{"doi":"10.14491/jbba.ar083","title":"Breeding Research on the Little Tern <i>Sterna albiforns</i> and the Common Tern <i>Sterna hirundo</i> in southern Gunma, central Japan","abstract":null,"journal":"The Bulletin of the Japanese Bird Banding Association","year":1994,"id":656543,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1713845,"name":"Norio FUKAI","orcid":null,"position":1,"is_corresponding":false},{"id":1713843,"name":"Yuichi KIMURA","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Breeding Research on the Little Tern <i>Sterna albiforns</i> and the Common Tern <i>Sterna hirundo</i> in southern Gunma, central Japan","abstract":"1993年と1994年に，利根川中流域でコアジサシの繁殖状況を調査した結果，繁殖期に継続的に観察された個体は1993年，1994年ともに約100羽であった。コロニーの規模は成鳥10数羽のものから最大でも100羽とすべて小規模なものであった。営巣が確認された場所は1例を除いてすべて中州であった。環境要因，人為的要因による影響を受け易く，コロニーが小規模であったため繁殖効率が低いものと推定された。標識調査では1993年，1994年にそれぞれ32羽，18羽の雛に足輪とカラーリングを装着した。また1993年には佐波郡玉村町五料利根川のコアジサシのコロニー内において，国内初のアジサシの造巣と抱卵行動が記録された。","is_dataset_classified":null,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"19162232","pmcid":null,"openalex_id":"https://openalex.org/W4241416756","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.35983426,"influential_citations":0,"citation_trend":[],"oa_status":"bronze","license":null,"oa_locations":[{"url":"https://www.jstage.jst.go.jp/article/jbba/9/1/9_AR083/_pdf","host_type":"journal"},{"url":"https://www.jstage.jst.go.jp/article/jbba/9/1/9_AR083/_pdf","host_type":"publisher"},{"url":"https://doi.org/10.14491/jbba.ar083","host_type":"journal"}],"fields_of_study":["Avian ecology and behavior","Animal Vocal Communication and Behavior"],"mesh_terms":[],"keywords":["Tern","Sterna","Hirundo","Biology","Geography","Zoology"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Life below water"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-11T21:16:17.036851Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}