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Increases in seagrass cover are paralleled by decreases in benthic slope along DGPS-and depth tracked video monitoring transacts in the a Central Adriatic embayment (CROSBI ID 581432)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Mokos, Melita ; Kruschel, Claudia ; Schultz, Stewart Tyre Increases in seagrass cover are paralleled by decreases in benthic slope along DGPS-and depth tracked video monitoring transacts in the a Central Adriatic embayment // Proceedings of the Mediterranean Seagrass Workshop 2009 / Di Carlo, G. ; Calladine, A. ; Žuljević, A. (ur.). Hvar: Seagrass 2000 - Mediterranean Seagrass Association, 2009. str. 39-40

Podaci o odgovornosti

Mokos, Melita ; Kruschel, Claudia ; Schultz, Stewart Tyre

engleski

Increases in seagrass cover are paralleled by decreases in benthic slope along DGPS-and depth tracked video monitoring transacts in the a Central Adriatic embayment

Within the scope of a seagrass monitoring program in the Novigrad Sea, Central Croatian Adriatic, we predicted that the annual variability in coverage of seagrasses (Zostera marina, Zostera noltii, and Cymodocea nodosa) can be partially explained by the annual variability in sediment translocation. From 23 fixed DGPS-referenced monitoring video transects followed over three years (June 2007–2009), we calculated annual (i) changes in interior bed seagrass coverage, (ii) gain in seagrass at the lower edge of the bed and seagrass bed expansion, and (iii) accumulation of sediment, its depth dependence, and the associated changes in transect slope. We found that in 2007 to 2008, the year with net sediment accumulation, seagrass coverage increased and the bed expanded. In both years seagrass cover within the seagrass bed increased with increasing sediment accumulation, while seagrass bed expansion was highest under inter- mediate sedimentation rates. Boat-based videographic monitoring can document both natural sediment movement along the depth gradient, and species-specific responses necessary for informed management of submerged aquatic vegetation in the Adriatic Sea.

seagrass; Zostera; Cymodocea; Novigrad Sea; monitoring; sedimentation

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Podaci o prilogu

39-40.

2009.

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objavljeno

Podaci o matičnoj publikaciji

Proceedings of the Mediterranean Seagrass Workshop 2009

Di Carlo, G. ; Calladine, A. ; Žuljević, A.

Hvar: Seagrass 2000 - Mediterranean Seagrass Association

Podaci o skupu

Mediterranean Seagrass Workshop 2009

predavanje

06.09.2009-10.09.2009

Hvar, Hrvatska

Povezanost rada

Biologija