Restoration of Cymodocea nodosa seagrass meadows through seed propagation: Germination in vitro, seedling culture and field transplants

• Published in: Botanica Marina
• Main Authors: Zarranz, Maite E., González-Henríquez, Nieves, García-Jiménez, Pilar, Robaina, Rafael R.
• Other Authors: 36139964400, 35792228700, 6602635632, 55885649200, 5912866, 5151932, 1494106, 1022386, WOS:Zarranz, ME, WOS:Gonzalez-Henriquez, N, WOS:Garcia-Jimenez, P, WOS:Robaina, RR
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2010
• Subjects: 251004 Botánica marina; Acclimation; Germination; Hyposalinity; Restoration; Seagrasses; Northwest Atlantic
• Online Access: http://hdl.handle.net/10553/46479; https://doi.org/10.1515/BOT.2010.019

Cymodocea nodosa, a marine angiosperm, an ecosystem engineer in the Mediterranean Sea and the Northwest Atlantic Ocean; however, as in other seagrasses meadows worldwide, the swards are actually declining due to increasing human pressures. Hence, we have developed an effective propagation methodology that provides C. nodosa seedlings for seagrass meadow restoration and conservation. This method consists of: i) germination of wild-collected seeds under hyposaline conditions, ii) acclimation of germinated seedling in tanks (1.6 m3 ) until there are two shoots per seedling (;30 days), and iii) transplantation of acclimated seedlings to the field in dense groups. Our field outplants withstood herbivore activity and physical disturbance during the winter season, and propagated vegetatively, resulting in the spread and establishment of a new patch that has persisted for nine months. 181 173 1,623 Q2