Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2067/45931
Titolo: Assessment of the photosynthetic response of posidonia oceanica (Linneaus) delile, 1813 along a depth gradient in the northern tyrrhenian sea (latium, italy)
Autori: Madonia, Alice
Caporale, Giulia
Penna, Marina
Bonamano, Simone
Marcelli, Marco 
Data pubblicazione: 2021
Posidonia oceanica (L.) Delile meadows are recognized to be one of the most productive ecosystems of the Mediterranean basin. Due to the impacts of human activities in coastal areas, seagrasses are experiencing a critical decline. In this context, the understanding of the dynamics of production and photosynthesis in response to the environmental factors is essential to address efficient conservation strategies that limit this trend and to assess the ecological status of marine ecosystems. Pulse Amplitude Modulated (PAM) fluorometry has been widely implemented to assess seagrass health and productivity. Here we analyzed the photosynthetic dynamics of P. oceanica according to its bathymetric distribution and daily light availability along a depth gradient to be used as baseline for monitoring purposes on the health status of the seagrass meadows in the Northern Tyrrhenian Sea. Moreover, to investigate the effects of the environmental factors on the health status of P. oceanica within the study area through a multidisciplinary approach, the models contained in the Civitavecchia Coastal Environmental Monitoring System were used. In this study, significant photo-physiological changes have been observed among the investigated meadows. Moreover, the integration of physiological and hydrodynamic information allowed the description of how P. oceanica modulates its photosynthetic capacity at different environmental conditions.
URI: http://hdl.handle.net/2067/45931
ISSN: 2076-3263
DOI: 10.3390/geosciences11050202
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