Sentences with phrase «sea urchins»

Sea otters are recovering in key areas of southern and central California, and through their role as an apex predator they are helping to restore ecosystem health by keeping populations of sea urchins in check and preying on invasive species, for example.

The stunting effect of a high CO2 ocean on calcification and development in sea urchin larvae, a synthesis from the tropics to the poles

Michael Russell at Villanova University in Pennsylvania and his colleagues studied purple sea urchins from the west coast of North America.

You will then carry out a virtual lab — the Virtual Urchin — to study the effect of a more acidic seawater pH on sea urchin larvae.

A diver scouting for sea urchins in the waters off San Miguel Island was killed Friday in an attack by what was believed to be a great white shark — the state's first confirmed death from a shark attack in nearly six years.

[76] Reintroduction of sea otters to British Columbia has led to a dramatic improvement in the health of coastal ecosystems, [77] and similar changes have been observed as sea otter populations recovered in the Aleutian and Commander Islands and the Big Sur coast of California [65] However, some kelp forest ecosystems in California have also thrived without sea otters, with sea urchin populations apparently controlled by other factors.

Unlike hydroxyapatite, the scaffolds made from sea urchin spines could be cut and drilled to a specified shape and size.

A thin section of sea urchin spine reveals this structural principle: crystalline blocks in an orderly structure are surrounded by a softer amorphous area.

Recent studies have shown that biological materials, such as sea urchin spines, have promise as bone scaffolds because of their porosity and strength.

Notable dishes include sea urchin pasta, but what really puts this restaurant on the culinary map are its pizzas, a combination of new and old world Italian cooking.

Reintroduction of sea otters to British Columbia has led to a dramatic improvement in the health of coastal ecosystems, [143] and similar changes have been observed as sea otter populations recovered in the Aleutian and Commander Islands and the Big Sur coast of California [144] However, some kelp forest ecosystems in California have also thrived without sea otters, with sea urchin populations apparently controlled by other factors.

At Umi Sushi & Oyster Bar, he has already made an impression by bringing new items such as live spiny sea urchin and raw scallops to the menu.

It is important to wear goggles and aqua shoes when swimming to avoid getting stung by sea urchins, jellyfish or stonefish.

She's standing beside me while I type, showing me her «absolute favourites» and thanking me for having sourced a little chunk of sea urchin shell, because she'd «really been wanting some of that».

In 1914 Boveri observed that sea urchin embryos with abnormal amounts of chromosomal material, a condition called aneuploidy, looked cancerous.

The scientists are planning future studies to identify why short - lived sea urchins experience negligible senescence, and, in particular, the role of the immune system in maintaining youthful function into old age.

I went to Woods Hole so as to be able to work on sea urchin eggs, as by then we had a good understanding of our reticulocyte system.

Scientific research has shown that both oxybenzone and octinoxate destroy coral by absorbing its nutrients, affecting coral - dependent marine life like sea urchins and algae.

Researchers from Sweden and Germany have studied the larval stage of green sea urchins Strongylocentrotus droebachiensis.

Studies on sea urchins provided the missing link because they have a protein with elements common to those in both humans and insects and reveal a common ancestry hundreds of millions of years ago.

«Despite their alien looking shape sea urchins are comparatively close relatives of humans, certainly much closer than insects.

The researchers suggest that legalizing the fishing of pink sea urchin as a bycatch to the prawn fishery could allow prawn fishers to sell the urchins they already catch, rather than throwing them back.

At first, these spicules are nothing more than chalk, but when combined with sea urchin proteins, they form tiny stacks of «bricks,» creating a structure that provides some of the toughest defense against predators and harsh ocean conditions.

Recently, though, black sea urchins have begun returning to the Bay of Pigs and elsewhere.

They crack into sea urchins by dropping them from heights onto the rocks.

For instance, in a small side room, US artist Dario Robleto's Setlists for a Setting Sun (The Crystal Palace)(2014) and The Sky, Once Choked with Stars, Will Slowly Darken (2011) are comprised of, among other minerals and objects, sea urchin teeth, homemade crystals, glass domes, audio recordings and mica flakes (which can be found in the mountains of New Mexico).

Otters eat sea urchins, which eat kelp, and the three organisms achieve a stability — until people start eating otters and hunting them for their fur.

Animals such as the red sea urchin, spiny lobster and rock crab are just a few of the species that are fished at the Channel Islands.

While larger invertebrates and in particular sea urchins Strongylocentrotus droebachiensis (O.F. Müller) are important secondary consumers controlling large barren ground areas on the Norwegian coast, they are scarce inside dense kelp forests.

Similar transgenerational phenotypic resilience to increased temperature has also been shown for sea urchins [107,108].

And the radiating shape of sea urchins show us how to minimize the distance of transporting materials from a central location.

While snorkeling, many of our guests spot turtles, coral, octopus, fish of all kinds, and the colorful Slate - Pencil Sea Urchin.

Sea urchins graze on the lower stems of kelp, causing the kelp to drift away and die.

The researchers at Queen Mary University of London, led by Professor Maurice Elphick, were investigating whether a particular sea urchin neuropeptide was an evolutionary link between neuropeptides in humans and insects.

Not sure I can eat too much more sea urchin though — it's very intense.

You could make a meal here out of the fresh pastas: squid ink shells with sea urchin butter or tagliatelle made with spent grains from a local brewery.

Where algae once bloomed, corals and sea urchins took over.

That is a clue to anyone who studies the distribution of organisms on Earth that there might be something different going on there,» says Rich Mooi, the Curator of Invertebrate Zoology and Geology at the Academy and a specialist in sea urchins who took part in the expedition.

Early results showed that bottom - dwelling creatures such as sea cucumbers and sea urchins died if they were close to a CO2 corral, and organisms in the sediments declined.

A new study suggests that an aggressive reef competitor — the Threespot Damselfish — may have impeded the recovery of Caribbean long - spined sea urchin populations after a mysterious disease outbreak caused a massive die - off of these animals over three decades ago.

Sea urchins don't have anything that people recognize as an eye, says Sönke Johnsen of Duke University.

In areas without otters Estes found herbivorous sea urchins thickly carpeting the ocean floor — and no kelp.