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Article
Open AccessScreening protocol for freshwater filamentous macroalgae bioremediation of primary municipal wastewater
A screening protocol was developed and applied to isolate and select cultivars of freshwater filamentous macroalgae for year-round monoculture cultivation and nutrient bioremediation of primary municipal waste...
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Article
Open AccessEarly hatchery protocols for tetrasporogenesis of the antimethanogenic seaweed Asparagopsis armata
The red alga Asparagopsis armata is an emerging aquaculture-target species due to its application as an antimethanogenic feed ingredient in ruminants, yet information on A. armata reproduction and cultivation is ...
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Article
Open AccessHigh spatial and temporal variation in biomass composition of the novel aquaculture target Ecklonia radiata
The biomass composition of kelp varies within species both spatially and temporally. However, this variation in biomass quality has not yet been investigated for the native kelp Ecklonia radiata within New Zealan...
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Article
Open AccessOptimising the zoospore release, germination, development of gametophytes and formation of sporophytes of Ecklonia radiata
The kelp Ecklonia radiata has become a target for controlled cultivation. However, to date there are no standardised protocols for the hatchery stage of this species that result in high rates of germination, game...
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Article
In Vitro Response of Rumen Microbiota to the Antimethanogenic Red Macroalga Asparagopsis taxiformis
The red macroalga Asparagopsis taxiformis has been shown to significantly decrease methane production by rumen microbial communities. This has been attributed to the bioaccumulation of halogenated methane analogu...
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Article
The effects of processing on the in vitro antimethanogenic capacity and concentration of secondary metabolites of Asparagopsis taxiformis
The macroalga Asparagopsis taxiformis is an effective antimethanogen in ruminants due to the presence of bromoform. To date, research on the effects of A. taxiformis on methanogenesis has used freeze-dried materi...
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Article
Within-species and temperature-related variation in the growth and natural products of the red alga Asparagopsis taxiformis
The red algal genus Asparagopsis (Bonnemaisoniaceae) is a significant resource for bioactive natural products. However, prior to domestication for commercial production, we need to understand the potential variat...
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Article
The yield and quality of multiple harvests of filamentous Ulva tepida
Species of the genus Ulva are used for human consumption due to their nutritional qualities and we assess a new filamentous species, Ulva tepida. A critical step is to quantify the yield and quality of biomass ov...
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Article
Identification of bioactives from the red seaweed Asparagopsis taxiformis that promote antimethanogenic activity in vitro
Asparagopsis taxiformis has potent antimethanogenic activity as a feed supplement at 2 % of organic matter in in vitro bioassays. This study identified the main bioactive natural products...
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Article
Salinity tolerance of four freshwater microalgal species and the effects of salinity and nutrient limitation on biochemical profiles
Microalgae are ideal candidates for bioremediation and biotechnological applications. However, salinity and nutrient resource availability vary seasonally and between cultivation sites, potentially impacting o...
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Article
Dose-response effects of Asparagopsis taxiformis and Oedogonium sp. on in vitro fermentation and methane production
This study aimed to identify the optimal doses of the macroalgae Asparagopsis taxiformis and Oedogonium sp., individually and in combination, which would decrease the in vitro production of methane while minimizi...
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Article
The intensive land-based production of the green seaweeds Derbesia tenuissima and Ulva ohnoi: biomass and bioproducts
The green seaweeds Derbesia tenuissima and Ulva ohnoi were assessed comparatively for yields of biomass and bioproducts (fatty acids, soluble fibres and amino acids) under controlled land-based culture over 6 mon...
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Article
The potential of macroalgae for beef production systems in Northern Australia
The extensive grazing systems across northern Australia support approximately 50 % of the national beef herd. Livestock productivity is affected by seasonal variation in pasture quality and quantity. Intensify...
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Article
Spatial, seasonal, and within-plant variation in total fatty acid content and composition in the brown seaweeds Dictyota bartayresii and Dictyopteris australis (Dictyotales, Phaeophyceae)
We investigated the spatial, seasonal, and within-plant variation in total fatty acids (TFA) and fatty acid (FA) composition in the brown seaweeds Dictyota bartayresii sampled from Nelly Bay, Orpheus Island, and ...
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Article
Seasonal and within-plant variation in fatty acid content and composition in the brown seaweed Spatoglossum macrodontum (Dictyotales, Phaeophyceae)
We investigated seasonal and within-plant variation in total fatty acids (TFAs) and biomass increase in the tropical brown seaweed Spatoglossum macrodontum which was sampled from Magnetic Island (Queensland, Aust...
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Article
Comparative production and nutritional value of “sea grapes” — the tropical green seaweeds Caulerpa lentillifera and C. racemosa
“Sea grapes” is a collective term for the edible varieties of the green seaweed genus Caulerpa. Here we conduct comparative analyses of the biomass productivities and biochemical properties of C. lentillifera and...
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Article
Biomass, Lipid and Fatty Acid Production in Large-Scale Cultures of the Marine Macroalga Derbesia tenuissima (Chlorophyta)
Biomass productivity was quantified for the marine macroalga Derbesia tenuissima cultivated outdoors at seven stocking densities from 0.25 to 8 g L−1 for 5 weeks. Total lipids and fatty acid quantity and quality ...
