ライフサイエンスコーパス: boreal

1 Methane emissions from boreal Alaska were larger than from the North Slope; the

2 ase has been linked to changes in temperate, boreal and arctic ecosystem properties and processes suc

3 Permafrost soils in boreal and Arctic ecosystems store almost twice as much

4 mplications for future studies of temperate, boreal and Arctic peatlands.

5 esentations of albedo and tree cover for the boreal and Arctic region.

6 g landscape-scale methane (CH4 ) fluxes from boreal and arctic regions, and determining how they are

7 erature of net photosynthesis (Topt ) of two boreal and four temperate deciduous tree species grown i

8 ecies from tropical, subtropical, temperate, boreal and mediterranean ecosystems.

9 Organic soils were sampled from 13 boreal and peatland ecosystems located in the United Kin

10 genic volatile organic compounds (VOCs) from boreal and subarctic forests and promote the formation o

11 Subsequent analysis of 21 boreal and subarctic lakes showed that diet of herbivoro

12 species growing in a transition zone between boreal and temperate biomes.

13 forests across the whole Northern Hemisphere boreal and temperate deciduous forest region for the rev

14 a major role in regulating carbon fluxes in boreal and temperate ecosystems.

15 and wildlife herbivory) substantially affect boreal and temperate forest ecosystems globally.

16 re, this pattern appears to be widespread in boreal and temperate forests.

17 ional view, both GPP and Ra decline in aging boreal and temperate forests.

18 ly, comparable to the previous estimates for boreal and temperate regions.

19 he edges of globally important biomes (e.g., boreal and tropical forests).

20 n measurements from anaerobic incubations of boreal and tundra soils from the geographic permafrost r

21 g various methods and biomass from tropical, boreal, and temperate areas.

22 the SSSA dipole structure is identified for boreal autumn.

23 of year 2000 forest cover was highest in the boreal biome and lowest in the humid tropics.

24 The boreal biome experienced the largest area of GFCL, follo

25 mple, the majority of estimated GFCL for the boreal biome is due to a naturally induced fire dynamic.

26 ed positive net CO2 uptake trends across the boreal biome.

27 ing 16 degrees of latitude in the Arctic and Boreal biomes, we show that air temperature explains c.

28 hange may invoke massive nonlinear shifts in boreal biomes.

29 rruptions of Pine Siskins and possibly other boreal bird populations in North America.

30 uced in the years following masting, driving boreal birds to search elsewhere for food and overwinter

31 Our results show that at the tundra-boreal boundary, a hidden viral landscape is being alter

32 ding effect on ecosystem dynamics and on the boreal carbon balance.

33 ased in the valley bottom of an arctic and a boreal catchment.

34 of NOM-bound Fe emphasize the importance of boreal catchments to Fe export to the oceans.

35 , U, Y) were used to estimate fluxes from 15 boreal catchments.

36 air temperature trends are disaggregated by boreal cold (November-April) versus warm (May-October) s

37 informed predictions about future changes in boreal communities.

38 ncrease the frequency of insect outbreaks in Boreal conifer forests.

39 es were temperate angiosperms, but one was a boreal conifer, contrary to predictions.

40 types and 20 sites in tundra, grassland, and boreal, conifer, deciduous, and tropical forest biomes u

41 and surface-atmosphere coupling of European boreal coniferous forests was explored using eddy-covari

42 LAI is used in upscaling energy exchanges of boreal coniferous forests.

43 By 2100, boreal deciduous tree area is expected to increase by 1-

44 troduced a model decomposition scheme in the Boreal Ecosystem Productivity Simulator (BEPS) and then

45 Boreal ecosystems and their large carbon stocks are stro

46 ll help refine projections of fire effect on boreal ecosystems and their large carbon stocks.

47 s, grasses, sedges, and forbs) in arctic and boreal ecosystems in Alaska.

48 Rich fens are common boreal ecosystems with distinct hydrology, biogeochemist

49 ions from both mosses and vascular plants in boreal ecosystems.

50 Recent studies have mainly focused on boreal ecosystems; little is known about such associatio

51 These sites are at the temperate-boreal ecotone, and we measured three species from each

52 ds throughout the tropical, subtropical, and boreal environments studied.

53 in situ observations in tropical and arctic/boreal environments, use of space-based techniques can r

54 nds to a depth of 460 m at a coastal site in Boreal Europe.

55 eter observations across northern hemisphere boreal evergreen forests for 1979-2014.

56 ng of spring snowmelt is quantified here for boreal evergreen forests.

57 dicate that vegetation biomass recovery from boreal fire disturbance is generally slower than reporte

58 leorecords are indispensible for elucidating boreal fire regime dynamics under changing climate, beca

59 te forest recovery trajectories for 14 large boreal fires from 2004 in Alaska and Canada.

60 re range, these treeless states coexist with boreal forest ( approximately 75% tree cover) and with t

61 along a gradient from temperate to subarctic boreal forest (38 sites between latitudes 48 degrees N a

62 performed a warming experiment in an Alaskan boreal forest and examined changes in the prevalence of

63 moose and elk at about 11.5 cal. kyr bp, and boreal forest approximately 10 cal. kyr bp.

64 most fire-prone areas of the North American boreal forest are resistant to high burn rates because o

65 utbreaks of tularemia in a tularemia-endemic boreal forest area of Sweden and that environmental vari

66 tial association of mosquito prevalence in a boreal forest area with transmission of the bacterial di

67 hypothesis is that widespread masting in the boreal forest at high latitudes is driven primarily by f

68 riability in the Arctic tundra, parts of the boreal forest belt, the tropical rainforest, alpine regi

69 se study Fischer-Tropsch diesel derived from boreal forest biomass in Finland.

70 ional mode diversification suggests that the boreal forest biome originated via genetic coevolution o

71 one of the most flammable ecoregions of the boreal forest biome, to infer causes and consequences of

72 adic permafrost zone of northwestern Canada, boreal forest carbon dioxide (CO2 ) fluxes will be alter

73 s due to climate change may cause a shift in boreal forest composition toward reduced dominance of co

74 Fire is a primary driver of boreal forest dynamics.

75 OS) mining operations has on the surrounding boreal forest ecosystem requires a rigorous approach to

76 Lowland boreal forest ecosystems in Alaska are dominated by wetl

77 ts found in-situ immediately after a typical boreal forest fire.

78 ar, recent site-level studies of the Alaskan boreal forest have reported both increases and decreases

79 This study emphasizes the importance of boreal forest humus soils for Hg storage and reveals tha

80 quence spanning over more than 5000 years in boreal forest in northern Sweden that belowground invent

81 ss multiple plots in four field sites within boreal forest in the discontinuous permafrost zone (NWT,

82 ses from reservoirs constructed on an upland boreal forest landscape in order to quantify their depen

83 Boreal forest loss due largely to fire and forestry was

84 rmafrost zone of North America, thaw-induced boreal forest loss is leading to permafrost-free wetland

85 Therefore, permafrost thaw-induced boreal forest loss may modify regional precipitation pat

86 emote sensing to characterize the impacts of boreal forest loss on albedo, eco-physiological and aero

87 g has led to increased productivity near the boreal forest margin in Alaska.

88 ight the prominence of drought stress in the boreal forest of interior Alaska.

89 esponse to climate warming and drying in the boreal forest of interior Alaska.

90 al Forest, NH, and suggest that processes of boreal forest recovery from prior red spruce decline, or

91 er enables more comprehensive assessments of boreal forest recovery.

92 es, and turbulent energy fluxes of a lowland boreal forest region in the Northwest Territories, Canad

93 ew particle formation events at the Hyytiala boreal forest research station.

94 ind that net ecosystem CO2 uptake (NEE) in a boreal forest rose linearly by 4.7 +/- 0.2% of the curre

95 The data reveal that boreal forest shows no gradual decline in tree cover tow

96 amples collected over a two week period at a boreal forest site (Hyytiala), southern Finland.

97 Across 35 temperate and boreal forest sites with field N-fertilization experimen

98 able isotope signatures of radiocarbon-dated boreal forest soils and modeled atmospheric Hg depositio

99 Our data clearly show that northern boreal forest soils have a strong sink capacity for Hg,

100 37)Cl in bulk organochlorines extracted from boreal forest soils were only slightly depleted in (37)C

101 Empirical evidence from the Alaska boreal forest suggests that every 1% reduction in overal

102 y ago), following the ecological shift from boreal forest to steppe tundra.

103 egatively affect the photosynthetic rates of boreal forest tree saplings at their southern range limi

104 nce of an open-air warming experiment called Boreal Forest Warming at an Ecotone in Danger (B4WarmED)

105 s balsamea saplings growing in the B4Warmed (Boreal Forest Warming at an Ecotone in Danger) experimen

106 ctivity declines across large regions of the boreal forest, even for trees located in cool and moist

107 tral and western portions of the continent's boreal forest, northeastern North America may act as a c

108 r this signal is present across the northern boreal forest, we compiled published carbon isotope data

109 large regional increases across much of the boreal forest, western Amazonia, central Africa, western

110 thaw-induced increase in CH4 emissions for a boreal forest-wetland landscape in the southern Taiga Pl

111 temperature- and light-limited NEELAND of a boreal forest-wetland landscape.

112 pparent carbon accumulation rates in similar boreal forest-wetland landscapes and eddy covariance lan

113 n without moisture stress, net CO2 uptake of boreal forest-wetland landscapes may decline, and ultima

114 monstrate that a conversion of a present-day boreal forest-wetland to a hypothetical homogeneous wetl

115 arbon, influenced chlorination of SOM from a boreal forest.

116 hanging climate and atmospheric [CO2] in the boreal forest.

117 est growth when averaged across the Canadian boreal forest.

118 ielded 12 other mammals and the remains of a boreal-forest community.

119 already been observed in some North American boreal forests and has been attributed to changes in sit

120 he global average, the way in which the vast boreal forests and tundras may respond is poorly underst

121 te warms in New England, USA, high-elevation boreal forests are expected to recede upslope, with nort

122 relationships between k and winter length in boreal forests are not consistent between different regi

123 These results suggest that boreal forests can sustain high-severity fire regimes fo

124 rglacial [Marine Isotope Stage (MIS) 5] when boreal forests existed regionally.

125 veground biomass stem growth across Canada's boreal forests from 1950 to the present.

126 Final harvest (clear-cutting) of coniferous boreal forests has been shown to increase streamwater co

127 forests and an increased aspen mortality in boreal forests have been associated with global warming,

128 ing in winter with net cooling annually; and boreal forests have strong warming in winter and moderat

129 e high frequency of wildfire disturbances in boreal forests in China, the effects of wildfires on soi

130 s from 16,450 stands across 583,000 km(2) of boreal forests in Quebec, Canada, we observe a latitudin

131 Increased permafrost thaw in lowland boreal forests in response to warming may have consequen

132 Wildfire activity in North American boreal forests increased during the last decades of the

133 Wildfire activity in boreal forests is anticipated to increase dramatically,

134 position in the Alaskan and western Canadian boreal forests is projected to shift toward early-succes

135 arbon sink, suggesting that western Canada's boreal forests may become net carbon sources if the clim

136 erity and environmental factors post-fire in boreal forests of China.

137 ase in water-use efficiency in temperate and boreal forests of the Northern Hemisphere over the past

138 Boreal forests play critical roles in global carbon, wat

139 High C partitioning belowground in boreal forests reflects a 13-fold greater C cost of N ac

140 Young boreal forests represent a relatively small but persiste

141 lands may decrease the fluxes of metals from boreal forests to downstream recipients by up to 40% at

142 n sink of natural stands throughout Canada's boreal forests using data from long-term forest permanen

143 creased through the climatic transition when boreal forests were locally extirpated.

144 es, but are consistently more pronounced for boreal forests where carbon fluxes are smaller.

145 iterranean forests and taller gymnosperms in boreal forests) and latitudinal gradients (e.g. larger p

146 N-use efficiency is highest in boreal forests, and P-use efficiency in tropical forests

147 permafrost degradation is well documented in boreal forests, but the role of fires in initiating ther

148 ea increased significantly from temperate to boreal forests, coinciding with longer and thinner root

149 The boreal forests, identified as a critical "tipping elemen

150 rn extratropical land ecosystems, focused on boreal forests, is implicated, substantially more than s

151 ha for tropical, subtropical, temperate, and boreal forests, respectively.

152 In boreal forests, the combined effects of recent warming a

153 s are expected to disrupt the functioning of boreal forests, their ultimate implications for forest c

154 consequences of intensifying fire regimes in boreal forests, we studied postfire regeneration in five

155 s hardwood cover are similar among different boreal forests, which differ in the ecological traits of

156 P, increasing with latitude from tropical to boreal forests.

157 larger in warm tropical forests than in cold boreal forests.

158 foundation species in northern temperate and boreal forests.

159 (%N) has been reported in some temperate and boreal forests.

160 sing tropical, Mediterranean, temperate, and boreal forests.

161 orage on land, particularly in temperate and boreal forests.

162 tion strategies to maintain western Canadian boreal forests.

163 son periods for Alaskan and western Canadian boreal forests.

164 d by a sharp zoogeographic divide separating boreal from Arctic species.

165 forests, leaving no evidence for continued 'boreal greening'; and (3) it took a 72% WUE enhancement

166 ns and other ectotherms inhabiting alpine or boreal habitats at or near their thermal ecological limi

167 c nitrogen (N)-fixing trees in temperate and boreal ('high-latitude') forests is curious.

168 Using the new protocol on samples from two boreal humus soils with different Fe contents, 2D (1)H-(

169 ratropical latitudes occurred in response to boreal insolation and the bipolar seesaw, whereas tropic

170 nds, and is nearly in anti-phase with summer boreal insolation.

171 al DNA (mtDNA) introgression from the arctic/boreal L. timidus, which it presumably replaced after th

172 else constant, we predict a 107% increase in boreal lake FCO2 under emission scenario RCP8.5 by 2100.

173 idone (PVP) and citrate (CT) coated AgNPs in boreal lake mesocosms dosed either with a 6-week chronic

174 ted with total concentrations of 7-153 nM in boreal lake or wetland pore waters while four thiols (me

175 s of MeHg photolysis in three waters along a Boreal lake-wetland gradient covering a range of pH (3.8

176 ystems, representing sequestration hotspots; boreal lakes alone store ca. 120 Pg C.

177 Boreal lakes are biogeochemical hotspots that alter carb

178 limate characteristics for 239 temperate and boreal lakes spanning large environmental and geographic

179 the entire growing season in two contrasting boreal lakes, a humic oligotrophic lake and a clear-wate

180 a delay in recovering from acidification in boreal lakes, in that uptake of Hg(II) by bacteria is no

181 s of declining base cation concentrations in boreal lakes, no studies have attempted to predict the c

182 antified the wholesale transformation of the boreal landscape by open-pit oil sands mining in Alberta

183 biogeochemical cycling of many metals in the boreal landscape.

184 y attributed to reduced summer insolation in boreal latitudes.

185 In boreal lowlands, thawing forested permafrost peat platea

186 ical dry zones in models associated with the boreal monsoon is strongly linked to projected cloud tre

187 broadleaf forests, but not in temperate and boreal needleleaf forests.

188 me toward larger spring wildfires in eastern boreal North America.

189 High precipitation in boreal northeastern North America could help forests wit

190 ganic matter released to surface waters in a boreal peat catchment using radiocarbon dating of partic

191 o mobilization of ancient C stocks from this boreal peatland and a relatively large resilience of the

192 lated atmospheric sulfate-loading to a small boreal peatland and monitored the resulting short and lo

193 e (CO2 ), and methane (CH4 ) exported from a boreal peatland catchment coupled with (14) C characteri

194 mportant to understand the fate of carbon in boreal peatland soils in response to climate change beca

195 Boreal peatlands contain approximately 500 Pg carbon (C)

196 The aquatic export of C from boreal peatlands is recognized as both a critical pathwa

197 bout C dynamics following permafrost thaw in boreal peatlands.

198 viral landscape is being altered as infected boreal phantom midges colonize tundra ponds.

199 representing 28 species of arctic-alpine or boreal plants at the southern margin of their ranges in

200 underscore the potential for a reduction in boreal productivity stemming from increases in midsummer

201 dy we characterized river water samples from boreal Quebec, Canada, using EEM/PARAFAC analysis and ul

202 provide a rare glimpse into the anatomy of a boreal range expansion and enable informed predictions a

203 n order to adequately assess the role of the boreal region in the global carbon cycle.

204 In the context of lakes, the boreal region is disproportionately important contributi

205 Although the boreal region is warming twice as fast as the global ave

206 , salvage logging and fire events in the sub-boreal region of northern Minnesota to assess both the s

207 h inland waters to derive a C budget for the boreal region, and find that FCO2 from lakes is the most

208 included when estimating regional GPP in the boreal region, resulting in a substantial overestimation

209 For the boreal region, we estimate an average, lake area weighte

210 berian dark taiga, a vast but poorly studied boreal region.

211 urrent carbon sink to a carbon source in the boreal region.

212 rded increasing amplitudes are in Arctic and boreal regions (>50 degrees N), consistent with previous

213 d subtropical forests, with 0.74 trillion in boreal regions and 0.61 trillion in temperate regions.

214 ed to seven forest catchments located in two boreal regions in Sweden spanning a range of climatic, s

215 These results suggest that warming in boreal regions may increase CH4 emissions from peatlands

216 the last 200 y in one of the most fire-prone boreal regions of North America to document how fire siz

217 However, in polluted boreal regions, anthropogenic VOC emissions can promote

218 Mosses are the dominant plants in polar and boreal regions, areas which are experiencing rapid impac

219 f ~100 Tg C yr(-1) by wildfire in the global boreal regions, more than five times the amount estimate

220 onstrate that as climate warms in arctic and boreal regions, rates of anaerobic CO2 and CH4 productio

221 erness areas remain (e.g. Africa, Australia, boreal regions, South America), conservation of the rema

222 ng 2005-2011 from the control treatment of a boreal rich fen in the Alaska Peatland Experiment (APEX)

223 table manipulation experiment conducted in a boreal rich fen into a process-based model to understand

224 h and increasing iron (Fe) concentrations in boreal river mouths.

225 connected the equatorial Tethys Ocean to the Boreal Sea.

226 Pine Siskins exemplify normally boreal seed-eating birds that can be sparse or absent ac

227 unity colonization in the littoral zone of a Boreal Shield lake.

228 ow melt at the arctic site, in summer at the boreal site, and declined as a nonlinear function of tha

229 the substantial carbon stores in Arctic and boreal soils could be more vulnerable to climate warming

230 In boreal soils, low bacterial to fungal ratios were relate

231 n natural wetland emissions from tropical or boreal sources.

232 Population expansions of boreal species are among the most substantial ecological

233 ary is mostly due to sharing of mtDNA from a boreal species currently extinct in Iberia (Lepus timidu

234 Our study suggests that temperate and boreal species have considerable capacity to match their

235 ecotonal shifts and concurrent increases in boreal species within the region.

236 being rapidly replaced by traits of incoming boreal species, particularly the larger, longer lived, a

237 We hypothesized that relative to boreal species, temperate species near their northern ra

238 uld be higher in temperate than co-occurring boreal species, with temperate species exhibiting greate

239 little is known about expansion dynamics of boreal species.

240 and the corresponding CO2 uptake during the boreal spring and summer growing seasons and CO2 release

241 m Ny Alesund (Svalbard) collected during the boreal spring and summer of 2010.

242 2009), all of which were first identified in boreal spring or summer, were preceded by La Nina condit

243 les and thus that El Nino predictions beyond boreal spring will inevitably be uncertain if this chang

244 In boreal spring, SST rises by 2 kelvin when heating of the

245 In boreal spring-to-autumn (May-to-September) 2012 and 2013

246 cts longer-term, accurate forecasting beyond boreal spring.

247 ning of North and South Pacific Highs during boreal spring.

248 dies suggest drought is causing a decline in boreal spruce growth, leading to predictions of widespre

249 However, rising temperature jeopardised boreal stenothermal species: causing severe declines in

250 several months later during peak TC season (boreal summer and autumn).

251 the southern Greenland Ice Sheet (GIS) to a boreal summer climate warmer than at present, we explore

252 Varying levels of boreal summer insolation and associated Earth system fee

253 e a critical functional relationship between boreal summer insolation and global carbon dioxide (CO2)

254 ocene, 6,000 yBP) characterized by increased boreal summer insolation, a vegetated Sahara, and reduce

255 y austral insolation changes, rather than by boreal summer insolation, as Milankovitch theory propose

256 alues now broadly coincides with the rise in boreal summer insolation, the marine termination, and th

257 identified coherence between the austral and boreal summer monsoon.

258 sser extent, over southern Europe during the boreal summer season.

259 In boreal summer, SST decreases because cooling from below

260 the recovery and expansion of beavers in the boreal system will only have a transitional effect on Me

261 measurements have been made in tropical and boreal systems draining undeveloped watersheds.

262 Russia's boreal (taiga) biome will likely contract sharply and sh

263 e species in 32,628 permanent plots covering boreal, temperate and Mediterranean forest biomes.

264 +/- 103, and 420 +/- 134 g C m(2) yr(-1) for boreal, temperate, and tropical forests, respectively.

265 composition, and ecosystem processes at the boreal-temperate ecotone.

266 ve examined the photo-oxidation and aging of boreal terpene mixtures in the SAPHIR simulation chamber

267 Arctic and Boreal terrestrial ecosystems are important components o

268 ism driving diversity across a gradient from boreal to subtropical forests.

269 occurred over a broad geographic area, from boreal to subtropical habitats.

270 h American tree species distributed from the boreal to the subtropics.

271 torhinus maximus), is broadly distributed in boreal to warm temperate latitudes of the Atlantic and P

272 tive modes in the frequency distributions of boreal tree cover.

273 Silver birch (Betula pendula) is a pioneer boreal tree that can be induced to flower within 1 year.

274 edium-cold steppe-type environment with some boreal trees along valleys around 43,500 cal B.P.

275 Water storage is a key uncertainty in the boreal water budget, with tree water storage often ignor

276 speciation changes along the flow path of a boreal watercourse, as water moves from NOM-rich, acidic

277 ut overlooked aspect of the water balance in boreal watersheds.

278 ity of Hg(II) and MeHg in different types of boreal wetland soils.

279 Boreal wetlands have been identified as environments in

280 ative sequestration of organic matter in the boreal wetlands under greenhouse conditions.

281 c carbon (DOC), and sulfate in eight Swedish boreal wetlands.

282 ra, and tussock tundra), as well as ecotonal boreal white spruce forest, and perform model simulation

283 onversion rate found here were applicable to boreal wildfire in general, it would translate into a Py

284 The rate of vegetation recovery from boreal wildfire influences terrestrial carbon cycle proc

285 r findings suggest that PyOM production from boreal wildfires, and potentially also from other fire-p

286 ation for Rossby wave breaking events during boreal winter and spring.

287 re we show that intraseasonal variability in boreal winter pressure patterns over the Central North P

288 The boreal winter season-when most of the CA precipitation i

289 al westerly wind and subtropical jets during boreal winter to spring.

290 ial subsurface 'heat reservoir', built up in boreal winter, appears in the eastern North Pacific seve

291 ecord-breaking cold event during the 2015/16 boreal winter, with pronounced impacts on livelihood in

292 During boreal winters, cold waves over India are primarily due

293 American oak clades arose in what is now the boreal zone and radiated, in parallel, from eastern Nort

294 oint analyses suggest the tropics and arctic/boreal zone carbon-climate feedbacks could be disproport

295 the last 3 decades across the North American boreal zone suggests that area burned will increase by 3

296 able to survive at the southern edge of the boreal zone.

297 een and deciduous trees in the temperate and boreal zones based on (1) an evolutionary analysis of a

298 in the tropics than it does in temperate and boreal zones, decreasing the ratio of interspecific-to-i

299 nd pasture, and in tropical, subtropical and boreal zones.

300 sts at three sites spanning the temperate to boreal zones.