Advances in Limnology

Nora I. Maidana

Claudia T. Seeligmann

Phytoplankton in high mountain wetlands of Argentina

阿根廷高山湿地中的浮游植物

María A Casco

Héctor A. Labollita

María G. Cano

Phytoplankton of the reservoirs of Central and North Patagonia

中北部巴塔哥尼亚水库的浮游植物

Nora Gómez

Phytoplankton of the Río de la Plata Estuary

里约热内卢河口浮游植物

The Uruguay River is one of the largest lowland rivers of South America.At its middle section, its course is altered by the Salto Grande Reservoir, which constitutes a discontinuity factor affecting the main limnological characteristics and the plankton communities.In this chapter we present a review of the available information on the phytoplankton of the middle and lower stretches since 1978, a short time before the start of the Salto Grande dam operation.The studies show that phytoplankton communities are regulated by two main forces: water discharge and seasonality, with higher phytoplankton abundances usually associated to the warm season, and lower ones to high water discharge.Human activities in the river basin have been inducing changes in the potamoplankton.From the 70's to the 90´s the studies reported that potamoplankton was dominated by diatoms, with chlorophyceans co-dominating in summer.During the last decade, the phytoplankton assemblage showed a higher proportion of cryptophytes, which together with diatoms and chlorophyceans, conform the typical potamoplankton of the river.Recently, blooms of Cyanobacteria appeared in the river during the summer, mainly near the littoral zone, favored by a combination of high temperatures and enhanced water column stability.

Inés O’Farrell

Irina Izaguirre

Phytoplankton of the middle and lower stretches of the Uruguay River

乌拉圭河中下游的浮游植物

The massive presence of harmful Cyanobacteria in freshwaters has been acknowledged since 1878 when the death of a series of farm animals associated with a bloom of Nodularia spumigena was registered in Australia.In Argentina, these phenomena are known since 1944 when in the Bedetti shallow lake (Province of Santa Fe) about 1000 farm ducks died as a consequence of the ingestion of water after a mixed bloom of various species of blue green algae developed.The anthropic impact on aquatic ecosystems favours eutrophication and, combined with rising temperatures due to global climate change, promotes the development and expansion of harmful algal blooms.Cyanobacterial blooms are now widely recognised as a serious water quality problem with regard to both recreational and drinking water.In Argentina, several toxigenic Cyanobacteria have been reported and associated with blooms, being the most common genera Microcystis and Dolichospermum (Anabaena), while the most common cyanotoxins detected are microcystins.In this article we present four case studies related with the presence of toxigenic Cyanobacteria in drinking water, involving Snowella lacustris, Microcystis aeruginosa and species of Dolichospermum (Anabaena).

Ricardo O. Echenique

Anabella Aguilera

Problems on drinking water related to toxigenic Cyanobacteria: some cases studied in Argentina

产毒蓝藻相关饮用水问题：阿根廷部分案例研究

Odd Terje Sandlund

Tor F. Næsje

Ola H. Diserud

Infection by the cestodes Triaenophorus crassus and Diphyllobothrium spp. in a polymorphic whitefish population

多态性白鲑种群中绦虫Triaenophorus crassus和Diphyllobothrium spp.的感染情况

Hannah M. Schaefer

Edward F. Roseman

Robin L. DeBruyne

Christopher S. Vandergoot

James S. Diana

Historic coregonine habitat use and assessment of larval nursery locations in Lake Erie

伊利湖中历史核心鲑鱼栖息地利用及幼鱼育苗地点评估

Jennifer L. Smith

Timothy D. Drew

Ryan Zheng

Chris C. Wilson

Kevin K. Loftus

Effects of diet on growth and survival of intensively-reared bloater (Coregonus hoyi) fry

饮食对高密度养殖小银鱼（Coregonus hoyi）幼鱼生长和存活的影响

Roland Rösch

Obituary for Miroslaw Luczynski, Olsztyn, Poland

悼念米罗斯瓦夫·卢钦斯基，波兰奥尔什丁

Daniel J. Dembkowski

Daniel A. Isermann

Scott P. Hansen

Thomas R. Binder

Short-term survival of lake whitefish following surgical implantation of acoustic transmitters using chemical anesthesia and electroimmobilization

化学麻醉和电击固定后手术植入声波发射器对湖白鲑短期存活的影响

Publication Information	Publisher: Schweizerbart Science Publishers，Publishing cycle: ，Journal Type: book-series，Open Access Journals: No
Basic data	Year of publication: 2012，Proportion of original research papers: ，Self Citation Rate:， Gold OA Rate:

Advances in Limnology

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