Some aspects of the biology of the giant kelp, Macrocystis pyrifera, in the Falkland Islands

SIGLEAvailable from British Library Document Supply Centre- DSC:DX86202 / BLDSC - British Library Document Supply CentreGBUnited Kingdo

Rewilding the Sea with Domesticated Seagrass

Data compilation of reproductive traits of seagrass species, including potential seed production, life cycle period and location of seed release, used to calculate domestication and rewilding potential. The data on potential seed production involve reports on seed density for some species, but for other species also assessment through calculation, i.e. multiplication of the number of ovaries per reproductive unit by the density of reproductive units per m2. The life cycle period and location of seed release were updated and extended from previously published overviews. The traits were used to calculate domestication and rewilding potential of seagrass species. It is well-known that seagrass meadows sequester atmospheric carbon dioxide, protect coasts, provide nurseries for global fisheries and enhance biodiversity. Large-scale restoration of lost seagrass meadows is urgently needed to revive these planetary ecosystem services, but sourcing donor material from natural meadows would further decline them. Therefore, we advocate domestication and mariculture of seagrasses, to produce the large quantities of seed needed for successful rewilding the sea with seagrass meadows. We provide a roadmap for our proposed solution and show that 44% of seagrass species have promising reproductive traits for domestication and rewilding by seeds. The principle of partially domesticating species to enable subsequent large-scale rewilding may form a successful short-cut to restore threatened keystone species and their vital ecosystem services

Data presented in the paper Rewilding the sea with domesticated seagrass.

Data compilation of reproductive traits of seagrass species, including potential seed production, life cycle period and location of seed release, used to calculate domestication and rewilding potential. The data on potential seed production involve reports on seed density for some species, but for other species also assessment through calculation, i.e. multiplication of the number of ovaries per reproductive unit by the density of reproductive units per m2. The life cycle period and location of seed release were updated and extended from previously published overviews. The traits were used to calculate domestication and rewilding potential of seagrass species. It is well-known that seagrass meadows sequester atmospheric carbon dioxide, protect coasts, provide nurseries for global fisheries and enhance biodiversity. Large-scale restoration of lost seagrass meadows is urgently needed to revive these planetary ecosystem services, but sourcing donor material from natural meadows would further decline them. Therefore, we advocate domestication and mariculture of seagrasses, to produce the large quantities of seed needed for successful rewilding the sea with seagrass meadows. We provide a roadmap for our proposed solution and show that 44% of seagrass species have promising reproductive traits for domestication and rewilding by seeds. The principle of partially domesticating species to enable subsequent large-scale rewilding may form a successful short-cut to restore threatened keystone species and their vital ecosystem services

High levels of gene flow and low population genetic structure related to high dispersal potential of a tropical marine angiosperm

Contains fulltext : 75120.pdf (Publisher’s version ) (Open Access)11 p

Non-native seagrass Halophila stipulacea forms dense mats under eutrophic conditions in the Caribbean

Contains fulltext : 161822.pdf (Publisher’s version ) (Closed access

Nutrient availability induces community shifts in seagrass meadows grazed by turtles

Contains fulltext : 207493.pdf (publisher's version ) (Open Access)21 p

Tropical Biogeomorphic Seagrass Landscapes for Coastal Protection: Persistence and Wave Attenuation During Major Storms Events

Contains fulltext : 220271.pdf (publisher's version ) (Open Access

Maintaining Tropical Beaches with Seagrass and Algae: A Promising Alternative to Engineering Solutions

Contains fulltext : 202553pre.pdf (preprint version ) (Open Access

Diversity of the holopelagic <i>Sargassum</i> microbiome from the Great Atlantic <i>Sargassum</i> Belt to coastal stranding locations

The holopelagic brown macroalgae Sargassum natans and Sargassum fluitans form essential habitats for attached and mobile fauna which contributes to a unique biodiversity in the Atlantic Ocean.However, holopelagic Sargassum natans (genotype I & VIII) and Sargassum fluitans (genotype III) have begun forming large accumulations with subsequent strandings on the western coast of Africa, the Caribbean and northern Brazil, threatening local biodiversity of coastal ecosystems and triggering economic losses. Moreover, stranded masses of holopelagic Sargassum may introduce or facilitate growthof bacteria that are not normally abundant in coastal regions where Sargassum is washing ashore. Hitherto, it is not clear how the holopelagic Sargassum microbiome varies across its growing biogeographic range and what factors drive the microbial composition. We determined the microbiome associated with holopelagic Sargassum from the Great Atlantic Sargassum Belt to coastal stranding sites in Mexico and Florida. We characterized the Sargassum microbiome via amplicon sequencing of the 16S V4 region hypervariable region of the rRNA gene. The microbial community of holopelagic Sargassum was mainly composed of photo(hetero)trophs, organic matter degraders andpotentially pathogenic bacteria from thePseudomonadaceae, Rhodobacteraceae andVibrionaceae. Sargassum genotypes S. natans I, S. natans VIII and S. fluitans III contained similar microbial families, but relative abundances and diversity varied. LEfSEanalyses further indicated biomarker genera that were indicative of Sargassum S. natans I/VIII and S. fluitans III. The holopelagic Sargassum microbiome showed biogeographic patterning with high relative abundances of Vibrio spp., but additional work is required to determine whether that represents health risks in coastal environments. Our study informs coastal management policy, where the adverse sanitary effects of stranded Sargassum might impact the health of coastal ecosystems.</p