Search Results - "Henry, G.H.R"

Tundra plants and climate change: the International Tundra Experiment (ITEX) by HENRY, G.H.R., MOLAU, U.

“…The International Tundra Experiment (ITEX) was established in late 1990 at a meeting of arctic tundra ecologists as a response to predictions that the…”
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Open‐top designs for manipulating field temperature in high‐latitude ecosystems by MARION, G.M, HENRY, G.H.R, FRECKMAN, D.W, JOHNSTONE, J, JONES, G, JONES, M.H, LÉVESQUE, E, MOLAU, U, MØLGAARD, P, PARSONS, A.N, J. SVOBODA, VIRGINIA, R.A

“…Passive open‐top devices have been proposed as a method to experimentally increase temperature in high‐latitude ecosystems. There is, however, little…”
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Response of Saxifraga oppositifolia L. to simulated climate change at three contrasting latitudes by STENSTRÖM, M, GUGERLI, F, HENRY, G.H.R

“…Saxifraga oppositifolia, a widespread circum‐arctic and alpine plant species, was exposed to increased temperature at three ITEX sites of different latitudes:…”
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Phenological and growth responses of Papaver radicatum along altitudinal gradients in the Canadian High Arctic by LÉVESQUE, E, HENRY, G.H.R, SVOBODA, J

“…Phenology and growth of Papaver radicatum Rottb. was monitored over four summers (1990–1993) at 12 sites, along a dolomitic and a granitic altitudinal gradient…”
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Increased plant biomass in a High Arctic heath community from 1981 to 2008 by Hudson, J.M.G, Henry, G.H.R

“…The Canadian High Arctic has been warming for several decades. Over this period, tundra plant communities have been influenced by regional climate change, as…”
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Tundra CO₂ fluxes in response to experimental warming across latitudinal and moisture gradients by Oberbauer, Steven F., Tweedie, Craig E., Welker, Jeff M., Fahnestock, Jace T., Henry, Greg H. R., Webber, Patrick J., Hollister, Robert D., Walker, Marilyn D., Kuchy, Andrea, Elmore, Elizabeth, Starr, Gregory

“…Climate warming is expected to differentially affect CO2 exchange of the diverse ecosystems in the Arctic. Quantifying responses of CO2 exchange to warming in…”
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CO₂ exchange in three Canadian High Arctic ecosystems: response to long-term experimental warming by Welker, J.M, Fahnestock, J.T, Henry, G.H.R, O'Dea, K.W, Chimner, R.A

“…Carbon dioxide exchange, soil C and N, leaf mineral nutrition and leaf carbon isotope discrimination (LCID‐Δ) were measured in three High Arctic tundra…”
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The Changing Climate of the Arctic by Barber, D. G., Lukovich, J. V., Keogak, J., Baryluk, S., Fortier, L., Henry, G. H. R.

“…The first and strongest signs of global-scale climate change exist in the high latitudes of the planet. Evidence is now accumulating that the Arctic is…”
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Reconstruction of Summer Temperature for a Canadian High Arctic Site from Retrospective Analysis of the Dwarf Shrub, Cassiope tetragona by Rayback, Shelly A, Henry, Gregory H. R

“…We used retrospective analysis of the widespread evergreen dwarf-shrub, Cassiope tetragona, to reconstruct average summer air temperature for Alexandra Fiord,…”
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The Changing Climate of the Arctic by Barber, D. G., Lukovich, J. V., Keogak, J., Baryluk, S., Fortier, L., Henry, G.H.R.

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Sex- and habitat-specific responses of a high arctic willow, Salix arctica, to experimental climate change by Jones, M.H, Macdonald, S.E, Henry, G.H.R

“…Dioecious plant species and those occupying diverse habitats may present special analytical problems to researchers examining effects of climate change. Here…”
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Age- and stage-based bud demography of Salix arctica under contrasting muskox grazing pressure in the High Arctic by Tolvanen, A, Schroderus, J, Henry, GHR

“…We compared the bud demography of deciduous, dioecious Salix arctica Pall. plants between vegetation of contrasting muskox grazing pressure, and between…”
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Environmental influences on the structure of sedge meadows in the Canadian High Arctic by Henry, G.H.R

“…Wet sedge-dominated communities (sedge meadows) were sampled in five lowland oases in the Queen Elizabeth Islands of the Canadian High Arctic to assess…”
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Spatial pattern of vegetation in high arctic sedge meadows by Young, C.G, Dale, M.R.T, Henry, G.H.R

“…The spatial pattern of the vegetation in sedge meadows was studied at two sites, one grazed and one ungrazed, in the High Arctic on Ellesmere Island. The…”
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Recovery of Tundra Vegetation after Overgrazing by Caribou in Arctic Canada by Henry, G. H. R., Gunn, A.

“…During the summer of 1987, 500-1000 caribou became stranded on Rideout Island in Bathurst Inlet, Northwest Territories. The 40 km² island did not have…”
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Effects of experimentally-warmed tundra on diurnal gas exchange in Salix-, Carex, and Eriophorum in a high-arctic lowland oasis by Jones, M.H., MacDonald, S.E., Henry, G.H.R.

“…Gas exchange was measured for the willow Salix arctica and two sede species. Carex qauatilus stans and Eriophorum angustifolium triste, at Alexandra Fiord,…”
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Post-Chernobyl ¹³⁴Cs and ¹³⁷Cs Levels at Some Localities in Northern Canada by Taylor, H. W., Svoboda, J., Henry, G. H. R., Wein, Ross W.

“…Samples of lichen, moss and caribou meat from the high and central arctic regions of Canada were measured for ¹³⁷Cs due to the Chernobyl accident of April…”
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An Encyclopaedia of Philosophy by Parkinson, G. H. R

“…* Presents a broad survey of philosophical thought* Each chapter explores, and places in context, a major area of philosophical enquiry - including the theory…”
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Retrospective analysis of growth and reproduction in Cassiope tetragona and relations to climate in the Canadian high arctic by Johnstone, J.F. (University of British Columbia, Vancouver, B.C., Canada.), Henry, G.H.R

“…Techniques of retrospective growth analysis, adapted from dendrochronology, were applied to Cassiope tetragona, an evergreen dwarf-shrub, sampled at Alexandra…”
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Patterns of plant distribution within two polar desert landscapes by Bliss, L.C, Henry, G.H.R, Svoboda, J, Bliss, D.I

“…Although most polar deserts are biologically very barren, there are exceptions. To determine the general pattern of plant distribution from an ice cap to the…”
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