Areas of Ramsar Site 1602 analyzed for heavy fraction hydrocarbons in Tuxpan, Veracruz
DOI:
https://doi.org/10.47808/revistabioagro.v6i2.206Keywords:
HFP, heavy fraction, mangroves, contaminationAbstract
The mangrove is a complex and dynamic ecosystem, considered a wetland of international importance since it has a strong inter / intra –specific interrelation with the environment. Its importance lies in innumerable services that provide different areas, including the economic. However, despite this, mangroves have been negatively impacted by pollution, having an annual deforestation rate of approximately 2.5%, from 775 thousand ha in 2005 to 764 thousand 486 ha in 2010. The objective of this research was to establish two areas of Ramsar site 1602 "Manglares y Humedales de Tuxpan", one to the north and one to the south (ZN and ZS), each one hectare. Among the main pollutants of the area are the effects of tourism, road and oil infrastructure, agricultural and marine activities, the reduction of water flow by irrigation works and water contamination by agrochemicals, heavy metals, nutrients and hydrocarbons associated with several activities, mainly in the northern zone. Heavy hydrocarbon concentrations (HFP) were evaluated in 16 sub-samples of the two areas obtained at a depth of 70 cm from the surface to obtain a composite sample for each zone, which was analyzed (EPA 1661a and 9071b with some modifications), quantifying the HFP by weight difference. Heavy fraction hydrocarbons were found in both sampling areas, with the highest concentration in the northern zone, however, the concentrations were not statistically different.
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Copyright (c) 2018 Arianna Rubí González Sánchez, Pablo Elorza Martínez, Sara Aida Alarcón Pulido, María de la Luz Hernández Sánchez y Alejandra Rodríguez Betancourt
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