{"id":"https://openalex.org/W2148696484","doi":"https://doi.org/10.21273/jashs.122.1.38","title":"Leaf Gas-exchange Characteristics of Sixteen Cycad Species","display_name":"Leaf Gas-exchange Characteristics of Sixteen Cycad Species","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W2148696484","doi":"https://doi.org/10.21273/jashs.122.1.38","mag":"2148696484"},"language":"en","primary_location":{"id":"doi:10.21273/jashs.122.1.38","doi":"https://doi.org/10.21273/jashs.122.1.38","is_oa":true,"landing_page_url":"https://doi.org/10.21273/jashs.122.1.38","pdf_url":"https://journals.ashs.org/downloadpdf/journals/jashs/122/1/article-p38.pdf","source":{"id":"https://openalex.org/S2764541395","display_name":"Journal of the American Society for Horticultural Science","issn_l":"0003-1062","issn":["0003-1062","2327-9788"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4320800526","host_organization_name":"American Society for Horticultural Science","host_organization_lineage":["https://openalex.org/P4320800526"],"host_organization_lineage_names":["American Society for Horticultural Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Horticultural Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://journals.ashs.org/downloadpdf/journals/jashs/122/1/article-p38.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047982780","display_name":"Thomas Edward Marler","orcid":"https://orcid.org/0000-0002-7348-2632","observed_orcids":["https://orcid.org/0000-0002-7348-2632"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas E. Marler","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5083362803","display_name":"Leah E. Willis","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leah E. Willis","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":3500,"currency":"USD","value_usd":3500},"apc_paid":{"value":3500,"currency":"USD","value_usd":3500},"fwci":0.0,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"122","issue":"1","first_page":"38","last_page":"42"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10266","display_name":"Plant Water Relations and Carbon Dynamics","score":0.5259000062942505,"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"}},"topics":[{"id":"https://openalex.org/T10266","display_name":"Plant Water Relations and Carbon Dynamics","score":0.5259000062942505,"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"}},{"id":"https://openalex.org/T14310","display_name":"Botany and Geology in Latin America and Caribbean","score":0.4690000116825104,"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/T12359","display_name":"Fern and Epiphyte Biology","score":0.0010999999940395355,"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/cycads","display_name":"cycads","score":0.9959999918937683},{"id":"https://openalex.org/keywords/leaf-gas-exchange","display_name":"leaf gas exchange","score":0.9459999799728394},{"id":"https://openalex.org/keywords/net-photosynthesis","display_name":"net photosynthesis","score":0.878000020980835},{"id":"https://openalex.org/keywords/stomatal-conductance","display_name":"stomatal conductance","score":0.9950000047683716},{"id":"https://openalex.org/keywords/transpiration","display_name":"transpiration","score":0.9919999837875366},{"id":"https://openalex.org/keywords/water-use-efficiency","display_name":"water use efficiency","score":0.996999979019165},{"id":"https://openalex.org/keywords/leaf-temperature","display_name":"leaf temperature","score":0.652999997138977},{"id":"https://openalex.org/keywords/diurnal-variation","display_name":"diurnal variation","score":0.9369999766349792},{"id":"https://openalex.org/keywords/dark-respiration","display_name":"dark respiration","score":0.8169999718666077},{"id":"https://openalex.org/keywords/zamia-furfuracea","display_name":"Zamia furfuracea","score":0.9049999713897705},{"id":"https://openalex.org/keywords/cycas","display_name":"Cycas","score":0.7279999852180481}],"concepts":[{"id":"https://openalex.org/C2778016470","wikidata":"https://www.wikidata.org/wiki/Q1089795","display_name":"Cycad","level":2,"score":0.7858096361160278},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.6502679586410522},{"id":"https://openalex.org/C157517311","wikidata":"https://www.wikidata.org/wiki/Q167980","display_name":"Transpiration","level":3,"score":0.616605818271637},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5348329544067383},{"id":"https://openalex.org/C183688256","wikidata":"https://www.wikidata.org/wiki/Q11982","display_name":"Photosynthesis","level":2,"score":0.48133453726768494},{"id":"https://openalex.org/C2781045423","wikidata":"https://www.wikidata.org/wiki/Q7618701","display_name":"Stomatal conductance","level":3,"score":0.4369882643222809},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.4220890998840332}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21273/jashs.122.1.38","doi":"https://doi.org/10.21273/jashs.122.1.38","is_oa":true,"landing_page_url":"https://doi.org/10.21273/jashs.122.1.38","pdf_url":"https://journals.ashs.org/downloadpdf/journals/jashs/122/1/article-p38.pdf","source":{"id":"https://openalex.org/S2764541395","display_name":"Journal of the American Society for Horticultural Science","issn_l":"0003-1062","issn":["0003-1062","2327-9788"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4320800526","host_organization_name":"American Society for Horticultural Science","host_organization_lineage":["https://openalex.org/P4320800526"],"host_organization_lineage_names":["American Society for Horticultural Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Horticultural Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.21273/jashs.122.1.38","doi":"https://doi.org/10.21273/jashs.122.1.38","is_oa":true,"landing_page_url":"https://doi.org/10.21273/jashs.122.1.38","pdf_url":"https://journals.ashs.org/downloadpdf/journals/jashs/122/1/article-p38.pdf","source":{"id":"https://openalex.org/S2764541395","display_name":"Journal of the American Society for Horticultural Science","issn_l":"0003-1062","issn":["0003-1062","2327-9788"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4320800526","host_organization_name":"American Society for Horticultural Science","host_organization_lineage":["https://openalex.org/P4320800526"],"host_organization_lineage_names":["American Society for Horticultural Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Horticultural Science","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.4399999976158142,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2148696484.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7100209907","https://openalex.org/W2063598419","https://openalex.org/W2096181042","https://openalex.org/W7120712850","https://openalex.org/W7024536249","https://openalex.org/W4410510712","https://openalex.org/W7146695379","https://openalex.org/W3026967433","https://openalex.org/W137777869","https://openalex.org/W3048887293"],"abstract_inverted_index":{"Leaf":[0,184],"gas":[1,185,217],"exchange":[2,186,218],"characteristics":[3],"for":[4,31,41,67,78,94,107,187,200,219,247,257,263,274],"16":[5],"species":[6,161,171,191,204],"of":[7,116,155,159,168,178,240,271],"cycad":[8],"were":[9,162],"determined":[10],"under":[11],"field":[12],"conditions":[13],"in":[14,46,181,215,231],"Miami,":[15],"Fla.":[16],"Net":[17],"CO":[18],"2":[19,52],"assimilation":[20],"(A":[21],"CO2":[22,123,233,246,259],")":[23,56],"ranged":[24,87,132],"from":[25,61,88,133],"4.9":[26],"\u03bcmol\u00b7m":[27,37],"-2":[28,38,64,75,91,104],"\u00b7s":[29,39,65,76,92,105],"-1":[30,40,66,77,93,106],"Lepidozamia":[32],"peroffskyana":[33],"Regel":[34],"to":[35,50,72,101,135,142,243],"10.1":[36],"Zamia":[42,220,248],"furfuracea":[43,221,249],"L.":[44],"fil.":[45],"Aiton.":[47],"Stomatal":[48],"conductance":[49],"H":[51],"O":[53],"(g":[54],"s":[55,145,236,262],"was":[57,113,139,196,250],"more":[58,114],"variable,":[59],"ranging":[60],"85":[62],"mmol\u00b7m":[63,74,90,103],"Cycas":[68,95],"seemannii":[69],"A.":[70,81],"Br.":[71,82],"335":[73],"Encephalartos":[79,108],"hildebrandtii":[80],"&":[83,99],"Bouche.":[84],"Transpiration":[85],"(E)":[86],"1.7":[89],"chamberlainii":[96],"W.H.":[97],"Brown":[98],"Keinholz":[100],"4.8":[102],"hildebrandtii.":[109],"Highly":[110],"variable":[111],"E":[112],"controlling":[115],"water-use":[117,179],"efficiency":[118,180],"than":[119,198],"the":[120,147,156,160,169,173,182,188,201,255,268,272],"less-variable":[121],"A":[122,232,245,258],".":[124,237],"The":[125,149,212,238],"difference":[126],"between":[127],"air":[128],"and":[129,138,175,234,260],"pinnae":[130],"temperature":[131],"0.3":[134],"1.6":[136],"\u00b0C":[137],"inversely":[140],"related":[141],"mean":[143],"g":[144,235,261],"among":[146],"species.":[148,277],"values":[150,177,256],"within":[151],"geographic":[152],"regions":[153],"representative":[154],"native":[157],"habitats":[158],"highly":[163],"variable.":[164],"For":[165],"example,":[166],"two":[167],"African":[170],"exhibited":[172,222],"highest":[174],"lowest":[176],"survey.":[183],"four":[189],"largest":[190],"with":[192,205,226],"arborescent":[193],"growth":[194,210],"form":[195],"less":[197],"that":[199],"three":[202],"small":[203],"subterranean":[206],"or":[207],"short":[208],"bulbous":[209],"form.":[211],"diurnal":[213],"variation":[214],"leaf":[216],"a":[223,227,253],"two-peaked":[224],"pattern":[225],"distinct":[228],"midday":[229],"depression":[230],"ratio":[239],"dark":[241],"respiration":[242],"maximum":[244],"0.04.":[251],"As":[252],"group,":[254],"these":[264],"cycads":[265],"ranked":[266],"at":[267],"lower":[269],"end":[270],"range":[273],"all":[275],"plants":[276]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}