26 record(s) found with the tag "pollen" (multi-year projects are grouped):
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Forest Dynamics (Dispersal & Regeneration) at Treeline
Principal Investigator: Trindade, Mariana
Licensed Year(s): 2003
Summary: This study examines (1) the regeneration dynamics of White spruce in the Mackenzie Delta and Black spruce on seismic lines; (2) the potential for seeds to disperse on snow; (3) pollen dispersal; and (4) pollen production. Study sites in the Mackenzie D...


Modern Pollen Deposition On Western Devon Island
Principal Investigator: Gajewski, Konrad
Licensed Year(s): 2008 2004 2001 1994 1993 1992 1991 1990
Summary: This is the continuation of a multi-year project to determine the long-term (1000's of years) vegetation history. Researchers will collect sediment samples from the bottom of a series of small lakes. Samples of the upermost sediment will be collected with a dredge or short corer. In the lab pollen will be extracted and identified. This data will be entered on a databank to be used to determine th...


Palynology, stratigraphy and sedimentology of the Christopher, the Hassel Bastion Ridge Strand Fiord and the Kanguk formations on Amund Ringnes and Axel Heiberg Islands
Principal Investigator: Hills, L.V.
Licensed Year(s): 1993 1992 1991
Summary: The purpose of this research is to examine the fossil spores, pollen and dinoflagellates found in the sediments of Amund Ringnes and western Axel Heiberg Islands. Additional data will be collected on the rock formations and mineral content of the areas. This research provides information on the past life history of the region as well as information about the petroleum potential....


Climate change and postglacial paleoenvironmental history of peatlands in the Mackenzie Delta area
Principal Investigator: Vardy, Sheila
Licensed Year(s): 1993 1992
Summary: This research is part of an international project that is aimed at documenting the history of changes in the treeline during the Holocene era. While much is known about the environment and climate of this era, little is known about the development of peatlands during this time. I will collect data on peat layering, pollen and fossils in order to determine how the peatlands developed during this ...


A late Cretaceous and Paleogene arctic paleoclimate record: the sedimentary sequence at Strand Fiord, Axel Heiberg Island, NWT
Principal Investigator: Tarduno, John A.
Licensed Year(s): 1993
Summary: For much of the Earth's history, the arctic has had a mild climate, quite unlike the conditions that now exist. Evidence that supports this past climate are fossil plants and animals (including crocodiles and tortoises) found in the arctic. The Earth's magnetic field has changed over time and these changes are contained in the fossils. This research will try develop a technique to age these fos...


Palynological studies in the Mackenzie Observatory
Principal Investigator: Jette, Helene
Licensed Year(s): 1995 1993 1992
Summary: This project continues to examine the history of plant communities in the Mackenzie River and Delta regions over the past 15,000 years. Using a hand auger, core samples of sediments are taken from lake bottoms and the sediments are analyzed for the presence of pollen and diatoms. Radiocarbon dating, a technique used to estimate age, will estimate when certain species were present in the past....


Trace-Element Air Pollution Monitoring in the Coppermine River Area and Reproduction Strategies of "Picea mariana and Picea glauca" (Black and White Spruce) Along the Arctic Treeline as Early Indicators of Climate Change
Principal Investigator: Gould, William
Licensed Year(s): 1994 1993 1992 1991 1990
Summary: The research involves the collection of lichens and spruce tree seed and pollen for analysis. The researchers will analyze the lichen samples for pollutants and will study the seed and pollen collections as part of a climate change study....


Paleolimnology and sedimentology of lakes on the unglaciated terrain of Fosheim Peninsula, Ellesmere Island
Principal Investigator: Wolfe, Alexander P.
Licensed Year(s): 1992 1991 1990
Summary: The Researcher will continue to investigate lakes on the unglaciated terrain of Fosheim Peninsula to determine the former environments of high and low arctic lakes. By analyzing the physical and chemical properties of the sediments, as well as the preserved biological remains within them, the nature and timing of rapid environmental changes at the close of the last glaciation may be explained....


Geology of the Nouveau Quebec Meteorite Crater
Principal Investigator: Bouchard, Michel A.
Licensed Year(s): 1991
Summary: The Researchers will study the ejecta which is material formed as a result of the explosive impacting and throw out of rocks at the moment of meteorite impact. They will also investigate the pollen content of the glacial sediments trapped within the crater rim....


Tertiary Palynostratigraphy of the Beaufort-Mackenzie Basin
Principal Investigator: McIntyre, David J.
Licensed Year(s): 1992 1990
Summary: The Researcher and his assistant will collect rock samples for study of the fossil pollen to determine age, correlation with similar material from wells and to determine past climate and environments....


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