{"id":{"repo_id":"creighton","oai_identifier":"oai:cdr.creighton.edu:10504/114254"},"canonical_url":"https://search.dev.ndltd.org/etd/creighton/oai:cdr.creighton.edu:10504/114254","repository":{"repo_id":"creighton","name":"Creighton University","base_url":"https://cdr.creighton.edu/server/oai/request"},"display":{"title":"The Effects of Social Stress on Reproduction in a Wild Deermouse Population (Peromyscus Leucopus)","abstract":"Seton (1909) stimulated wide interest in the fluctuation of population density of Arctic mammals. However, his account of suicidal migrations of lemmings was based on legend, as were the accounts of periodic erruptions of house mice, rats and voles. Since then, many investigations have presented conflicting ideas on the causes of density cycles in small mammalian populations. | Cyclic variations of numbers in lemmings, voles and mice populations involve several common factors. These factors include ecological (Thompson, 1955; Pitelka, 1962) ethological, (Krebs, 1964a; Christian and Davis, 1964; Sadlier, 1965; Chitty, 1957), physiological (Christian, 1963b; Bronson and Eleftheriou, 1963a; Andrews, 1968a), reproductive (Kalela, 1962 ; Mullen, 1965; Chitty and Phipps, 1966), and mortality (Krebs, 1964; Sadlier, 1965; Chitty, 1960; Chitty and Phipps, 1966; Lidicker, 1965) studies. In general, the influence of these factors may be segregated into two classes: extrinsic factors and intrinsic factors.","abstract_html":"Seton (1909) stimulated wide interest in the fluctuation of population density of Arctic mammals. However, his account of suicidal migrations of lemmings was based on legend, as were the accounts of periodic erruptions of house mice, rats and voles. Since then, many investigations have presented conflicting ideas on the causes of density cycles in small mammalian populations. | Cyclic variations of numbers in lemmings, voles and mice populations involve several common factors. These factors include ecological (Thompson, 1955; Pitelka, 1962) ethological, (Krebs, 1964a; Christian and Davis, 1964; Sadlier, 1965; Chitty, 1957), physiological (Christian, 1963b; Bronson and Eleftheriou, 1963a; Andrews, 1968a), reproductive (Kalela, 1962 ; Mullen, 1965; Chitty and Phipps, 1966), and mortality (Krebs, 1964; Sadlier, 1965; Chitty, 1960; Chitty and Phipps, 1966; Lidicker, 1965) studies. In general, the influence of these factors may be segregated into two classes: extrinsic factors and intrinsic factors.","abstract_has_math":false,"creators":["Christiansen, Edwin C."],"institution":"Creighton University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Andrews, Richard V."],"committee_chairs":[],"committee_members":[],"year":1973,"date_issued":"1973","date_published":"1973","updated_at":"2026-07-24T01:49:51Z","subjects":[],"languages":["en_US"],"rights":["A non-exclusive distribution right is granted to Creighton University and to ProQuest following the publishing model selected above."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10504/114254","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Andrews, Richard V."]},{"key":"dc:creator","label":"Author","values":["Christiansen, Edwin C."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-09-12T16:05:29Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2017-09-12T16:05:29Z"]},{"key":"dc:date.issued","label":"Date","values":["1973"]},{"key":"dc:publisher","label":"Institution","values":["Creighton University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]},{"key":"dc:rights","label":"Dc Rights","values":["A non-exclusive distribution right is granted to Creighton University and to ProQuest following the publishing model selected above."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10504/114254"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Seton (1909) stimulated wide interest in the fluctuation of population density of Arctic mammals. However, his account of suicidal migrations of lemmings was based on legend, as were the accounts of periodic erruptions of house mice, rats and voles. Since then, many investigations have presented conflicting ideas on the causes of density cycles in small mammalian populations. | Cyclic variations of numbers in lemmings, voles and mice populations involve several common factors. These factors include ecological (Thompson, 1955; Pitelka, 1962) ethological, (Krebs, 1964a; Christian and Davis, 1964; Sadlier, 1965; Chitty, 1957), physiological (Christian, 1963b; Bronson and Eleftheriou, 1963a; Andrews, 1968a), reproductive (Kalela, 1962 ; Mullen, 1965; Chitty and Phipps, 1966), and mortality (Krebs, 1964; Sadlier, 1965; Chitty, 1960; Chitty and Phipps, 1966; Lidicker, 1965) studies. In general, the influence of these factors may be segregated into two classes: extrinsic factors and intrinsic factors."]},{"key":"dc:title","label":"Title","values":["The Effects of Social Stress on Reproduction in a Wild Deermouse Population (Peromyscus Leucopus)"]}]}],"canonical_facts":{"dc:contributor.advisor":["Andrews, Richard V."],"dc:creator":["Christiansen, Edwin C."],"dc:date.accessioned":["2017-09-12T16:05:29Z"],"dc:date.available":["2017-09-12T16:05:29Z"],"dc:date.issued":["1973"],"dc:description.abstract":["Seton (1909) stimulated wide interest in the fluctuation of population density of Arctic mammals. However, his account of suicidal migrations of lemmings was based on legend, as were the accounts of periodic erruptions of house mice, rats and voles. Since then, many investigations have presented conflicting ideas on the causes of density cycles in small mammalian populations. | Cyclic variations of numbers in lemmings, voles and mice populations involve several common factors. These factors include ecological (Thompson, 1955; Pitelka, 1962) ethological, (Krebs, 1964a; Christian and Davis, 1964; Sadlier, 1965; Chitty, 1957), physiological (Christian, 1963b; Bronson and Eleftheriou, 1963a; Andrews, 1968a), reproductive (Kalela, 1962 ; Mullen, 1965; Chitty and Phipps, 1966), and mortality (Krebs, 1964; Sadlier, 1965; Chitty, 1960; Chitty and Phipps, 1966; Lidicker, 1965) studies. In general, the influence of these factors may be segregated into two classes: extrinsic factors and intrinsic factors."],"dc:identifier.uri":["http://hdl.handle.net/10504/114254"],"dc:language.iso":["en_US"],"dc:publisher":["Creighton University"],"dc:rights":["A non-exclusive distribution right is granted to Creighton University and to ProQuest following the publishing model selected above."],"dc:title":["The Effects of Social Stress on Reproduction in a Wild Deermouse Population (Peromyscus Leucopus)"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T01:49:51Z"}