{"id":"https://openalex.org/W1978504538","doi":"https://doi.org/10.1648/0273-8570-74.4.341","title":"Demographic characteristics of a Grasshopper Sparrow population in a highly fragmented landscape of western New York state","display_name":"Demographic characteristics of a Grasshopper Sparrow population in a highly fragmented landscape of western New York state","publication_year":2003,"publication_date":"2003-10-01","ids":{"openalex":"https://openalex.org/W1978504538","doi":"https://doi.org/10.1648/0273-8570-74.4.341","mag":"1978504538"},"language":"en","primary_location":{"id":"doi:10.1648/0273-8570-74.4.341","doi":"https://doi.org/10.1648/0273-8570-74.4.341","is_oa":false,"landing_page_url":"https://doi.org/10.1648/0273-8570-74.4.341","pdf_url":null,"source":{"id":"https://openalex.org/S197402693","display_name":"Journal of Field Ornithology","issn_l":"0273-8570","issn":["0273-8570","1557-9263"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310316699","host_organization_name":"Association of Field Ornithologists","host_organization_lineage":["https://openalex.org/P4310316699"],"host_organization_lineage_names":["Association of Field Ornithologists"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Field Ornithology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"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/A5025019117","display_name":"Karla L. Balent","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4864440","display_name":"SUNY Brockport","ror":"https://ror.org/0306aeb62","country_code":"US","type":"education","lineage":["https://openalex.org/I4864440"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Karla L. Balent","raw_affiliation_strings":["Department of Environmental Sciences and Biology, SUNY College at Brockport, Brockport, New York 144"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Environmental Sciences and Biology, SUNY College at Brockport, Brockport, New York 144","institution_ids":["https://openalex.org/I4864440"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086843164","display_name":"Christopher J. Norment","orcid":"https://orcid.org/0000-0002-5080-0271","observed_orcids":["https://orcid.org/0000-0002-5080-0271"]},"institutions":[{"id":"https://openalex.org/I4864440","display_name":"SUNY Brockport","ror":"https://ror.org/0306aeb62","country_code":"US","type":"education","lineage":["https://openalex.org/I4864440"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christopher J. Norment","raw_affiliation_strings":["Department of Environmental Sciences and Biology, SUNY College at Brockport, Brockport, New York 144"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Environmental Sciences and Biology, SUNY College at Brockport, Brockport, New York 144","institution_ids":["https://openalex.org/I4864440"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5025019117"],"corresponding_institution_ids":["https://openalex.org/I4864440"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.8607,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.69879896,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"74","issue":"4","first_page":"341","last_page":"348"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10089","display_name":"Avian ecology and behavior","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10089","display_name":"Avian ecology and behavior","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T11913","display_name":"Animal Ecology and Behavior Studies","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10199","display_name":"Wildlife Ecology and Conservation","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/grasshopper-sparrow","display_name":"Grasshopper Sparrow","score":0.9980000257492065},{"id":"https://openalex.org/keywords/ammodramus-savannarum","display_name":"Ammodramus savannarum","score":1.0},{"id":"https://openalex.org/keywords/habitat-fragmentation","display_name":"habitat fragmentation","score":0.9100000262260437},{"id":"https://openalex.org/keywords/grassland-birds","display_name":"grassland birds","score":0.7269999980926514},{"id":"https://openalex.org/keywords/breeding-biology","display_name":"breeding biology","score":0.8880000114440918},{"id":"https://openalex.org/keywords/site-fidelity","display_name":"site fidelity","score":0.9729999899864197},{"id":"https://openalex.org/keywords/dispersal","display_name":"dispersal","score":0.9589999914169312},{"id":"https://openalex.org/keywords/population-dynamics","display_name":"population dynamics","score":0.5630000233650208},{"id":"https://openalex.org/keywords/finite-rate-of-increase","display_name":"finite rate of increase","score":0.8149999976158142},{"id":"https://openalex.org/keywords/population-sinks","display_name":"sink populations","score":0.5849999785423279},{"id":"https://openalex.org/keywords/habitat-patch-size","display_name":"habitat patch size","score":0.8230000138282776},{"id":"https://openalex.org/keywords/nest-success","display_name":"nest success","score":0.7459999918937683},{"id":"https://openalex.org/keywords/adult-return-rates","display_name":"adult return rates","score":0.7760000228881836}],"concepts":[{"id":"https://openalex.org/C2778825724","wikidata":"https://www.wikidata.org/wiki/Q243984","display_name":"Sparrow","level":2,"score":0.8782692551612854},{"id":"https://openalex.org/C2778575915","wikidata":"https://www.wikidata.org/wiki/Q18398431","display_name":"Grasshopper","level":2,"score":0.7471982836723328},{"id":"https://openalex.org/C2775835988","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland","level":2,"score":0.7315096855163574},{"id":"https://openalex.org/C47559259","wikidata":"https://www.wikidata.org/wiki/Q778143","display_name":"Biological dispersal","level":3,"score":0.7261865139007568},{"id":"https://openalex.org/C185933670","wikidata":"https://www.wikidata.org/wiki/Q52105","display_name":"Habitat","level":2,"score":0.6302385330200195},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5880463719367981},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5674062371253967},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.4939742684364319},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.43261927366256714},{"id":"https://openalex.org/C2779860289","wikidata":"https://www.wikidata.org/wiki/Q284137","display_name":"Population decline","level":3,"score":0.42309021949768066},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.41656023263931274},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.20505499839782715},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1648/0273-8570-74.4.341","doi":"https://doi.org/10.1648/0273-8570-74.4.341","is_oa":false,"landing_page_url":"https://doi.org/10.1648/0273-8570-74.4.341","pdf_url":null,"source":{"id":"https://openalex.org/S197402693","display_name":"Journal of Field Ornithology","issn_l":"0273-8570","issn":["0273-8570","1557-9263"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310316699","host_organization_name":"Association of Field Ornithologists","host_organization_lineage":["https://openalex.org/P4310316699"],"host_organization_lineage_names":["Association of Field Ornithologists"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Field Ornithology","raw_type":"journal-article"},{"id":"pmh:10.1648/0273-8570-74.4.341","doi":null,"is_oa":false,"landing_page_url":"http://www.bioone.org/doi/10.1648/0273-8570-74.4.341","pdf_url":null,"source":{"id":"https://openalex.org/S4306402358","display_name":"BioOne Complete (BioOne)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210111627","host_organization_name":"BioOne","host_organization_lineage":["https://openalex.org/I4210111627"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":1.0,"display_name":"Life on land"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320308380","display_name":"Yale University","ror":"https://ror.org/03v76x132"},{"id":"https://openalex.org/F4320309644","display_name":"State University of New York","ror":"https://ror.org/01q1z8k08"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W55139997","https://openalex.org/W62423020","https://openalex.org/W115242249","https://openalex.org/W162971794","https://openalex.org/W254743607","https://openalex.org/W618222547","https://openalex.org/W1976644404","https://openalex.org/W1978177900","https://openalex.org/W1983815392","https://openalex.org/W2002243680","https://openalex.org/W2049094798","https://openalex.org/W2063349835","https://openalex.org/W2086646204","https://openalex.org/W2088192119","https://openalex.org/W2094835075","https://openalex.org/W2095213247","https://openalex.org/W2129638264","https://openalex.org/W2170672592","https://openalex.org/W2173860816","https://openalex.org/W2179220954","https://openalex.org/W2264676891","https://openalex.org/W2312898377"],"related_works":["https://openalex.org/W2790510718","https://openalex.org/W7046683648","https://openalex.org/W2767713591","https://openalex.org/W40254618","https://openalex.org/W1990567691","https://openalex.org/W7139500692","https://openalex.org/W2126388872","https://openalex.org/W2249136338","https://openalex.org/W2175986260","https://openalex.org/W2292715915"],"abstract_inverted_index":{"We":[0],"studied":[1],"the":[2,37,43,111,150,166,189,205],"breeding":[3],"biology,":[4],"site":[5],"fidelity,":[6],"and":[7,49,60,92,121,137,188,192],"dispersal":[8],"of":[9,95,109,114,195,213],"Grasshopper":[10,34,167],"Sparrows":[11,35],"(Ammodramus":[12],"savannarum)":[13],"from":[14],"1996":[15],"to":[16,101,159,172],"2000":[17],"in":[18,22,42,74,104,141,144,154,204],"a":[19],"fragmented":[20,190],"landscape":[21],"western":[23],"New":[24],"York":[25],"State.":[26],"Ten":[27],"fields":[28,55,73,105,120],"(1.8\u201313.2":[29],"ha)":[30],"contained":[31],"territorial":[32,40],"male":[33],"during":[36],"study;":[38],"total":[39],"males":[41],"study":[44,156,180],"area":[45,157],"varied":[46],"between":[47,64],"31":[48],"19":[50],"birds.":[51],"In":[52],"1996,":[53],"eight":[54],"were":[56,70,116,129,139],"occupied;":[57],"five":[58],"extinctions":[59,69],"two":[61],"colonizations":[62,79],"occurred":[63],"1997\u20132000.":[65],"Fields":[66],"that":[67,134,165,201],"suffered":[68],"smaller":[71],"than":[72,143],"which":[75],"subpopulations":[76],"persisted":[77],"or":[78],"occurred.":[80],"Adult":[81],"return":[82,135],"rates":[83,136],"(0.33":[84],"vs.":[85,90,98],"0.16),":[86],"nest":[87],"success":[88],"(0.59":[89],"0.25)":[91],"average":[93],"number":[94],"fledglings/female/year":[96],"(2.3":[97],"1.3)":[99],"tended":[100],"be":[102],"higher":[103],"\u22658":[106],"ha.":[107],"Estimates":[108],"\u03bb,":[110],"finite":[112],"rate":[113],"increase,":[115],"0.23":[117],"for":[118,123,178],"small":[119,145],"0.46":[122],"large":[124,142,211],"fields.":[125],"Although":[126],"sample":[127],"sizes":[128],"small,":[130],"our":[131,155,179],"data":[132],"suggest":[133,200],"productivity":[138],"greater":[140],"habitat":[146,152],"patches.":[147],"However,":[148],"even":[149],"larger":[151],"patches":[153,212],"appeared":[158],"function":[160],"as":[161],"population":[162,169,181],"sinks,":[163],"suggesting":[164],"Sparrow":[168],"is":[170],"unlikely":[171],"persist":[173],"without":[174],"immigration.":[175],"Survival":[176],"prospects":[177],"are":[182],"poor,":[183],"given":[184],"its":[185],"demographic":[186],"characteristics":[187],"nature":[191],"continuing":[193],"loss":[194],"grassland":[196,215],"habitat.":[197,216],"Our":[198],"results":[199],"conservation":[202],"efforts":[203],"Northeast":[206],"should":[207],"focus":[208],"on":[209],"protecting":[210],"continuous":[214]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2016-06-24T00:00:00"}