Emergent and floating-leaved macrophytes as refuge for zooplankton in a eutrophic temperate lake without submerged vegetation

Cazzanelli, Matteo; Warming, Trine Perlt; Christoffersen, Kirsten

doi:10.1007/s10750-008-9324-1

Cited by 94 publications

(63 citation statements)

References 33 publications

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“…H. vulgaris. This is in accordance with the findings of other authors (Duggan et al, 2001;Kuczyn´ska-Kippen, 2005;Cazzanelli et al, 2008), who confirmed higher biodiversity in complex macrophyte stands. In Plitvice Lakes, the bottom is mostly covered with Chara spp., a complex habitat genus.…”

Section: Discussionsupporting

confidence: 94%

“…Predation by newts, according to the literature, has weak impact on crustaceans, and there are more references about coexistence between newts and large crustaceans due to newts low digestion rate (Schabetsberger et al, 1996(Schabetsberger et al, , 2006Jersabek et al, 2001). Moreover, the higher relative abundance of rotifers in the non-vegetated compared to the vegetated areas could be a result of other biotic interactions, for instance competition with crustaceans (Bogdan and Gilbert, 1987;Cazzanelli et al, 2008) and avoidance of tactile predators, i.e. insect larvae, in the litoral zone (Burks et al, 2001b;Meerhoff et al, 2007;Gonza´lez-Sagrario et al, 2009).…”

Section: Reservoir and Macrophyte Habitats As A Zooplankton Sourcementioning

confidence: 99%

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Submerged macrophytes as a habitat for zooplankton development in two reservoirs of a flow-through system (Papuk Nature Park, Croatia)

Špoljar

Dražina

Šargač

et al. 2012

Ann. Limnol. - Int. J. Lim.

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-In order to determine the influence of lentic habitats and macrophyte stands on the plankton development and seston flux, an investigation of zooplankton was carried out in the karst Jankovac flowthrough system (Papuk Nature Park, Croatia). The system was characterized by low abundance (1-116 ind.L x1 ) and high diversity of identified zooplankton. Eighty-six taxa were recorded, comprising 57 rotifers, 15 cladocerans, 8 copepods and 6 members of other groups of organisms. The spatial oscillations of environmental parameters and biocoenosis assemblage revealed statistically significant differences between lotic and lentic habitats, as well as between vegetated and non-vegetated stations. These differences mainly respond to higher concentration of food resources and zooplankton/zooseston abundance and biomass in lentic, especially vegetated, habitats. This is also proved by results of principal component analysis (PCA), which suggested that the main drivers of development of the planktonic community were the food resources and the avoidance of flow velocity. Accordingly, shoreline areas with submerged macrophyte stands of Hippuris vulgaris L. were the most productive parts, represented by highest zooplankton abundance, biomass and biodiversity. Flow velocity significantly affected crustaceans assemblage, so that higher abundances of the larger cladocerans and copepods were achieved in vegetated stations with low flow velocity, while rotifers showed to be rheotolerance organisms. On the other hand, the longitudinal discontinuum of the stream channel by two man-made reservoirs could offer new habitats to enrich seston with organic particles and bioseston. The results of our study pronounce the need for further monitoring of this hydrosystem, especially considering biodiversity and microhabitats conservation.

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Section: Discussionsupporting

confidence: 94%

Section: Reservoir and Macrophyte Habitats As A Zooplankton Sourcementioning

confidence: 99%

Submerged macrophytes as a habitat for zooplankton development in two reservoirs of a flow-through system (Papuk Nature Park, Croatia)

Špoljar

Dražina

Šargač

et al. 2012

Ann. Limnol. - Int. J. Lim.

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“…Many studies in temperate lakes found that submerged macrophytes could provide great refuges for large zooplankton against fish predation [35][36], and then decrease phytoplankton by the top-down control of phytoplankton by large zooplankton [37]. For example, Cazzanelli et al [38] stated that dense macrophytes in the littoral with a low predation risk might enhance crustacean survival. Burks et al [39] also suggested that crustaceans could take full advantage of the barrier function of macrophytes in the littoral to escape predation when a high risk of predation existed in the open water during the daytime.…”

Section: Effects Of Macrophyte Restoration On Phytoplankton Communitiesmentioning

confidence: 99%

How Submerged Macrophyte Restoration Promotes a Shift of Phytoplankton Community in a Shallow Subtropical Lake

Zeng¹,

He²,

Zhang³

et al. 2017

Pol. J. Environ. Stud.

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Submerged macrophyte restoration has been widely used to decrease phytoplankton and combat eutrophication in many temperate shallow lakes. However, very limited studies have been done to explore its potential in decreasing phytoplankton in subtropical shallow lakes. We hypothesize that macrophyte restoration can also decrease phytoplankton and shift community structures in subtropical shallow lakes. In order to test our hypothesis, we consistently investigated submerged macrophytes, nutrients, and phytoplankton for three years in a shallow subtropical lake. Multiple analytical methods were employed to assess the effect of macrophyte restoration on the phytoplankton community. The results showed that the density and biomass of total phytoplankton after restoration were less compared to those before the restoration. During the restoration, species diversity significantly increased every year, but the change in species richness was not significant. Moreover, phytoplankton community structure also transformed greatly. Especially cyanobacteria density gradually decreased until almost disappeared; Chlorophyta density also significantly decreased from 4.6 × 10 6 cell/L to 1.9 × 10 6 cell/L. Although changes in the densities of other groups were not significant, their ratios in total phytoplankton significantly increased. The changes in four dominant species were also significant during the restoration, with Microcystis aeruginosa, M. incerta, and Chlamydomonas sp. significantly decreasing, but Chlorella pyrenoidosa significantly increasing. Correlation analysis between phytoplankton and environmental factors (macrophyte and water quality) showed that macrophytes were negatively correlated with total phytoplankton, TN, and COD, but total phytoplankton was positively correlated with TN and COD. These relations indicated that macrophyte restoration might not only directly inhibit phytoplankton growth, but also indirectly decrease phytoplankton by both bottom-up and top-down controls of phytoplankton. Therefore, these results basically proved our hypothesis, and more attention should be focused on this method in future lake management.

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“…Aquatic vegetation, which shapes the structural environment for a variety of invertebrates in many systems (Stansfield et al, 1997;Cazzanelli et al, 2008), is often of primary importance. This is why, even if a pond is of a small area and depth, it is crucial to carry out research in various microhabitats which vary in their spatial complexity.…”

Section: Introductionmentioning

confidence: 99%

Zooplankton diversity and macrophyte biometry in shallow water bodies of various trophic state

Kuczyńska‐Kippen

Joniak

2015

Hydrobiologia

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In order to determine whether using indicators of zooplankton diversity and macrophyte parameters (density and biomass) could be a useful tool for diagnosing the water quality of ponds we hypothesised that in various trophic types of shallow water bodies parameters of a macrophyte habitat will reflect zooplankton diversity. Thus, 439 stations (open water, helophytes, elodeids) were studied among 274 pastoral ponds (mid-west Poland). In each trophic state of waters a key predictor of zooplankton diversity was biomass of macrophytes attributed to a variety of ecological types or various species of macrophytes. A shift from the high importance of elodeids (e.g. Myriophyllum, Ceratophyllum demersum) in structuring zooplankton diversity in mesotrophic waters to helophytes (Typha angustifolia, Phragmites australis, Schoenoplectus lacustris) in hypereutrophic ponds was recorded. Hypereutrophy proved to be extremely unfavourable for zooplankton, as reflected in its lowest diversity; rotifers reached their optimum in eutrophy and crustaceans in mesotrophy. Adverse environmental conditions in hypereutrophic waters caused the elimination of macrophyte-dominated refuges, thereby lowering the macrophyte-site share, which ranged from 47% in eutrophy, 40% in mesotrophy to only 20% in hypereutrophy. Therefore, we assume that zooplankton diversity and macrophyte occurrence can be used for quality assessment of small water bodies.

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Emergent and floating-leaved macrophytes as refuge for zooplankton in a eutrophic temperate lake without submerged vegetation

Abstract: Several studies have shown that submerged macrophytes provide a refuge for zooplankton against fish predation, whereas the role of emergent and floating-leaved species, which are often dominant in eutrophic turbid lakes, is far less investigated.

Cited by 94 publications

References 33 publications

Submerged macrophytes as a habitat for zooplankton development in two reservoirs of a flow-through system (Papuk Nature Park, Croatia)

Submerged macrophytes as a habitat for zooplankton development in two reservoirs of a flow-through system (Papuk Nature Park, Croatia)

How Submerged Macrophyte Restoration Promotes a Shift of Phytoplankton Community in a Shallow Subtropical Lake

Zooplankton diversity and macrophyte biometry in shallow water bodies of various trophic state

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