{"id":{"repo_id":"creighton","oai_identifier":"oai:cdr.creighton.edu:10504/113235"},"canonical_url":"https://search.dev.ndltd.org/etd/creighton/oai:cdr.creighton.edu:10504/113235","repository":{"repo_id":"creighton","name":"Creighton University","base_url":"https://cdr.creighton.edu/server/oai/request"},"display":{"title":"Adaptive Endocrine Changes in a Natural Population of Brown Lemmings (Lemmus Trimucronatus) During the Summer of 1969","abstract":"A 1957 publication by Wing brings to light the existence of information about cyclic populations of Norwegian lemmings- (Lemen), mice (Mus), and \"rodent\" (Smagnagere) which reaches as far back as 1578. This information supports the assumption that cyclic populations have probably been in existence for many hundreds of years. However, documented proof of such cycling can be traced back only to 1578, and even here, the evidence is scattered. The cycles observed by Wing (1957) were determined to be about 3.86 years in length. Populations of such regular cycling must have some means by which they regulate their cycles to this 3.86-year pattern.","abstract_html":"A 1957 publication by Wing brings to light the existence of information about cyclic populations of Norwegian lemmings- (Lemen), mice (Mus), and "rodent" (Smagnagere) which reaches as far back as 1578. This information supports the assumption that cyclic populations have probably been in existence for many hundreds of years. However, documented proof of such cycling can be traced back only to 1578, and even here, the evidence is scattered. The cycles observed by Wing (1957) were determined to be about 3.86 years in length. Populations of such regular cycling must have some means by which they regulate their cycles to this 3.86-year pattern.","abstract_has_math":false,"creators":["Strohbehn, Ronald E."],"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":1970,"date_issued":"1970","date_published":"1970","updated_at":"2026-07-24T01:51:52Z","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/10504/113235","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":["Strohbehn, Ronald E."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-05-30T14:58:48Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2017-05-30T14:58:48Z"]},{"key":"dc:date.issued","label":"Date","values":["1970"]},{"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/10504/113235"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A 1957 publication by Wing brings to light the existence of information about cyclic populations of Norwegian lemmings- (Lemen), mice (Mus), and \"rodent\" (Smagnagere) which reaches as far back as 1578. This information supports the assumption that cyclic populations have probably been in existence for many hundreds of years. However, documented proof of such cycling can be traced back only to 1578, and even here, the evidence is scattered. The cycles observed by Wing (1957) were determined to be about 3.86 years in length. Populations of such regular cycling must have some means by which they regulate their cycles to this 3.86-year pattern."]},{"key":"dc:title","label":"Title","values":["Adaptive Endocrine Changes in a Natural Population of Brown Lemmings (Lemmus Trimucronatus) During the Summer of 1969"]}]}],"canonical_facts":{"dc:contributor.advisor":["Andrews, Richard V."],"dc:creator":["Strohbehn, Ronald E."],"dc:date.accessioned":["2017-05-30T14:58:48Z"],"dc:date.available":["2017-05-30T14:58:48Z"],"dc:date.issued":["1970"],"dc:description.abstract":["A 1957 publication by Wing brings to light the existence of information about cyclic populations of Norwegian lemmings- (Lemen), mice (Mus), and \"rodent\" (Smagnagere) which reaches as far back as 1578. This information supports the assumption that cyclic populations have probably been in existence for many hundreds of years. However, documented proof of such cycling can be traced back only to 1578, and even here, the evidence is scattered. The cycles observed by Wing (1957) were determined to be about 3.86 years in length. Populations of such regular cycling must have some means by which they regulate their cycles to this 3.86-year pattern."],"dc:identifier.uri":["http://hdl.handle.net/10504/113235"],"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":["Adaptive Endocrine Changes in a Natural Population of Brown Lemmings (Lemmus Trimucronatus) During the Summer of 1969"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T01:51:52Z"}