Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Robert C. Petersen"'
Publikováno v:
Alcohol health and research world. 19(1)
Intramural research at the National Institute on Alcohol Abuse and Alcoholism delves into many aspects of biological science relating to alcoholism, from the genetics of alcoholism to the imaging of alcohol-abusing patients' brains. Drawing on the un
Publikováno v:
Aquatic Conservation: Marine and Freshwater Ecosystems. 8:273-285
1. Ten south Swedish streams were selected to represent two distinct types—natural woodland streams and channelized streams. Measurements were made on leaching, decomposition and microbial respirat ...
Publikováno v:
Environment International, Vol 20, Iss 3, Pp 343-348 (1994)
Damselfly (Zygoptera) larvae were studied in the littoral zone of the humic Lake Skjervatjern in western Norway. In 1988, the lake was divided by a plastic curtain into a control half (B) and an experimental half (A). Half A and its catchment have be
Autor:
Robert C Petersen
Publikováno v:
Aboriginal History Journal. 24
'Wilson's Instructions for the lndians' was a book written in England by Bishop Thomas Wilson and first published in 1740. It was amongst the first books brought to Australia. The book was to help promote Christian knowledge not only to the convicts
Publikováno v:
Archiv für Hydrobiologie. 125:175-206
Autor:
G. Wayne Minshall, James R. Sedell, Robin L. Vannote, Robert C. Petersen, Thomas L. Bott, Colbert E. Cushing, Kenneth W. Cummins
Publikováno v:
Journal of the North American Benthological Society. 11:111-137
Studies were conducted at three locations in the Lower Salmon River, Idaho (USA) and at one Upper Salmon "calibration" site to extend results of previous research (headwater through 5-6th-order [1-814 links] streams) to an 8th-order (15,000 links) ri
Autor:
Robert C. Petersen
Publikováno v:
Freshwater Biology. 27:295-306
SUMMARY 1. The Riparian, Channel and Environmental (RCE) Inventory has been developed to assess the physical and biological condition of small streams in the lowland, agricultural landscape. It consists of sixteen characteristics which define the str
Publikováno v:
Environment International, Vol 18, Iss 6, Pp 659-666 (1992)
The taxonomic composition, abundance, and size distribution of benthic macroinvertebrates were studied at the soil/water interface two years before and the first year after the start of artificial acidification of a small catchment and its humic lake
Publikováno v:
Environment International, Vol 18, Iss 6, Pp 631-636 (1992)
The transport of dissolved organic carbon (DOC) and octanol soluble carbon (OSC) through the soil/water interface was studied at four hydraulic vents and four nonvents of the HUMEX experimental lake. These studies were performed during summer 1990 (p
Autor:
Olof Sangfors, Robert C. Petersen
Publikováno v:
SIL Proceedings, 1922-2010. 24:2086-2090