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Annales de Limnologie - International Journal of Limnology

Volume 53 (2017)

Responses of the phytoplankton community in the Yangtze River estuary and adjacent sea areas to the impoundment of the Three Gorges Reservoir p. 1

The changes of water transparency, silicate/phosphorus/nitrogen ratio and salinity profile due to interception of sediment and alteration of discharge by Three Gorges Dam significantly affected the community structure and spatial distribution of phytoplankton in the Yangtze River Estuary.

Published online: 09 January 2017
DOI: https://doi.org/10.1051/limn/2016027
Open Access

Insights into the reproductive activity of Omphiscola (Lymnaea) glabra (Gastropoda: Lymnaeidae) in relation to soil geology in Central France p. 11

Soil geology has an influence on the egg-laying and shell growth of the snail Omphiscola glabra. Snails living on marl laid more eggs in spring and their maximum shgell height was greater than those of congeners living on granite

Published online: 09 January 2017
DOI: https://doi.org/10.1051/limn/2016028

The impact of an extreme flood in spring/summer 2010 on phytoplankton communities in oxbow lakes of the lower Vistula River, central Poland p. 19

The objective of study was to assess the impact of extreme flood on phytoplankton in oxbow lakes and lower Vistula River. The results indicate that extreme flooding can lead to changes in alternative states of oxbow lakes. In the river the phytoplankton was similar to that recorded the previous year.

Published online: 09 January 2017
DOI: https://doi.org/10.1051/limn/2016030

Submerged macrophytes as bioindicators of environmental conditions in shallow lakes in eastern Poland p. 27

Macrophyte assemblages showed visible negative changes of their species diversity and biomass through the human induced eutrophication process. Their diversity is the combined effect of environmental conditions specific for a lake ecosystem, thus macrophytes have a crucial role in biomonitoring studies of shallow lakes.

Published online: 10 January 2017
DOI: https://doi.org/10.1051/limn/2016031

Forecasting population dynamics of the black Amur bream (Megalobrama terminalis) in a large subtropical river using a univariate approach p. 35

ARIMA model and RDA were proposed to predict M. terminalis larval abundance and its influence. CCF model further identified that discharge acted as a trigger for population growth. We conclude ARIMA model approach is an especially promising tool for predicting the trend of population effectively.

Published online: 10 January 2017
DOI: https://doi.org/10.1051/limn/2016034

Diet composition changes in tigerfish of Lake Kariba following an invasion by redclaw crayfish p. 47

High dietary plasticity and ontogenetic shifts in the tigerfish Hydrocynus vittatus diet was observed, with historical assessments highlighting a dietary shift from 1969 to present. The invasive crayfish Cherax quadricarinatus can be considered to be forming a significant portion of the tigerfish diet due to its increasing frequency in diet. These findings are of importance as they highlight that tigerfish can potential help in controlling the invasive crayfish abundances.

Published online: 10 January 2017
DOI: https://doi.org/10.1051/limn/2016033

First description of the pupa and male of the Neotropical predatory midge Pellucidomyia oliveirai (Lane) (Diptera: Ceratopogonidae) p. 57

The pupa and male adult of Pellucidomyia oliveirai are described for the first time from the Neotropical región. Map of distribution of adult species and key of the pupae of this genus are provided. The genus Pellucidomyia Macfie is reported for the first time from Argentina.

Published online: 09 January 2017
DOI: https://doi.org/10.1051/limn/2016037

Effects of volcanic ash on assemblage patterns and biological traits of Chironomidae in a north Andean Patagonian stream, Argentina p. 67

Negative effects on chironomid assemblages were found by comparing pre and post-eruption data along an altitudinal gradient affected by heavy ash deposition from Puyehue-Cordón Caulle Volcanic Complex. This study is an important contribution for conservation and restoration management of watercourses.

Published online: 13 January 2017
DOI: https://doi.org/10.1051/limn/2016032

Tapajobaetis, a remarkable new genus of Baetidae with spatulate claws (Ephemeroptera) p. 79

Ephemeroptera (Insecta) is a very common and abundant group in freshwater systems. Baetidae is the most diverse family of mayflies in terms of species. During a field trip to a poorly sampled area in the state of Para, Brazilian Amazon, a remarkable new genus of Ephemeroptera was collected. The objective of this work is to describe that new genus and new species.

Published online: 20 January 2017
DOI: https://doi.org/10.1051/limn/2016036

Influence of environmental factors on cyanobacterial biomass and microcystin concentration in the Dau Tieng Reservoir, a tropical eutrophic water body in Vietnam p. 89

The dynamics of cyanobacteria and microcystins (MCs) production were investigated in a drinking water reservoir. The biomass of Chroococcales and amongst them Microcystis aeruginosa and the total phosphorus governed the MCs levels, but also temperature to a lesser extent. The manuscript provides information about toxic cyanobacteria in tropical freshwater.

Published online: 25 January 2017
DOI: https://doi.org/10.1051/limn/2016038

Significance of pelagic and benthic metabolism for the carbon budget of a shallow lake p. 101

Pelagic and benthic primary production and respiration were measured in a shallow, eutrophic lake to examine the role of the pelagic zone and the sediments in the overall carbon budget of the lake. The pelagic zone of the lake was net autotrophic. When the sediment primary production and respiration were taken into account both processes were balanced.

Published online: 25 January 2017
DOI: https://doi.org/10.1051/limn/2016035

Non-biting midges (Diptera: Chironomidae) research in South America: subsidizing biogeographic hypotheses p. 111

Here it is presented a contribution to data on Chironomidae (Insecta: Diptera) collected in South America. In total, 3196 representatives of six subfamilies were collected. Sixty-one genera have been identified, containing at least 211 species. The present study provides unprecedented information for some of the most neglected areas in terms of chironomid studies in South America.

Published online: 31 January 2017
DOI: https://doi.org/10.1051/limn/2016039

Spatial heterogeneity and seasonal succession of phytoplankton functional groups along the vertical gradient in a mesotrophic reservoir p. 129

This study based on analysis from vertical profiles of phytoplankton FGs (both on a morphology-based approach and according to the functional groups), their relative biomass, physical and chemical parameters, through monthly samplings over a two years period, at three stations located along the longitudinal axis in the monomictic, mesotrophic Mediterranean reservoir. Nutrient dynamics, temperature and light availability were mainly driven by the water circulation patterns, governing the phytoplankton morphological variability (C→S→R) in İkizcetepeler reservoir. Nutrient availability and temperature constituted the main environmental constraints influencing phytoplankton dynamics, while zmix/zeu ratio played a secondary role. A similar conclusion for mesotrophic lakes was achieved by Naselli-Flores (2000) by studying 21 Sicilian man-made lakes. Despite the variations in zmix/zeu ratio as a result of stratification vs. mixing events and water withdrawal, C-strategists were typical representatives of phytoplankton assemblage. Groups Y, P, B, J, F, Lo and Tc showed heterogeneous distribution along the water column and vertical heterogeneity of phytoplankton was affected by nutrients (especially DIN values), temperature and zmix/zeu values which were mainly driven by the water circulation pattern. The results show that phytoplankton morphological spectrum throughout the entire water column, contributes useful information to assess the influence of mixing and trophic state on phytoplankton dynamics in mesotrophic reservoirs.

Similar studies about phytoplankton structure along the vertical gradient at seasonal time scales are not so detailed, and, to our knowledge, vertical distribution of phytoplankton functional groups was not investigated in Mediterranean reservoirs and only a short term study (Becker et al., 2009b) and a long term one (Crossetti and Bicudo, 2008) were performed in tropical Brazilian reservoirs. Therefore, our results provide evidence on vertical heterogeneous distribution of phytoplankton functional groups in mesotrophic Mediterranean reservoir, allowing for a deeper understanding of the role of different groups in such systems.

Published online: 22 February 2017
DOI: https://doi.org/10.1051/limn/2016040

Limnophase versus potamophase: how hydrological connectivity affects the zooplankton community in an oxbow lake (Vistula River, Poland) p. 143

The impact of river hydrology on the oxbow lake was studied. Potamophase brought greater zooplankton diversity. Limnophase with higher water temperature led to greater zooplankton density but its diversity decreased. In recent years, probably due to climate change, water level in rivers is low and potamophase is rare. Oxbows remain isolated what is the cause biodiversity reducing.

Published online: 27 February 2017
DOI: https://doi.org/10.1051/limn/2017001

The effects of food level on the life history variables of the two closely related rotifer species Keratella tropica and Keratella valga p. 153

Keratella tropica had longer duration of pre-reproductive and reproductive periods, average lifespan, life expectancy at hatching and generation time, and higher net reproductive rate than K. valga. In subtropical lakes, the higher density of K. tropica might be attributed to its longer lifespan and higher reproductive rate.

Published online: 03 March 2017
DOI: https://doi.org/10.1051/limn/2017002

Discriminating permanent from temporary rivers with traits of chironomid genera p. 161

Chironomidae assemblage and its traits allowed the segregation of stream types, reflecting streams natural environmental diversity and their potential for bioassessment. Observable morphological traits, related with functions of Chironomidae in the system, are particularly useful to this segregation avoiding their taxonomic identification.

Published online: 03 March 2017
DOI: https://doi.org/10.1051/limn/2017004

First description of immature stages and adult females of Stilobezzia (Acanthohelea) megatheca (Diptera: Ceratopogonidae) from Patagonia p. 175

Larva, pupa and adult female of Stilobezzia (Acanthohelea) megatheca are described. This is the first description of immature stages on the subgenus Stilobezzia (Acanthohelea) from the Neotropical region. Data on the bionomics of the species and a key to Neotropical pupae of Stilobezzia are provided.

Published online: 16 March 2017
DOI: https://doi.org/10.1051/limn/2017005

Macroinvertebrate herbivores and epilithon algae community of a stream affected by mineralized heated mining water inflow p. 189

The mining water altered abundance and taxa richness of herbivorous macroinvertebrates and their food – epilithic algae. Changes in community composition and function were recorded, scraper-collectors and invasive species became dominant in affected sites. Understanding the ecological effects of mining water effluent is useful for river protection management.

Published online: 27 March 2017
DOI: https://doi.org/10.1051/limn/2017003

Water quality related macroinvertebrate community responses to environmental gradients in the Portoviejo River (Ecuador) p. 203

This study provides information about the macroinvertebrate community and the ecological water quality of the Portoviejo River (Ecuador). Threshold Indicator Taxa Analysis was used to investigate shifts in macroinvertebrate communities along physico-chemical gradients and to define associated indicator taxa. The results are particularly useful for future decision-making and water management.

Published online: 19 May 2017
DOI: https://doi.org/10.1051/limn/2017007

Water-quality variability in dryland riverine waterholes: a challenge for ecosystem assessment p. 221

Spatial and temporal variability in water quality in dryland river waterholes, reflecting catchment and local biophysical characteristics, precluded identification of reference sites, and highlighted the need for strategic sampling design to capture variation in key variables and identify critical ecological conditions.

Published online: 22 May 2017
DOI: https://doi.org/10.1051/limn/2017008

Spatial and temporal variation of Cladocera in a tropical shallow lake p. 233

We present an ecological study of the Cladocera in a shallow tropical freshwater lake (Thale-Noi, Thailand) using activity traps in different habitats. Depth and pH shaped the communities regardless of macrophyte composition and overall densities were lower than reported from temperate lakes. Species composition and densities varied monthly, yet at any time maximally 22 cladoceran species were able to coexist in a niche of the dimensions studied here, the majority Chydoridae.

Published online: 02 June 2017
DOI: https://doi.org/10.1051/limn/2017006

Life table analysis reveals variation in thermal tolerance among three species of the Lecane genus (Rotifera: Monogononta) p. 253

Life table analysis revealed thermal tolerance among three species of the rotifer genus Lecane.

Lecane papuana behaved like a thermal specialist and perform better at higher temperatures than L. bulla and L. cornuta.

Results can be of potential use to develop toxicity tests for tropical countries.

Published online: 02 June 2017
DOI: https://doi.org/10.1051/limn/2017009
Open Access

Detection of habitats colonized by Omphiscola glabra (Gastropoda: Lymnaeidae) on acid soils using indicator plants p. 261

Juncus effusus was the best indicator plant species to detect the populations of Omphiscola glabra in five habitat types (out of seven) located on acid soils in the French region of Limousin. Juncus acutiflorus was the best indicator plant for snail populations living in springs.

Published online: 07 July 2017
DOI: https://doi.org/10.1051/limn/2017010

Physiological and biochemical responses of Egeria densa to different sediment redox conditions p. 271

This study assessed the physiological and biochemical effects of a submerged macrophyte, Egeria densa, under different sediment redox conditions. The study will improve our ability to predict the dynamics of wetland aquatic vegetation and thus facilitate the formulation of wetland management and restoration strategies.

Published online: 04 September 2017
DOI: https://doi.org/10.1051/limn/2017013

Are the littoral zone conditions suitable for tropical planktonic microcrustaceans? p. 281

Experiments on life table parameters and growth rates indicated that food conditions are adequate for two cladocerans in the littoral zone of the lake. The short-term spatial distribution of microcrustaceans revealed preference or indifference to the littoral and limnetic zones, probably as part of their adaptive strategies in relation to other factors.

Published online: 23 August 2017
DOI: https://doi.org/10.1051/limn/2017011

Depth distribution of zooplankton in relation to limnological gradients under different stratification and interannual regimes in a deep, tropical crater lake p. 293

Lake Bosumtwi showed distinct vertical structuring of the water column but seasonal variation was low. Chaoborus performed extensive diel vertical migration. Most species dwelt continuously in the epilimnion with no migratory activity. Strategies for coexistence were spatial overlap among competitors and spatial segregation with predators.

Published online: 28 August 2017
DOI: https://doi.org/10.1051/limn/2017015

Response of a littoral macroinvertebrate assemblage to a persistent hydrological drought in a permanent mountain shallow lake from northwestern Spain p. 315

Current projections predict an intensification of hydrological drought as a consequence of climate change, but we know very little about the potential effects on aquatic communities. Our work on La Baña (SW León Province, Spain), a mountain lake suffering from increased water seepage due to geological reason, assessed the effect of drought on the littoral macroinvertebrate community. The most relevant change was a drop in richness values: rarefaction curves showed that richness in lake in 2014 was only slightly higher than in the temporary pond, and much lower than in the lake in 2005 or 2006. However, the assemblage composition did not shift towards a fauna typical of temporary waterbodies. These results might indicate that the resistance of the assemblage was high enough to prevent changes in the first moments (differences between 2005 and 2006 were small), but not after nine years of sustained summer drought.

Published online: 04 September 2017
DOI: https://doi.org/10.1051/limn/2017014

Variability in ostracod communities (Crustacea, Ostracoda) in connected and isolated tropical floodplain lakes p. 325

Floodplains mostly consist of primary and secondary river beds, connecting channels and lakes that are either isolated from rivers and channels for most of the year, or lakes that are connected to rivers and channels for most (or all) of the year. We hypothesize that the differences in invertebrate communities, as calculated by beta-diversities, will be higher in isolated than in connected lakes. We use ostracod communities in the pleuston of the floating macrophyte Eichhornia crassipes in the Upper Paraná River Floodplain to test this hypothesis.

We have observed significant differences in species composition between the two types of lakes. However, although beta diversity values are indeed slightly higher in isolated than in connected lakes, these differences are not significant. This lack of clear effect of isolation on beta diversity could be owing to the fact that the period of isolation since the last homogenizing flood pulse had not been long enough, or because differences in degree of isolation become altogether insignificant in periods of low water flow.

Published online: 04 September 2017
DOI: https://doi.org/10.1051/limn/2017016

A new diatom index to assess ecological quality of running waters: a case study of water bodies in western Anatolia p. 333

Trophic index Turkey (TIT) tested in this study provides information about assessment of running waters. Compared with EPI-D, TIT was more competitive and had a well-fitting regression with logTP. EQR based on TIT showed a negative significant correlation with logTP. TIT could be a useful biological metric for freshwater monitoring.

Published online: 19 September 2017
DOI: https://doi.org/10.1051/limn/2017012

The zooplankton of the shallow lakes of the semi-arid region of southern South America p. 345

The study shows the influence of salinity, ionic composition, some biotic interactions, and human activities on the zooplankton of lakes in the semi-arid southern South America, a community composed of many scarcely known Neotropical endemic species, especially cladocerans and copepods.

Published online: 25 September 2017
DOI: https://doi.org/10.1051/limn/2017018

Differences in anti-predator behavior and survival rate between hatchery-reared and wild grass carp (Ctenopharyngodon idellus) p. 361

Hatchery-reared Ctenopharyngodon idellus exhibited altered anti-predator behavior and lower survival rate compared to wild C. idellus from the Yangtze River. The study highlights the need to improve artificial rearing and stocking conditions of C. idellus to produce fish that are better adapted to natural conditions.

Published online: 25 September 2017
DOI: https://doi.org/10.1051/limn/2017020

Distribution of planktonic crustaceans and its diurnal changes in a hypertrophic shallow lake: does the switch from turbid-water state to clear-water state matters? p. 369

The paper presents results of post hoc analysis of diurnal changes in the crustacean distribution along the horizontal transect in the shallow hypertrophic lake, which undergone a switch from turbid-water, phytoplankton-dominated state (chl-a: 257.8 ± 100.2 µg dm−3, Secchi depth: 0.17 ± 0.02 m) to clear-water plant-dominated state (chl-a: 26.8 ± 4.8 µg dm−3, Secchi depth: 1.03 ± 0.29 m). Changes in crustacean biomass were observed in two consecutive years during two July days (every sixth hour, starting with the noon) in three sampling sites (emergent macrophytes, submerged macrophytes and center), situated along the horizontal transect between the lake shore and the center of the lake. Analysis revealed that: (a) in turbid-water conditions crustaceans aggregated at night-time near the water surface, both in the littoral zone and the lake center; (b) in clear-water state a nocturnal increase in crustacean biomass was noted only in submerged macrophyte site, but concerned only cladocerans. In conclusion, we hypothesized that switch from phytoplankton-dominated to plant-dominated state effects in change of predator-avoidance strategy showed by planktonic crustaceans.

Published online: 02 October 2017
DOI: https://doi.org/10.1051/limn/2017021

Ecological traits of dragonfly (Odonata) assemblages along an oligotrophic Dinaric karst hydrosystem p. 377

Due to the recorded preference for higher water temperature, dragonfly larvae preferred tufa barriers, while they were mostly absent from headwaters of mountainous streams. Favorable microhabitats were inorganic substrates associated with lower current velocity, in contrast to mosses associated with the strongest current. These results represent an important contribution to the knowledge of dragonfly ecology in karstic lotic habitats.

Published online: 02 October 2017
DOI: https://doi.org/10.1051/limn/2017019

Impact of water input on plankton temporal dynamics from a managed shallow saline lake p. 391

Here we address how plankton community structure respond to changes in salinity and nutrients in response to water management. These findings emphasize that interactions between plankton, salinity and nutrients, are sensitive to water management and improve the understanding of the impact for adequate management decisions.

Published online: 11 October 2017
DOI: https://doi.org/10.1051/limn/2017023

Molecular phylogeny and population genetic differentiation patterns in Brachionus calyciflorus Pallas (Rotifera) complex from two lakes in China p. 401

DNA taxonomy provided estimates of evolving entities ranging from 3 to 21 based on the nuclear and mitochondrial markers with the models of ABGD, PTP and GMYC. The similar patterns of seasonal succession in B. calyciflorus were inspected in two habitats, and the clonal groups or genotypes involved in a seasonal succession were actually a sibling or cryptic species in B. calyciflorus complex.

Published online: 03 November 2017
DOI: https://doi.org/10.1051/limn/2017024

Diversity and distribution of the Macrothrix paulensis species group (Crustacea: Cladocera: Macrothricidae) in the tropics: what can we learn from the morphological data? p. 425

Macrothrix paulensis group (Cladocera: Macrothricidae) includes 11 taxa. A basal section consists of 5 taxa which are both biogeographical and phylogenetic relicts and the crown group contains 6 taxa which are widely distributed in tropical lowlands, but no truly “Pantropical” taxa were found.

Published online: 15 November 2017
DOI: https://doi.org/10.1051/limn/2017022

Limnological characteristics and planktonic diversity of five tropical upland lakes from Brazilian Amazon p. 467

Upland lakes from Serra dos Carajás were shallow, weakly stratified and classified as polymictic type. Limnological characteristic of these lakes is highly influenced by lithological and morphometric parameters. TP is not solely controlling the phytoplankton biomass in these lakes. Species richness of zooplankton and phytoplankton in the studied lakes is most likely related to lake water levels and seasonal climate change.

Published online: 16 November 2017
DOI: https://doi.org/10.1051/limn/2017026

Spatial and temporal changes in fish yields and fish communities in the largest tropical floodplain lake in Asia p. 485

The Tonle Sap Lake was dominated by few large commercial fishes. Moreover, the total fish yield of the lake was temporally decreased. Also, the fish yields are increased with an increase in the water level fluctuation. The result revealed that fish community in lake is divided into two assemblages: northern assemblage and southern assemblage.

Published online: 06 December 2017
DOI: https://doi.org/10.1051/limn/2017027