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59 results on '"Boush, Lisa"'

55. How Changes of Past Vegetation and Human Impact Are Documented in Lake Sediments: Paleoenvironmental Research in Southwestern Germany, a Review

Author

Rösch, Manfred, Feger, Karl-Heinz, Fischer, Elske, Hinderer, Matthias, Kämpf, Lucas, Kleinmann, Angelika, Lechterbeck, Jutta, Marinova, Elena, Schwalb, Antje, Tserendorj, Gegeensuvd, Wick, Lucia, Rosen, Michael R., Series Editor, Schwalb, Antje, Series Editor, Valero-Garces, Blas L., Series Editor, Gierlowski-Kordesch, Elizabeth, Founding Editor, Finkelstein, David B., editor, Park Boush, Lisa, editor, and Pla-Pueyo, Sila, editor

Published
2021
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56. Lacustrine and Fluvial Carbonate Microbialites in the Neogene of the Ebro Basin, Spain: A Summary of Up-to-Date Knowledge

Author

Arenas-Abad, Concha, Martin-Bello, Leticia, Pérez-Rivarés, F. Javier, Santos-Bueno, Nerea, Vázquez-Urbez, Marta, Rosen, Michael R., Series Editor, Schwalb, Antje, Series Editor, Valero-Garces, Blas L., Series Editor, Gierlowski-Kordesch, Elizabeth, Founding Editor, Finkelstein, David B., editor, Park Boush, Lisa, editor, and Pla-Pueyo, Sila, editor

Published
2021
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57. Lake-Level Fluctuations and Allochthonous Lignite Deposition in the Eocene Pull-Apart Basin 'Prinz von Hessen' (Hesse, Germany) – A Palynological Study

Author

Moshayedi, Maryam, Lenz, Olaf K., Wilde, Volker, Hinderer, Matthias, Rosen, Michael R., Series Editor, Schwalb, Antje, Series Editor, Valero-Garces, Blas L., Series Editor, Gierlowski-Kordesch, Elizabeth, Founding Editor, Finkelstein, David B., editor, Park Boush, Lisa, editor, and Pla-Pueyo, Sila, editor

Published
2021
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58. Modern and Ancient Animal Traces in the Extreme Environments of Lake Magadi and Nasikie Engida, Kenya Rift Valley

Author

Scott, Jennifer J., Renaut, Robin W., Buatois, Luis A., Owen, R. Bernhart, McNulty, Emma P., Stockhecke, Mona, Leet, Kennie, Lowenstein, Tim K., Mángano, M. Gabriela, Rosen, Michael R., Series Editor, Schwalb, Antje, Series Editor, Valero-Garces, Blas L., Series Editor, Gierlowski-Kordesch, Elizabeth, Founding Editor, Finkelstein, David B., editor, Park Boush, Lisa, editor, and Pla-Pueyo, Sila, editor

Published
2021
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59. Testing Weissman's Lineage Selection Model for the Maintenance of Sex: The Evolutionary Dynamics of Clam Shrimp Reproduction over Geologic Time.

Author

Astrop TI, Park Boush L, and Weeks SC

Abstract

One of the most perplexing questions within evolutionary biology is: "why are there so many methods of reproduction?" Contemporary theories assume that sexual reproduction should allow long term survival as dispersal and recombination of genetic material provides a population of organisms with the ability to adapt to environmental change. One of the most frustrating aspects of studying the evolution of reproductive systems is that we have not yet been able to utilize information locked within the fossil record to assess breeding system evolution in deep time. While the fossil record provides us with information on an organism's living environment, as well as some aspects of its ecology, the preservation of biological interactions (reproduction, feeding, symbiosis, communication) is exceedingly rare. Using both information from extant taxa uncovered by a plethora of biological and ecological studies and the rich representation of the Spinicaudata (Branchiopoda: Crustacea) throughout the fossil record (from the Devonian to today), we address two hypotheses of reproductive evolutionary theory: (1) that unisexual species should be short lived and less speciose than their outcrossing counterparts and (2) that androdioecy (mixtures of males and hermaphrodites) is an unstable, transitionary system that should not persist over long periods of time. We find no evidence of all-unisexual spinicaudatan taxa (clam shrimp) in the fossil record, but do find evidence of both androdioecious and dioecious clam shrimp. We find that clades with many androdioecious species are less speciose but persist longer than their mostly dioecious counterparts. These data suggest that all-unisexual lineages likely do not persist long whereas mixtures of unisexual and sexual breeding can persist for evolutionarily long periods but tend to produce fewer species than mostly sexual breeding.

Published
2020
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