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Ex-situ conservation in the Botanical Garden

 

Ex situ or in situ?

 

How to conserve biodiversity? When natural habitats disappear, the Noah Principle offers often the last resort – plants are saved in a Botanical Garden or at least their seeds are stored. This approach is termed conservation ex-situ.  However, this can only be a rescue strategy, since a species will adapt to life in the Botanical Garden and therefore will change. Sustainable species conservations requires to protect natural habitats, such that a species can evolve at its natural site (in-situ conservation). Evolution always proceeds, a species is different from an object that can be shown on display in a museum, it is rather a continuous flow that never stops.

The Botanical Garden of the KIT has been actively supporting species conservation over many years. For highly endangered species such as the Wild European Grape or the Wild Celery that exist in the wild only in very few sites (sometimes only in one), the garden is used for the Noah Principle. For more than 30 species, which are presented on these pages, we cultivate their last individuals, propagate them and often resettle them in favourite sites in the wild. This happens in close cooperation with the Regierungspräsidium Karlsruhe in frame of the Species Conservation Protection Programme of the State of Baden-Württemberg.

See also the Website of the work group ex-situ conservation of wild plants" of the German Association of Botanical Gardens.

 

Androsace septentrionalis (Northern Man's Shelt)

Apium graveolens (Wild Celery)

Armeria maritima ssp. elongata (Sand-Grass Carnation)

Arnica montana (Mountain Arnica)

Campanula cervicaria (Bristle Bellflower)

Equisetum trachyodon (Rough Teethed Horsetail)

Filago lutescens (Yellowish Feltwort)

Gentiana cruciata (Cruciform Gentian)

Gentiana pneumanthe (Lung Gentian)

Jurinea cyanoides (Silver Scart)

Koeleria glauca (Glaucine Koeleria)

Leonurus cardiaca ssp. cardiaca (Common Heartwort)

Ludwigia palustris (Swamp Ludwigia)

Marsilea quadrifolia (Clover Fern)

Populus nigra (Black Poplar)

Salix repens (Creeping Willow)

Schoenoplectus x carinatus (Edged Pondwort)

Schoenoplectus triqueter (Three-Edged Pondwort)

Scrophularia auriculata (Water-Brownwort)

Selinum dubium (Swamp Stingwort)

Stipa pennata s. str. (Grey-Sheathed Feather Grass)

Taraxacum balticiforme (Baltic Dandilion)

Taraxacum germanicum (German Dandilion)

Taraxacum pollichii (Pollich's Dandilion)

Trapa natans (Water Nut)

Vaccinium x intermedium (Intermediate Blackberry)

Viola uliginosa (Moore Violet)

Vitis sylvestris (European Wild Grape)

 


 

 

 


 

 

 

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