«During aerial surveys in September 1987 — 2003, a total of 315 live polar bears were observed with 12 (3.8 %) animals in open water, defined for purposes of this analysis
as marine waters > 2 km north of the Alaska Beaufort Sea coastline or associated barrier islands.
Not exact matches
Cross says that
as the oceans absorb more carbon dioxide, the more acidic the
water becomes, which hurts
marine life and makes it harder for organisms to grow skeletons and build shells.
And J.D.
as a child, a
Marine, and a college student discovering the basic rules of life (wear a suit to a job interview, sparkling
water is simply carbonated
water) is so lovable that you find yourself wanting to hug this young boy and point him to the right path.
As an example, Klein points to a 2003 incident in California when a Crystal cruise ship discharged 138,000 litres of waste
water 14 km offshore into the Monterey Bay National
Marine Sanctuary.
As part of that commitment, he introduced the $ 1.5 - billion Oceans Protection Plan to further enhance
marine response, complementing the Western Canada Marine Response Corporation,» CAPP said, adding that approval was made based on existing scientific evidence, and a commitment was made to continue studying the effects of spilled diluted bitumen on
marine response, complementing the Western Canada
Marine Response Corporation,» CAPP said, adding that approval was made based on existing scientific evidence, and a commitment was made to continue studying the effects of spilled diluted bitumen on
Marine Response Corporation,» CAPP said, adding that approval was made based on existing scientific evidence, and a commitment was made to continue studying the effects of spilled diluted bitumen on
water.
@transframer — With all due respect, you didn't really address the issues raised regarding: 1) actual # of extant vertebrate species; 2) the fact that land inverts «breath air» and would have drowned if not accounted for on the ark; 3) that the dino genera identified in the wiki link far exceeds 50; 4) the need to account for extinct land vertebrates in addition to those still around; 5) that many
marine fish would have died
as their habitat's salinity dropped; 6) that your % allotments for food /
water don't reflect the fact that many forms require fresh meat and / or eat disproportionately to their sizes; 7) the specific dietary / environmental constraints involved in the migration to the Ark and the return trips from Mt. Ararat.
One speaks, for example, of the wheel
as a solar symbol, of the cosmogonic egg
as the symbol of the non-differentiated totality, or of the serpent
as a chthonian, sexual, or funeral symbol, etc. (In like manner it is agreed that the term «symbolism» should be reserved for a structurally coherent ensemble, for example, we speak of aquatic symbolism, the structure of which can not be deciphered except through studying a great number of religious facts which are heterogeneous in appearance, such
as baptismal and lustration rites, aquatic cosmogonies, myths relative to floods or to
marine catastrophes, myths featuring fecundity through contact with
water, etc. [Cf. Eliade, Patterns in Comparative Religion, pp. 188 ff., and Images et symboles, pp. 164 ff.
A number of good examples already exist, whether that is
Marine Stewardship Council's longstanding focus on regional fisheries
as the certification unit, the Alliance for
Water Stewardship's approach to watershed - level management, Rainforest Alliance measuring conservation outcomes across regions with a prevalence of certified enterprises, or the Roundtable on Sustainable Palm Oil partnering with state - level governments to move whole jurisdictions towards certifiable production.
The Merchant
Marine Act, also known
as the Jones Act was enacted in 1920 and requires that all goods transported by
water between U.S. ports be carried on American - made ships with an American crew.
Materials derived primarily from renewable sources such
as replenishable agricultural feed stocks, animal sources,
marine food processing industry wastes, or microbial sources, and can break down to produce environmentally friendly products such
as carbon dioxide,
water, and quality compost.
The lands that were lost were also breeding grounds for
marine mammals, brown pelicans, turtles, and fish,
as well
as migratory species such
as redhead ducks.Overall, about 20 % of the local marshes were permanently overrun by
water as a result of the storm.
Yet in
waters from the Sea of Japan (aka East Sea) to the Black Sea, jellies today are thriving
as many of their
marine vertebrate and invertebrate competitors are eliminated by overfishing, dead zones and other human impacts.
«The bay is acting
as a big mixing bowl where toxins from both fresh and
marine water are found together,» said senior author Raphael Kudela, the Lynn Professor of Ocean Health at UC Santa Cruz.
A new study in
Marine Biology Research tackles this issue by comparing the physical characteristics of two similar octopus species that live on the ocean floor,
as deep
as 9,500 feet (almost 2,900 m) below the
water's surface.
The strong tides around these islands have led the European Union - funded European
Marine Energy Centre (EMEC) to use Orkneys»
waters as the world's largest testbed for a renewable energy source that has been stalled for years: tidal power.
Experiments at UC Davis» Bodega
Marine Laboratory show that the snails lose this escape response
as waters become more acidic, a consequence of climate change.
In fact, if you went to all the talks you would (a) cease to pay attention and (b) never have a chance to swim or snorkel, which would be a shame because you would miss out on the local black
marine iguanas, the black fish, and black sea turtles in the
water,
as well
as the black crabs near the shore.
In a second piece, Wise explained how a
marine ecologist is using robots (with casings made from surplus fire extinguishers) to mimic the motions of microscopic
marine life, including crab larvae,
as they move through ocean
waters during their development into adult organisms.
As such, the ongoing climate change poses the following problem for
marine animals: the warmer the
water gets, the less oxygen it can absorb and store.
Researchers have developed a model to assess how dams affect the viability of sea - run fish species that need to pass dams
as they use both fresh and
marine waters during their lifetimes.
As waters to continue to warm and ocean acidification changes the chemistry of Earth's
marine systems, corals, and the incredible diversity of life they support, are at risk of vanishing.
He added: «The mixed seagrass meadows of tropical
waters provide a home for abundant and biodiverse
marine communities, acting
as fish nurseries and important ecosystems for charismatic and globally threatened species such
as turtles and dugongs.»
«It's an incredibly clever natural solution to this problem of how to deal with a
water barrier on a surface it will change the way we think about developing bio-inspired adhesives that are safe and already optimised to work in conditions similar to those in the human body,
as well
as marine paints that stop barnacles from sticking.»
Other fossilized animals found at the same site
as I. panamensis were
marine species, indicating that unlike river dolphins living today, I. panamensis lived in the salty
waters of a food - rich Caribbean Sea, before the full closure of the Panama Isthmus.
The study grew out of work the authors undertook in the Pacific, where scientists met with community members and local, regional, and national government experts to examine issues such
as food security, access to fresh
water, quality education, sustainable tourism, and protection of
marine and terrestrial resources.
As one
marine insurer put it, «If a captain loses a ship or crew in rough
waters, they blame it on a rogue wave rather than admit they were out when they shouldn't have been out.»
However, central surface
waters of the oceans may not be the final destination of plastic debris since,
as indicated by the study performed by the Malaspina Expedition, large amounts of microplastics could be passing to the
marine food chain and the ocean floor.
A new study led by researchers at the Virginia Institute of
Marine Science reveals that land use in the watersheds from which this «dissolved organic matter» originates has important implications for Bay
water quality, with the organic carbon in runoff from urbanized or heavily farmed landscapes more likely to persist
as it is carried downstream, thus contributing energy to fuel low - oxygen «dead zones» in coastal
waters.
He said that
water samples from the Gulf of Mexico are showing signs that
marine bacteria are already pitching in to help with clean - up efforts, and that populations of these bacteria in this area are likely to boom
as they feast on the oil from the Deepwater Horizon disaster.
Many researchers worry that acidification will make life harder for some shell - building
marine organisms such
as clams, crabs, and shrimp; more - acidic
water could corrode the creatures» shells, or make it harder to build them in the first place.
For decades, zoologists had suspected that
marine mammals such
as seals and sea lions collapse their lungs to withstand
water pressures and endure deep dives.
In the study, published in the journal Proceedings of the Royal Society B: Biological Sciences, researchers at the UC Davis Bodega
Marine Laboratory raised bryozoans, also known
as «moss animals,» in seawater tanks and exposed them to various levels of
water temperature, food and acidity.
Just
as her legendary grandfather Jacques - Yves was passionate about
marine life, Alexandra Cousteau's passion for the future of the earth's
water resources is palpable.
The Coast Guard and Virginia
Marine Resources Commission reported today they have not observed any obvious signs of
water pollution, such
as oil sheens.
The global community is generally improving on a number of issues, such
as health outcomes related to drinking
water and sanitation and protection of
marine ecosystems, while on other issues significant challenges remain.
The coast and its adjacent areas on and off shore is an important part of a local ecosystem
as the mixture of fresh
water and salt
water in estuaries provides many nutrients for
marine life.
And certainly not in the deep sea, where coral reefs, seamounts and rugged canyons that harbour diverse
marine life are being destroyed
as trawlers head for deeper
waters.
Tilikum, SeaWorld's notorious orca that has killed three people, including one of his trainers, was captured
as a youngster in these same
waters, Foote notes; while he is fed only fish at SeaWorld, in the wild, he may have eaten
marine mammals, too.
The
marine tardigrade (Actinarctus doryphorus ocellatus) is also known
as a
water bear or moss piglet, names that suggest size and heft.
The species is designated
as «Critically Endangered» on the IUCN's Red List of Threatened Species, and is protected in U.S.
waters by the Endangered Species Act and the
Marine Mammal Protection Act.
These beasts tend to dine on fish found in coastal and pelagic
waters and occasionally
marine mammals such
as dolphins and porpoises.
A team of
marine researchers funded by the National Science Foundation (NSF) has discovered a three - way conflict raging at the microscopic level in the frigid
waters off Antarctica over natural resources such
as vitamins and iron.
To better understand this treacherous stream of
water — and its role in the Southern Hemisphere's
marine biodiversity — researchers guided autonomous underwater vehicles known
as Seagliders (one shown here entering the
water) through the Agulhas Current for the first time.
Dickson and colleagues have discovered how the type of
marine bacteria colonising a body changes
as it decomposes, providing a «clock» of how long bodies have been in the
water.
The analysis showed that acidic
waters make it impossible for
marine cement — limestone that precipitates out of the seawater
as it flows against the coral reef — to form both between individual coral polyps
as well
as to anchor the entire reef ecosystem against the waves.
Coral reefs, which support diverse communities of fish and other
marine life, are declining globally at unprecedented rates due to human - caused impacts, such
as warming
waters and ocean acidification.
Hypoxic (very low oxygen) and anoxic (no oxygen) zones are caused by excessive nutrient pollution, often from human activities such
as agriculture, which results in insufficient oxygen to support most
marine life in near - bottom
waters.
Less oxygen dissolved in the
water is often referred to
as a «dead zone» (in red above) because most
marine life either dies, or, if they are mobile such
as fish, leave the area.
Hypoxia is caused by excessive nutrient pollution, often from human activities such
as agriculture that results in too little oxygen to support most
marine life in bottom and near - bottom
water.
With higher levels of carbon dioxide and higher average temperatures, the oceans» surface
waters warm and sea ice disappears, and the
marine world will see increased stratification, intense nutrient trapping in the deep Southern Ocean (also known
as the Antarctic Ocean) and nutrition starvation in the other oceans.