LaPointe is in the second year of a three-year NASA grant to study how nutrients are changing in the sargassum. Another possible source of the proliferation, which Wang and LaPointe both said is a hypothesis, is that Saharan dust is contributing to sargassum growth by raining down particles of phosphorous. Courtesy, Optical Oceanography Lab. The seaweed bloom floats in from the ocean and forms on the beach. LaPointe thinks the big blooms are happening because of extra nitrogen feeding the plants.
This is not good news for turtle hatchlings. The mats can block off sunlight, causing die-offs of fish and other creatures. Seaweeds, a loose term that refers to macroscopic marine algae of many genera, can be collected where they grow—as commercial harvesters, divers, and those fortunate to live by tidal inlets shallow enough at low tide to allow it are wont to do. In that case there are sustainability guidelines to adhere to—like cutting seaweed fronds above the holdfast, the root-like structure that attaches to the substrate below, leaving portions of the frond so the plant can photosynthesize, and spacing out the harvest so as not to denude a particular spot.
On that front, Maine Seaweed Council [PDF] has species-specific sustainability guidelines for collecting seaweed in situ in the northeastern United States. Some foraging authors write that seaweed can be collected where it washes up on the beach. In Hunt, Gather, Cook , Hank Shaw recommends gathering kelp off the sand at low tide, or combing the beach after strong full-moon tides.
Although I later heard a different opinion on that topic from Dr. I took samples of three easily recognized seaweeds. First was sea lettuce. This distinctive seaweed is bright and translucent green, making it look like a sheet of cellophane, often with holes it. There is a lot of confusion about sea lettuce, Yarish noted. Many people assume that all similar-looking sea lettuces are Ulva lactuca , when in fact there are numerous species that look similar and have similar edibility characteristics but are different on a cellular level.
In Long Island Sound, for example, he said the most common species is Ulva rigida , which grows primarily in late spring, summer, and fall. But there is also an invasive Ulva from Asia that has more holes in it than the native species. To differentiate them, he said they need to be examined under a microscope.
I did not take any icky-looking, discolored, dried out, or sand-clogged pieces of sea lettuce that had washed ashore. Instead I traipsed thigh-deep in the waves, gathering just the healthiest looking specimens floating in the surf.
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Tacoma, Washington , United States. Review of Delray Municipal Beach. Date of experience: July See all reviews. Quick View. More Info. Boca Raton Inshore Fishing Trip. Reviews Write a review. Filter reviews. Traveler rating. Excellent Very good Average Email Address.
How Can I Help You? I am interested in a charter I have questions about your tour I would like to collaborate Other type of question. Have additional questions? Facebook Instagram. Book Your Tour Now.The SURF RAKE excels at removing large amounts of seaweed in both wet sand areas, where the ocean deposits seaweed on a daily basis, and thick piles of dried sea grass farther up on the beach. Whereas sifting beach cleaners quickly become clogged and ineffective, the SURF RAKE utilizes an enviro-friendly top-down cleaning method. Using its tine.