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Use of Posidonia oceanica seedlings from beach-cast fruits for seagrass planting by Jorge Terrados; Arnaldo Marín; David Celdrán is a Earth and Planetary Sciences article available to read on EtoBox.

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## Abstract __Posidonia oceanica__ seedlings produced from beach-cast fruits were planted in an area where this Mediterranean seagrass was lost as a consequence of fish-farming. The effects of substratum type (dead matte vs. meadow) and planting level (above vs. below bottom surface) on seedling survivorship and leaf development were evaluated after 3 years. Seedling capacity to resist uprooting was also tested by comparing survivorship and leaf development after 2 years in seedlings firmly anchored in dead matte by artificial means (mesh-pot) with those planted without any anchoring other than their roots. Survivorship in dead matte was 44% after 3 years and was not affected by planting level. Seedling planting inside the meadow led to complete mortality after 3 years. Seedlings planted below the bottom surface branched during the second year and 50% had produced from one to five additional shoots after 3 years. After 2 years, survivorship and leaf development of seedlings planted with mesh-pot anchoring was similar to that of seedlings planted without anchoring. Current environmental conditions in the impacted area allow __P. oceanica__ seedlings to survive, but natural recovery

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Author

Jorge Terrados; Arnaldo Marín; David Celdrán

Publisher

Walter de Gruyter GmbH

Published

2013

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)