A New Approach to marine Aquaculture: Integrated Multitrophic Aquaculture (IMTA)

Document Type : مقاله ترویجی

Authors

1 1Persian Gulf and Oman Sea Ecological Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran

2 Persian Gulf and Oman Sea Ecological Research Center, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran,

Abstract

Providing the protein needed for human nutrition, led to rapid growth of aquaculture industry in recent years, but this rapid growth has become a concern for biologists and ecologists, and has raised deep concerns about the destructive effects of aquaculture on the environment. . It has also been mentioned that these effects can also affect the long-term development of aquaculture. For this reason, the collaboration of biologists and ecologists led to suggest the poly culture method for optimal use of food resources in the environment, but this method has little positive effect on reducing the environmental impacts of aquaculture, so the idea “Integrated Multi Trophic Aquaculture (IMTA)” has been introduced as a new method to create an aquaculture system based on the use of all levels of food for the sustainability of the environment (biological control), economic stability (product diversity and risk reduction), and social acceptance (better management). Considering the development in Cage culture in Our Country, Iran, if the environmental problems caused by this development are not considered, it can be catastrophic. The waste water from shrimp farms and water around fish cages in the sea is full of suspended and dissolved nutrients that can be used to culture other aquatic organisms, including oysters and seaweed, the use of a combined aquaculture system in these areas not only reduce the environmental effects of aquaculture in these areas, but also boost culturing new species, including oysters and marine algae.

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