Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Heather Almquist-Jacobson"'
Autor:
Heather Almquist-Jacobson
Publikováno v:
Palaeogeography, Palaeoclimatology, Palaeoecology. 118:269-290
A detailed reconstruction of water-level fluctuations in Ljustjarnen, a small kettle lake in south-central Sweden, provides a preliminary outline of Holocene changes in water balance for that region. Lake-levels were generally high from 9200 to 8000
Publikováno v:
Quaternary Research. 38:103-116
The composition, magnetic characteristics, and pollen content of sediments from two small kettle lakes near the prairie-forest border in west-central Minnesota were used to infer changes in terrestrial vegetation, shoreline erosion, eolian inputs, ca
Publikováno v:
Biological Conservation. 57:287-314
Crystal Fen in north-central Maine has become well-known as a locality with numerous rare plants. Recent observations of apparent drying and an increase in abundance of woody vegetation in the fen have led to concerns that an adjacent railroad bed an
Publikováno v:
Vegetation History and Archaeobotany. 4
A 9200 14C year fossil pollen record from a small kettle lake in central Maine, northeast U.S.A., records the development of nearby upland vegetation throughout the Archaic, Ceramic, and Historic periods of human history. The Early Archaic period (90
Autor:
John P. Smol, Aruna S. Dixit, Josef Vesely, Stephen A. Norton, Peter G. Appleby, Heather Almquist-Jacobson, Lisa M. Miller
Publikováno v:
Journal of Paleolimnology. 8
This multi-disciplinary investigation documents the longterm effects of atmospheric pollution of metals and acids on a geologically sensitive catchment in the Sumava Mountains, southwestern Czech Republic, a region with a long history of human distur