Biodiversity and Natural Environment

While 2020 was supposed to be a “decisive year to save biodiversity” with major international events such as the World Conservation Congress and COP15 Biodiversity, another global event, the coronavirus pandemic, itself linked to the biodiversity crisis, has called this calendar into question. The fact remains that the erosion of biodiversity continues: the quality and extent of natural environments continue to decline and the number of threatened species continues to grow.
According to the IPBES, 75% of terrestrial and 66% of marine environments have been “significantly modified by human activities”, “23% of land areas have shown a decline in productivity due to land degradation” and the extinction rate of species has reached nearly one million. Similarly, the European Commission notes in an October 2020 report that the EU “has failed to halt the decline of protected species and habitat types whose conservation status is of concern” and that the “main pressures related to the use of land and water resources still remain”, i.e. intensive agriculture, changes in hydrological regimes, urbanization and pollution. There are different ways to “bring nature back into our lives” as called for in the EU 2030 Biodiversity Strategy: establishment of protected areas, use of nature-based solutions and combating soil artificialisation (including the development of urban agriculture and urban greening). This is the whole purpose of ecological engineering, which, in addition to working to restore degraded environments, can contribute to reconstituting natural environments.

Biodiversity conservation

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The erosion of biodiversity is linked to three major factors: land use change (cf. the increase of more than 80% in cultivated land during the 20th century), the increase in greenhouse gas emissions and its effects on the climate, and the intensification of international flows, which constitute a source of exchanges of fauna and flora potentially harmful to biodiversity. This e...

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Environmental engineering

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Ecological engineering refers to the scientific knowledge, techniques and practices that take into account ecological mechanisms applied to resource management, design / implementation of facilities or equipment and that are conducive to ensuring environmental protection. Ecological engineering can be defined as the management of projects applying the principles of ecological ...

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Sea and coastline

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Also strongly concerned by the loss of biodiversity, coastal and marine environments are the subject of specific preservation and restoration actions: relocation of species, rehabilitation of natural habitats (algae, herbariums...), creation of artificial habitats on or near structures (e.g. artificial nurseries in ports), erosion control measures... The Brittany Atlantic and M...

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Urban agriculture and vegetalization

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Urban agriculture projects are booming. In addition to food production and often a social purpose, they provide several services to the city in terms of both the environment and climate: revegetation and reinforcement of biodiversity, desartificialization of soils, management of water flows, the fight against heat islands, etc. Some solutions are implemented in the open ground,...

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