Mersin is one of the most developed provinces of Turkey in many fields. To have fertile lands, to be advanced in terms of industry, to be rich in terms of natural and extractive resources, the activity of the Port of Mersin and the existence of Mersin Oil Refinery are reason for this development.
40% of its income is achieved from industry, 30% of it is achieved from agriculture, and 10% of it is achieved from trade sector.
The majority of population works in agriculture. Agriculture is made in the 25% of land.
Agricultural products which are grown in Mersin are so various. Wheat, barley, rye, rice, chickpeas, lentil are mainly obtained agricultural products. Cotton is grown at most among industrial products. In addition to this, peanuts and sesame are grown. All kinds of vegetables are planted in Mersin Province. Tomatoes, peppers, eggplant, beans, squash, beans, okra, cucumbers, spinach, cabbage, lettuce, onion and cauliflower are main vegetables that cultivated. Greenhouse is also very advanced; the most greenhouse area exists in Mersin after Antalya.
Citrus fruits grow abundantly. Raisins, carob, olive, pomegranate, banana, figs, prunes, almonds, and apricots are other cultivated fruits. Mersin is among one of the Turkey's cereals, fruits and vegetables warehouses. First vegetables and fruits of season go to four corner of Turkey from Mersin. Mersin is not only warehouse of cotton, but also warehouse of out-of-season fruits and vegetables.
Animal husbandry is done in the mountainous region and high plateaus. Although nearly 15% of land is meadow and pasture, assets of animal are not many. Beekeeping has developed.
Although there are wide beaches on the Mediterranean, fish production is a little more than two thousand tons. There is a farm of trout breeding in Mut. Tarsus, Berdan and Trago stream are full of freshwater fishes. Mersin is very convenient for fishing.
Mersin province is rich in terms of forest. Mersin is completely covered by forests centuries ago. Today, 55% of the land is covered with forest and heath lands. The shoreline from Anamur to Tarsus is covered with heath lands. There are wild olives that are called as Delice, and pine nuts among scrubs. Forests which are densely covered with trees are encountered with from zone of scrubs to height of 2200 m, short and sparse forests are encountered with in higher places. Oak, gum, rosaries, sturgeon, and sandalwood trees can be found in forests whose height is up to 600 m. Various types of pine, fir and cedar trees are many in higher places. Area covered by forests is 785 thousand hectares, heath lands are 100 thousand hectares. Each year 3500 tons of resin and 250 thousand m3 of industrial wood are obtained from forests.
Mersin is considered rich in terms of mine. Chromium, copper, iron, quartz, aluminum, barite, and dolomite are mined and a portion of it is exported from the port of Mersin to foreign countries. Chromium, copper, iron, quartz, aluminum, barite, and dolomite are mined, and a portion is exported from the port of Mersin to the foreign countries. Mersin is the most developed city in industrial sector in Mediterranean region after Adana.
Mersin is a very important center in terms of seaway transportation. Average number of large ships that come to this port is three thousand in a year. This port is a transit centre between Europe and the United States, and the Middle East. 140 ships can shelter in the port, and loading and unloading can be done to 15 ships at the same time.
There are two breakwaters in the port that one of them is 1593 m long, and other is 3933 m long, were made in 1961. 15.000 m2 of shed and 40.000 m2 of open storage area are available, there are 20 berths in the port. Apart from Mersin Port, there are piers in Anamur, Tasucu and Aydincik, and there are fishing ports in Aydincik and Karaduvar.