A couple of new papers have now been published on the energy return on investment (EROI) of algae - based bioenergy when coupled to a wastewater treatment plant (Energy Return on Investment
for Algal Biofuel Production Coupled with Wastewater Treatment: http://www.ingentaconnect.com/content/wef/wer/2012/00000084/00000009/art00002).
«Overall, this report from EBI is the most comprehensive survey to date that we've seen on the economics, and technical challenges
for algal fuels.»
In fact, the authors wrote, if not
for the algal munching of these grazers, algae could blanket the seagrasses, blocking out sunlight and preventing them from photosynthesizing, which would ultimately kill the seagrasses.
Karl Deisseroth of Stanford University, and colleagues, inserted into mice the gene which codes
for the algal protein ChR2, which caused the protein to attach itself to the surface of nerve cells.
Analyzing sensor data and field measurements, Cohen and his students have found new clues
for the algal abundance, such as declining concentrations of dissolved oxygen and the role of snails in keeping springs clear.
It's clearly an entry
for the algal - book - of - records.
These symbiont algae produce sugars that contribute to the diet of the coral in return for shelter and nutrients that are vital
for algal growth.
But
for algal biofuels to compete with petroleum, farming algae has to become less expensive.
This will reveal the potential of algae in a CO2 capture, best applications
for algal biomass and how well algae could be grown in industrial waste water.
The authors find that the main barriers to large - scale deployment of both macro - and micro-algae, include high demands of key resources
for algal growth (such as nutrients, water and CO ₂), difficulty in maintaining selected species with high productivity content in outdoor culture, as well as high energy requirements and costs of algal production and conversion into biofuels.
Researchers monitoring San Francisco Bay
for algal toxins have found a surprising array of different toxins in the water and in mussels collected from the bay.
Not exact matches
Not bad, better than a lot of matcha, but
for me, too much of the vegetal overtones hiding the mossy /
algal / herbacious overtones i prefer.
In the Murray catchment, there are long standing arrangements between Basin state governments
for handling
algal bloom outbreaks.
Blooms can persist
for as long as the favourable conditions remain in place — so good rain, cooler weather or less sunshine will reduce blue - green
algal blooms over time.
The Commonwealth Environmental Water Holder is investigating whether there are opportunities to use the limited volumes of environmental water available to provide refuge habitat
for aquatic species (particularly if the decay of the
algal bloom leads to low oxygen levels in the waterways).
Each state government has extensive monitoring arrangements in place to detect and measure algae, as well as comprehensive emergency plans
for dealing with
algal blooms.
With this approval, TerraVia has successfully achieved regulatory approval
for its portfolio of AlgaVia ® Whole Algae Ingredients — including AlgaVia ® Whole
Algal Protein and AlgaVia ® Whole
Algal Flour —
for food use across North America.
TerraVia, a plant - based food, nutrition and specialty ingredients company, announced that Health Canada issued an approval
for its Whole
Algal Protein ingredient
for food use in Canada.
We are developing novel seed, leaf and
algal - based materials
for more intensive and efficient production of plant oils
for both industrial and nutritional uses.
If you are exclusively breastfeeding
for the first 6 months, remember to continue supplementing DHA (with fish or
algal oil) throughout lactation.
New York's new budget sets aside money to combat harmful
algal blooms that have closed some of the state's lakes and threatened the municipalities that use them
for drinking water.
Cuomo is celebrating the installation of treatment systems that aim to prevent
algal toxins from entering the drinking water supplies
for the city of Auburn and town of Owasco.
Gov. Andrew Cuomo is celebrating the installation of treatment systems that aim to prevent
algal toxins from entering the drinking water supplies
for the city of Auburn and town of Owasco.
Harmful
algal blooms have been present in Owasco Lake
for years.
Nitrogen from human waste has been blamed
for feeding
algal blooms that have led to closed beaches and shellfishing areas in creeks and bays across the county.
For the second time this month, the Cayuga County Health Department closed the bathing beach at Wells College Dock due to the presence of potential harmful
algal blooms.
AUBURN, N.Y. —
For the second time this month, the Cayuga County Health Department closed the bathing beach at Wells College Dock due to the presence of potential harmful
algal blooms.
US Senator Chuck Schumer is pushing
for more money to fight toxic
algal blooms in upstate New York lakes.
Ongoing funds
for the $ 2.5 billion Clean Water Infrastructure Act and $ 65 million to combat
algal blooms in upstate lakes — including Lake Champlain — have also been included.
Key environmental issues include $ 300 million
for the Environmental Protection Fund, an ongoing investment in funds
for clean drinking water and infrastructure and $ 65 million to combat
algal blooms statewide.
At 11 a.m., Toxics Targeting Inc. holds a news conference releasing photos of
algal blooms threatening the sources of public drinking water
for residents of Syracuse, Auburn, Rochester, Ithaca and other communities across New York, state Capitol, third floor, adjoining to the LCA Press Room, Albany.
Blaming excess nitrogen in area waters
for causing harmful
algal blooms, fish kills and beach closures, a panel of scientists and experts said Suffolk County should upgrade septic systems, launch buoys to monitor water quality and use imaging to predict problem spots.
«I would like to see more done to clean our lakes
for drinking water and recreation, including preventing the dangerous
algal blooms,» she said.
«In the short term, the weather forecast is indicative of conditions that the blooms can thrive in,» said Rebecca Gorney, the state Department of Environmental Conservation's program coordinator
for harmful
algal blooms.
BAD HAB - ITS: Lake Erie's harmful
algal blooms (HABs) are a growing problem
for its ecosystem.
While the extra nitrogen is a rich resource
for algae in the Gulf, driving the growth of massive
algal blooms, excess nitrogen has a more deadly impact on other marine life.
Since the
algal species is native to eastern Canada, its recent blooms and rapid proliferation in rivers since 2006 — which have angered anglers looking
for pristine waters — have been caused by an environmental trigger, with climate change a likely culprit, said Michelle Lavery, a master's degree student at the Canadian Rivers Institute and lead author of the research, published in theCanadian Journal of Fisheries and Aquatic Sciences.
But last week, at the annual meeting of the Society
for Vertebrate Paleontology in Calgary, Canada, a team of scientists suggested a different killer: harmful
algal blooms in the very water that had lured the animals.
From sunshades to
algal blooms, there are plenty of ideas
for cooling the planet.
Hawaii even has an ongoing effort to turn ocean thermal energy conversion technology into a reality, as well as an actual
algal agriculture industry — the algae are largely grown
for nutraceutical purposes but have also been turned into jet fuel on the mainland by UOP.
The new study by Stefanie Lutz, postdoc at the German Research Centre
for Geosciences GFZ and at the University of Leeds, shows a 13 per cent reduction of the albedo over the course of one melting season caused by red - pigmented snow
algal blooms.
The same is true
for other forms of transportation fuel, whether corn ethanol
for cars or
algal oil to power ships.
It also completely removes funds
for the Great Lakes Restoration Initiative, a program devoted to cleaning toxic contamination as well as other problems including invasive species and harmful
algal blooms in the Great Lakes.
Algal biomass is suitable
for biofertilisers.
The long - term geological record reveals an early Cenozoic warm climate that supported smaller polar ecosystems, few coral -
algal reefs, expanded shallow - water platforms, longer food chains with less energy
for top predators, and a less oxygenated ocean than today.
These outbursts of
algal exuberance sometimes have a dark side: Algal toxins have been blamed for everything from fish kills in North Carolina to a manatee massacre in Florida to the 1987 deaths of four Canadians who consumed tainted mus
algal exuberance sometimes have a dark side:
Algal toxins have been blamed for everything from fish kills in North Carolina to a manatee massacre in Florida to the 1987 deaths of four Canadians who consumed tainted mus
Algal toxins have been blamed
for everything from fish kills in North Carolina to a manatee massacre in Florida to the 1987 deaths of four Canadians who consumed tainted mussels.
A comparison of the performance associated to the
algal biofuels pathways with that found
for conventional fossil fuels is also reported.
It would help scientists better understand clouds and carbon dioxide exchange between ocean and air, monitor air quality, improve forecasts
for harmful
algal blooms, and more.
For years scientists have known that nitrogen and phosphorus, which commonly enter freshwater lakes in chemical fertilizers, play a role in eutrophication — the process by which
algal blooms, turbidity, and oxygen deficiencies turn a lake into a dead zone, largely devoid of animal life.
They found that it was consistent with
algal blooms from 2012 and 2013 except
for one thing — the Microcystis cells had a viral infection.