the lifeless bodies of the bees were collected during the spring. This is the time of maximum activity in the swarm, so there is a greater transit of births and casualties among the workers. Thus, the beekeepers put the samples in glass containers that they sent to the researchers. Once the specimens were obtained, the experts placed them in hermetic plastic bags that they frozen to avoid organic decomposition and the degradation of the plastics. Microplastics adhere to the thorax, legs and wings of bees. Subsequently, they inserted the samples into precipitate flasks with water and ethanol, a substance with the ability to separate microplastics from the body of bees. Afterwards, they recovered the detached polymers with a filter, dried them and examined

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them to identify them one by one. “Most of the waste that Colombia WhatsApp Number List adhered to the bees was fragments and fibers. The latter pose a problem for the environment because they are of industrial origin and, consequently, they pollute more ”, explains Amadeo Rodríguez. Environmental awareness The research was located in Denmark due to the deep environmental awareness of the beekeepers association Danmarks Biavlerforening , which provided the samples for the study. “The local beekeepers wanted to know the level of contamination in the areas where their bees move and how it affects honey production. At the moment, we have only been able to tell them what waste they transport to the hive and the areas with the greatest contamination ”, explains

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Amadeo Rodríguez. The Pesticide Residues group wants to continue with this line of research with the aim of designing quality evaluation systems for products such as honey or vegetables. To do this, they analyze the residues that are produced during their production or handling and establish parameters to unify the criteria of European laboratories, such as the presence and absence of pesticides in food. In this way, the safety of food for export and import is guaranteed. Team of the Pesticide Residues group of the University of Almería. This work has been funded by the Ministry of Science and Innovation (CTM2016-74927-C2-1-R / 2-R) and the Thematic Network of Micro and Nanoplastics in the Environment, as well as own funds from the Pesticide

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