{"id":"https://openalex.org/W2331704017","doi":"https://doi.org/10.2307/2989650","title":"Vegetative and Reproductive Strategies of Opuntia (Cactaceae) in the Galapagos Islands","display_name":"Vegetative and Reproductive Strategies of Opuntia (Cactaceae) in the Galapagos Islands","publication_year":1974,"publication_date":"1974-09-01","ids":{"openalex":"https://openalex.org/W2331704017","doi":"https://doi.org/10.2307/2989650","mag":"2331704017"},"language":"en","primary_location":{"id":"doi:10.2307/2989650","doi":"https://doi.org/10.2307/2989650","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2989650","pdf_url":null,"source":{"id":"https://openalex.org/S17068196","display_name":"Biotropica","issn_l":"0006-3606","issn":["0006-3606","1744-7429"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"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":"Biotropica","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/A5091038163","display_name":"Charles H. Racine","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Charles H. Racine","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5053416192","display_name":"Jerry F. Downhower","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jerry F. Downhower","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":2630,"currency":"USD","value_usd":2630},"apc_paid":null,"fwci":1.5397,"has_fulltext":false,"cited_by_count":41,"citation_normalized_percentile":{"value":0.78362573,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"6","issue":"3","first_page":"175","last_page":"175"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12618","display_name":"Botany and Plant Ecology Studies","score":0.6654999852180481,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12618","display_name":"Botany and Plant Ecology Studies","score":0.6654999852180481,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T14310","display_name":"Botany and Geology in Latin America and Caribbean","score":0.13490000367164612,"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"}},{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.05719999969005585,"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/opuntia","display_name":"Opuntia","score":0.9990000128746033},{"id":"https://openalex.org/keywords/cactaceae","display_name":"Cactaceae","score":0.6769999861717224},{"id":"https://openalex.org/keywords/galapagos-islands","display_name":"Gal\u00e1pagos Islands","score":0.8069999814033508},{"id":"https://openalex.org/keywords/reproductive-strategies","display_name":"reproductive strategies","score":0.9309999942779541},{"id":"https://openalex.org/keywords/seed-predation","display_name":"seed predation","score":0.6069999933242798},{"id":"https://openalex.org/keywords/seed-dispersal","display_name":"seed dispersal","score":0.8240000009536743},{"id":"https://openalex.org/keywords/seed-coat-thickness","display_name":"seed coat thickness","score":0.7590000033378601},{"id":"https://openalex.org/keywords/light-competition","display_name":"light competition","score":0.8080000281333923},{"id":"https://openalex.org/keywords/wind-intensity","display_name":"wind intensity","score":0.8399999737739563},{"id":"https://openalex.org/keywords/endemic-species","display_name":"endemic species","score":0.6309999823570251},{"id":"https://openalex.org/keywords/santa-cruz-island","display_name":"Santa Cruz Island","score":0.6019999980926514},{"id":"https://openalex.org/keywords/plant-animal-interactions","display_name":"plant-animal interactions","score":0.5249999761581421}],"concepts":[{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5352969765663147},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.481972873210907},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.38062360882759094},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.3408236503601074}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2307/2989650","doi":"https://doi.org/10.2307/2989650","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2989650","pdf_url":null,"source":{"id":"https://openalex.org/S17068196","display_name":"Biotropica","issn_l":"0006-3606","issn":["0006-3606","1744-7429"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"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":"Biotropica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1969355688","https://openalex.org/W1970181363","https://openalex.org/W1973833797","https://openalex.org/W1986583723","https://openalex.org/W2005269848","https://openalex.org/W2026412915","https://openalex.org/W2057450151","https://openalex.org/W2067871146","https://openalex.org/W2128666103","https://openalex.org/W2151673661","https://openalex.org/W2152552739","https://openalex.org/W2314426308","https://openalex.org/W2321791674","https://openalex.org/W2325216580","https://openalex.org/W2334905826","https://openalex.org/W2801850938"],"related_works":["https://openalex.org/W2022007570","https://openalex.org/W2080561984","https://openalex.org/W4389824920","https://openalex.org/W1965799909","https://openalex.org/W2616643523","https://openalex.org/W2577341890","https://openalex.org/W2584220450","https://openalex.org/W1505130092","https://openalex.org/W2543575622","https://openalex.org/W2130425991"],"abstract_inverted_index":{"In":[0],"the":[1,4,30,39,59,118,179,193],"Galapagos":[2],"Islands,":[3],"Opuntia":[5,46,79,97,114,141],"cactus":[6],"is":[7],"represented":[8],"by":[9,140,151,162,173,178],"a":[10,201],"large":[11,202],"number":[12],"of":[13,33,45,61,94,113,120,138,148,159,181,197],"endemic":[14],"species":[15],"and":[16,22,48,68,73,86,92,110,128,135,153,155,203],"varieties":[17],"dis.":[18],"playing":[19],"different":[20],"vegetative":[21],"reproductive":[23,111],"characteristics":[24],"on":[25,41,51,81,186],"each":[26,42],"island.":[27,188],"To":[28],"determine":[29],"adaptive":[31],"significance":[32],"this":[34],"variation":[35,95,166],"in":[36,96,105,167],"relation":[37],"to":[38,117,130,145,156],"conditions":[40],"island,":[43],"studies":[44],"populations":[47],"individuals":[49],"growing":[50],"three":[52],"islands":[53,100,199],"were":[54,71,76],"carried":[55],"out;":[56],"relationships":[57],"between":[58],"dimensions":[60],"tree":[62],"height,":[63],"trunk":[64],"diameter,":[65],"pad":[66,108],"numbers":[67,70,180],"fruit":[69,139],"determined,":[72],"seed-fruit":[74],"energetics":[75],"measured":[77],"for":[78,122],"trees":[80],"Santa":[82,84],"Cruz,":[83],"Fe,":[85],"Pinzon":[87],"Islands.":[88],"Additional":[89],"seed":[90,149,160],"collections":[91],"analysis":[93],"from":[98],"other":[99,125],"are":[101,115],"included.":[102],"Interisland":[103],"differences":[104],"height-diameter":[106],"growth,":[107],"production,":[109],"effort":[112],"related":[116],"amount":[119],"competition":[121],"light":[123],"with":[124],"woody":[126],"plants":[127],"possibly":[129],"wind":[131],"intensity.":[132],"The":[133,164],"prolonged":[134],"asynchronous":[136],"dropping":[137],"may":[142,170],"act":[143],"both":[144],"increase":[146],"assurance":[147],"dispersal":[150],"iguanas":[152],"tortoises":[154],"decrease":[157],"chances":[158],"predation":[161,174],"finches.":[163],"interisland":[165],"seed-coat":[168],"thickness":[169],"be":[171],"affected":[172],"pressure":[175],"as":[176],"determined":[177],"alternative":[182],"plant":[183],"food":[184],"sources":[185],"an":[187],"IN":[189],"THE":[190],"GALAPAGOS":[191],"ISLANDS,":[192],"arid":[194],"zone":[195],"communities":[196],"most":[198],"contain":[200],"bizarre":[204]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}