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Topic: Sea lettuce


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In the News (Sat 12 Dec 09)

  
  Maine Coast Sea Vegetables - Products
Sea lettuce is the "salad greens" of the sea vegetables.
It is a leafy, vibrant dark green, with a distinctive flavor and aroma.
Sea lettuce is used worldwide in soups and roasted for garnishes.
www.seaveg.com /products.php   (931 words)

  
  Sunbathing Sea Slugs That Steal The Ways To Use The Rays by William Capman, Ph.D. - Reefkeeping.com
Though lettuce sea slugs are remarkably good at keeping the chloroplasts alive and functional, to maintain their solar collector arrays, lettuce sea slugs suck the cytoplasm from algae on a regular basis (www.seaslugforum.net).
Lettuce sea slugs are often erroneously referred to as lettuce nudibranchs, but in fact they belong to a different order of gastropods, the Sacoglossa, than the true nudibranchs, which are in the order Nudibranchia.
The lettuce sea slug and other members of its family are not alone in their habit of gaining extra functionality by using cellular structures stolen from the organisms they eat.
www.reefkeeping.com /issues/2002-06/bcap/feature   (4782 words)

  
 Sea Lettuce
Sea lettuce is commonly observed on Rhode Island's shoreline, both free-floating and attached.
Sea lettuce is a bright green algae composed of lobed, ruffle-edged leaves that are coarse and sheet-like and resemble a leaf of lettuce.
Sea lettuce may be found attached to rocks and shells by a holdfast, but it is also commonly found free floating.
www.edc.uri.edu /restoration/html/gallery/plants/sea.htm   (405 words)

  
 Organic Sea Lettuce Dietary Supplement | Sea Lettuce Sea Vegetable | Maine Coast Sea Lettuce
Sea Lettuce is a sea vegetable belonging to the green marine algae family.
Sea lettuce is a delicate green plant that resembles actual lettuce and is harvested in the tide pools off the coast of Maine.
Sea lettuce harvesting takes place off the coast of Maine in the spring, and can be a daunting and even dangerous task.
www.potentsea.com /sealettuce.html   (415 words)

  
 Sea Lettuce In The Estuary - Our Environment: Issue 26 Autumn 2001
Sea lettuce is the bright green algae that grow around the world in sheltered rocky coasts and in estuaries.
Their answers indicated that complete removal of the wastewater from the estuary would reduce sea lettuce by up to 50 per cent in some high- growth locations, but overall the reduction would be only about 20 per cent.
They also concluded that there would still be the potential for significant growth of sea lettuce with complete removal of the wastewater and large reduction in nutrient loads from the two rivers.
archived.ccc.govt.nz /OurEnvironment/26/seaLettuceInTheEstuary.asp   (416 words)

  
 The Search for Freedom
As seasonal weather patterns have remained unchanged the significant increase in sea lettuce spring growth rates must be attributable to an increase in nutrient levels.
Sea lettuce is but one example of the disregard that has prevailed both within this country, and upon this planet for the natural health of the waterways.
Sea lettuce is a bright green marine macro algae found around the world on rocks along sheltered rocky coasts and in shallow estuaries.
www.omplace.com /omsites/freedom/matua.htm   (588 words)

  
 Three Bays Preservation -Programs and projects protecting Cape Cod
The rampant growth of sea lettuce in North Bay, Warrens Cove and Prince Cove, and its harmful effects on aquatic biota and shorelines continues to be a major concern of many of our members.
Decaying sea lettuce and other undesirable algae deposited on shore are not only unsightly but also create obnoxious odors and breed large quantities of undesirable flying insects.
One scientific study has shown that sea lettuce "is detrimental to estuarine invertebrates due to the production of toxic exudates and low oxygen tensions which occur in the seaweed beds at night".
www.3bays.org /sea-lettuce.html   (356 words)

  
 Maine Coast Sea Vegetables - FAQ/Basic Info
Because sea vegetables are as low on the scientific research priority list as they are on the food chain, we have to infer in part from studies of other food groups, as well as use our native intelligence and intuition.
Sea vegetables contain a wide array of major minerals and trace elements, including lead, cadmium, arsenic, aluminum, zinc, chromium and many more.
Vegetation absorbs the mineral from the soil (or in the case of sea vegetables, from the ocean) and transforms it into one of many forms of organic or colloidal arsenic.
www.seaveg.com /faq6.php   (1291 words)

  
 Year of the sea hares   (Site not responding. Last check: )
During a period of calm weather, this large sea hare was found eating the green leaves of the sea lettuce, which grows close to the surface in a rather wave-washed zone (visible in the background).
Hairy sea hares live from detritus, the dead bodies of plankton plants and animals, that have sunk to the soft bottom on which they graze.
A voracious feeder on sea lettuce, it can in some years be found in large numbers in the rock pools of Island Bay.
www.seafriends.org.nz /indepth/nd006.htm   (1165 words)

  
 Sea Lettuce - Chesapeake Bay Program
Ulva lactuca, or sea lettuce, is a widespread macroalgae occurring at all levels of the intertidal zone, and in northern climates also is found in brackish habitats in the sublittoral zone.
In areas that do become infested with sea lettuce, these algaflora can virtually clog the waterway, depriving it of oxygen, causing the algae to die off and release yet greater quantities of nitrogen into the water column.
Sea lettuce grows along rocky or sandy coasts of oceans and estuaries.
www.chesapeakebay.net /info/sea_lettuce.cfm   (723 words)

  
 Mud Flats: Surface Mud Dwellers   (Site not responding. Last check: )
Several types of algae (sea lettuce, mermaids hair, and sea spaghetti) are easily seen while microscopic forms create a green-golden sheen on the mud flats.
Sea lettuce, Ulva expansa, is a type of sea lettuce that can continue growing when a piece is broken and free-floating in quiet waters.
Sea spaghetti, Gracilariopsis sjoestedtii, grows half-buried in the mud and is a common food for many of the mud flat herbivores.
www.biosbcc.net /ocean/marinesci/03ecology/mfsurface.htm   (824 words)

  
 WA Sea Lettuce Project an Australian First Media Release 30 July 1998
Cleaner seas should be the result of a Natural Heritage Trust project to trial cultivating sea lettuce on abalone farms to reduce biological waste in effluent.
The $122,950 sea lettuce cultivation project is also expected to reduce pressure on wild stocks of seaweed and will have uses in other areas of agriculture besides abalone farming.
The sea lettuce project is one of 13 Natural Heritage Trust projects for Western Australia announced today by Federal Environment Minister Robert Hill during a visit to the Fremantle Maritime Centre.
www.environment.gov.au /minister/env/98/mr30jul98.html   (560 words)

  
 Sea lettuce no picnic for Mount residents - 24 Jan 2007 - NZ Herald: New Zealand National news
Sea lettuce has washed up in thick patches, some up to a kilometre long, on the Mount beaches in the past few days.
Sea lettuce is eaten in some countries but ulva lactusa is not a recognised edible seaweed, although it has been used as compost.
Tauranga City Council said it was aware of the "unusual occurrences" of sea lettuce on the beaches and staff were monitoring the situation.
www.nzherald.co.nz /section/1/story.cfm?c_id=1&objectid=10420577   (608 words)

  
 Untitled
Sea Lettuce is a plant found on all but the most exposed rocky shores.
Sea Lettuce is found at all levels between high and low water mark, and in more northerly latitudes it is also found in shallow sea water.
The plant can live in fresh water mixed with sea water and can be found in some rivers where they run into the sea.
www.iol.ie /~stpatsk/science/sealife/sla09.htm   (209 words)

  
 Augsburg College Biology - Photo of Month - March 2002
This animal is commonly known as the lettuce sea slug, so named because when the animal is at rest the parapodia make this snail without a shell look a lot like a small head of ruffled lettuce.
The resemblance of the lettuce sea slug's parapodia to leaves is more than just a coincidence, since these structures, and indeed the entire surface of the animal, function somewhat like leaves.
The lettuce sea slug is not alone in its habit of gaining extra functionality using cellular structures stolen from the organisms it eats.
www.augsburg.edu /biology/photoofmonth/lettuceseaslug.html   (689 words)

  
 Sea Lettuce “a menace taking over PEI” « Upton Farm Preservation
Sea lettuce grows in nutrient rich waters and has a distinctly rotten egg odour when exposed to the air at low tide.
Sea lettuce growth can already be observed in the estuaries of the North River around the potential CLC megadevelopment at Upton Farm. Yellow signs posted by the Department of Fisheries warn that shellfish harvested there are toxic to humans.
We ignore the “menace” of sea lettuce growth to the peril of of both our fishing and tourist industries, the life blood of the PEI economy.
uptonfarm.wordpress.com /2007/10/14/sea-lettuce   (390 words)

  
 New Jersey Scuba Diver - Marine Biology - Seaweeds & Plants
Sea lettuce, a kind of green algae that conservationists say is a critical food supply for some wildfowl, covers large sections of the Navesink River Rumson.
The other sample, removed from an area free of sea lettuce, had brown scum on the surface that was "full of live animals," including tiny worms and shrimp-like creatures, the habitat biologist said.
Sea lettuce could be used as a fertilizer, eliminating some of the chemicals people put on their gardens and, lawns, and composting it would be "a great thing," Willner said.
njscuba.net /biology/sw_plants_etc.html   (3004 words)

  
 Remote Sensing for Coastal Management - Applied Uses - Managing a Nuisance Aquatic Plant
Ulva lactua, commonly known as sea lettuce, is a naturally occurring species of macroalgae in Delaware's Inland Bays that becomes a nuisance to recreation and environmental health during the summer months.
Decaying sea lettuce is easy to locate by its pungent odor and the fl oily film it leaves on the water's surface.
In the past, state-sponsored sea lettuce harvesters focused their removal efforts on areas with decaying algae – removing the algae after it became a nuisance.
www.csc.noaa.gov /crs/rs_apps/issues/sb_ulva.htm   (667 words)

  
 Sea Lettuce | MoreBeach.com | Lettuce, Comment, Comments, First, Often
Sea lettuce is a type of green seaweed found in oceans around the world.
Sea lettuce typically occurs in dense groups and, in some cases, floating free in the water.
In its dried form sea lettuce is often used as an outer wrap for many types of sushi.
www.morebeach.com /Sea_Creatures/North_Atlantic_Ocean/Sea_Lettuce.html   (211 words)

  
 Sea Lettuce Leaf : Maine Coast Sea Vegetables, Online Store
Sea lettuce is a deep green sea vegetable with a distinctive flavor and aroma.
Since our sea veggies are low temp dried in the sun, sea lettuce enzymes are still active.
The sustainable harvesting and handling of our sea lettuce is certified organic by OCIA and we voluntarily test for heavy metal, chemical, and microbiological contaminants.
www.seaveg.com /shop/index.php?main_page=product_info&cPath=12&products_id=11   (170 words)

  
 We dry and mill seaweeds for easy use. Just add it while preparing your meal.
The sea is close by and plays a central role in our lives, providing us with fish, mussels, cockles, shrimps and, of course, seaweed.
All our sea vegetables are harvested from the Atlantic in Coulagh Bay which is free from pollution and has no industry based around it.
The sea vegetables we use are Kelp or Laminaria, Palmatina or Dulse, Wild Nori, Irish moss, Ulva or Sea Lettuce and Rockweed.
www.seaweedireland.com /seaweedproducts.html   (316 words)

  
 City of Victoria - City Advises: Get Ready for the Return of the West Bay Sea Lettuce   (Site not responding. Last check: )
Over the last 20 years, the City of Victoria has recorded the seasonal accumulation of sea lettuce on the West Bay beaches, which creates an unpleasant odour for those residents and pedestrians in the area.
With the low tides and exposure to the hot summer sun, the sea lettuce dries out and on the next rising tide, is washed onto the shore where it continues to accumulate and rot in the sun.
When exposed to the sun for a prolonged period, the sea lettuce is bleached white and is often mistaken for toilet paper.
www.city.victoria.bc.ca /cityhall/pressroom_rel_040603.shtml   (372 words)

  
 sea lettuce - Encyclopedia.com   (Site not responding. Last check: )
sea lettuce common name for algal species of the genus Ulva.
Fisheries Research Agency Confirms Fermented Seaweed is Effective for Red Sea Bream Iridovirus Infection, Begins Testing Mass Fermentation Technology for Unused Seaweed.
Sea of greens: seafood salads make refreshing meals for sizzling summer days.
www.encyclopedia.com /doc/1E1-X-sealettu.html   (359 words)

  
 Open Directory - Home:Cooking:Fruits and Vegetables:Sea Vegetables
This area focuses on the selection, preparation, and cooking of sea vegetables, and recipes using sea vegetables in significant amounts.
Sea vegetables are edible plants, primarily seaweeds, that grow in or near the ocean.
Irish or carrageen moss (Chondrus crispus) is a red sea vegetable that grows along the North American Atlantic coast and the west coast of Ireland.
dmoz.org /Home/Cooking/Fruits_and_Vegetables/Sea_Vegetables/desc.html   (1128 words)

  
 Maine Coast Sea Vegetables - Home Page
Maine Coast Sea Vegetables was born in 1971 over a pot of miso soup in the kitchen of Linnette and Shep Erhart overlooking Hog Bay.
Sea Seasonings shakers were our first venture into ready-to-use products featuring ground sea vegetables offered plain or blended with spices and herbs.
Kelp and Garlic Sea Pickles, which have a loyal following in natural foods restaurants, are the only sea vegetable product on the market to be made with fresh, undried kelp.
www.seaveg.com   (521 words)

  
 The Use of Seaweed, Algae and Kelp in Dogs & Cats
Sea vegetables also have a high digestible protein level.
Brown algae (kelp, fucus) is the most nutritious of sea vegetables.
Green algae (sea lettuce) has a lower mineral content, but is an excellent source of iron.
www.peteducation.com /article.cfm?cls=0&cat=1448&articleid=1361   (223 words)

  
 Maine Coast Sea Vegetables - FAQ/Basic Info
Sea vegetables are wild ocean plants, or marine algae, enjoyed daily as staple and healing foods in many coastal parts of the world.
Popular American sea vegetables are Dulse, Kelp, Alaria, Laver, Bladderwrack and Sea Lettuce from the east coast, and Sea Palm from the west coast.
How can wild sea vegetables be "organic?" It's true that compared to land plants, we have little control over the growing conditions (growth environment) of our wild marine plants.
www.seaveg.com /faq5.php   (1135 words)

  
 dulse
A variety of dulse is cultivated in Nova Scotia and marketed as Sea Parsley, sold fresh in the produce section.
Sea lettuce grows in thin sheets up to 30cm (or 1') attached by a "holdfast" to exposed rocks or detached in tide pools.
Sea lettuce can be pressed in a plant press and mounted on cards or as a collage, mixed with other seaweeds or plants and flowers.
www.grandmanannb.com /dulse.htm   (1267 words)

  
 Sea lettuce - Ulva lactua: More Information - ARKive
Sea lettuce is a common green seaweed with a broad translucent frond (3) that is just 2 cell layers thick (2).
This seaweed has a rather ‘crumpled’ appearance and is reminiscent of a lettuce leaf, hence the common name (4).
The frond is typically bright green or dark green in colour with paler margins that are often white (2).
www.arkive.org /species/ARK/plants_and_algae/Ulva_lactua/more_info.html   (321 words)

  
 Britannica Online Service :: Search
any crinoid marine invertebrate (phylum Echinodermata) in which the adult is fixed to the sea bottom by a stalk.
Sea lions are characterized by a coat of...
any of certain species of red, green, and brown marine algae that generally are anchored to the sea bottom or...
www.britannica.co.kr /boltitles/s/s21.html   (1761 words)

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