Journal of Natural Environment

Valuation of the services and damages caused by overfishing of shrimp to optimize it in Hormozgan province

Document Type : Research Paper

Authors

1 Department of Natural Resource and Environment, science and Research Branch, Islamic Azad University, Tehran, Iran

2 Department of Agricultural Economics and Food Industry, Faculty of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University Tehran, Iran

3 Department of Environmental Management, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran

Abstract

The diverse ecosystem of the Sea has brought about the formation and continuous flow of products and services for people beings and its effects on the economic life of countries have valuable roles. To evaluate these services, it is necessary to identify the benefits and select the appropriate product. Valuation of shrimp ecosystem services was done by evaluation methods. Samples (70-person from stockholders) are select in two groups of Eco-Friendly and fishers and their opinions on shrimp’s value ​​were collected using a questionnaire. Contingent valuation and Benefit Transfer Method were calculated in 1400. The results showed the existence value of banana’s shrimp (Penaeus merguiensis) was obtained as 9.38% of its market price (one million Rials).The bequest value of this benthic species was estimated to be at least 2.5 million Rials per person and the value of other species associated with fishing was estimated to be about 1.3 million Rials. Damage to marine resources was estimated at more than $ 140 million by overfishing and other non-target species (by-catch). Assessing the total value of ecosystem services and shrimp productions in 1400, more than $ 53 million was obtained and the damages of this economic activity are estimated to be more than 2.3 times the calculated values. Therefore, changing harvest and trawl methods are applied suggestions.

Keywords

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Journal of Natural Environment
Volume 75, Special Issue Coastal and Marine Environment
February 2023
Pages 77-89