{"id":"https://openalex.org/W2612239756","doi":"https://doi.org/10.5962/p.185759","title":"The Ecology of an Elfin Forest in Puerto Rico, 8. Studies of Stem Growth and Form and of Leaf Structure","display_name":"The Ecology of an Elfin Forest in Puerto Rico, 8. Studies of Stem Growth and Form and of Leaf Structure","publication_year":1969,"publication_date":"1969-01-01","ids":{"openalex":"https://openalex.org/W2612239756","doi":"https://doi.org/10.5962/p.185759","mag":"2612239756"},"language":"en","primary_location":{"id":"doi:10.5962/p.185759","doi":"https://doi.org/10.5962/p.185759","is_oa":true,"landing_page_url":"https://doi.org/10.5962/p.185759","pdf_url":null,"source":{"id":"https://openalex.org/S2764834171","display_name":"Journal of the Arnold Arboretum","issn_l":"0004-2625","issn":["0004-2625","2474-3283"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4362726132","host_organization_name":"Arnold Arboretum of Harvard University","host_organization_lineage":["https://openalex.org/P4362726132"],"host_organization_lineage_names":["Arnold Arboretum of Harvard University"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Arnold Arboretum","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.5962/p.185759","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018200495","display_name":"Richard A. Howard","orcid":"https://orcid.org/0000-0002-8589-1409","observed_orcids":["https://orcid.org/0000-0002-8589-1409"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Richard A. Howard","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5018200495"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.1187,"has_fulltext":true,"cited_by_count":50,"citation_normalized_percentile":{"value":0.88623364,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"50","issue":"2","first_page":"225","last_page":"267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12618","display_name":"Botany and Plant Ecology Studies","score":0.8490999937057495,"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":0.8490999937057495,"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/T11880","display_name":"Forest ecology and management","score":0.07079999893903732,"subfield":{"id":"https://openalex.org/subfields/1107","display_name":"Forestry"},"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/T10005","display_name":"Ecology and Vegetation Dynamics Studies","score":0.030500000342726707,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/elfin-forest","display_name":"elfin forest","score":0.9660000205039978},{"id":"https://openalex.org/keywords/stem-growth","display_name":"stem growth","score":0.8730000257492065},{"id":"https://openalex.org/keywords/stem-form","display_name":"stem form","score":0.8930000066757202},{"id":"https://openalex.org/keywords/leaf-structure","display_name":"leaf structure","score":0.9890000224113464},{"id":"https://openalex.org/keywords/leaf-water-content","display_name":"leaf water content","score":0.8830000162124634},{"id":"https://openalex.org/keywords/leaf-ph","display_name":"leaf pH","score":0.9919999837875366},{"id":"https://openalex.org/keywords/leaf-area","display_name":"leaf area","score":0.3840000033378601},{"id":"https://openalex.org/keywords/forest-ecology","display_name":"forest ecology","score":0.367000013589859},{"id":"https://openalex.org/keywords/montane-forest","display_name":"montane forest","score":0.5350000262260437},{"id":"https://openalex.org/keywords/tree-species-composition","display_name":"tree species composition","score":0.38100001215934753}],"concepts":[{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.7101449966430664},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.552119255065918},{"id":"https://openalex.org/C128758860","wikidata":"https://www.wikidata.org/wiki/Q757163","display_name":"Woody plant","level":2,"score":0.41120830178260803},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3703305721282959}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5962/p.185759","doi":"https://doi.org/10.5962/p.185759","is_oa":true,"landing_page_url":"https://doi.org/10.5962/p.185759","pdf_url":null,"source":{"id":"https://openalex.org/S2764834171","display_name":"Journal of the Arnold Arboretum","issn_l":"0004-2625","issn":["0004-2625","2474-3283"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4362726132","host_organization_name":"Arnold Arboretum of Harvard University","host_organization_lineage":["https://openalex.org/P4362726132"],"host_organization_lineage_names":["Arnold Arboretum of Harvard University"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Arnold Arboretum","raw_type":"journal-article"},{"id":"pmh:oai:biodiversitylibrary.org:part/185759","doi":null,"is_oa":true,"landing_page_url":"https://www.biodiversitylibrary.org/part/185759","pdf_url":null,"source":{"id":"https://openalex.org/S4306402618","display_name":"Biodiversity Heritage Library (Smithsonian Institution)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I103187081","host_organization_name":"Smithsonian Institution","host_organization_lineage":["https://openalex.org/I103187081"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"doi:10.5962/p.185759","doi":"https://doi.org/10.5962/p.185759","is_oa":true,"landing_page_url":"https://doi.org/10.5962/p.185759","pdf_url":null,"source":{"id":"https://openalex.org/S2764834171","display_name":"Journal of the Arnold Arboretum","issn_l":"0004-2625","issn":["0004-2625","2474-3283"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4362726132","host_organization_name":"Arnold Arboretum of Harvard University","host_organization_lineage":["https://openalex.org/P4362726132"],"host_organization_lineage_names":["Arnold Arboretum of Harvard University"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Arnold Arboretum","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life on land","id":"https://metadata.un.org/sdg/15","score":0.4390000104904175}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332845","display_name":"Arnold Arboretum","ror":"https://ror.org/05xsxgs79"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W610670104","https://openalex.org/W1596337248","https://openalex.org/W2027716518","https://openalex.org/W2031905143","https://openalex.org/W2097214497","https://openalex.org/W2129569695","https://openalex.org/W2276366167","https://openalex.org/W2312368537","https://openalex.org/W2326735140","https://openalex.org/W2497932234","https://openalex.org/W2612230819","https://openalex.org/W2740801590","https://openalex.org/W2797222367","https://openalex.org/W3209395235","https://openalex.org/W4301963466","https://openalex.org/W6600619113","https://openalex.org/W6609599949","https://openalex.org/W6738164729","https://openalex.org/W7045327546"],"related_works":["https://openalex.org/W2796909387","https://openalex.org/W2599084229","https://openalex.org/W2612230819","https://openalex.org/W4300175594","https://openalex.org/W2597228808","https://openalex.org/W344912852","https://openalex.org/W3209395235","https://openalex.org/W4302786691","https://openalex.org/W2202307057","https://openalex.org/W6996097735"],"abstract_inverted_index":{"IN":[0],"THE":[1],"FIRST":[2],"PAPER":[3],"of":[4,18,46,51,66,97,124,153,157,164,169,174],"this":[5],"study":[6,89],"(Howard":[7],"1968),":[8],"the":[9,12,16,54,94,101,166,172],"species":[10],"comprising":[11],"elfin":[13],"forest":[14],"on":[15],"summit":[17],"Pico":[19],"del":[20],"Oeste":[21],"were":[22,53],"listed":[23],"in":[24,33,115,146],"systematic":[25],"erder,":[26],"classified":[27],"by":[28],"growth":[29],"form,":[30],"and":[31,38,48,57,83,126,136,141,149,159,163,178],"indicated":[32],"their":[34,144],"frequency":[35],"through":[36],"transect":[37],"plot":[39],"studies.It":[40],"was":[41,90],"shown":[42],"that":[43,58],"14":[44],"taxa":[45,50,65,72,79,85],"monocotyledons":[47],"40":[49],"dicotyledons":[52],"common":[55],"components,":[56],"these":[59],"could":[60],"be":[61],"distinguished":[62],"as":[63,73,80,86],"25":[64],"woody":[67,81],"trees":[68],"or":[69,75],"shrubs,":[70],"19":[71],"herbs":[74],"herbaceous":[76],"vines,":[77],"4":[78],"climbers,":[82],"6":[84],"epiphytes.*":[87],"This":[88],"possible":[91],"only":[92],"with":[93],"financial":[95],"support":[96],"a":[98],"grant":[99],"from":[100],"National":[102],"Science":[103],"Foundation":[104],"(GB:3975)":[105],"for":[106,143],"which":[107,119],"I":[108],"am":[109],"deeply":[110],"indebted.The":[111],"present":[112],"paper":[113],"offers":[114],"tabular":[116],"form":[117],"data":[118],"represent":[120],"much":[121],"detailed":[122],"work":[123,152],"counting":[125],"measuring.I":[127],"repeat":[128],"my":[129,132],"gratitude":[130],"to":[131],"wife":[133],"Elizabeth":[134],"Howard":[135],"our":[137],"childrem":[138],"Jean,":[139],"Barbara,":[140],"Bruce":[142],"efforts":[145],"collecting,":[147],"counting,":[148],"measuring":[150,165],"leaves.The":[151],"drying":[154],"foliage":[155],"material,":[156],"weighing":[158],"obtaining":[160],"water":[161],"contents,":[162],"pH":[167],"values":[168],"leaves":[170],"involved":[171],"cooperation":[173],"Dr.":[175],"Richard":[176],"Wagner":[177],"his":[179],"wife,":[180],"Anstiss":[181],"Wagner.Mrs.":[182]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2017-05-19T00:00:00"}