منابع مشابه
Coherence between lake ice cover, local climate and teleconnections (Lake Mendota, Wisconsin)
0022-1694/$ see front matter 2009 Elsevier B.V. A doi:10.1016/j.jhydrol.2009.06.024 * Corresponding author. Tel.: +1 414 229 6756; fax E-mail address: [email protected] (H.R. Bravo). Ice duration has shortened and the ice-off date has become earlier for Lake Mendota from 1905 to 2000 as air temperatures have warmed and snowfall has increased. In addition, the ice record has cyclic components at i...
متن کاملDecomposition of blue-green algal (cyanobacterial) blooms in lake mendota, wisconsin.
Decomposition of natural populations of Lake Mendota phytoplankton dominated by blue-green algae (cyanobacteria) was monitored by using oxygen uptake and disappearance of chlorophyll, algal volume (fluorescence microscopy), particulate protein, particulate organic carbon, and photosynthetic ability (CO(2) up-take). In some experiments, decomposition of C-labeled axenic cultures of Anabaena sp. ...
متن کاملA Lake Management Plan for Elizabeth Lake and Lake Mary Kenosha County, Wisconsin
Nonpoint, or diffuse, sources of water pollution include urban sources such as runoff from residential, commercial, industrial, transportation, and recreational land uses; construction activities; and onsite sewage disposal systems and rural sources such as runoff from cropland, pasture, and woodland, atmospheric contributions, and livestock wastes. These sources of pollutants discharge to surf...
متن کاملAssociation of hydrogen metabolism with methanogenesis in Lake Mendota sediments.
Lake Mendota sediments were studied to determine the role of H2 in sediment methanogenesis. H2 was generally not detectable in sediment. The addition of H2 to sediment significantly increased methanogenensis. The amount of methane produced was proportional to the concentration of hydrogen added. H2 addition stimulated the reduction of CO2 to methane, but did not significantly stimulate the conv...
متن کاملSeasonal changes in icefish diel feeding patterns in Lake Chaohu, a large shallow eutrophic lake of China
Seasonal changes in the diel feeding patterns of the zooplanktivorous icefish (Neosalanx taihuensis), which is an endemic species of China, were studied in the large, shallow eutrophic Lake Chaohu of China during the autumn of 2002 and summer of 2003. The results of the diel feeding rhythm indicate that icefish is a visual particulate feeder. There were large differences in diet composition and...
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ژورنال
عنوان ژورنال: Journal of the Royal Society of New Zealand
سال: 1988
ISSN: 0303-6758,1175-8899
DOI: 10.1080/03036758.1988.10429157