Environmental influence on interspecific and intraspecific variation within the genus Osmorhiza in northern Michigan.

Show simple item record

dc.contributor.author Kruszewski, Sophia en_US
dc.coverage.spatial McCormick Hardwoods en_US
dc.date.accessioned 2007-06-14T23:34:35Z
dc.date.available 2007-06-14T23:34:35Z
dc.date.issued 2005 en_US
dc.identifier.uri http://hdl.handle.net/2027.42/55063
dc.description.abstract Three species of the genus Osmorhiza are commonly found growing together in Northern Michigan and exhibit a number of similar morphological characters. The objective of our study was to determine if the variation between the three species was influenced by non-genetic environmental factors, and what effect the pH and soil moisture content had on morphological variation within each species. We surveyed approximately 35 individuals from each Osmorhiza species at the Headlands, a preserve in northwestern Lower Michigan, and recorded specific morphological features of each individual. We also took soil measurements of pH and moisture content. Our results showed significant distinction between the three species on the basis of bract length, bract width, and style length (p<0.000), pubescence, (p<0.000), scent (p<0.000), and presence or absence of purple along the stem (p<0.000). The results showed significantly different preferences for pH and moisture levels between each of the three species (pH: p<0.000; soil moisture: p=0.001). Environmental conditions were also shown to have an effect on several morphological characters, including pH and pubescence (leaf: p=0.04; petiole: p=0.001), moisture and petiole pubescence (p=0.052) and moisture and the presence of a leaflet-like bract (p=0.054). These results provided interspecific delineation and demonstrated the effect of pH and soil moisture on intraspecific morphological variation and species preference for moisture and pH. en_US
dc.format.extent 1152884 bytes
dc.format.extent 3144 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.subject General Ecology en_US
dc.subject.classification Northern Hardwoods en_US
dc.subject.other VASCULAR en_US
dc.subject.other PLANTS en_US
dc.subject.other APIACEAE en_US
dc.subject.other SPECIES en_US
dc.subject.other HABITAT en_US
dc.subject.other MICROHABITAT en_US
dc.subject.other DECIDUOUS en_US
dc.subject.other VARIATION en_US
dc.title Environmental influence on interspecific and intraspecific variation within the genus Osmorhiza in northern Michigan. en_US
dc.type Working Paper en_US
dc.subject.hlbsecondlevel Natural Resource and Environment en_US
dc.subject.hlbtoplevel Science en_US
dc.contributor.affiliationum Biological Station, University of Michigan en_US
dc.contributor.affiliationumcampus Ann Arbor en_US
dc.description.bitstreamurl http://deepblue.lib.umich.edu/bitstream/2027.42/55063/1/3508.pdf en_US
dc.description.filedescription Description of 3508.pdf : Access restricted to on-site users at the U-M Biological Station. en_US
dc.owningcollname Biological Station, University of Michigan (UMBS)
 Show simple item record

This item appears in the following Collection(s)


Search Deep Blue

Advanced Search

Browse by

My Account

Information

Available Now


MLibrary logo