Abstract
Effects of organochlorine pesticides (OCPs) on survival and edibility of loaches in the World Heritage Honghe Hani Rice Terraces, China
Highlights
Because of the drastically increasing world population, global food security is becoming increasingly fragile (Godfray et al 2010)
At the beginning of the co-culture season (May), endosulfan II and heptachlor accounted for over 50% of the organochlorine pesticides (OCPs) found in the water and sediment samples, with concentrations of 664.26 ng l−1 and 5.30 μg kg−1, respectively (Table 1)
The present study aimed to explore how residual OCPs influence the survival and edibility of loaches living in the newly introduced rice−fish co-culture system in the World Heritage Honghe Hani Rice Terraces (HHRT)
Summary
Because of the drastically increasing world population, global food security is becoming increasingly fragile (Godfray et al 2010). Aquacult Environ Interact 11: 239–247, 2019 is the Honghe Hani Rice Terraces (HHRT), which comprise a well-known World Agricultural Heritage Site in southern Yunnan Province, China (Gu et al 2012, Zhang et al 2017). In order to meet the needs of development, our group introduced a rice−loach coculture system in the local area. The terraces were built to store water, preserve soil, and increase production; the introduction of the rice−loach system was not in conflict with these objectives. Local residents are willing to co-culture rice and loaches Misgurnus anguillicaudatus. According to a production survey carried out by local farmers, the output of loaches increased to 750 kg ha−1, and the rice yield increased from 10 500 to about 12 750 kg ha−1 after the introductioin of the rice–loach co-culture system
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