Journal Articles (Biological Sciences)

2017-01-01

QIHUA HUANG, HAO WANG, MARK A. LEWIS

While some species spread upstream in river environments, not all invasive species are successful in spreading upriver. Here the dynamics of unidirectional water flow found in rivers can play a role in determining invasion success. We develop a continuous-discrete hybrid benthic-drift population...

2022-01-01

Xiunan Wang, Hao Wang, Pouria Ramazi, Kyeongah Nah, Mark Lewis

Accurate prediction of the number of daily or weekly confirmed cases of COVID-19 is critical to the control of the pandemic. Existing mechanistic models nicely capture the disease dynamics. However, to forecast the future, they require the transmission rate to be known, limiting their prediction...

2006

Colvin, Kimberley R., Owttrim, George W. , Patterson-Fortin, Laura M.

Expression of the cyanobacterial DEAD-box RNA helicase, crhR , is regulated in response to conditions, which elicit reduction of the photosynthetic electron transport chain. A combination of electrophoretic mobility shift assay (EMSA), DNA affinity chromatography and mass spectrometry identified...

2006

Patterson-Fortin, L.M., Owttrim, G.W., Colvin, K.R.

Expression of the cyanobacterial DEAD-box RNA helicase, crhR, is regulated in response to conditions, which elicit reduction of the photosynthetic electron transport chain. A combination of electrophoretic mobility shift assay (EMSA), DNA affinity chromatography and mass spectrometry identified...

1989

Shostak, A.W., Esch, G.W., Goater, T.M., Williams, J.A.

A collection of 556 snails, Helisoma anceps, was made from a pond in the Piedmont area of North Carolina during October 1987. Snails were measured and assayed for trematode parasitism, and then 500 randomly selected individuals were marked and returned to the pond. Collections made between 23...

1992

Burrows, G.E., Stockey, R.A., Boag, T.S.

The morphology of the cryptogeal germination sequence of Araucaria bidwillii (bunya pine) was studied. Individual seeds were 5-6 cm in length and 2.5-3.5 cm in diameter and had an average fresh weight of ca. 16 g. In mature seeds the embryo consisted of a cotyledon tube, hypocotyl, and root cap...

2020-01-14

Peter D. Harrington, Mark A. Lewis

In marine systems, adult populations confined to isolated habitat patches can be connected by larval dispersal. Source–sink theory provides effective tools to quantify the effect of specific habitat patches on the dynamics of connected populations. In this paper, we construct the next-generation...

2003-08-01

Kibukawa, Miho , Passey, Douglas A. , Yang, Zhiyong , Wong, Gane K., Bolund, Lars , Paddock, Marcia , Yu, Jun , Liu, Chun-Rong

2010-01-01

MARK A. LEWIS, WILLIAM NELSON, CAILIN XU

A vigor-structured model for mountain pine beetle outbreak dy- namics within a forest stand is proposed and analyzed. This model explicitly tracks the changing vigor structure in the stand. All model parameters, other than beetle vigor preference, were determined by tting model components to...

2015

Wong, Gane K., Hu, Jianfei , Han, Yujun , He, Jun , Tao, Lin , Wang, Jun , Cong, Lijuan , Ye, Chen, Huang, Xiangang , Yang, Huanming , Wang, Jian , Zhang, Yong , Lu, Hong , Ren, Xiaoyu , Zhang, Kunlin , Zhang, Jianguo , Ni, Peixiang , Yu, Jun , Passey, Douglas A., Ren, Xide , Xu, Xin , Li, Songgang