City port biodiversity must be preserved and protected
RESTORING AND PROTECTING BIODIVERSITY ON LAND AND AT SEA IN PORT REGIONS AND CITIES
Improving and maintaining water quality in the port basins.
Conducting regular surveys of biodiversity in the City Port territory and publishing the findings.
Preventing the destruction of sensitive natural habitats when developing onshore or offshore port spaces and by regulating ship-generated waves.
Supporting the efforts of civil society to protect fauna and flora in the City Port territory.
Encouraging programmes aimed at restoring and developing biodiversity in the City Port territory.
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In 2011, the Port of Dunkirk published a Natural Heritage Master Plan, which followed on from the survey of local biodiversity it had established previously. This guidance document is now considered to be a benchmark model for the treatment of natural environments in redevelopment projects for a vast port area (17 km of coastline and 7000 hectares of land). The plan is built around biodiversity hubs, consisting either of zones of special importance to be conserved, or deteriorated environments to be restored. Eco-corridors, future so-called “green and blue belts”, will be used to create a network, not just between these different zones but also with the wider region.
The port of Riga includes in its territory several natural reserves totalling 75 Ha, including the Krēmeri nature reserve and Mīlestības Isle. Hence the port authority has among its responsibilities protecting these areas from threats including construction debris, invasive bushes or household garbage. Other responsibilities include providing nesting conditions for waterfowls as well as environmental monitoring. The general action plans for the areas have been developed in cooperation with the LU Institute of Biology, the Nature Conservation Agency and ornithologists. Among the protected species of birds in these reserves are the Eurasian bittern Botaurus stellaris and Western marsh harrier Circus aeruginosus. During the past years, the population of these species has remained stable and actively nesting in these areas.