Diel vertical distribution of planktonic microcrustaceans (Crustacea: Cladocera, Copepoda) in a natural shallow lake from Transylvania, Romania

Battes, Karina P.; Momeu, Laura

doi:10.4081/jlimnol.2014.890

Cited by 5 publications

(2 citation statements)

References 36 publications

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“…Compared to the study of Battes and Momeu [23] on Lake Stiucii in Romania where they concluded that adult copepods showed normal DVM from day to night with low migration amplitudes and where the most important cause for DVM being predation pressure, the adult copepods of Lake Taal were found to exhibit a reverse DVM even though the cause for the migration is the same. The difference in DVM direction would be due to the predation of zooplankton by fish and Chaoborus larvae in Lake Stiucii which are tactile predators that live in the hypolimnetic layer.…”

Section: Discussionmentioning

confidence: 65%

Vertical distribution of limnetic copepods in relation to the temporal variability of thermocline depth in a tropical caldera lake

Alonso¹,

Pastrana²,

Pacia³

et al. 2019

actamanil

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The thermocline depth of Lake Taal and its effect on the vertical migration patterns of two limnetic copepod species during the intermediate monsoon season were investigated. Most of the diel vertical migration patterns were normal. Reverse DVM, which was exhibited by some adult copepods, was observed when wind speed changed during the sampling period. Lake Taal started to exhibit atelomixis as the wind speed started to fluctuate. Diel vertical migration of the copepods was affected by the prevailing atelomixis.

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Section: Discussionmentioning

confidence: 65%

Vertical distribution of limnetic copepods in relation to the temporal variability of thermocline depth in a tropical caldera lake

Alonso¹,

Pastrana²,

Pacia³

et al. 2019

actamanil

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show abstract

“…When light penetration is low within the water column, dissolved oxygen (DO) concentrations and water temperatures tend to be lower in the bottom water layers, making these habitats unsuitable for fish foraging activity but effective refuge areas for Daphnia spp. to avoid fish predation [16][17][18][19][20][21]. This Daphnia behavioral response is a survival strategy that was acquired as a result of coexistence with predators over extended periods.…”

Section: Introductionmentioning

confidence: 99%

Differences in the Vertical Distribution of Two Cladoceran Species in the Nakdong River Estuary, South Korea

Kim

Choi

2020

Water

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As cladocerans are a primary food source for fish, predator avoidance is important to sustain cladoceran populations. We hypothesized that Bosmina longirostris and Daphniaobtusa would show different vertical distributions that depend on environmental variables and their life cycle phase. Quarterly monitoring was implemented in three water column layers (upper, middle, and bottom) in the Nakdong River Estuary. Cladocerans were mostly observed during summer; B. longirostris and D.obtusa were most abundant and exhibited different vertical distributions. Large (>600 μm) D.obtusa individuals were mainly distributed in the bottom layer (9–11 m) during the daytime and in the upper layer (1–3 m) at night. Utilization of the bottom layer by large D. obtusa was possibly a defense strategy to avoid fish predation. Although the bottom layer was not supported by lower water temperatures and dissolved oxygen than the upper or middle layers, as suggested in the previous study, we assumed that high turbidity replaced this role as a place shunned by fish (and thus a refuge for Daphnia obtusa). In contrast, smaller individuals remained in the upper layer at all times because of the low predation risk. The consumption of B. longirostris by fish was low, as the largest B. longirostris (411 μm) was smaller than the small-sized Daphnia. From this finding, we suggest that the vertical distribution of cladocerans likely depends on selectivity feeding based on fish size rather than the presence/absence of fish. We considered that these results are an important advance in understanding distribution patterns of cladocerans related to environmental features, as well as their key predators.

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Vertical Structure of Zooplankton in Stratified Lakes of Belarus with Varying Degrees of Trophy

Vezhnavets

Zhurauliou

2022

Inland Water Biol

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Diel vertical distribution of planktonic microcrustaceans (Crustacea: Cladocera, Copepoda) in a natural shallow lake from Transylvania, Romania

Abstract: The diel vertical migration (DVM)

Cited by 5 publications

References 36 publications

Vertical distribution of limnetic copepods in relation to the temporal variability of thermocline depth in a tropical caldera lake

Vertical distribution of limnetic copepods in relation to the temporal variability of thermocline depth in a tropical caldera lake

Differences in the Vertical Distribution of Two Cladoceran Species in the Nakdong River Estuary, South Korea

Vertical Structure of Zooplankton in Stratified Lakes of Belarus with Varying Degrees of Trophy

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