ライフサイエンスコーパス: arctic

1 ast, present, and future dynamics across the Arctic.

2 ct aerosol-cloud-climate interactions in the Arctic.

3 n Arctic, spanning nearly half of the circum-Arctic.

4 CCSM4.0 general circulation model across the Arctic.

5 xide (IO) at levels recently observed in the Arctic.

6 ges reported for remote sites, including the Arctic.

7 y of a keystone species in a rapidly warming Arctic.

8 ress experienced by polar bears in a warming Arctic.

9 ely a dominant source of iodine atoms in the Arctic.

10 ty for N2O emissions cover one-fourth of the Arctic.

11 the benthos driven by recent warming in the Arctic.

12 a mosaic of wet and dry soil surfaces in the Arctic.

13 C concentrations and sources for the Russian Arctic.

14 Inlet, a large fjord in the Eastern Canadian Arctic.

15 rk that reduces stratospheric ozone over the Arctic.

16 ht enormous moist and warm air masses to the Arctic.

17 d nonhalogenated OPEs as contaminants in the Arctic.

18 ecular iodine (I2) have been reported in the Arctic.

19 y provide the best estimate of inputs to the Arctic.

20 to large-scale mercury (Hg) pollution in the Arctic.

21 convection, and the lowest occurring in the Arctic.

22 nding of the large-scale fate of DDTs in the Arctic.

23 rcity of surface observations in the Russian Arctic.

24 th sensitivity to summer warming in the High Arctic.

25 g the large deltas of the main rivers in the Arctic.

26 redictions of near-future CH4 release in the Arctic.

27 opulations at different latitudes across the Arctic.

28 rong effects on the radiative balance of the Arctic.

29 arallel well-established observations in the Arctic [20].

30 cted to contain most of the PFOS mass in the Arctic (63-180 Mg) and is projected to continue increasi

31 imple communities such as often found in the Arctic, a region under increasing influence of human act

32 Under the same fibrillization conditions, Arctic Abeta40 exhibits a high degree of polymorphism, s

33 We present a revised and extended high Arctic air temperature reconstruction from a single prox

34 of 46 populations representing 28 species of arctic-alpine or boreal plants at the southern margin of

35 Enhanced Arctic amplification at the MBE suggests a major climate

36 However, the long-term evolution of Arctic amplification is poorly constrained due to lack o

37 rgoing climatic changes often attributed to "Arctic amplification" - that is, amplified warming in Ar

38 regime is being accompanied by a maximum in Arctic amplification, which is the faster warming of Arc

39 t values were 51.0 and 60.6 degrees C in the Arctic and Amazon, respectively.

40 , we hypothesize that the opposite trends in Arctic and Antarctic sea-ice concentration may be linked

41 ection of positively selected genes from six Arctic and Antarctic species.

42 seawater and air during three cruises in the Arctic and Atlantic Oceans, in/over generally oligotroph

43 s that recorded increasing amplitudes are in Arctic and boreal regions (>50 degrees N), consistent wi

44 ating transport of flare-generated BC in the Arctic and globally, impacts of flaring in the energy in

45 e Arctic with sea ice change in the Canadian Arctic and Greenland Sea regions over the past two decad

46 modeling indicates is volatilisation in the Arctic and net deposition in the Antarctic.

47 ed in population growth coincide with remote Arctic and North Atlantic oceanographic processes that l

48 38% of the total arsenic deposition over the Arctic and Northern America, respectively.

49 d on Earth (Blue and Fin whales) feed in the Arctic and Southern Oceans.

50 spatial distribution of fungi in the western Arctic and sub-Arctic, we used high throughput methods t

51 been widely reported across the circumpolar arctic and subarctic biomes in recent years.

52 tu emissions of chloroform from soil in nine Arctic and subarctic ecosystems were linked to soil tric

53 Globally, Arctic and Subarctic regions have experienced the greate

54 nsequently albedo, are ubiquitous across the Arctic and the reduction in albedo accelerates snow melt

55 It is suggested that Hg trends in Arctic animals may be influenced by both depositional an

56 ring summer, indicating that satellite-based Arctic annual primary production estimates may be signif

57 As rates of warming in the Arctic are more than double the global average, understa

58 driven warm and moist air intrusion into the Arctic as a primary contributing factor of this extreme

59 s taken at the HAUSGARTEN observatory in the Arctic at 2340-5570 m depth.

60 , Germany, are traced back to the North East Arctic Atlantic cod population that has supported the Lo

61 ase, the impact of this source on the summer Arctic atmosphere is likely to increase.

62 During springtime, the Arctic atmospheric boundary layer undergoes frequent rap

63 y and the role of snowpack photochemistry in Arctic atmospheric composition, and imply that I2 is lik

64 Here we present Arctic atmospheric I2 and snowpack iodide (I(-)) measure

65 There is a geographic bias in Arctic BC studies toward the Atlantic sector, with lack

66 sion inventory to quantify the origin of the Arctic BC.

67 elated feedbacks that occurs long before the Arctic becomes ice-free in summer.

68 topic has not been investigated for Pacific Arctic beluga whales (Delphinapterus leucas) that follow

69 ria lomvia) collected from the Canadian high Arctic between 1975 and 2014 and calculated their associ

70 t (Lota lota) in eight rivers of the Russian Arctic between 1980 and 2001, encompassing an expanse of

71 of mitigating climate change and protecting Arctic biodiversity.

72 study of temporal trends of PCNs in Canadian Arctic biota.

73 rends observed for other Western Hemispheric Arctic biota.

74 chondrial DNA (mtDNA) introgression from the arctic/boreal L. timidus, which it presumably replaced a

75 -positive selection is not restricted to the Arctic but instead is broadly observed throughout the Am

76 mainly of erect deciduous shrubs in the Low Arctic, but the more extreme, sparsely vegetated, cold a

77 changes in functional traits detected in the Arctic can be predicted based on the characteristics of

78 Arctic canid species have wide geographic ranges and fee

79 d better with measured PCB concentrations in Arctic char (Salvelinus alpinus) and brown trout (Salmo

80 and improved relative condition of resident Arctic char (Salvelinus alpinus) and increased diatom di

81 iet specialization often seen in polymorphic Arctic charr (Salvelinus alpinus) populations to study t

82 wytscha), Atlantic salmon (Salmo salar), and Arctic charr (Salvelinus alpinus)].

83 ganic chemicals considered, but north of the Arctic circle, we found that concentrations of PAHs incr

84 We surveyed four species of Arctic cliff-nesting seabirds (glaucous gull Larus hyper

85 ions due to adaptation to the cold Greenland Arctic climate and to a protein-rich diet.

86 epresentation of biogenic aerosol sources in Arctic climate models.

87 in represents an essential step toward a new Arctic climate state, with a substantially greater role

88 predictability of northwestern European and Arctic climate.

89 Our results improve the understanding of Arctic coastal evolution in a changing climate, and reve

90 inant aquatic emergent plants in the Alaskan arctic coastal plain, Carex aquatilis and Arctophila ful

91 egions and increase the vulnerability of the Arctic coastal zone.

92 ation spectra indicate that one of the major Arctic conformers has surprisingly high structural simil

93 l the Eocene-Oligocene boundary, while trans-Arctic dispersal in thermophilic groups may have been li

94 In the Pacific-Arctic domain, fungal parasitism is linked to light inte

95 cture, dynamics, hydration and morphology of Arctic E22G Abeta40 fibrils.

96 Millions of birds migrate to and from the Arctic each year, but rapid climate change in the High N

97 ontext of their rapidly transforming Pacific Arctic ecosystem, suggesting flexible responses that may

98 age, understanding the impacts of warming in Arctic ecosystems is especially urgent.

99 d at the Beaver Pond fossil site in the High Arctic (Ellesmere I., Nunavut).

100 2 y of observations at Tiksi (East Siberian Arctic) establish a strong seasonality in both BC concen

101 In January 2016, the Arctic experienced an extremely anomalous warming event

102 SH), and carotenoids in plasma of Baltic and Arctic female common eiders (Somateria mollissima) (N =

103 Swedish west coast (Rao) and the interior of arctic Finland (Pallas).

104 nd that the functional traits characterizing Arctic fish communities, mainly composed of small-sized

105 how a decade-long drying manipulation on an Arctic floodplain influences CH4 -associated microorgani

106 ed with increasing biogenic emissions in the Arctic, following the growing season.

107 arine mammals occupy upper trophic levels in Arctic food webs, they may be useful indicators for unde

108 nsight into the poorly known and short-lived Arctic forest community of the Early Eocene and its surv

109 Publications related to Human, Arctic fox, Yakut horse, Mammoth, Polar bear, and Minke

110 ability in polar bears (Ursus maritimus) and arctic foxes (Vulpes lagopus) (192 plasma and 113 liver

111 that PFAS concentrations in polar bears and arctic foxes are mainly affected by emissions.

112 ne production and semen parameters in farmed Arctic foxes by dietary exposure to persistent organic p

113 ained perfluoroalkyl carboxylates (PFCAs) in arctic foxes decreased with availability of reindeer car

114 lar effects during the mating season in wild Arctic foxes may affect mating behavior and reproductive

115 previous studies, suggest that Hg trends in Arctic freshwater fishes before 2001 were spatially and

116 sed mobility of previously frozen solutes to Arctic freshwaters.

117 xtended the delta into the sea) in a warming Arctic from the 1980s to 2010s.

118 Arctic gas hydrate reservoirs located in shallow water a

119 oil fungal communities in the foreland of an Arctic glacier conforms to either of these models, we co

120 fattening and the gut microbiota of captive arctic ground squirrels (Urocitellus parryii).

121 emonstrate that pre-hibernation fattening of arctic ground squirrels is robust to changes in diet and

122 raising questions as to the sources of high Arctic Hg loading.

123 Other influences on the Arctic hydrologic cycle, such as the strength of meridio

124 Global climate is influenced by the Arctic hydrologic cycle, which is, in part, regulated by

125 The Arctic icescape is rapidly transforming from a thicker m

126 n via precipitation are sources of Hg to the Arctic in its oxidized form (Hg(ii)).

127 ntry of a strong Atlantic windstorm into the Arctic in late December 2015, which brought enormous moi

128 s and dissolved organic carbon inputs to the Arctic increase, the impact of this source on the summer

129 Mild winter temperatures across Arctic intercontinental land bridges permitted dispersal

130 oubt that biogenic methane production in the Arctic is an important aspect of global methane emission

131 treme, sparsely vegetated, cold and dry High Arctic is generally considered to remain resistant to su

132 nderstanding of mercury (Hg) dynamics in the Arctic is hampered by a lack of data in the Russian Arct

133 Permafrost in the Arctic is thawing, exposing large carbon and nitrogen st

134 me concentrated in the Eurasian and Canadian Arctic islands.

135 rrent reductions in sea ice and increases in Arctic killer whale sightings, killer whales have the po

136 of the physiochemical properties of two High Arctic lakes and show that the concentration of major io

137 associated with low biological production in Arctic lakes and their watersheds increased the sensitiv

138 umulation factors for biofilms and seston in Arctic lakes showed more efficient uptake of MMHg in low

139 nmental conditions affect the sensitivity of Arctic lakes to atmospheric mercury contamination.

140 Arctic lakes with greater MMHg in aquatic invertebrates

141 rtant control over hydrological processes in Arctic landscapes and lakes.

142 mplification, which is the faster warming of Arctic latitudes compared to the global mean, in the 201

143 more high-resolution proxy records from the Arctic, located proximal to ice sheet outlet glaciers, a

144 However, in contrast to the Arctic, long-range atmospheric transport is deemed less

145 organic compounds, ozone, and mercury in the Arctic lower troposphere.

146 bout by climate-induced modifications to the Arctic marine ecosystem may increase exposure risk to ce

147 nalysis of our Chytridiomycota clones placed Arctic marine fungi sister to the order Lobulomycetales.

148 killer whales have the potential to reshape Arctic marine mammal distributions and behavior.

149 aw, hydrocarbon-rich areas, prevalent in the Arctic, may see increased emission of geologic CH4 in th

150 soil environmental conditions in controlling Arctic methane emissions remains uncertain.

151 nships between microbial groups, influencing Arctic methane production.

152 in shaping the demography of a long-distant Arctic migrant.

153 re are rapid declines of many populations of Arctic migratory birds, our results emphasize the urgenc

154 Our results imply that the Arctic N2O budget will depend strongly on moisture chang

155 Vertical profiles from the Central Arctic Ocean and shelf water, snow and meltwater samples

156 Today's Arctic Ocean and surrounding regions are undergoing clim

157 eps have appeared due to enhanced warming of Arctic Ocean bottom water during the last century.

158 Staircase structures in the Arctic Ocean have been previously identified and the ass

159 d with surface water distribution across the Arctic Ocean helps to improve our understanding of the l

160 Continued warming of the Arctic Ocean in coming decades is projected to trigger t

161 nvection has been suggested to influence the Arctic Ocean in general and the fate of the Arctic sea i

162 In the Central Arctic Ocean increasing concentrations of DDE with depth

163 s in the Barents and Atlantic sectors of the Arctic Ocean indicate the northbound Atlantic current as

164 Here we present reconstructions of Arctic Ocean intermediate depth water (AIW) temperatures

165 are also regions of striking contrasts: the Arctic Ocean is near surrounded by land compared with th

166 inated alkyl substances (PFASs) reaching the Arctic Ocean is not well understood.

167 Dramatic changes have occurred in the Arctic Ocean over the past few decades, especially in te

168 d has received increasing attention with the Arctic Ocean shifting to a seasonal ice cover.

169 lack of continuous sediment proxy records of Arctic Ocean temperature, sea ice cover and circulation.

170 Arctic Ocean temperatures influence ecosystems, sea ice,

171 ome more common and widespread in the future Arctic Ocean with frequent lead formation due to thinner

172 eptional atmospheric ridge, centred over the Arctic Ocean, was responsible for a poleward shift of ru

173 lain the recent drastic ice reduction in the Arctic Ocean.

174 nnually transport large amounts of Hg to the Arctic Ocean.

175 vasive across the continental margins of the Arctic Ocean.

176 ne food webs and carbon sequestration in the Arctic Ocean.

177 DDTs were found in the European part of the Arctic Ocean; these distributions likely reflect a combi

178 ng of meltwater discharge to the Pacific and Arctic oceans.

179 icient reduction of BC impact on the Russian Arctic, one of the fastest-warming regions on Earth.

180 gnatures ascribable to positive selection in Arctic or Antarctic mammalian species.

181 w experiments have examined these impacts in Arctic or Subarctic freshwater ecosystems, where the cli

182 ta, and North Atlantic Oscillation (NAO) and Arctic Oscillation (AO) indices.

183 ub-seasonal North Atlantic Oscillation (NAO)/Arctic Oscillation (AO) phase reversal from a positive t

184 he Pacific Decadal Oscillation (PDO) and the Arctic Oscillation (AO).

185 n spring bloom observed beneath snow-covered Arctic pack ice.

186 c circulation variability and North Atlantic/Arctic paleoceanographic conditions.

187 and strong linkages to global ice volume and Arctic paleoclimate indicators.

188 eid worm, a bulk soil feeder that thrives in Arctic peatlands.

189 Arctic permafrost caps vast amounts of old, geologic met

190 study highlights the poor representation of Arctic photosynthesis in TBMs, and provides the critical

191 Many TBMs do not include representation of Arctic plants, and those that do rely on understanding a

192 tion for MH populations, with the removal of Arctic populations turning covariation patterns compatib

193 ice cover with significant consequences for Arctic primary production.

194 Another 14% of the arsenic deposition to the Arctic region is attributed to European emissions.

195 is hampered by a lack of data in the Russian Arctic region, which comprises about half of the entire

196 Climate changes are pronounced in Arctic regions and increase the vulnerability of the Arc

197 plification" - that is, amplified warming in Arctic regions due to sea-ice loss and other processes,

198 hese ponds, which are widespread through the Arctic, remain likely sources of MeHg for neighboring sy

199 rshy water-saturated soil typical of the sub-Arctic represents a considerable impediment to the const

200 oil characteristic of the North American sub-Arctic, represents a particularly vexing challenge for r

201 Arctic river watersheds are important components of the

202 composition, reactivity and carbon fluxes in Arctic river watersheds.

203 rivers reflecting unique characteristics of Arctic river watersheds.

204 dissolved organic matter (DOM) in five major Arctic rivers (Kolyma, Lena, Yenisei, Ob, Mackenzie) ove

205 oil Hg concentrations might also explain why Arctic rivers annually transport large amounts of Hg to

206 ear(-1), approximately 50% of the input from Arctic rivers.

207 and sea-ice showed a compound-dependency for Arctic samples not evident with those from the Antarctic

208 Arctic Ocean in general and the fate of the Arctic sea ice cover in particular.

209 te phenomena, including the evolution of the Arctic sea ice cover, the El Nio Southern Oscillation (E

210 Winter Arctic sea ice extent will remain low but with a general

211 cing increased the probability of record-low Arctic sea ice extent.

212 climate of northwestern Europe and in winter Arctic sea ice extent.

213 The consequences of rapid changes in Arctic sea ice have the potential to affect migrations o

214 The loss of Arctic sea ice is a conspicuous example of climate chang

215 Until recent declines in Arctic sea ice levels, narwhals (Monodon monoceros) have

216 sed an as analogue to predict the effects of Arctic sea ice loss on mid-latitude weather.

217 has been proposed as a dynamical pathway for Arctic sea ice loss to cause Northern European cooling.

218 w seasonal-scale NAO- events are affected by Arctic sea ice loss.

219 Reductions in Arctic sea ice may promote the negative phase of the Nor

220 The effects of declining Arctic sea ice on local ecosystem productivity are not w

221 The rapid decline in Arctic sea ice poses urgent questions concerning its eco

222 er of seasonal and interannual variations in Arctic sea ice retreat.

223 lowing warm Atlantic Ocean water to melt all Arctic sea ice within a few years, a cold halocline limi

224 ess and extent have increased drift rates of Arctic sea ice.

225 A decreasing trend in Arctic sea-ice concentration is evident in recent years,

226 Accelerated warming and melting of Arctic sea-ice has been associated with significant incr

227 Here we identify a new link between Arctic sea-ice loss and the North Pacific geopotential r

228 Arctic sea-ice loss is a leading indicator of climate ch

229 sus microcephalus), an iconic species of the Arctic Seas, grows slowly and reaches >500 centimeters (

230 he largest concentrations of all analytes in Arctic seawater and sea-ice meltwater samples (224-253 a

231 in contrast to a dominantly eroding trend of Arctic sedimentary coasts along the coastal plains of Al

232 valbard, because the gas emission from these Arctic sediments was thought to result from gas hydrate

233 re key factors controlling the East Siberian Arctic Shelf (ESAS) methane (CH4) emissions, yet these f

234 tion and inventories of DDTs in water of the Arctic shelf seas and the interior basin are presented.

235 ld have potential consequences to the entire Arctic shelf/slope marine ecosystems.

236 Summertime Arctic shipboard observations of oxygenated volatile org

237 thermore, wet-deposition measurements in the Arctic showed some of the lowest levels of Hg deposition

238 Moreover, only few High Arctic shrub chronologies cover the recent decade of sub

239 Reduced Arctic silicate import and the projected hemispheric-sca

240 of 26 Ust'-Polui fossil mandibles, a Russian Arctic site occupied from 250BCE to 150CE, were identifi

241 a-ice and snow were generally greater at the Arctic site.

242 nges in growth, but is hindered at many High Arctic sites by short and fragmented instrumental climat

243 obial groups were investigated at two remote Arctic sites with respect to soil potential methane prod

244 ification of existing shrub patches, at High Arctic sites with sufficient winter snow cover and ample

245 sea ice despite projected increases in high-Arctic snowfall.

246 Gaseous carbon release from Arctic soils due to permafrost thawing is known to be su

247 ts may underestimate the carbon release from Arctic soils in response to a warming climate.

248 stantial, but growing evidence suggests that Arctic soils may also be relevant sources of nitrous oxi

249 ducing bacteria co-occur with methanogens in Arctic soils, and iron-reduction-mediated effects on met

250 both probably control methane production in Arctic soils.

251 nstraints for the extensive Russian Siberian Arctic, spanning nearly half of the circum-Arctic.

252 matically suitable breeding conditions of 24 Arctic specialist shorebirds and projected them to 2070

253 zoogeographic divide separating boreal from Arctic species.

254 To quantify the increased seasonality in the Arctic-Subarctic sea ice system, we define a non-dimensi

255 We show that the Arctic-Subarctic, i.e. the northern hemisphere, sea ice

256 tetragona shrubs in response to recent High Arctic summer warming shows that recent and future warmi

257 The speeds of both Arctic surface warming and sea-ice shrinking have accele

258 rs and permanent snow fields in Svalbard and Arctic Sweden.

259 ion from soil has been reported from diverse Arctic, temperate, and (sub)tropical ecosystems.

260 at the amplitude increased faster at Barrow (Arctic) than at Mauna Loa (subtropics).

261 ds parasitizing diatoms collected across the Arctic that notably infected 25% of a single diatom spec

262 In many cases, particularly in the Arctic, the Americas, and Europe, aDNA has revealed hist

263 use broadband echo sounders to characterize Arctic thermohaline staircases at their full vertical an

264 In the European Arctic, this model has proven to simulate BC concentrati

265 es ranged from 41.5 degrees C in the Alaskan arctic to 50.8 degrees C in lowland tropical rainforests

266 e our ability to project the response of the Arctic to global environmental change.

267 OC concentrations (0.5-41 mg L(-1)) from 345 Arctic to northern temperate lakes in Canada, Greenland,

268 and two land-based stations in the Canadian Arctic, to assess trends and long-range transport potent

269 polar expansion of woody deciduous shrubs in arctic tundra alters key ecosystem properties including

270 indicated a general 'greening' trend in the arctic tundra biome.

271 t most of the Hg (about 70%) in the interior Arctic tundra is derived from gaseous elemental Hg (Hg(0

272 ntly derived from Hg(0), suggesting that the Arctic tundra might be a globally important Hg sink.

273 vironments, such as the deep subseafloor and Arctic tundra soil with limited/no connections to anthro

274 We apply ArcVeg, an arctic tundra vegetation dynamics model, to estimate pot

275 space and time, remain poorly understood in arctic tundra wetlands, particularly under the long-term

276 o increase the carrying capacity of the high Arctic tundra, it is also likely to cause more frequent

277 capacity for leaf-level CO2 assimilation in Arctic vegetation.

278 In the Arctic, warmer summers enhance plant growth which should

279 xtreme weather, possibly linked to amplified Arctic warming and thus a climate change influence.

280 primary contributing factor of this extreme Arctic warming event.

281 Rapid Arctic warming is expected to increase global greenhouse

282 Projected Arctic warming, with more open sea ice leads providing h

283 iod in early 2016 that sustained the extreme Arctic warming.

284 ouds that may have contributed to accelerate Arctic warming.

285 likely forced by increased southward flow of Arctic waters, contributed to modulating the climate of

286 on, which comprises about half of the entire Arctic watershed.

287 n times higher than that reported from other arctic watersheds.

288 ergence of new shipping opportunities in the Arctic, we argue that human interests are better served

289 ution of fungi in the western Arctic and sub-Arctic, we used high throughput methods to sequence 18S

290 mostly increasing while those in the Russian Arctic were mostly decreasing.

291 eterogeneous, as those in the North American Arctic were mostly increasing while those in the Russian

292 Arctic wetlands are currently net sources of atmospheric

293 Arctic wetlands are large sources of CH4 , and investiga

294 lack of protected areas within the Canadian Arctic where resource exploitation is a growing threat.

295 y in the marine environment, and none in the Arctic, where climate-driven changes are most rapid and

296 specially critical for carbon budgets in the Arctic, where thawing permafrost soils increase opportun

297 nterpreting putative endocrine disruption in Arctic wildlife with potential population-level effects.

298 the ice surface, which may then amplify the Arctic wintertime ice-surface warming.

299 the proportion of moisture sourced from the Arctic with sea ice change in the Canadian Arctic and Gr

300 Fiord, Ellesmere Island in the Canadian High Arctic with seeds of two forb species (Oxyria digyna and