Effects of parental age and stress on stress tolerance of offspring in duckweed

Simple item page
dc.contributor.authorChmilar, Suzanne Louise
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorLaird, Robert A.
dc.date.accessioned2021-12-08T16:58:24Z
dc.date.available2021-12-08T16:58:24Z
dc.date.issued2021
dc.degree.levelMastersen_US
dc.description.abstractDemographic senescence is the population-level declines in rates of survival and reproduction with increasing age. Although offspring are often assumed to be of equal quality, offspring fitness can change with parental age. Many factors contribute to offspring fitness, including the ability to tolerate stress. Parental and ancestral environments also have the ability to affect offspring stress tolerance. The effects of parental age and ancestral salt stress on offspring ability to tolerate salt stress were examined in an asexual, aquatic plant. It was found that parental age affected the response, but not the overall fitness of offspring exposed to salt stress. Ancestral stress prepared offspring for stress through a reduced time to produce a first offspring, although these offspring may have been of lower quality. The studies done show the importance of stress history on future fitness.en_US
dc.identifier.urihttps://hdl.handle.net/10133/6105
dc.language.isoen_USen_US
dc.proquest.subject0329en_US
dc.proquest.subject0306en_US
dc.proquest.subject0309en_US
dc.proquestyesYesen_US
dc.publisherLethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciencesen_US
dc.publisher.departmentDepartment of Biological Sciencesen_US
dc.publisher.facultyArts and Scienceen_US
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en_US
dc.subjectstress toleranceen_US
dc.subjectparental age effectsen_US
dc.subjectLemna minoren_US
dc.subjectsenescenceen_US
dc.subjectoffspring qualityen_US
dc.subjectduckweeden_US
dc.subjectsalt stressen_US
dc.subjectStress tolerance (Psychology)en_US
dc.subjectLemna minor--Effect of stress on--Researchen_US
dc.subjectPlants--Aging--Effect of stress on--Researchen_US
dc.subjectBiological fitness--Effect of stress on--Researchen_US
dc.subjectPlants--Reproduction--Effect of stress on--Researchen_US
dc.subjectLemna minor--Vegetative propagation--Researchen_US
dc.subjectLemna minor--Age--Researchen_US
dc.subjectDissertations, Academicen_US
dc.titleEffects of parental age and stress on stress tolerance of offspring in duckweeden_US
dc.typeThesisen_US
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
CHMILAR_SUZANNE_MSC_2021.pdf
Size:
2.57 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
license.txt
Size:
3.25 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Arts and Science, Faculty of
University of Lethbridge Theses