Azerbaijan has the largest agricultural basin in the region. About 54.9 percent of Azerbaijan is agricultural land. At the beginning of 2007 there were 4,755,100 hectares of utilized agricultural area. In the same year the total wood resources counted 136 million m3. Azerbaijan's agricultural scientific research institutes are focused on meadows and pastures, horticulture and subtropical crops, green vegetables, viticulture and wine-making, cotton growing and medicinal plants. In some areas it is profitable to grow grain, potatoes, sugar beets, cotton and tobacco. Livestock, dairy products, and wine and spirits are also important farm products. The Caspian fishing industry concentrates on the dwindling stocks of sturgeon and beluga. In 2002 the Azerbaijani merchant marine had 54 ships.