Original ResearchPublished 20 March 2026Enteric methane emission factors for sheep in Mongolian extensive grazing systems: a Tier 2 approachAltantsetseg Lkhamaachin · Lkhagvatseren Sukhbaatar · Nyamsuren Nyam-Osor · Otgondemberel Galaaraidii · Yanfen Cheng · Togtokhbayar Norovsambuu · Choikhand Janchivlamdan · Munkhtuya Amarsanaa · Baasanjalbuu Bayaraa · Jigjidpurev Sukhbaatar · Ming-Zhi Zhang · Otgonpurev SukhbaatarPastoralism: Research, Policy and Practicedoi 10.3389/past.2026.15693