Trends of the seagrass Cymodocea nodosa (Magnoliophyta) in the Canary Islands: population changes in the last two decades

Authors

  • Federico Fabbri Universidad de Las Palmas de Gran Canaria
  • Fernando Espino Universidad de Las Palmas de Gran Canaria
  • Rogelio Herrera Viceconsejería de Medio Ambiente, Gobierno de Canarias
  • Leopoldo Moro Viceconsejería de Medio Ambiente, Gobierno de Canarias
  • Ricardo Haroun Universidad de Las Palmas de Gran Canaria
  • Rodrigo Riera Centro de Investigaciones Medioambientales del Atlántico
  • Nieves González-Henriquez Universidad de Las Palmas de Gran Canaria
  • Oscar Bergasa Elittoral, Parque Científico Tecnológico de Tafira
  • Oscar Monterroso Centro de Investigaciones Medioambientales del Atlántico
  • Manuel Ruiz de la Rosa ECOS
  • Fernando Tuya Universidad de Las Palmas de Gran Canaria

DOI:

https://doi.org/10.3989/scimar.04165.19B

Keywords:

seagrass, population trend, temporal patterns, change rates, Canary Islands, Atlantic Ocean

Abstract


Seagrass meadows perform essential ecosystem functions and services. Though the meadows are globally deteriorating, numerous regressions remain unreported as a result of data fragmentation. Cymodocea nodosa is the most important seagrass in shallow coastal waters of the Canary Islands. No study has so far investigated temporal population trends at the entire archipelago scale. Using data collected in the past 23 years by local companies, public authorities and research groups, the population trends of Cymodocea nodosa were analysed over the past two decades at the scales of islands, island sectors and meadows. During this period, a prevalence of negative trends was revealed for three seagrass demographic descriptors (seagrass shoot density, coverage and leaf length) at the three scales, evidencing an overall deterioration in seagrass meadow integrity. These results suggest the need to develop correct management strategies to guarantee the conservation of this seagrass and the meadows it creates.

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References

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Published

2015-03-30

How to Cite

1.
Fabbri F, Espino F, Herrera R, Moro L, Haroun R, Riera R, González-Henriquez N, Bergasa O, Monterroso O, Ruiz de la Rosa M, Tuya F. Trends of the seagrass Cymodocea nodosa (Magnoliophyta) in the Canary Islands: population changes in the last two decades. Sci. mar. [Internet]. 2015Mar.30 [cited 2024Mar.29];79(1):7-13. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1574

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