Reggello, repair work on the Resko stream postponed until autumn

Routine maintenance operations on the Resco stream are delayed from October to November due to an invasion of Japanese knotweed, a highly invasive alien plant.

This decision was made by the Consorzio di Bonifica Alto Valdarno in consultation with the Municipality of Reggello and explained to the citizens during a public meeting held in the Circolo di Vaggio.

The situation was illustrated by the mayor of Reggello Piero Giunti, councilors Adele Bartolini and Joe Bartolozzi, and the president of the Consorzio di Bonifica Alto Valdarno, Serena Stefani.

As the administrators explained, the amelioration of watercourses and streams is carried out every year on the basis of an intervention plan, which is drawn up by the Consortium in cooperation with the municipalities, as well as on the basis of citizens’ reports; the plan is then sent to the region for review and approval. Work usually starts on July 1 of each year (previously this was not possible because the law thus protects nesting bird species) and ends by December 31.

“Resco routine maintenance work is also scheduled for 2023 to ensure proper water outflow,” President Stephanie explained, “but due to the massive presence of the Japan Landfill, we are forced to wait until October-November. This is because, on the basis of studies also carried out by universities, we have identified a period of vegetative dormancy, when the leaves dry, as the most appropriate time to intervene without propagating the plant.”

Knotweed Japanese – Asian plant, probably come down to us as an ornamental plant for gardens; however, it quickly invaded (in the last 4.5 years) the banks of the streams, even last year reaching the confluence with the Arno. It grows and spreads very quickly, so much so that it is considered one of the hundred most invasive species in the world. Even a single cut branch, which may seem dry, can take root again if left on the ground, which explains its rapid and massive reproduction. Pruning the plants in the summer, in the full vegetative phase, would mean over-propagation and for this reason the Consorzio di Bonifica will not interfere with Resco’s cleaning until late autumn.

“And when we intervene,” Serena Stefani added, “we will do it by cutting it up and then burning it right on the spot so that even moving the remains does not contribute to their spread to other areas.” In short, a punctual operation to limit as much as possible the spread of this alien species that suffocates native vegetation and puts the entire river ecosystem at risk. During the meeting, the Consorzio di Bonifica and the municipality of Reggello asked for the help of the citizens to learn to recognize this plant and avoid behaviors such as cutting it in the summer or refusing to mow the stream that do nothing. except to increase its distribution.

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