{"id":"https://openalex.org/W3116023909","doi":"https://doi.org/10.37284/eajfa.2.2.258","title":"Forest Tree Composition: A Comparative Study of Timber Species in Bayelsa State Nigeria","display_name":"Forest Tree Composition: A Comparative Study of Timber Species in Bayelsa State Nigeria","publication_year":2020,"publication_date":"2020-12-30","ids":{"openalex":"https://openalex.org/W3116023909","doi":"https://doi.org/10.37284/eajfa.2.2.258","mag":"3116023909"},"language":"en","primary_location":{"id":"doi:10.37284/eajfa.2.2.258","doi":"https://doi.org/10.37284/eajfa.2.2.258","is_oa":true,"landing_page_url":"https://doi.org/10.37284/eajfa.2.2.258","pdf_url":"https://journals.eanso.org/index.php/eajfa/article/download/258/218","source":{"id":"https://openalex.org/S4210227681","display_name":"East African Journal of Forestry and Agroforestry","issn_l":"2707-4315","issn":["2707-4315","2707-4323"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"East African Journal of Forestry and Agroforestry","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://journals.eanso.org/index.php/eajfa/article/download/258/218","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055292439","display_name":"Samuel Olatokunbo Ihinmikaiye","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799775433","display_name":"Federal University Otuoke","ror":"https://ror.org/02jsvfh24","country_code":"NG","type":"education","lineage":["https://openalex.org/I2799775433"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Samuel Olatokunbo Ihinmikaiye","raw_affiliation_strings":["Federal University Otuoke"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University Otuoke","institution_ids":["https://openalex.org/I2799775433"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086792346","display_name":"Edache Bernard Ochekwu","orcid":"https://orcid.org/0000-0002-3490-3289","observed_orcids":["https://orcid.org/0000-0002-3490-3289"]},"institutions":[{"id":"https://openalex.org/I100116408","display_name":"University of Port Harcourt","ror":"https://ror.org/005bw2d06","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Bernard Edache Ochekwu","raw_affiliation_strings":["University of Port Harcourt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Port Harcourt","institution_ids":["https://openalex.org/I100116408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086307798","display_name":"Josiah Ikuli","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I147765412","display_name":"Niger Delta University","ror":"https://ror.org/03pwcr767","country_code":"NG","type":"education","lineage":["https://openalex.org/I147765412"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Josiah Muonam Ikuli","raw_affiliation_strings":["Niger Delta University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Niger Delta University","institution_ids":["https://openalex.org/I147765412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026398635","display_name":"Doris Akinjagunla Atinuke","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100116408","display_name":"University of Port Harcourt","ror":"https://ror.org/005bw2d06","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Doris Akinjagunla Atinuke","raw_affiliation_strings":["University of Port Harcourt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Port Harcourt","institution_ids":["https://openalex.org/I100116408"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026929473","display_name":"Abel Zikenal Keresinbofa","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abel Zikenal Keresinbofa","raw_affiliation_strings":["Bayelsa State Ministry of Environment"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bayelsa State Ministry of Environment","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"2","issue":"2","first_page":"64","last_page":"73"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14050","display_name":"Forest Ecology and Conservation","score":0.5073000192642212,"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"}},"topics":[{"id":"https://openalex.org/T14050","display_name":"Forest Ecology and Conservation","score":0.5073000192642212,"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/T11880","display_name":"Forest ecology and management","score":0.23489999771118164,"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/T12630","display_name":"African Botany and Ecology Studies","score":0.18709999322891235,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tree-species-diversity","display_name":"tree species diversity","score":0.7200000286102295},{"id":"https://openalex.org/keywords/wood-species","display_name":"wood species","score":0.8220000267028809},{"id":"https://openalex.org/keywords/bayelsa-state","display_name":"Bayelsa State","score":0.8009999990463257},{"id":"https://openalex.org/keywords/gentianaceae","display_name":"Gentianaceae","score":0.703000009059906},{"id":"https://openalex.org/keywords/meliaceae","display_name":"Meliaceae","score":1.0},{"id":"https://openalex.org/keywords/basal-area","display_name":"basal area","score":0.8100000023841858},{"id":"https://openalex.org/keywords/diameter-at-breast-height","display_name":"diameter at breast height","score":0.9269999861717224},{"id":"https://openalex.org/keywords/rare-trees","display_name":"rare tree species","score":0.9079999923706055},{"id":"https://openalex.org/keywords/sacoglottis-gabonensis","display_name":"Sacoglottis gabonensis","score":0.9769999980926514},{"id":"https://openalex.org/keywords/milicia-excelsa","display_name":"Milicia excelsa","score":1.0},{"id":"https://openalex.org/keywords/triplochiton-scleroxylon","display_name":"Triplochiton scleroxylon","score":0.9990000128746033},{"id":"https://openalex.org/keywords/timber-supply","display_name":"timber supply","score":0.5220000147819519},{"id":"https://openalex.org/keywords/forest-management","display_name":"forest management","score":0.6769999861717224}],"concepts":[{"id":"https://openalex.org/C91354502","wikidata":"https://www.wikidata.org/wiki/Q830384","display_name":"Basal area","level":2,"score":0.7144804000854492},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.6215651035308838},{"id":"https://openalex.org/C58330081","wikidata":"https://www.wikidata.org/wiki/Q973582","display_name":"Diameter at breast height","level":2,"score":0.6113094687461853},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.6108808517456055},{"id":"https://openalex.org/C2780944931","wikidata":"https://www.wikidata.org/wiki/Q2324919","display_name":"State forest","level":3,"score":0.5922120213508606},{"id":"https://openalex.org/C28631016","wikidata":"https://www.wikidata.org/wiki/Q372561","display_name":"Forest management","level":2,"score":0.42181625962257385}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.37284/eajfa.2.2.258","doi":"https://doi.org/10.37284/eajfa.2.2.258","is_oa":true,"landing_page_url":"https://doi.org/10.37284/eajfa.2.2.258","pdf_url":"https://journals.eanso.org/index.php/eajfa/article/download/258/218","source":{"id":"https://openalex.org/S4210227681","display_name":"East African Journal of Forestry and Agroforestry","issn_l":"2707-4315","issn":["2707-4315","2707-4323"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"East African Journal of Forestry and Agroforestry","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.37284/eajfa.2.2.258","doi":"https://doi.org/10.37284/eajfa.2.2.258","is_oa":true,"landing_page_url":"https://doi.org/10.37284/eajfa.2.2.258","pdf_url":"https://journals.eanso.org/index.php/eajfa/article/download/258/218","source":{"id":"https://openalex.org/S4210227681","display_name":"East African Journal of Forestry and Agroforestry","issn_l":"2707-4315","issn":["2707-4315","2707-4323"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"East African Journal of Forestry and Agroforestry","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life on land","score":0.8125}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3116023909.pdf","grobid_xml":"https://content.openalex.org/works/W3116023909.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W304106333","https://openalex.org/W1538128810","https://openalex.org/W1958183334","https://openalex.org/W1965431014","https://openalex.org/W2003485756","https://openalex.org/W2025386449","https://openalex.org/W2070827895","https://openalex.org/W2075082570","https://openalex.org/W2082939229","https://openalex.org/W2104549306","https://openalex.org/W2146391034","https://openalex.org/W2153697820","https://openalex.org/W2159734891","https://openalex.org/W2207346232","https://openalex.org/W2323480849","https://openalex.org/W2762507470","https://openalex.org/W2900649100","https://openalex.org/W3029007254","https://openalex.org/W3161609723","https://openalex.org/W4292734943","https://openalex.org/W4302781015","https://openalex.org/W6654754758","https://openalex.org/W6674113249","https://openalex.org/W7053032104"],"related_works":["https://openalex.org/W2900649100","https://openalex.org/W7213761362","https://openalex.org/W2997401448","https://openalex.org/W4285178444","https://openalex.org/W2066382125","https://openalex.org/W3203427702","https://openalex.org/W3215127199","https://openalex.org/W4389074514","https://openalex.org/W3197381462","https://openalex.org/W2181806921"],"abstract_inverted_index":{"Measuring":[0],"tree":[1,68,195],"species":[2,12,69,131,184,196,222],"diversity":[3,142],"is":[4],"critical":[5],"for":[6],"forest":[7],"management,":[8],"particularly":[9],"where":[10],"timber":[11,67,183,221],"suffer":[13],"undue":[14],"anthropogenic":[15],"pressure.":[16],"This":[17],"study":[18],"was":[19,29],"carried":[20],"out":[21],"in":[22,36,93,100,107,114,132,162,185],"Bayelsa":[23,43,46,50],"State,":[24],"Nigeria.":[25],"A":[26],"sample":[27,57,81,95,156],"plot":[28,82,96],"systematically":[30],"chosen":[31],"from":[32,146],"randomly":[33],"selected":[34],"communities":[35],"each":[37,80],"of":[38,53,130,154,182,220],"the":[39,54,94,127,133,140,151,155,180,186],"three":[40],"senatorial":[41,148],"districts":[42],"West":[44],"(BW),":[45],"East":[47],"(BE)":[48],"and":[49,65,86,109,120,137,139,179,203,211],"Central":[51],"(BC)":[52],"State.":[55],"Each":[56],"plots":[58,134,157,187],"measured":[59],"25":[60,63],"m":[61,64],"x":[62],"all":[66],"that":[70,214],"were":[71,83,91,135,144,170,206,223],"at":[72,97,103,111,164],"least":[73],"six":[74],"feet":[75],"above":[76],"ground":[77],"level":[78],"within":[79],"identified,":[84],"counted":[85],"measured.":[87],"Fifty":[88],"individual":[89],"timbers":[90],"encountered":[92],"Ogobiri":[98],"community":[99,106,113],"BW,":[101],"fifty-two":[102],"Kolo":[104],"1":[105],"BE":[108,147],"fifty-six":[110],"Gbarain":[112],"BC":[115],"belonged":[116],"to":[117],"18,":[118],"16":[119],"14":[121],"different":[122],"families":[123],"respectively.":[124],"Families":[125],"with":[126,159],"largest":[128],"number":[129],"Gentianaceae":[136],"Meliaceae,":[138],"highest":[141],"indices":[143],"recorded":[145],"district.":[149],"Generally,":[150],"basal":[152],"area":[153],"increases":[158],"an":[160],"increase":[161],"diameter":[163],"breast":[165],"height.":[166],"The":[167],"forested":[168],"zones":[169],"on":[171],"flat":[172],"terrain":[173],"characterized":[174],"by":[175],"seasonal":[176],"flood":[177],"inundation,":[178],"similarities":[181],"occurred":[188],"as":[189,208],"(BW-BC)>":[190],"(BW-BE)>":[191],"(BC-BE).":[192],"Also,":[193],"four":[194],"Coelocaryon":[197],"preussii,":[198],"Sacoglottis":[199],"gabonensis,":[200],"Milicia":[201],"excelsa":[202],"Triplochiton":[204],"scleroxylon":[205],"identified":[207],"rare":[209],"species,":[210],"management":[212],"options":[213],"would":[215],"ensure":[216],"ad":[217],"infinitum":[218],"supply":[219],"proposed.":[224]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2021-01-05T00:00:00"}