Sentences with phrase «tundra area of»
To realize such a detailed account of the long - term behaviour of the northernmost boreal forest, we documented and analysed the fire record of a northern boreal forest - tundra area of 40 km2 within the Rivière Boniface watershed in northeastern Canada (57 ° 45 ′ N, 76 ° W; figure 1).
http://rstb.royalsocietypublishing.org/ Not exact matches
Other inhabitants of the Tundra Trek area include Arctic wolves and foxes, reindeer and snowy owls.
The bodies of water, each less than a hectare in area, fill depressions in the hummocky tundra landscape with meltwater from thawing permafrost.
«Representation,» for example, is one large - scale strategy, focused on preserving representative areas of every identifiable ecosystem, such as savannah, tropical moist forest, tundra, desert, coral reef.
We're seeing areas of formerly treeless, windswept tundra transition into shrub vegetation as the climate warms and different things grow.
Labranche is the assistant director of public health for Nunavik, the northernmost region of Quebec, and area of tundra surrounded by Hudson Bay and Hudson Strait.
Ecologically sensitive regions are the Arctic tundra, parts of the boreal forest belt, the tropical rainforests, alpine regions worldwide, steppe and prairie regions of central Asia and North and South America, forests in South America and eastern areas of Australia.
«We have found ecologically sensitive regions with amplified responses to climate variability in the Arctic tundra, parts of the boreal forest belt, the tropical rainforest, alpine regions worldwide, steppe and prairie regions of central Asia and North and South America, forests in South America, and eastern areas of Australia,» says Seddon.
We imagine polar bears walking across vast areas of pristine Arctic tundra, imprinting the snow below them with each colossal step.
The Finnish Meteorological Institute has participated in a study in which similar tundra areas were divided into three different types of tundra on the basis of climate and vegetation.
More moose are loose and on the move as they invade previously uninhabitable areas of the Alaskan tundra, according to a new study that revealed how global warming continues to change our ecosystem.
«We find ecologically sensitive regions with amplified responses to climate variability in the Arctic tundra, parts of the boreal forest belt, the tropical rainforest, alpine regions worldwide, steppe and prairie regions of central Asia and North and South America, the Caatinga deciduous forest in eastern South America, and eastern areas of Australia,» the researchers report.
Scientific models predict that while circular «eco-zones» exist on this world, there would be polar ice caps and also a large area of frozen tundra on the dark side.
I added areas of Alaskan Tundra Green sparingly in those sections.
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The Tundra also offers one of the best - designed interiors, with plenty of storage space and easy access to the back - seat area.
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The Tundra is a strong truck with a great reputation, but without a 3/4 - or 1 - ton model, it ranks near the bottom of the full - size pickup pack in areas that matter most to buyers, namely towing, fuel economy and payload.
Four - door versions of the 2011 Toyota Tundra accommodate up to six adults and have numerous storage areas and work surfaces.
The U.S. - built 2012 Toyota Tundra leads the pack in a number of areas, including safety.
We have one of the largest selections of new Toyota models to choose from in the Phoenix area, including the Camry, Corolla, Prius, Tacoma, Tundra, RAV4, 4Runner, Highlander, and many more.
From the glacier - eroded boulders that line the bay, across expanses of arctic tundra where shrubs, grasses and wildflowers punctuate the permafrost, to the areas of spruce forest that lie north of the town, there's no denying that Churchill enjoys an abundance of dramatic natural beauty.
These areas support tundra vegetation consisting of mosses, lichens, and algae, while seabirds, penguins, and seals feed in the surrounding waters.
This hotel based adventure lets you explore the history and culture of the surrounding area as well take a Tundra Buggy ride out to see the bears and other Arctic wildlife.
Players can dynamically swap out actives guns in the middle of the action, but choosing the right load - out for each area is key as you traverse a post-apocalyptic wasteland, lush prehistoric jungle, futuristic city or icy tundra and fight against enemies such as dinosaurs, monsters, robots and zombies.
Players can dynamically swap out active guns in the middle of the action; but choosing the right load - out for each area is key as you traverse a post-apocalyptic wasteland, lush prehistoric jungle, futuristic city or icy tundra and fight against enemies such as dinosaurs, monsters, robots and zombies.
re 454 wili — of course, introducing additional feedbacks like vegetation albedo (boreal forests replacing tundra) and methane hydrate / clathrate, etc, could concievably make it runaway — again, limited by C reservoir and land area / latitude ranges (and some places would probably see a surface albedo increase).
Conversion would be a slow process and I expect there would be resistance from many to remaking large areas of tundra as grassland, though increasing animal populations would be popular.
Snow geese feed on small patches of vegetation that are widely distributed across the Refuge's coastal tundra, so a large area is necessary to meet their needs.
* deposition of alkaline dust on tundra along roads, altering vegetation over a much larger area than the actual width of the road.
For some areas — particularly in Northern Canada — this will mean near or even above freezing temperatures for tundra and permafrost zones in the depths of Winter.
«This is just one small part of the vast Arctic tundra and an area that is already warmer than the rest of the Arctic, probably due to the influence of warm air from the Gulf Stream,» explains Macias - Fauria.
A movement based on the above principles could protect millions of acres of wilderness more stringently than could any congressional act, could insure the propagation of the Grizzly and other threatened life forms better than could an army of game wardens, and could lead to the retreat of industrial civilization from large areas of forest, mountain, desert, prairie, seashore, swamp, tundra, and woodland that are better suited to the maintenance of native diversity than to the production of raw materials for over consumptive technological human society.
According to the IPCC's Table 4.1 (cited three times in the excerpt above), the Malcolm paper, which discusses vegetation only, estimates that different kinds of ecosystems — such as tundra, scrubland, and deciduous forest — could lose between 2 and 47 % of their current area.
From that link's words, the DMI «green line» IS the best way to consistently compare the daily estimate of NORTH areas of the arctic — those areas north of 70 latitude to 83 north latitude NASA - GISS extrapolates «surface» ground - based temperatures as far as 1200 km from where their land - based measurements were made from 60 - 70 latitude over the ever - greening (and darker) tundra and forests OUT to the open sea where where the arctic sea ice actually is present.
(iv) Sites with charcoal macrofossils beneath, in, and above the current organic horizon (corresponding to the large majority of the remaining sites of the study area) are treeless stands composed of a much scattered cover (generally < 1 %) of black spruce shrubs — i.e. sites burned probably more than twice since initial forest establishment, without successful tree regeneration and currently forming lichen - shrub tundra.
Only 15 % of the study area was covered by lichen - tundra vegetation 500 years ago (or between 500 and 900 years ago, given the probable incidence of overlapping fires).
Forest - tundra environments are among the best templates to analyse the spatiotemporal development of forest vegetation over several hundred years in an area of sufficient but representative size, at least several tens of square kilometres.
Woodland and krummholz cover 30 % of the study area, whereas lichen - tundra communities occupy the remaining well - drained sites up to the highest altitude, approximately 215 m a.s.l. Several sandy lichen - tundra sites along the river bank are also occupied by sand dunes, largely controlled by fire (Saint - Laurent & Filion 1992).
(PDF) It notes that, based on data collected from study plots over a 13 - year period and survey data covering 27 years on the tundra of Ellesmere Island in Nunavut, Canada, an area where both temperatures and the length of the growing season has increased in recent decades:
The North Slope's tundra has been growing shrubbier, and most of the severely burned area included shrubby vegetation.