Sentences with phrase «studied island populations»

Not exact matches

About 150 participants were given ridership numbers, performance data, Staten Island's population, historical traffic patterns and customer feedback from the MTA's Staten Island bus study to figure out ways to improve service.
There are 526,000 immigrants living on Long Island, making up 18 percent of the region's population and 20 percent of the economic output of Long Islanders, according to a study released today by the Fiscal Policy Institute, New Americans on Long Island: A Vital Fifth of the Economy.
In her State of the City speech last week, Council Speaker Melissa Mark - Viverito announced plans for a commission to study ways to shrink the population at Rikers Island — with the end goal of making the «dream» of closing down the city's jail compound a reality.
A new study says no traces of pesticides were found in lobsters collected in Long Island Sound in late 2014, boosting the belief that warming water temperatures is the main culprit in a huge lobster population decline.
The study looked at data from 9 of Canada's 10 provinces over 31 years from 1981 to 2011 (Prince Edward Island and the northern territories were not included because of insufficient data) to see if social and health care spending ratios were linked to population health status.
Eighty percent of a population of Burmese long - tailed macaques on an island in southern Thailand use stone and shell tools to crack open seafood, and do so using 17 different action patterns, according to a study published May 13, 2015 in the open - access journal PLOS ONE by Amanda Tan from Nanyang Technological University, Singapore, and colleagues, under an 8 year field project led by Michael D Gumert, also from NTU.
For the booming moose population of Isle Royale, a key species in the world's longest running predator - prey study on the island, skulls have shrunk by about 16 percent over a 40 - year period.
In this study, scientists evaluated high - resolution satellite imagery to track the distribution and abundance of polar bears on a small island in northern Canada in an attempt to develop a tool to monitor these difficult to reach populations.
As the wolves have died off on the island — only two remained during last year's winter study — the moose population has tripled in the past decade, reaching about 1,600 in the 2017 survey.
Drawing from six decades of data, the Isle Royale Winter Study will come out later this winter to document the impacts of population change in the island's ecosystem.
The study also shows that dispersing males connect the enigmatic brown bear population of the Alaskan ABC - islands to the North American mainland, and that the resulting movement of genes is substantial enough to maintain high genetic variability within this island population.
But in 1980 a team discovered 13 populations of the toad in the remote mountains of the island in Spain, providing a chance to study how the toads have survived the snakes.
During their study, the researchers also discovered a species on the island that may help control the brown widow population naturally: the parasitoid wasp known as Philolema latrodecti.
In a study published in 2013, Palumbi and his colleagues, including Daniel Barshis, a marine biologist at Stanford, compared two populations of the reef - building coral Acropora hyacinthus at their field site off Ofu Island in American Samoa.
«There could be populations of beavers moving around in the continent and in the islands we don't know anything about,» biologist Giorgia Graells, of the Institute of Patagonia at Magallanes University and lead author of the study, told Scientific American.
The study revealed no size difference between mainland and island populations.
The study suggests that the mainland populations survived on just a few rocky islands off the South Island's east coast.
We have ongoing bio-geography studies in the Philippines that look at live animals to see how the complexity of island populations evolves.
Wolf populations on the island, once numbering about 50, are at their lowest level since the study began in 1958.
Dr Fry's team studied the venom of 16 tiger snake populations from across Australia including five island populations in the Bass Strait, and venoms from 11 other snakes in related genera.
Studies from islands including Flores, Sri Lanka, and others suggest that early colonizers often coexisted with native fauna, perhaps because their populations were smaller and their technology simpler, or because they did not introduce invasive species such as rats and dogs.
The ZooKeys article describes the first study of the behavior, diet, and conservation status of this flying fox, finding that the Mortlock Islands support a small population of 900 to 1200 bats scattered across a land surface of only 12 km2 (4.6 square miles).
The people of St. Lawrence Island have levels of PCBs in their blood about four times higher than the average U.S. population, according to a 2011 study by Carpenter.
Increasing efforts on the northern coasts of the islands and expanding marine - protected areas north to where the penguins are now feeding and breeding could support population growth, the study's authors said.
The research, published in the British Trust for Ornithology (BTO) journal Bird Study, looked at the breeding populations of three species of large gull; Herring Gull, Great Black - backed Gull and Lesser Black - backed Gull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of Mallaig.
Even though the tiny island chain is only about 10 kilometers across, researchers hadn't realized the extent of the penguin population, says study coauthor Heather Lynch, an ecologist at Stony Brook University in New York.
The bacterial population studied in Jiang's lab included as many as 100 million organisms, far more than the number of birds on the Galapagos Islands.
The mutation, which has no obvious advantages, likely arose by chance in one individual and drifted to a high frequency in the Solomon Islands because the original population was small, says Jonathan Friedlaender, an anthropologist emeritus at Temple University in Philadelphia, Pennsylvania, who was not involved in the study.
For the first time, the researchers have carried out a ten - year population study of two seabird species: brown skuas living in the Kerguelen Islands (Subantarctic) and south polar skuas living in Adélie Land (Antarctica).
The study of island populations is particularly valuable for detecting the effects of predators on local prey species, because of the relatively closed nature of island ecological systems (Blackburn et al., 2004; Swadling, 2010).
If managers decide that genetic rescue is necessary to maintain robust populations of island foxes, this study can be used to inform which island fox subspecies would be the best source population.
The first suggestion of the possible benefits of cocoa came from epidemiologic studies conducted in Kuna Indians, an Amerind population living in the San Blas Island chain off the Coast of Panama that is known to have an extremely low prevalence of atherosclerotic disease, hypertension, diabetes, and dyslipidemia (14, 15).
It undertakes practical conservation projects, surveys and scientific studies, conducts annual monitoring of seabird populations, rescues wildlife in trouble, publishes guides and information on many aspects of the Falkland Islands environment, and involves islanders of all ages in its activities, including running a WATCH group for children.
The study suggests that if sea levels continue to rise at the present rate, the islands will be lost within 100 years, and will have to be abandoned by the local population in approximately 50 years.
While multiple studies on Pacific Island populations who get 30 - 60 percent of their total caloric intake from fully saturated coconut oil have all shown nearly non-existent rates of cardiovascular disease.
Did you know that multiple studies on Pacific Island populations, who get 30 - 60 % of their total caloric intact from fully saturated coconut oil, have all shown nearly non-existent rates of cardiovascular disease?
For U.S. Virgin Islands's English language arts, science, and social studies classes with a mix of student abilities or diverse student populations, Pro is the differentiated literacy solution that provides true equity of access and accelerates reading gains for all students — all in a single classroom.
Her only companions are the scientists studying there, odd and quirky refugees from the mainland living in rustic conditions; they document the fish populations around the island, the bold trio of sharks called the Sisters that hunt the surrounding waters, and the overwhelming bird population who, at times, create the need to wear hard hats as protection from their attacks.
A study in New Zealand in 1979 found that, when cats were nearly eradicated from a small island, the local rat population quickly quadrupled.
Indeed, in their contribution to The Domestic Cat: The Biology of Its Behaviour, researchers Mike Fitzgerald and Dennis Turner thoroughly reviewed 61 predation studies, concluding rather unambiguously that «there are few, if any studies apart from island ones that actually demonstrate that cats have reduced bird populations
Such aggregate figures can typically be traced to small — often flawed — studies, the results of which are subsequently extrapolated from one habitat to another, conflating island populations with those on continents, combining common and rare bird species, and so forth.
«There are few if any studies,» write Mike Fitzgerald and Dennis Turner in their contribution to The Domestic Cat: The biology of its behaviour, «apart from island ones that actually demonstrate that cats have reduced bird populations
After all, I've never seen a TNR opponent acknowledge the conclusion drawn by Turner and fellow researcher Mike Fitzgerald in the second edition: «there are few, if any studies apart from island ones that actually demonstrate that cats have reduced bird populations
And there are few, if any studies apart from island ones that actually demonstrate that cats have reduced bird populations
So our study shows that of these 18 islands, eradicating invasive species on only two would likely prevent extinction of three native species populations.
This survey should provide an updated list of breeding sites, a good estimate of the size of the population, and data about survival rate of different age classes: together with the high resolution data from our intensive study of Sea Lion Island this new information should provide the parameters needed to determine the current status of the population and forecast its future.
Sea Lion Island shelter a small, localized population of elephant seals, that we are studying in great detail by marking almost all breeding individuals every season, by spending a large amount of time in the field doing behavioural observations, and by using a mixture of different techniques to gather accurate measurements of different aspects of individual phenotype of males and females.
Decline and recovery of the island fox: a case study for population recovery.
& Beyond Mnemba Island has a small yet stable population of these enormous crabs and recently hosted researchers from Sweden's Gothenburg University in Sweden, who conducted a study of the coconut crabs on Mnemba and nearby Chumbe Island (the first study of its kind conducted in Africa).
Origin and differentiation of the island fox: a study of evolution in insular populations.
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