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The concept of biodiversity is here to stay, this concept used in agriculture is increasingly spreading to cities.

The development of cities or urban areas often implies a complete change of their ecosystem, considerably reducing the native biodiversity present in these ecosystems. In this way, it is necessary to create new models with ecosystem approaches for the conservation and planning of biodiversity in urban models.

However, cities are being considered important areas for biodiversity, since they are home to numerous green areas with trees, shrubs and flowering plants that serve as shelter and food for different species of birds or insects, both native and exotic fauna.

Within the European Strategy for Biodiversity 2030, the Biodiversity Foundation of the Ministry for the Ecological Transition and the Demographic Challenge (MITECO) has resolved the call for aid for cities with 20,000 inhabitants or more for projects that contribute to a change in the city, based on sustainability, increase in green infrastructure and the promotion of Nature-based Solutions (NbS).

To achieve this plan, it must be a responsibility that must be assumed by the government agencies of each territory and be responsible for carrying out actions for their conservation and design, which, when well executed, provide benefits for the entire population.

In this sense, we highlight the city of Zaragoza, one of the pioneers in developing urban biodiversity strategies, where the Parks and Gardens Service of the City Council of this city began a trial several years ago by releasing useful fauna (beneficial insects) to minimize the inconveniences generated in the city by pests such as aphids, capable of excreting honeydew and staining sidewalks and vehicles among other urban elements. Before implementing it in general, tests were carried out in several specific areas to monitor the evolution of these useful insects, checking their ability to establish themselves and become part of the ecosystem into which they had been introduced.

But, in addition to introducing beneficial insects year after year, we must help useful fauna establish self-sufficiently in our cities and become part of the biodiversity of the urban ecosystem. For all this, we must work to “naturalize cities”, reinforcing plant structures with plants with pollen and nectar and making more ecological management, to achieve a quality habitat that favors the development of natural processes and the health of our cities.

👉🏼 We highlight some of the most important benefits of promoting urban biodiversity:
🌱 More resilience is generated against climate change.
🌎 Polluted air is regenerated.
🎧 Thermal and acoustic insulation is produced.
🩺 Improves the health and well-being of the population.
☢️ Less use of pesticides or insecticides.
🐝 Greater biological control with auxiliary insects.




Author miguel

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