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Indigenous knowledge about climate change that makes adaptability necessary by coping strategies leads to the sustainability of nomadic livelihoods. This paper proposed a new adaptability approach, an association coping strategy (ACS), which is established based on the association rulesʼ recommendations. The adaptability was empirically analyzed using 12 coping strategies used by Kashkooli nomads in Sepidan plain, Fars province, Iran. Required data were gathered both in the form of time series from November 1988 to February 2020 and cross section during June–July 2019. Household perceptions of climatic and environmental variables, supported by meteorological data, revealed that climate change was negatively impacting the Kashkooli nomadic livelihood in Sepidan plain. The findings also indicated that taking simultaneous coping strategies resulted in selling livestock surplus, saving water consumption, livestock insurance, rangeland regeneration schemes, and immigration to more suitable rangelands. Therefore, Kashkooli nomadic livelihood survived climate changes using ACSs. The association rules were useful for recommending anticipatory coping strategies that were adopted based on indigenous knowledge about climate change by nomads to establish appropriate adaptability. [ABSTRACT FROM AUTHOR]