Toolik Litter Study [Welker, J., J. Fahnestock]
The data set presented here represents part of a study that examined the ecological consequences of allochthonous litter deposition in tundra communities near Toolik Lake, Alaska. The study indicates that wintertime litter redistribution is an important mechanism of nutrient transfer across the Arct...
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dataone:urn:uuid:f160c2b0-7e3c-4cde-bf40-1f77360f25c8 2024-06-03T18:46:36+00:00 Toolik Litter Study [Welker, J., J. Fahnestock] Jeff M. Welker Jace Fahnestock No geographic description provided. ENVELOPE(-149.59,-149.59,68.63,68.63) BEGINDATE: 1996-06-19T00:00:00Z ENDDATE: 1998-08-26T00:00:00Z 2016-04-02T14:46:14.399Z https://search.dataone.org/view/urn:uuid:f160c2b0-7e3c-4cde-bf40-1f77360f25c8 unknown Arctic Data Center Arctic Surface Dataset dataone:urn:node:ARCTIC 2024-06-03T18:08:13Z The data set presented here represents part of a study that examined the ecological consequences of allochthonous litter deposition in tundra communities near Toolik Lake, Alaska. The study indicates that wintertime litter redistribution is an important mechanism of nutrient transfer across the Arctic landscape, increasing C and nutrient inputs to some portions of the landscape while decreasing their availability in other areas. Accumulation of windblown litter modifies the physical and chemical environment of patchy areas of the landscape and significantly alters some important biological processes such as respiration. Data are for control and litter plots and include net ecosystem CO2 exchange (umol m-2 s-1), photosynthesis (umol m-2 s-1), respiration (umol m-2 s-1), soil temperature at 5 cm (degrees C), and various dates for key phenological events (snow free, first green leaf visible, first flower petal visible, first flower open, first petal drop, last petal drop, first color change, and seed dispersal) for six important dry heath tundra plant species. The data span the time period of 19 June 1996 to 26 August 1998 UTC. Dataset Arctic Tundra Alaska Arctic Data Center (via DataONE) Arctic ENVELOPE(-149.59,-149.59,68.63,68.63) |
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Open Polar |
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Arctic Data Center (via DataONE) |
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dataone:urn:node:ARCTIC |
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Arctic Surface |
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Arctic Surface Jeff M. Welker Jace Fahnestock Toolik Litter Study [Welker, J., J. Fahnestock] |
topic_facet |
Arctic Surface |
description |
The data set presented here represents part of a study that examined the ecological consequences of allochthonous litter deposition in tundra communities near Toolik Lake, Alaska. The study indicates that wintertime litter redistribution is an important mechanism of nutrient transfer across the Arctic landscape, increasing C and nutrient inputs to some portions of the landscape while decreasing their availability in other areas. Accumulation of windblown litter modifies the physical and chemical environment of patchy areas of the landscape and significantly alters some important biological processes such as respiration. Data are for control and litter plots and include net ecosystem CO2 exchange (umol m-2 s-1), photosynthesis (umol m-2 s-1), respiration (umol m-2 s-1), soil temperature at 5 cm (degrees C), and various dates for key phenological events (snow free, first green leaf visible, first flower petal visible, first flower open, first petal drop, last petal drop, first color change, and seed dispersal) for six important dry heath tundra plant species. The data span the time period of 19 June 1996 to 26 August 1998 UTC. |
format |
Dataset |
author |
Jeff M. Welker Jace Fahnestock |
author_facet |
Jeff M. Welker Jace Fahnestock |
author_sort |
Jeff M. Welker |
title |
Toolik Litter Study [Welker, J., J. Fahnestock] |
title_short |
Toolik Litter Study [Welker, J., J. Fahnestock] |
title_full |
Toolik Litter Study [Welker, J., J. Fahnestock] |
title_fullStr |
Toolik Litter Study [Welker, J., J. Fahnestock] |
title_full_unstemmed |
Toolik Litter Study [Welker, J., J. Fahnestock] |
title_sort |
toolik litter study [welker, j., j. fahnestock] |
publisher |
Arctic Data Center |
publishDate |
|
url |
https://search.dataone.org/view/urn:uuid:f160c2b0-7e3c-4cde-bf40-1f77360f25c8 |
op_coverage |
No geographic description provided. ENVELOPE(-149.59,-149.59,68.63,68.63) BEGINDATE: 1996-06-19T00:00:00Z ENDDATE: 1998-08-26T00:00:00Z |
long_lat |
ENVELOPE(-149.59,-149.59,68.63,68.63) |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Tundra Alaska |
genre_facet |
Arctic Tundra Alaska |
_version_ |
1800868432242016256 |