The population grows considerably during the summer from tourists and seasonal workers. Tropical dry forests are characteristic of areas in the tropics affected by seasonal drought. Snowmelt is an important source of seasonal fresh water. Agriculture includes both seasonal and perennial plants. Main dishes were prepared based on the seasonal foods. Specific destinations vary due to changing customer's needs and seasonal trends. Reno is home to a variety of recreation activities including both seasonal and year-round. Irrigation farming is very important for crop cultivation in regions of seasonal or low rainfall. Food insecurity can be transitory, seasonal, or chronic. Agriculture often relies on snow as a source of seasonal moisture. Studies of seasonal variations have produced inconsistent results. Lebaran also creates special occasions for shopping that often generate seasonal retail business. Survival was dependent on the exploitation of seasonal variation. For seasonal allergies the benefit is small. Several places were popular for seasonal sea bathing.