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Collection spécifique

Lingua

Université de Fribourg

Predicting climate change impacts on the threatened Quercus arbutifolia in montane cloud forests in southern China and Vietnam: Conservation implications

Song, Yi-Gang ; Petitpierre, Blaise ; Denga, Min ; Wu, Jin-Ping ; Kozlowski, Gregor

In: Forest Ecology and Management, 2019, vol. 444, p. 269–279

Trees of montane cloud forests (MCFs) often have small and isolated populations and face numerous threats. Due to limited conservation resources, management decisions are often based on scarce biological information. This study investigated the current status of populations of the critically endangered oak species Quercus arbutifolia in southern China, including its distribution, threats,...

Université de Fribourg

Overcoming sexual sterility in conservation of endangered species: the prominent role of biotechnology in the multiplication of Zelkova sicula (Ulmaceae), a relict tree at the brink of extinction

Carra, Angela ; Catalano, Caterina ; Badalamenti, Ornella ; Carimi, Francesco ; Pasta, Salvatore ; Motisi, Antonio ; Abbate, Loredana ; La Bella, Francesca ; Fazan, Laurence ; Kozlowski, Gregor ; Garfì, Giuseppe

In: Plant Cell, Tissue and Organ Culture (PCTOC), 2019, vol. 137, no. 1, p. 139–148

Biotechnology provides valuable tools to support conservation of plant species, especially in case of threatened taxa or when dealing with seed unavailability, low viability or sterility. However, plant cell culture methods have often to face problems associated with tissue recalcitrance to in vitro systems. Recalcitrance can be related to a variety of triggering factors, involving many...