Seagrass (Ruppia maritima L.) Life History Transitions in Response to Salinity Dynamics Along the Everglades-Florida Bay Ecotone

Strazisar, Theresa; Koch, Marguerite S.; Madden, Christopher J.

doi:10.1007/s12237-014-9807-4

Cited by 18 publications

(6 citation statements)

References 62 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Understanding the physiological requirements of these species at these life history transitions is the approach adopted for Ruppia maritima in the Everglades-Florida ecotone (Strazisar et al, 2013(Strazisar et al, , 2014. For Ruppia tuberosa in the Coorong, and Ruppia megacarpa within the VasseWonnerup, water resource management could also be used to manage salinity to support seed set and recruitment.…”

Section: Effective Policy To Protect Both Transitory and Enduring Seamentioning

confidence: 99%

Unravelling complexity in seagrass systems for management: Australia as a microcosm

Kilminster

McMahon

Waycott

et al. 2015

Science of The Total Environment

259

253

View full text Add to dashboard Cite

Section: Effective Policy To Protect Both Transitory and Enduring Seamentioning

confidence: 99%

Unravelling complexity in seagrass systems for management: Australia as a microcosm

Kilminster

McMahon

Waycott

et al. 2015

Science of The Total Environment

259

253

View full text Add to dashboard Cite

“…It is likely that the timing and length of these exposures may be important in structuring SAV assemblages. Although some studies examined the interactive effects of temperature and salinity pulses on species (Doering et al 2001, La Peyre & Rowe 2003, Frazer et al 2006, Strazisar et al 2015, few have looked at the interactive effects on species assemblages. The large maximum:minimum biomass ratios at intermediate sites could be reflecting the November pulse of salinity above 15, which reduced the number of species present in July by close to 50%.…”

Section: Discussionmentioning

confidence: 99%

Salinity and water clarity dictate seasonal variability in coastal submerged aquatic vegetation in subtropical estuarine environments

Hillmann¹,

DeMarco²,

Peyre³

2019

Aquat. Biol.

View full text Add to dashboard Cite

Spatial and temporal variability characterize submerged aquatic vegetation (SAV) assemblages, but understanding the complex interactions of environmental drivers of SAV assemblages remains elusive. We documented SAV composition and biomass across a salinity gradient in a coastal estuary over 12 mo. Ten macrophyte species were identified. The dominant species, Ceratophyllum demersum and Myriophyllum spicatum, accounted for over 40% of total biomass. Only Ruppia maritima occurred across the salinity gradient. Salinity, water depth and clarity delineated 3 assemblages: a saline assemblage, and 2 groups of fresher-water species, one associated with deeper water and lower water clarity and the other associated with shallow water and higher water clarity. These assemblages exhibited intra-annual variation, with at least 5 times more biomass in late spring/mid-summer compared to early winter. This pattern was consistent across the estuary, although the difference between peak and low biomass varied by habitat type; brackish exhibited the greatest magnitude. This variation is likely due to higher variation in salinity and the species composition of this habitat. As climate change and coastal restoration impact timing and range of salinity, water depth and clarity in this region, these data can be used to help inform predictive models and management decisions.

show abstract

“…The genus Ruppia , which occurs in brackish water, is sometimes classified in the Cymodoceaceae [ 4 ], but the Angiosperm Phylogeny Group IV System [ 5 ] uses the traditional assignment to Ruppiaceae. Species of Ruppia are not restricted to marine waters and show a high variability in accepted salinity gradients [ 6 – 8 ]. They are not always accepted as seagrasses sensu stricto , but are included in our research because of their ecological similarity to seagrasses.…”

Section: Introductionmentioning

confidence: 99%

Profiling the cell walls of seagrasses from A (Amphibolis) to Z (Zostera)

et al. 2022

View full text Add to dashboard Cite

Background The polyphyletic group of seagrasses shows an evolutionary history from early monocotyledonous land plants to the marine environment. Seagrasses form important coastal ecosystems worldwide and large amounts of seagrass detritus washed on beaches might also be valuable bioeconomical resources. Despite this importance and potential, little is known about adaptation of these angiosperms to the marine environment and their cell walls. Results We investigated polysaccharide composition of nine seagrass species from the Mediterranean, Red Sea and eastern Indian Ocean. Sequential extraction revealed a similar seagrass cell wall polysaccharide composition to terrestrial angiosperms: arabinogalactans, pectins and different hemicelluloses, especially xylans and/or xyloglucans. However, the pectic fractions were characterized by the monosaccharide apiose, suggesting unusual apiogalacturonans are a common feature of seagrass cell walls. Detailed analyses of four representative species identified differences between organs and species in their constituent monosaccharide composition and lignin content and structure. Rhizomes were richer in glucosyl units compared to leaves and roots. Enhalus had high apiosyl and arabinosyl abundance, while two Australian species of Amphibolis and Posidonia, were characterized by high amounts of xylosyl residues. Interestingly, the latter two species contained appreciable amounts of lignin, especially in roots and rhizomes whereas Zostera and Enhalus were lignin-free. Lignin structure in Amphibolis was characterized by a higher syringyl content compared to that of Posidonia. Conclusions Our investigations give a first comprehensive overview on cell wall composition across seagrass families, which will help understanding adaptation to a marine environment in the evolutionary context and evaluating the potential of seagrass in biorefinery incentives.

show abstract

Seagrass (Ruppia maritima L.) Life History Transitions in Response to Salinity Dynamics Along the Everglades-Florida Bay Ecotone

Cited by 18 publications

References 62 publications

Unravelling complexity in seagrass systems for management: Australia as a microcosm

Unravelling complexity in seagrass systems for management: Australia as a microcosm

Salinity and water clarity dictate seasonal variability in coastal submerged aquatic vegetation in subtropical estuarine environments

Profiling the cell walls of seagrasses from A (Amphibolis) to Z (Zostera)

Contact Info

Product

Resources

About