{"id":"https://openalex.org/W7214641809","doi":"https://doi.org/10.64898/2026.09.22.750472","title":"Species-composition distributions under competition, ecological drift and immigration","display_name":"Species-composition distributions under competition, ecological drift and immigration","publication_year":2026,"publication_date":"2026-09-28","ids":{"openalex":"https://openalex.org/W7214641809","doi":"https://doi.org/10.64898/2026.09.22.750472"},"language":"en","primary_location":{"id":"doi:10.64898/2026.09.22.750472","doi":"https://doi.org/10.64898/2026.09.22.750472","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.22.750472","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/28/2026.09.22.750472.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/28/2026.09.22.750472.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008688523","display_name":"Ryuichi Kumata","orcid":"https://orcid.org/0000-0002-6428-6357","observed_orcids":["https://orcid.org/0000-0002-6428-6357"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210089824","display_name":"Centre d'\u00c9cologie Fonctionnelle et \u00c9volutive","ror":"https://ror.org/008rywf59","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I159885104","https://openalex.org/I19894307","https://openalex.org/I24906876","https://openalex.org/I2746051580","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210089824","https://openalex.org/I4210090127","https://openalex.org/I4210107625","https://openalex.org/I4210117091","https://openalex.org/I4210131494","https://openalex.org/I4210166444","https://openalex.org/I4399657933","https://openalex.org/I4405261681"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I43777268","display_name":"Nagasaki University","ror":"https://ror.org/058h74p94","country_code":"JP","type":"education","lineage":["https://openalex.org/I43777268"]},{"id":"https://openalex.org/I4405287243","display_name":"Institute of Tropical Medicine, Nagasaki University","ror":"https://ror.org/04hv4pw79","country_code":"JP","type":"facility","lineage":["https://openalex.org/I43777268","https://openalex.org/I4405287243"]}],"countries":["FR","JP"],"is_corresponding":true,"raw_author_name":"Ryuichi Kumata","raw_affiliation_strings":["CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France","Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan"],"raw_orcid":"https://orcid.org/0000-0002-6428-6357","affiliations":[{"raw_affiliation_string":"CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210089824","https://openalex.org/I4210166444"]},{"raw_affiliation_string":"Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan","institution_ids":["https://openalex.org/I43777268","https://openalex.org/I4405287243"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5008688523"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210089824","https://openalex.org/I4210166444","https://openalex.org/I43777268","https://openalex.org/I4405287243"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10005","display_name":"Ecology and Vegetation Dynamics Studies","score":0.6865000128746033,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"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/T10005","display_name":"Ecology and Vegetation Dynamics Studies","score":0.6865000128746033,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"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/T10482","display_name":"Mathematical and Theoretical Epidemiology and Ecology Models","score":0.2549000084400177,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13377","display_name":"Ecosystem dynamics and resilience","score":0.03240000084042549,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/species-composition","display_name":"species composition","score":0.6460000276565552},{"id":"https://openalex.org/keywords/community-composition","display_name":"community composition","score":0.5419999957084656},{"id":"https://openalex.org/keywords/competition-biology","display_name":"competition (biology)","score":0.7009999752044678},{"id":"https://openalex.org/keywords/ecological-drift","display_name":"ecological drift","score":0.9599999785423279},{"id":"https://openalex.org/keywords/immigration","display_name":"immigration","score":0.9990000128746033},{"id":"https://openalex.org/keywords/neutral-theory","display_name":"neutral theory","score":0.8130000233650208},{"id":"https://openalex.org/keywords/stationary-distribution","display_name":"stationary distribution","score":0.7739999890327454},{"id":"https://openalex.org/keywords/two-species-competition-model","display_name":"two-species competition model","score":0.8130000233650208},{"id":"https://openalex.org/keywords/species-dominance","display_name":"species dominance","score":0.8100000023841858},{"id":"https://openalex.org/keywords/trimodal-distribution","display_name":"trimodal distribution","score":0.8130000233650208},{"id":"https://openalex.org/keywords/competitive-asymmetry","display_name":"competitive asymmetry","score":0.9710000157356262},{"id":"https://openalex.org/keywords/community-state","display_name":"community state","score":0.492000013589859}],"concepts":[{"id":"https://openalex.org/C151913843","wikidata":"https://www.wikidata.org/wiki/Q3454555","display_name":"Dominance (genetics)","level":3,"score":0.7856000065803528},{"id":"https://openalex.org/C70036468","wikidata":"https://www.wikidata.org/wiki/Q131288","display_name":"Immigration","level":2,"score":0.6477000117301941},{"id":"https://openalex.org/C91306197","wikidata":"https://www.wikidata.org/wiki/Q45767","display_name":"Competition (biology)","level":2,"score":0.5419999957084656},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.516700029373169},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5123000144958496},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.5067999958992004},{"id":"https://openalex.org/C33252445","wikidata":"https://www.wikidata.org/wiki/Q3713315","display_name":"Stochastic dominance","level":2,"score":0.49790000915527344},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.4713999927043915},{"id":"https://openalex.org/C1570309","wikidata":"https://www.wikidata.org/wiki/Q1055017","display_name":"Neutral theory of molecular evolution","level":3,"score":0.4284000098705292},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.42100000381469727},{"id":"https://openalex.org/C2777963317","wikidata":"https://www.wikidata.org/wiki/Q5156331","display_name":"Competition model","level":3,"score":0.4156999886035919},{"id":"https://openalex.org/C38976095","wikidata":"https://www.wikidata.org/wiki/Q752641","display_name":"Asymmetry","level":2,"score":0.3723999857902527},{"id":"https://openalex.org/C133079900","wikidata":"https://www.wikidata.org/wiki/Q5155065","display_name":"Community structure","level":2,"score":0.37229999899864197},{"id":"https://openalex.org/C4590074","wikidata":"https://www.wikidata.org/wiki/Q5608096","display_name":"Community","level":3,"score":0.3116999864578247},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3075000047683716},{"id":"https://openalex.org/C26271046","wikidata":"https://www.wikidata.org/wiki/Q187097","display_name":"Economic geography","level":1,"score":0.301800012588501},{"id":"https://openalex.org/C98951983","wikidata":"https://www.wikidata.org/wiki/Q7604341","display_name":"Stationary distribution","level":3,"score":0.25920000672340393}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.64898/2026.09.22.750472","doi":"https://doi.org/10.64898/2026.09.22.750472","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.22.750472","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/28/2026.09.22.750472.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.64898/2026.09.22.750472","doi":"https://doi.org/10.64898/2026.09.22.750472","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.22.750472","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/28/2026.09.22.750472.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214641809.pdf","grobid_xml":"https://content.openalex.org/works/W7214641809.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2114649914","https://openalex.org/W2106890697","https://openalex.org/W7096619509","https://openalex.org/W2264585225","https://openalex.org/W2618517255","https://openalex.org/W6967228612","https://openalex.org/W2273955622","https://openalex.org/W1990037914","https://openalex.org/W3143461198","https://openalex.org/W4306641755"],"abstract_inverted_index":{"Abstract":[0],"Understanding":[1],"how":[2,30,39,156],"species":[3,70],"interactions,":[4],"ecological":[5,148],"drift,":[6,149],"and":[7,51,62,75,89,111,113,150,180],"immigration":[8,61,151],"jointly":[9,152],"shape":[10],"community":[11,18,26,33,46,134,158,164,191],"composition":[12,47,71,91,127,159],"is":[13],"a":[14,55,64,120],"central":[15],"goal":[16],"of":[17,45,68,186,190],"ecology.":[19],"These":[20],"processes":[21],"determine":[22,153],"not":[23,154],"only":[24,155],"average":[25],"composition,":[27],"but":[28,161],"also":[29,162],"often":[31],"different":[32],"states":[34,115,165],"occur.":[35],"Here,":[36],"we":[37,81],"ask":[38],"competition":[40,58,144,181],"reshapes":[41],"the":[42,100,129,184,187],"neutral":[43,179],"distribution":[44,67,189],"generated":[48],"by":[49],"drift":[50],"immigration.":[52,77],"We":[53],"analyze":[54],"stochastic":[56,138],"two-species":[57],"model":[59,103],"with":[60],"derive":[63],"closed-form":[65],"stationary":[66],"relative":[69],"under":[72],"near":[73],"neutrality":[74],"weak":[76],"From":[78],"this":[79],"distribution,":[80],"obtain":[82],"explicit":[83],"boundaries":[84],"separating":[85],"distinct":[86],"unimodal,":[87],"bimodal,":[88],"trimodal":[90,121],"regimes.":[92],"Species":[93],"dominance":[94,114],"can":[95,116],"become":[96],"common":[97],"even":[98],"when":[99],"corresponding":[101],"deterministic":[102,143],"predicts":[104],"stable":[105],"coexistence,":[106],"particularly":[107],"in":[108,119],"smaller":[109],"communities,":[110],"balanced":[112],"occur":[117],"together":[118],"distribution.":[122],"Competitive":[123],"asymmetry":[124],"further":[125],"biases":[126],"toward":[128],"competitively":[130],"favored":[131],"species.":[132],"Finite":[133],"size":[135],"systematically":[136],"shifts":[137],"transitions":[139],"away":[140],"from":[141],"their":[142],"thresholds.":[145],"Thus,":[146],"competition,":[147],"much":[157],"varies,":[160],"which":[163],"are":[166],"most":[167],"likely":[168],"to":[169],"be":[170],"observed.":[171],"Our":[172],"results":[173],"provide":[174],"an":[175],"analytical":[176],"bridge":[177],"between":[178],"theory":[182],"at":[183],"level":[185],"full":[188],"composition.":[192]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-09-29T00:00:00"}
