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Transcript
aaa Use of indigenous seeds and plants Meadow from the Swabian mountains, which is cut twice a year. © Dr. Gottfried Briemle, Aulendorf Involved sectors Agriculture, Water management, Spatial planning, Nature protection, Transport Affected habitats Areas for settlements and transport Description During renaturation measures and other construction projects (construction of roads, railways and watercourses, and landscaping), but also in gardens and city parks, it is important not only to select site-appropriate species but also to use indigenous seeds and plants of local origin. The use of non-local seed may result in locally specific adaptations and regional biotopes being squeezed out or impaired, which may have a negative impact on other organisms, such as nectar-collecting and pollinating insects. Furthermore, some individual species may behave in an invasive manner. The use of indigenous seeds also helps to safeguard biotope-specific species diversity and promote native wild plants, thus contributing to the biotope network and the preservation of genetic diversity in line with the Convention on Biological Diversity (CBD). Impact Impact in particular on Ecological impact Improvement or preservation of habitats Insects Some insect species depend on native species of plant. By using specific species and with appropriate management, the habitat is enhanced, especially on spaces along transport routes. Element of ecological network Other Time of realisation for measure Impact scope Species-rich areas along transport routes can act as stepping stone biotopes in the biotope network. Indigenous species are particularly valuable. Preservation of genetic diversity (Convention on Biological Diversity). Months: Some months will elapse from the time of the preparatory measures to the development of the full impact during the vegetation period. Local (municipality): The use of indigenous seeds should be promoted transregionally in order to increase the impact of individual measures. Implementation Implementation Days: Can be well-integrated into conventional landscaping measures. period In "greening" measures, appropriate seeds must be used. Frequency Recurring: This requires the implementation of a long-term strategy. Economic and legal aspects Costs Socioeconomic impacts Sources of financing Very low (less than 1'000 EUR): The use of indigenous seeds and plants may result in higher costs in some cases. Low: Seed production of indigenous wild species can offer alternative income generation opportunities for farmers in the region (domestic value-added instead of seed imports). Public: local, Public: regional, Public: national, Public: European According to the Nature Conservation Act, the use of alien plants may Legal situation be prohibited, so the use of indigenous plants and seed should be appropriately regulated by the relevant nature conservation authorities. Further information Evaluation Information In Bavaria, technical recommendations have been developed on the use of indigenous plants and seeds, which should serve as guidelines for nature conservation authorities. As EU rules on the marketing of seeds and seed mixtures exist, amendment of national legislation may be required. Germany: Further information at: http://www.stmugv.bayern.de/umwelt/naturschutz/autochthon/index.htm