Dzud is the Mongolian term for a winterweather disaster in which deep snow, severe cold, or otherconditions render forage unavailable or inaccessible andlead to high livestock mortality. Dzud is a regularoccurrence in Mongolia, and plays an important role inregulating livestock populations. However, dzud, especiallywhen combined with other environmental or socio-economicstresses and changes, can have a significant impact onhousehold well-being as well as local and nationaleconomies. This study aims to fill this gap in knowledge byconducting in-depth case studies of four communitiesresponses to the 2009-2010 dzud to document bothhousehold-and community-level impacts and responses. Thecase studies use a mixed-methods approach employingqualitative and quantitative data collection and analysistechniques including interviews, focus groups, householdquestionnaires, photovoice and document review, and werecarried out in two soums (districts) located in theforest-steppe zone of Arkhangai Aimag (province), Ikhtamirand Undur Ulaan, and two soums in the Gobi desert-steppezone of Bayankhongor Aimag, Jinst and Bayantsagaan. Thespecific objectives of this study are to assess herderhousehold and community vulnerability, adaptive capacity,and medium-term recovery and resilience from the dzud of 2010.