{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/46885"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/46885","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"The reproductive ecology of Minuartia patula Michx. Mattf. (Caryophyllaceae)","abstract":"Minuartia patula, slender sandwort (Caryophyllaceae), is a winter annual found in barrens, glades, rocky outcrops, and dolomite prairies of the eastern and central United States. This species is rare in Illinois, Indiana and Ohio; and vulnerable in Kentucky, Missouri, and Virginia. Though research on environmental pollution, seed germination, and allelopathic effects have been conducted for this species, little is known about its reprodcutive biology. For many rare plants a thorough understanding of their reproductive ecology is essential for the development of effective conservation strategies. In a two year study, I researched several aspects the reproductive ecology of Minuartia patula at five populations in northeastern Illinois. In particular, I asked three questions: 1) Can variation in population size of Minuartia patula be related to reproductive output or local weather patterns? 2) What can data regarding the reproductive ecology, including the breeding system, phenology, and pollinators tell us about M. patula? 3) Are there differences in fruit set, seed set and germination rates among populations of Minuartia patula? Based on caging studies, flower phenology and pollen to ovule ratio, M. patula can be considered a facultative autogamous species. Also, significant differences were found among populations of M. patula for fruit set, seed set, and seed germination. No correlation was found between population size and reproductive output or local weather data. Based on the findings of this study, habitat management recommedations have been made to increase reproductive success of Minuartia patula and the continuation of long-term population surveys was also recommended.","abstract_html":"Minuartia patula, slender sandwort (Caryophyllaceae), is a winter annual found in barrens, glades, rocky outcrops, and dolomite prairies of the eastern and central United States. This species is rare in Illinois, Indiana and Ohio; and vulnerable in Kentucky, Missouri, and Virginia. Though research on environmental pollution, seed germination, and allelopathic effects have been conducted for this species, little is known about its reprodcutive biology. For many rare plants a thorough understanding of their reproductive ecology is essential for the development of effective conservation strategies. In a two year study, I researched several aspects the reproductive ecology of Minuartia patula at five populations in northeastern Illinois. In particular, I asked three questions: 1) Can variation in population size of Minuartia patula be related to reproductive output or local weather patterns? 2) What can data regarding the reproductive ecology, including the breeding system, phenology, and pollinators tell us about M. patula? 3) Are there differences in fruit set, seed set and germination rates among populations of Minuartia patula? Based on caging studies, flower phenology and pollen to ovule ratio, M. patula can be considered a facultative autogamous species. Also, significant differences were found among populations of M. patula for fruit set, seed set, and seed germination. No correlation was found between population size and reproductive output or local weather data. Based on the findings of this study, habitat management recommedations have been made to increase reproductive success of Minuartia patula and the continuation of long-term population surveys was also recommended.","abstract_has_math":false,"creators":["Pearion, Michelle"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Natural Res & Env Sciences","degree_department":null,"school":null,"contributors":["Molano-Flores, Brenda"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-12","date_published":"2013-12","updated_at":"2026-07-22T22:25:38Z","subjects":["breeding system","germination","Minuartia","phenology","reproductive ecology"],"languages":["en"],"rights":["Copyright 2013 Michelle Pearion"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/46885","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Molano-Flores, Brenda"]},{"key":"dc:creator","label":"Author","values":["Pearion, Michelle"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-12","2014-01-16T18:25:13Z","2016-01-16T11:01:25Z"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Natural Res & Env Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["breeding system","germination","Minuartia","phenology","reproductive ecology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2013 Michelle Pearion"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/46885"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Minuartia patula, slender sandwort (Caryophyllaceae), is a winter annual found in barrens, glades, rocky outcrops, and dolomite prairies of the eastern and central United States. This species is rare in Illinois, Indiana and Ohio; and vulnerable in Kentucky, Missouri, and Virginia. Though research on environmental pollution, seed germination, and allelopathic effects have been conducted for this species, little is known about its reprodcutive biology. For many rare plants a thorough understanding of their reproductive ecology is essential for the development of effective conservation strategies. In a two year study, I researched several aspects the reproductive ecology of Minuartia patula at five populations in northeastern Illinois. In particular, I asked three questions: 1) Can variation in population size of Minuartia patula be related to reproductive output or local weather patterns? 2) What can data regarding the reproductive ecology, including the breeding system, phenology, and pollinators tell us about M. patula? 3) Are there differences in fruit set, seed set and germination rates among populations of Minuartia patula? Based on caging studies, flower phenology and pollen to ovule ratio, M. patula can be considered a facultative autogamous species. Also, significant differences were found among populations of M. patula for fruit set, seed set, and seed germination. No correlation was found between population size and reproductive output or local weather data. Based on the findings of this study, habitat management recommedations have been made to increase reproductive success of Minuartia patula and the continuation of long-term population surveys was also recommended.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-12-13T14:01:58Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Pearion_Michelle.pdf: 2828045 bytes, checksum: 49286904cd2d0a81e5e4badec54321a1 (MD5) Pearion_Michelle.pdf: 2828141 bytes, checksum: 1f42e1715ce512fd78619d3a164cf728 (MD5)","Made available in DSpace on 2014-01-16T18:25:13Z (GMT). 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In particular, I asked three questions: 1) Can variation in population size of Minuartia patula be related to reproductive output or local weather patterns? 2) What can data regarding the reproductive ecology, including the breeding system, phenology, and pollinators tell us about M. patula? 3) Are there differences in fruit set, seed set and germination rates among populations of Minuartia patula? Based on caging studies, flower phenology and pollen to ovule ratio, M. patula can be considered a facultative autogamous species. Also, significant differences were found among populations of M. patula for fruit set, seed set, and seed germination. No correlation was found between population size and reproductive output or local weather data. 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