soil nutrients
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Jianwu Tang, Ned Fetcher, Michael L Moody, 2019 Ion exchange membrane measure of nutrient availability of the 2015 experimental burn at Toolik Lake Field Station, Alaska 2016 . 10.6073/pasta/ca84cec21de79fd6364d7781374f84eb |
An experimental burn conducted in the summer of 2015 to provide sites for an experiment whether seeds of Eriophorum vaginatum from different ecotypes could establish in recently burned areas. It consisted of ten 2 meter X 2 meter plots along with a similar number of control plots. There was little seedling establishment but other data were collected on the plots. Ion exchange membranes were used to measure nutrient availability over two time periods: Early season (June) and mid season (July). |
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Laura Gough, 2000 Plant available NH4, NO3, and PO4 was determined at three site (LTER Toolik acidic and nonacidic tundra and Sagwon acidic tundra) and three community combinations (tussock, watertrack, and snowbed) Arctic LTER 1997.. 10.6073/pasta/b5f5ca168b82ffc3db6522a489a90c7f |
Plant available NH4, NO3, and PO4 was determined at three site (LTER Toolik acidic tundra, LTER Toolik nonacidic tundra, and Sagwon acidic tundra) and three community combinations (tussock, watertrack, and snowbed), three times during the season. pH was also determined in July and strong acid phosphorous in August. |
Gaius Shaver, 2005 Plant available NH4, NO3, and PO4 was determined at sites near ARC LTER Toolik acidic tundra and at a toposequence along the floodplain of the Sagavanirktuk River using 2 N KCL and weak HCL extracts, Arctic LTER 1987 to 2002. 10.6073/pasta/48fd52a09bf83e6c6bcecb49b48e9358 |
Plant available NH4, NO3, and PO4 was determined at sites near ARC LTER Toolik acidic tundra and at a toposequence along the floodplain of the Sagavanirktuk River using 2 N KCL and weak HCL extracts. This file complies data collected at different times from 1987 through 2001 and includes initial extracts taken for buried bag method of net nitrogen mineralization. |
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