{"id":"https://openalex.org/W2248205437","doi":null,"title":"The effect of field size on the number of bumble bees.","display_name":"The effect of field size on the number of bumble bees.","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2248205437","mag":"2248205437"},"language":"en","primary_location":{"id":"mag:2248205437","doi":null,"is_oa":true,"landing_page_url":"https://agronomy.emu.ee/vol08Spec2/p08s209.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S2764690080","display_name":"Agronomy Research","issn_l":"1406-894X","issn":["1406-894X","2228-4907"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4366064898","host_organization_name":"Estonian Agricultural University","host_organization_lineage":["https://openalex.org/P4366064898"],"host_organization_lineage_names":["Estonian Agricultural University"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Agronomy Research","raw_type":null},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://agronomy.emu.ee/vol08Spec2/p08s209.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018887350","display_name":"Riin Muljar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19409027","display_name":"Estonian University of Life Sciences","ror":"https://ror.org/00s67c790","country_code":"EE","type":"education","lineage":["https://openalex.org/I19409027"]}],"countries":["EE"],"is_corresponding":false,"raw_author_name":"Riin Muljar","raw_affiliation_strings":["Estonian University of Life Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Estonian University of Life Sciences","institution_ids":["https://openalex.org/I19409027"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008419509","display_name":"Eneli Viik","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eneli Viik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009427362","display_name":"Riho Marja","orcid":"https://orcid.org/0000-0002-9390-6201","observed_orcids":["https://orcid.org/0000-0002-9390-6201"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Riho Marja","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-9390-6201","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003948064","display_name":"E. \u0160vilponis","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E. \u0160vilponis","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028541926","display_name":"Katrin J\u00f5gar","orcid":"https://orcid.org/0000-0002-2330-1995","observed_orcids":["https://orcid.org/0000-0002-2330-1995"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Katrin J\u00f5gar","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-2330-1995","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017033089","display_name":"Reet Karise","orcid":"https://orcid.org/0000-0002-6921-0167","observed_orcids":["https://orcid.org/0000-0002-6921-0167"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Reet Karise","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-6921-0167","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5035427774","display_name":"Marika M\u00e4nd","orcid":"https://orcid.org/0000-0003-4898-5817","observed_orcids":["https://orcid.org/0000-0003-4898-5817"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Marika M\u00e4nd","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4898-5817","affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":300,"currency":"EUR","value_usd":323},"apc_paid":{"value":300,"currency":"EUR","value_usd":323},"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.19597017,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"8","issue":null,"first_page":"357","last_page":"360"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10487","display_name":"Plant and animal studies","score":0.9937000274658203,"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"}},"topics":[{"id":"https://openalex.org/T10487","display_name":"Plant and animal studies","score":0.9937000274658203,"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/T10702","display_name":"Insect and Arachnid Ecology and Behavior","score":0.0017000000225380063,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11641","display_name":"Insect and Pesticide Research","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect 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"}}],"keywords":[{"id":"https://openalex.org/keywords/bumblebees","display_name":"bumblebees","score":1.0},{"id":"https://openalex.org/keywords/field-size","display_name":"field size","score":0.9760000109672546},{"id":"https://openalex.org/keywords/pollinator-abundance","display_name":"pollinator abundance","score":0.7419999837875366},{"id":"https://openalex.org/keywords/agricultural-intensification","display_name":"agricultural intensification","score":0.8730000257492065},{"id":"https://openalex.org/keywords/pollinator-decline","display_name":"pollinator decline","score":0.6949999928474426},{"id":"https://openalex.org/keywords/estonia","display_name":"Estonia","score":0.3659999966621399}],"concepts":[{"id":"https://openalex.org/C102789151","wikidata":"https://www.wikidata.org/wiki/Q1141466","display_name":"Pollinator","level":4,"score":0.8162994384765625},{"id":"https://openalex.org/C77077793","wikidata":"https://www.wikidata.org/wiki/Q336019","display_name":"Abundance (ecology)","level":2,"score":0.6476021409034729},{"id":"https://openalex.org/C69661492","wikidata":"https://www.wikidata.org/wiki/Q1447141","display_name":"Transect","level":2,"score":0.5745255351066589},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5377882122993469},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4353329539299011},{"id":"https://openalex.org/C2777096740","wikidata":"https://www.wikidata.org/wiki/Q102857","display_name":"Honey Bees","level":2,"score":0.4273834228515625},{"id":"https://openalex.org/C168197293","wikidata":"https://www.wikidata.org/wiki/Q134624","display_name":"Pollination","level":3,"score":0.4071239233016968},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3263484239578247},{"id":"https://openalex.org/C2780618852","wikidata":"https://www.wikidata.org/wiki/Q79932","display_name":"Pollen","level":2,"score":0.1481029987335205}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2248205437","doi":null,"is_oa":true,"landing_page_url":"https://agronomy.emu.ee/vol08Spec2/p08s209.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S2764690080","display_name":"Agronomy Research","issn_l":"1406-894X","issn":["1406-894X","2228-4907"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4366064898","host_organization_name":"Estonian Agricultural University","host_organization_lineage":["https://openalex.org/P4366064898"],"host_organization_lineage_names":["Estonian Agricultural University"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Agronomy Research","raw_type":null}],"best_oa_location":{"id":"mag:2248205437","doi":null,"is_oa":true,"landing_page_url":"https://agronomy.emu.ee/vol08Spec2/p08s209.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S2764690080","display_name":"Agronomy Research","issn_l":"1406-894X","issn":["1406-894X","2228-4907"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4366064898","host_organization_name":"Estonian Agricultural University","host_organization_lineage":["https://openalex.org/P4366064898"],"host_organization_lineage_names":["Estonian Agricultural University"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Agronomy Research","raw_type":null},"sustainable_development_goals":[{"score":1.0,"display_name":"Life on land","id":"https://metadata.un.org/sdg/15"},{"score":0.8409000039100647,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W13683748","https://openalex.org/W1597875207","https://openalex.org/W1984447759","https://openalex.org/W1985367741","https://openalex.org/W1991074141","https://openalex.org/W2010804827","https://openalex.org/W2043877034","https://openalex.org/W2089788640","https://openalex.org/W2092060456","https://openalex.org/W2100945295","https://openalex.org/W2117387582","https://openalex.org/W2144571599","https://openalex.org/W2170372583","https://openalex.org/W2314038727","https://openalex.org/W2339480651","https://openalex.org/W2978239163","https://openalex.org/W4238000134"],"related_works":["https://openalex.org/W1984447759","https://openalex.org/W4405282894","https://openalex.org/W2707205041","https://openalex.org/W7098183187","https://openalex.org/W2528253722","https://openalex.org/W1987606387","https://openalex.org/W2095811884","https://openalex.org/W6948461048","https://openalex.org/W4212839380","https://openalex.org/W6987542987"],"abstract_inverted_index":{"Bumble":[0,65],"bees":[1,48,66,86,114],"are":[2],"important":[3],"pollinators":[4],"in":[5,49,59],"agricultu":[6],"ral":[7],"and":[8,26,81,100],"natural":[9],"ecosystems.":[10],"In":[11],"recent":[12],"decades":[13],"their":[14],"numbers":[15],"have":[16],"been":[17],"declining":[18],"du":[19],"e":[20],"to":[21,35],"the":[22,37,40,44,63,70,96,101,107,111],"intensification":[23],"of":[24,28,39,46,62,73,84,103,113],"agriculture":[25],"establishment":[27],"large":[29],"homogenous":[30],"fields.":[31],"Our":[32],"goal":[33],"was":[34,53,88],"study":[36],"effect":[38],"field":[41,71,79,97,108],"size":[42,80],"on":[43],"abundance":[45,102],"bumble":[47,85,104],"Estonia.":[50],"The":[51,76],"data":[52],"collected":[54],"from":[55],"66":[56],"farms":[57],"located":[58],"different":[60],"regions":[61],"country.":[64],"were":[67],"counted":[68],"along":[69],"transect":[72],"each":[74],"farm.":[75],"relationship":[77],"between":[78,95],"numbe":[82],"r":[83],"present":[87],"calculated.":[89],"We":[90],"found":[91],"a":[92],"negative":[93],"correlation":[94],"s":[98],"ize":[99],"bees:":[105],"as":[106],"area":[109],"increased":[110],"number":[112],"decreas":[115],"ed.":[116]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2017,"cited_by_count":3}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}
