Question

why are the fishing and coir industries flourishing in kerala?

Answer 1

because of abundance of coconut and coastal plains

Answer 2

The coastline of the state runs to a length of about 590km. The territorial limits of the state is about 22 kms from the sea shore and the total are covered by the sea that falls within this territory comes up to around 13,000 square kilometers. This is the area in which the marine fishermen of the state are allowed to venture. The shallow seabed surrounding the state of Kerala comes to around 3919 square kilometers. This is the most fertile region of the Arabian Sea as far as fisheries are concerned. The potential of the state in terms of marine fisheries is believed to be about 5.17 lakh tones. Not only do the fisheries contribute to about 3 percent of the economy of Kerala they also earn the state a great deal of foreign exchange and goodwill. The fisheries of the state are famous all over the world and are exported to Europe and America among other parts of the globe. At present the state of Kerala produces about 6 lakh tones of marine fishes every year. 
The Government of Kerala is actively involved in overseeing the fisheries sector and in promoting its activities in the state. The Department of Fisheries implements the Governments visions and schemes in this sector. It is actively involved in the development and management of fisheries in the region. The welfare and upliftment of the fisher folk of the state also comes under the purview of the Department of Fisheries, Government of Kerala. A number of programs and projects for this purpose have been undertaken by this department. 

Kerala is blessed with an immense measure of fresh water fishery resource as well. The state's 44 rivers (85,000 ha), 53 Reservoirs (42890ha), and 53 backwaters and other brackish water bodies (65213 ha) endow it with a multitude of fisheries Besides the marine life bestowed by the sea these inland water resources contribute significantly to the growth of the fishing industry in the state. This is substantiated by the fact that the inland fish yield level of the state is currently at about 75036 tonnes a year. The following table represents the trends in fish production over the past few years as per the Directorate of Fisheries.