Spatiotemporal dynamics and resource use efficiency in mariculture production: A case study in Southeastern China

Valle, Tomás Marín Del; Ji, Wu; Xu, Chongbin; Qian, Chen; Yu, Wu; Yang, Wu

doi:10.1016/j.jclepro.2022.130743

Cited by 4 publications

(2 citation statements)

References 72 publications

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“…Under the trend of increasingly scarce fishing resources, mariculture plays an indispensable role in ensuring national food security and improving the national dietary structure [1,2]. However, while China's mariculture has made remarkable achievements, there are also a series of environmental and resource problems, such as the irrational utilization of mariculture resources [3][4][5], reduction in mariculture area [6][7][8], and increasing carbon emissions and nitrogen and phosphorus pollutant emissions from mariculture [9]. Vigorously promoting the green development of mariculture in China is not only of great significance to the high-quality development of China's marine economy, but also has a profound impact on the realization of the dual carbon goal.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Marine Pastures on Green Aquaculture in China

Wang,

Mao,

2024

Water

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Under the double pressures of economic growth and ecological environment protection, sea green transformation and the sustainable development of mariculture are critical. This paper constructs an evolutionary game model with the government as the main body and mariculture farmers (enterprises) as the main body and puts forward the research hypothesis. Based on 2006–2019 longitudinal data of nine provinces along China’s coast, using multi-period Difference-in-Difference (DID) and dual robust estimation, we empirically investigate the national oceanic ranch demonstration zones for the influence of the green sea aquaculture and their mechanism of action. The results showed that (1) the efficiency of green level of mariculture industry in China is not high, and the establishment of national marine pasture demonstration zone has not effectively promoted the improvement of green level of mariculture industry; (2) the institutional environment, unreasonable industrial structure, and lack of scientific and technological innovation have an effect on the national oceanic ranch demonstration area as the main causes of failure to effectively promote marine green farming; (3) the establishment of the national multi-period demonstration area in the north significantly hindered the growth of the green level of mariculture and fell into the “policy trap”, while the establishment of the national multi-period demonstration area in the south significantly promoted the growth of the green level of mariculture. The conclusions of this paper provide an empirical basis and reference for the improvement of the national marine pasture demonstration zone policy and the green transformation of mariculture to a certain extent.

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Section: Introductionmentioning

confidence: 99%

The Effect of Marine Pastures on Green Aquaculture in China

Wang,

Mao,

2024

Water

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“…Some studies determine the insurance rate by establishing the relationship between the production of aquaculture products and natural factors, and some studies compare the differences of index insurance products in different study areas. [ 7 – 10 ]. The current study lacks a particular study of the insurance rates in a single aquacultural product in the entire eastern coastal area of China.…”

Section: Introductionmentioning

confidence: 99%

Research on the insurance of swimming crab temperature and salinity index insurance based on Copula function

Shi

Zhao

et al. 2022

PLoS ONE

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Under climate change, the sea surface temperature and salinity change greatly, which poses a considerable threat to sustainable food security. Sea surface temperature and salinity (SST/SSS) are selected to examine the annual output of swimming crab in 24 cities along the eastern China. The Copula-based function was used to construct the probability distribution model of the swimming crab yield with SST and SSS. The pure premium rate of the swimming crab production in these 24 cities are also examined. The results show that 1) There is significant positive correlations between the yield of swimming crab with temperature and salinity over the study area. The only exception is that the correlation between yield of swimming crab and salinity is not significant in the south of study area. 2) The span of the pure insurance premium rate of swimming crab in 24 cities increases rapidly with the increase of the protection level, the maximum span up to 2.04%, and the minimum span is only 1.6%. 3) The distribution of the swimming crab insurance premium rate is various in space. The insurance premium rate of 8 cities in the south of Taizhou is low with the highest premium rate at 5.6%. The insurance premium rate of 16 cities in north of Taizhou is relatively high with the rate between 6%-22%. The research can provide a theoretical basis for the pricing of insurance products for swimming crab in 24 cities in the typical aquaculture areas in eastern China.

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