCO2 throughout the Brunhes Chron may be considered a natural experiment to elucidate relationships between vegetation an
Externí odkaz:
https://doaj.org/article/d7f65579407841b8a9b918cc1881a5be
Publikováno v:
Otolaryngology Case Reports, Vol 15, Iss , Pp - (2020)
Objectives: To describe a case of a 48-year-old male, diagnosed and managed as a case of laryngeal leprosy. Study design: Case report. Results: A 48-year-old male sought consult due to a year-long history of progressive hoarseness and episodes of asp
Externí odkaz:
https://doaj.org/article/2857af8070a642ecb8ee4296ab2fb851