{"id":"https://openalex.org/W2015013126","doi":"https://doi.org/10.2307/1933969","title":"Dynamics and Regulation of Red Squirrel (Tamiasciurus Hudsonicus) Populations","display_name":"Dynamics and Regulation of Red Squirrel (Tamiasciurus Hudsonicus) Populations","publication_year":1970,"publication_date":"1970-09-01","ids":{"openalex":"https://openalex.org/W2015013126","doi":"https://doi.org/10.2307/1933969","mag":"2015013126"},"language":"en","primary_location":{"id":"doi:10.2307/1933969","doi":"https://doi.org/10.2307/1933969","is_oa":false,"landing_page_url":"https://doi.org/10.2307/1933969","pdf_url":null,"source":{"id":"https://openalex.org/S35917800","display_name":"Ecology","issn_l":"0012-9658","issn":["0012-9658","1939-9170"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","cwts-core","dongbi-b","jufo-3","ki-jl-1","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ecology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058912650","display_name":"Gerald A. Kemp","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gerald A. Kemp","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5087620528","display_name":"Lloyd B. Keith","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lloyd B. Keith","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3970,"currency":"USD","value_usd":3970},"apc_paid":null,"fwci":5.2318,"has_fulltext":false,"cited_by_count":214,"citation_normalized_percentile":{"value":0.93464744,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":"51","issue":"5","first_page":"763","last_page":"779"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11913","display_name":"Animal Ecology and Behavior Studies","score":0.9717000126838684,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11913","display_name":"Animal Ecology and Behavior Studies","score":0.9717000126838684,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10199","display_name":"Wildlife Ecology and Conservation","score":0.02590000070631504,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/tamiasciurus-hudsonicus","display_name":"Tamiasciurus hudsonicus","score":0.9750000238418579},{"id":"https://openalex.org/keywords/population-dynamics","display_name":"population dynamics","score":0.9470000267028809},{"id":"https://openalex.org/keywords/population-fluctuations","display_name":"population fluctuations","score":0.8180000185966492},{"id":"https://openalex.org/keywords/cone-crops","display_name":"cone crops","score":0.8489999771118164},{"id":"https://openalex.org/keywords/picea-glauca","display_name":"Picea glauca","score":0.8920000195503235},{"id":"https://openalex.org/keywords/rainfall","display_name":"rainfall","score":0.6240000128746033},{"id":"https://openalex.org/keywords/reproductive-output","display_name":"reproductive output","score":0.8799999952316284},{"id":"https://openalex.org/keywords/litter-size","display_name":"litter size","score":0.8410000205039978},{"id":"https://openalex.org/keywords/adult-mortality","display_name":"adult mortality","score":0.6869999766349792},{"id":"https://openalex.org/keywords/juvenile-mortality","display_name":"juvenile mortality","score":0.8830000162124634},{"id":"https://openalex.org/keywords/life-tables","display_name":"life tables","score":0.5910000205039978},{"id":"https://openalex.org/keywords/territoriality","display_name":"territoriality","score":0.597000002861023},{"id":"https://openalex.org/keywords/food-caching","display_name":"food caching","score":0.6200000047683716},{"id":"https://openalex.org/keywords/canadian-prairies","display_name":"Canadian prairies","score":0.6629999876022339},{"id":"https://openalex.org/keywords/alberta","display_name":"Alberta","score":0.7490000128746033},{"id":"https://openalex.org/keywords/saskatchewan","display_name":"Saskatchewan","score":0.9639999866485596},{"id":"https://openalex.org/keywords/manitoba","display_name":"Manitoba","score":0.9559999704360962}],"concepts":[{"id":"https://openalex.org/C115961737","wikidata":"https://www.wikidata.org/wiki/Q1516282","display_name":"Juvenile","level":2,"score":0.7362130284309387},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.6081305146217346},{"id":"https://openalex.org/C2779429622","wikidata":"https://www.wikidata.org/wiki/Q1780867","display_name":"Litter","level":2,"score":0.5837051272392273},{"id":"https://openalex.org/C33283694","wikidata":"https://www.wikidata.org/wiki/Q1131316","display_name":"Deciduous","level":2,"score":0.5813418626785278},{"id":"https://openalex.org/C2775921128","wikidata":"https://www.wikidata.org/wiki/Q3138714","display_name":"Overwintering","level":2,"score":0.5794768333435059},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5721266269683838},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.542244553565979},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.47991427779197693},{"id":"https://openalex.org/C203174812","wikidata":"https://www.wikidata.org/wiki/Q3241565","display_name":"Woodland","level":2,"score":0.42155855894088745},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3906753659248352},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2307/1933969","doi":"https://doi.org/10.2307/1933969","is_oa":false,"landing_page_url":"https://doi.org/10.2307/1933969","pdf_url":null,"source":{"id":"https://openalex.org/S35917800","display_name":"Ecology","issn_l":"0012-9658","issn":["0012-9658","1939-9170"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","cwts-core","dongbi-b","jufo-3","ki-jl-1","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ecology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life on land","score":0.5170000195503235}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332478","display_name":"U.S. Forest Service","ror":"https://ror.org/03zmjc935"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2016009873","https://openalex.org/W2080845936","https://openalex.org/W2021238765","https://openalex.org/W2277916165","https://openalex.org/W4391440080","https://openalex.org/W2890900607","https://openalex.org/W2313927997","https://openalex.org/W1969844042","https://openalex.org/W1979548969","https://openalex.org/W2092011964"],"abstract_inverted_index":{"This":[0,323],"paper":[1],"describes":[2],"red":[3,39,235,292],"squirrel":[4,40,141,236,293,362],"population":[5,27,227,396],"dynamics":[6],"on":[7,42,127],"two":[8,147],"intensive":[9],"study":[10,44,130],"areas":[11,45,213],"(Camp":[12],"and":[13,25,29,35,63,107,116,162,180,183,205,232,258,291,312,335,376,380],"Main)":[14],"in":[15,54,73,77,166,217,229,255,265,276,295,309,352],"mixed\u2014forest":[16],"types":[17],"near":[18],"Rochester,":[19],"Alberta.":[20],"It":[21],"also":[22],"examines":[23],"local":[24],"regional":[26,400],"fluctuations,":[28,397],"their":[30],"relationship":[31],"to":[32,50,75,90,144,240],"cone":[33,289,307,344,349],"crops":[34,290,308],"weather":[36,330,360,401],"factors.":[37],"Adult":[38],"numbers":[41],"our":[43],"varied":[46],"little":[47],"from":[48,71,88],"1967":[49,74,137,179],"1968.":[51],"Yearly":[52],"differences":[53],"reproductive":[55],"output":[56],"were":[57,156,214,224,261],"caused":[58],"principally":[59],"by":[60,299,366],"changing":[61],"ovulation":[62],"pregnancy":[64],"rates.":[65],"Mean":[66],"litter":[67],"size":[68,339],"increased":[69,86],"significantly":[70,87,262],"3.4":[72],"4.3":[76],"1968;":[78],"while":[79,271],"the":[80,128,133,160,176,199,219,246,272,317,325,338,341,381,391],"per":[81],"cent":[82],"adult":[83,109,125,187],"females":[84],"breeding":[85],"67":[89],"88.":[91],"A":[92,121,280],"life\u2014table":[93],"analysis":[94],"of":[95,112,124,146,178,185,194,201,234,245,268,316,340,369,395],"age\u2014ratio":[96],"data":[97],"estimated":[98],"mean":[99,250,274],"annual":[100,300],"mortality":[101,110,126],"among":[102],"juveniles":[103],"(postweaning)":[104],"at":[105],"67%;":[106],"an":[108],"rate":[111],"34%":[113],"for":[114,118],"yearlings":[115],"61%":[117],"older":[119],"cohorts.":[120],"time\u2014specific":[122],"estimate":[123],"Camp":[129],"area":[131,170],"during":[132,159,314],"year":[134,173,319],"starting":[135],"summer":[136,311,315,384],"was":[138,171,284,320,364],"21%.":[139],"Red":[140],"territories":[142,165,196],"appeared":[143],"be":[145,404],"distinct":[148],"types:":[149],"(1)":[150],"defended":[151,172],"winter":[152],"food":[153,210],"caches":[154],"which":[155,167,359],"subsequently":[157],"abandoned":[158],"summer,":[161],"(2)":[163],"\"prime\"":[164],"a":[168,207,356,367,387],"specific":[169],"round.":[174],"During":[175],"summers":[177],"1968,":[181],"31%":[182],"26%":[184],"study\u2014area":[186],"populations":[188,294,363],"occupied":[189],"prime":[190,195],"territories.":[191],"The":[192,303],"distribution":[193],"chiefly":[197],"reflected":[198],"presence":[200],"mature":[202],"seed\u2014producing":[203],"conifers,":[204],"hence":[206,336],"potential":[208],"year\u2014round":[209],"supply.":[211],"Deciduous":[212],"particularly":[215],"important":[216],"overwintering":[218],"juvenile":[220],"cohort.":[221],"Fur":[222],"returns":[223,379],"used":[225],"as":[226,297],"indices":[228],"determining":[230],"synchrony":[231,394],"periodicity":[233],"fluctuations.":[237],"Fluctuations":[238],"tend":[239],"occur":[241],"synchronously":[242],"over":[243],"much":[244],"Prairie":[247],"Provinces.":[248],"Furthermore,":[249],"intervals":[251],"between":[252,286,306,374],"peak":[253],"years":[254],"Alberta":[256,296,375],"(2.6)":[257],"Saskatchewan":[259,377],"(2.8)":[260],"shorter":[263],"than":[264],"random":[266],"series":[267],"comparable":[269],"length,":[270],"2.9\u2014year":[273],"interval":[275],"Manitoba":[277],"approached":[278],"significance.":[279],"statistically":[281,370],"significant":[282,371],"correlation":[283,305],"found":[285],"white":[287],"spruce":[288],"indexed":[298],"fur":[301,378],"harvests.":[302],"negative":[304,372],"late":[310],"rainfall":[313],"preceding":[318,382],"almost":[321],"significant.":[322],"supported":[324,365],"widely":[326],"held":[327],"view":[328],"that":[329,348],"factors":[331],"influence":[332],"bud":[333],"differentiation":[334],"determine":[337],"following":[342],"year's":[343,383],"crop.":[345],"Our":[346],"contention":[347],"production":[350],"may":[351],"this":[353],"way":[354],"provide":[355],"vehicle":[357],"through":[358],"affects":[361],"number":[368],"correlations":[373],"rainfall.":[385],"Such":[386],"mechanism":[388],"would":[389],"explain":[390],"observed":[392],"widespread":[393],"since":[398],"extensive":[399],"patterns":[402],"could":[403],"involved.":[405]},"counts_by_year":[{"year":2026,"cited_by_count":8},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
