Sentences with phrase «on seabird»

discover the environmental influence on seabird populations across the Southern Ocean and in Commonwealth Bay

Stephanie Jenouvrier Assistant Scientist, Woods Hole Oceanographic Institute Specialties: Understanding and predicting the effect of climate change on seabird populations, especially in the Southern Ocean

At Anacapa, introduced black rats preyed heavily on seabird eggs and chicks severely depleting populations of Scripps's murrelets.

She graduated with a bachelor's in biology from Yale University and received a doctorate in ecology and evolutionary biology and a master's in ocean sciences from the University of California, Santa Cruz, where she examined the effects of ocean climate change on seabird populations.

«What we're seeing is probably a very transient effect on these seabird populations,» he says.

The team also gathered data on seabird and fish populations that feed in the sea and then come onto land — like ocean - going salmon that move up rivers to defecate, spawn, and die.

A scientist investigating coconut crabs in a remote Indian Ocean archipelago found evidence that the crabs, the world's largest terrestrial invertebrates, make terrifying sneak attacks on seabirds.

Forcing vessels to land fish which are currently discarded leads to adverse effects on seabirds and marine mammals — and on seabed animals — but without any improvements in fish stocks, the study found.

The disappearing sea ice is bad news for both bears and seabirds, as hungry bears are raiding nests, and the increasing predation on seabirds will likely diminish their numbers.

«This paper ties it all together and shows a very clear relationship between the disappearance of sea ice and increasing predation intensity on seabirds,» says Andrew Derocher, a polar bear specialist and Arctic ecologist at the University of Alberta in Edmonton, Canada.

That study focused on seabirds, but now my co-authors and I have found that plastic trash has a similar effect on anchovies — a critical part of ocean food chains.

Bill has conducted a number of «plankton to predator» studies in the California Current large marine ecosystem, and has written about climate effects on seabirds, marine mammals and fish.

Adverse effects on seabirds, fish and marine mammals are not believed to be significant, Faulkner said.

Not exact matches

From the late 1960s through the early»70s, the denizens of this tiny Pacific island were the wealthiest people on the planet per capita, due to the dense and valuable guano deposits left on the island by fish - eating seabirds over a period of eons.

If someone offered you the chance to spend a year on an isolated, windy island alongside millions of penguins and seabirds would you take it?

The resulting data is used to compare relative abundance of seabirds over time — to help us understand populations within the sanctuary and their possible impacts on local ecosystems and as a barometer for other changes in the environment.

Come to Joppa on April 11 for a lecture by Ann - Marie Runfola about the Stellwagen Sanctuary Seabird Stewards (S4) Program, an inspiring citizen science initiative that monitors seabirds off the coast of Massachusetts.

The coastal areas where thick with a variety of seabirds and other waterbirds, some northward bound to boreal or Arctic breeding grounds, and others already established on their home turf.

Additional presentations will range from the navigational challenges seabirds confront within the «hook» of Cape Cod Bay and how to identify Massachusetts species to habitat issues on the continental shelf and across the Gulf of Maine.

Located on a peninsula near the historic Eastern Point Lighthouse, the small sanctuary is a hot spot for butterflies and seabirds at particular times of the year.

Then they got busy feasting on the eggs of the island's ground - nesting seabirds and multiplying, until the spot earned the name Rat Island.

The growing abundance of these jelly - feeding gobies now serves to provide sustenance to the predators that formerly feasted on the sardines, such as seabirds, larger fishes and, ultimately, humans.

Research in families of wild seabirds reveals for the first time how parasite infection in some can have a serious effect on how well their relatives do.

Unlike other long - distance travelling seabirds like albatrosses, frigatebirds» feathers lack waterproof oil so they can't take a break on the sea.

Mark Laidre caught part of this crab attack on film but didn't have the heart to turn the camera on later, when five crabs tore the seabird apart.

A fun experiment with hundreds of plastic ducks on a beach shows that AI trained on drone photos could seriously improve seabird colony counts

At the interactive, hands - on training session you will learn how seabirds, and particularly beached birds, fit into marine conservation, be introduced to bird identification using Beached Birds: A COASST Field Guide, have the opportunity to try out your ID skills, and learn everything you need to know about how to conduct a COASST survey.

«Aging gracefully: Diving seabirds shed light on declines with age.»

«By understanding how seabirds can cope with high metabolic demands with no effect on longevity, we may learn how old humans can reduce their chance of being impacted by metabolic diseases.»

Ryan's research focuses on algal blooms, the rapid and dense growths of plankton that can starve marine organisms of oxygen and cause hypothermia in seabirds.

Not to mention the death of wildlife, particularly seabirds that mistakenly feast on discarded plastic.

They include kelp flies, which feast on decaying algae, and other insects which feed on washed - up carcasses of fish, marine mammals and seabirds.

Professor Heath said: «Wildlife everywhere capitalizes on waste from human activity, and discarded fish are food for a wide range of seabirds, marine mammals, seabed animals and other fish.

Spiked plastic roofs for the mesocosms prevent seabirds from landing on them.

But it's different for endangered seabirds called roseate terns, according to research presented here on 7 August at the annual meeting of the Ecological Society of America.

Besides the coast of Argentina, Magellanic penguins also breed on the Chile - side of South America and in the Falkand (Malvinas) Islands, breeding ranges they share with some 60 other seabird species.

Roughly the size of a starling, the little auk is a seabird that feasts almost entirely on tiny zooplankton.

So researchers turned to two different estimation methods — one whereby total mortalities were estimated from the actual number of dead birds recovered, and another in which information on the geographic extent of the oil slick and seabird densities were used to estimate potential mortalities.

Simon Foster, lead author on the paper, said «The Canna seabird study is one of the longest running annual studies in the world.

Seabirds, which reflect the health of their marine ecosystems, often build their nests in inaccessible areas — wedged into vertical cliffs or on remote islands battered by intense waves.

The Ashy Storm - Petrel, a tiny, dark - gray seabird, nests on 11 rocky, isolated islands in the Pacific Ocean off the coasts of California and Mexico.

In 2010, after seeing crude oil hemorrhaging from the floor of the Gulf of Mexico, fish and seabirds marinating in black sludge, and Big Oil on the public pillory, the notion of gouging the deep ocean floor for fossil fuels seems reckless, if not criminal.

The findings demonstrate the widespread reliance of seabirds on small forage fish, she says.

Obama will visit the protected area on Sept. 1 to draw attention to the threat that climate change poses to oceans, traveling to Midway Atoll - a remote coral reef that was the site of a pivotal World War Two battle and is now known for its sea turtles, monk seals, and millions of seabirds.

These giant seabirds — all of them extinct and all the size of today's albatrosses or larger — ranged worldwide, because their fossils have been found on all continents.

Christmas Island frigatebird (Fregata andrewsi) This fork - tailed seabird, pictured, has just one breeding colony on cyclone - prone Christmas Island.

«Estimating exactly how many birds nest on a cliff is not very precise» admits Oppel, but the sound recordings provide a very valuable index of how large seabird colonies are.

They feed on the bottom of the food chain — on single - celled plankton, which larger fish can not eat — and then they become prey for all sorts of upper - level predators like tuna, sea bass and halibut as well as seabirds and marine mammals.

Although researchers have known for decades that many seabirds are in trouble, it is surprisingly hard to put a number on how fast populations decline.

This small mammal has the ability to affect vegetation and seabirds on these islands and was introduced across much of this region as part of the historic fox farming industry.