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Annales de Limnologie - International Journal of Limnology

Volume 51 / No 3 ( 2015)


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Does mosquito control by Bti spraying affect the phytoplankton community? A 5-year study in Camargue temporary wetlands (France) p. 189

Bacillus thuringiensis var. israelensis (Bti) is the larvicide considered most effective in controlling mosquito populations, with negligible environmental impacts. However, field applications of Bti raise the question of possible effects on food web structure, with potential subsequent proliferations of phytoplankton due to mosquito elimination.

Published online: 27 May 2015
DOI: https://doi.org/10.1051/limn/2015013
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Trophic ecology of syntopic anuran larvae, Rhinella arenarum (Anura: Bufonidae) and Hypsiboas cordobae (Anura: Hylidae): its relation to the structure of periphyton p. 211

We assessed the composition of the diet, amplitude and degree of overlap of the trophic niche of sintopic tadpoles. The diet consisted mainly of diatoms, with a higher proportion of small algae, but different morphological guilds. R. arenarum had a more pronounced overlap of trophic niche with H. cordobae than viceversa.

Published online: 13 August 2015
DOI: https://doi.org/10.1051/limn/2015015
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Short-term responses of glass eels transported from UK to small Belgian streams p. 219

The paper demonstrated that glass eel imported from an English estuary and directly restocked in inland small Belgian streams grew, survived, dispersed upstream and downstream and used well defined preferred microhabitats. The results suggest that such restocking practice may be an interesting unconventional option in countries or regions farther from the sea.

Published online: 13 August 2015
DOI: https://doi.org/10.1051/limn/2015016
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Food type and temperature constraints on the fitness of a dominant freshwater shredder p. 227

We test the effects of food type and temperature on the life history parameters and elemental content of Brillia bifida (Chironomidae)

Temperature accelerated the development of B. bifida larvae (i.e., three times faster at warm than at cold temperature), while the poor-quality food resource reduced its growth rates (i.e., three times)

Both factors together modified larvae nutrient ratios and nutrient fluxes (i.e., through FPOM production).

Differential effects observed on larval development, growth and elemental composition point out that food type and temperature might not only affect B. bifida performance, but also extend to other trophic compartments through detritivore-mediated nutrient cycling

Published online: 20 August 2015
DOI: https://doi.org/10.1051/limn/2015017
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Macroinvertebrate assemblages of natural springs along an altitudinal gradient in the Bernese Alps, Switzerland p. 237

We investigated the changes of the macroinvertebrate assemblages of natural springs along an altitudinal gradient in the Bernese Alps. The composition of the faunistic assemblages changed distinctively along this gradient. The water temperature was the most important factor for the macroinvertebrates at different altitudes.

Published online: 25 September 2015
DOI: https://doi.org/10.1051/limn/2015018
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A bibliometric analysis of scientific trends in phytoplankton research p. 249

The scientific trends in phytoplankton studies between 1991 and 2013 have been analyzed based on bibliometric methods. Phytoplankton studies carried out on large scale and long term are showing a significantly ascending trend, while traditional and local scale studies are showing a descending trend.

Published online: 05 October 2015
DOI: https://doi.org/10.1051/limn/2015019
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Controlling factors in planktonic communities over a salinity gradient in high-altitude lakes p. 261

In spite of high altitude salt lakes are important water supply resources and very sensitive systems to climatic change; they have been poorly studied in South America. In this study we found that altitude and salinity mainly regulate richness while Bottom-Up forces are the main factors which control plankton abundance.

Published online: 09 November 2015
DOI: https://doi.org/10.1051/limn/2015020
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Comparison of food habits between native Amur three-lips (Opsariichthys uncirostris uncirostris) and non-native largemouth bass (Micropterus salmoides) in Lake Biwa, Japan p. 273

Food habits of native Amur three-lips (Opsariichthys uncirostris uncirostris) were significantly different from non-native largemouth bass (Micropterus salmoides) in Lake Biwa, Japan. However, changes in fish fauna of the Lake, due to predatory impacts by non-native bass, may have affected preferable prey availability for the three-lips.

Published online: 09 November 2015
DOI: https://doi.org/10.1051/limn/2015021