{"doi":"10.64898/2026.02.02.703227","title":"A national baseline for methane sink habitats and methanotroph diversity","abstract":"<jats:title>Summary</jats:title>\n                <jats:p>\n                  Methane emissions account for nearly a third of the Earth’s effective radiative forcing, with methanotrophs playing a critical role in mitigating emissions by oxidising methane in diverse environments\n                  <jats:sup>1</jats:sup>\n                  . Despite their ecological importance, methanotrophic diversity and environmental distribution remain incompletely characterised due to cultivation challenges, incomplete or low-quality metagenome-assembled genomes, and limited taxonomic resolution in marker gene surveys. Here, we present a national study of the biogeography of novel and known methanotrophs across Denmark’s major natural, urban and agricultural habitats, using genome-resolved classification of 10,683 metagenomes\n                  <jats:sup>2</jats:sup>\n                  and 102 new methanotrophic species\n                  <jats:sup>3</jats:sup>\n                  . By linking metabolic potential to habitat-specific distributions, we reveal uncharacterised methanotrophs as dominant in natural ecosystems. These findings provide a comprehensive baseline of methanotroph diversity, reveal clear contrasts between natural and disturbed habitats, and highlight candidate species and habitats for future methane-mitigation strategies.\n                </jats:p>","journal":"bioRxiv (Cold Spring Harbor Laboratory)","year":2026,"id":10255,"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":0.0621,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2026-02-02","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":86263,"name":"M Sereika","orcid":"0000-0001-7568-1080","position":1,"is_corresponding":false},{"id":86264,"name":"TBNJ Jensen","orcid":"0000-0001-5815-5468","position":2,"is_corresponding":false},{"id":86265,"name":"Francesco Delogu","orcid":"0000-0002-7211-8011","position":3,"is_corresponding":false},{"id":86266,"name":"Tilman Schmider","orcid":"0009-0002-9212-6892","position":4,"is_corresponding":false},{"id":26187,"name":"C. Jiang","orcid":"0009-0005-0253-5716","position":5,"is_corresponding":false},{"id":86267,"name":"Rasmus Hansen Kirkegaard","orcid":"0000-0003-3349-3617","position":6,"is_corresponding":false},{"id":86268,"name":"Alexander Tøsdal Tveit","orcid":"0000-0002-4163-3416","position":7,"is_corresponding":false},{"id":86269,"name":"PH Nielsen","orcid":"0000-0002-6402-1877","position":8,"is_corresponding":false},{"id":86270,"name":"M Albertsen","orcid":"0000-0002-6151-190X","position":9,"is_corresponding":false},{"id":86271,"name":"Caitlin M. Singleton","orcid":"0000-0001-9688-8208","position":10,"is_corresponding":false},{"id":86272,"name":"Kalinka Sand Knudsen","orcid":null,"position":11,"is_corresponding":false},{"id":86273,"name":"Mantas Sereika","orcid":null,"position":12,"is_corresponding":false},{"id":86274,"name":"Thomas BN Jensen","orcid":null,"position":13,"is_corresponding":false},{"id":86275,"name":"Chenjing Jiang","orcid":null,"position":14,"is_corresponding":false},{"id":86276,"name":"Peter E. Nielsen","orcid":null,"position":15,"is_corresponding":false},{"id":86277,"name":"Albertsen Mads","orcid":null,"position":16,"is_corresponding":false},{"id":86262,"name":"KS Knudsen","orcid":"0009-0004-7054-2355","position":0,"is_corresponding":true}],"reference_count":113,"raw_metadata":null,"created_at":"2026-03-01T18:20:47.508186Z","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":[]}