Macrozoobenthos assemblage patterns in European carp (<i>Cyprinus carpio</i>) ponds − the importance of emersed macrophyte beds

Kajgrová, Lenka; Adámek, Zdeněk; Regenda, Ján; Bauer, Christian; Stejskal, Vlastimil; Pecha, Oldřich; Hlaváč, David

doi:10.1051/kmae/2021008

Cited by 8 publications

(5 citation statements)

References 29 publications

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“…However, the relatively large-sized C. lateralimarginalis, considered to be a fast swimmer adapted to living in open water (Ribera and Nilsson 1995), was caught exclusively in a littoral vegetation habitat. It is possible that predatory beetles find more prey in the littoral zone (Kajgrova et al 2021). Some of the phytophilous coleopterans occurring in the study ponds, including small crawling species, such as Haliplidae, or Noteridae, which burrow in the bottom substrate and in root mats (Yee and Kehl 2015), show a 'natural' propensity for vegetated habitat, not directly related to a need for protection from predators.…”

Section: Effects Of Fish On Macroinvertebrate Groupsmentioning

confidence: 99%

“…The outcomes of interactions between fish and invertebrates in large waterbodies, consisting of distinct mesohabitats, are influenced by the presence and character of complex-structured vegetation (Gilinsky 1984;Diehl 1992;Rennie and Jackson 2005;Kajgrova et al 2021). Aquatic vegetation enhances habitat and resource diversity and influences abiotic parameters such as light penetration depth, temperature, dissolved organic matter and oxygen concentration in the water (Diehl and Kornijów 1998;Lürig et al 2021).…”

Section: Introductionmentioning

confidence: 99%

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Differential abundance, composition and mesohabitat use by aquatic macroinvertebrate taxa in ponds with and without fish

et al. 2022

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Fish are known to pose strong effects on invertebrate abundance, species richness and assemblage structure. Littoral vegetation may play a crucial role as a refuge for invertebrates vulnerable to fish predation. We studied relative densities and taxonomic composition of water mites, aquatic beetles and bugs in large lake-like ponds with different fish status (fish-free and containing fish) and mesohabitats (emergent littoral vegetation and open water zone). The macroinvertebrate taxa differed in their responses to the fish presence and in mesohabitat preferences. The density and species richness of water mites were greater in fish-containing ponds, while no differences were found between littoral and open-water habitats. In contrast, beetles were far more numerous and species-rich in fish-free ponds and in littoral vegetation. Total densities of aquatic bugs were non-significantly higher in fish-containing ponds, and they preferred littoral areas, but species richness was independent of fish presence and mesohabitat. No statistical interactions between fish presence and the densities of individual macroinvertebrate groups in the littoral habitat were detected, indicating that their use of emergent littoral vegetation was not an antipredator response to fish. The assemblages of the three macroinvertebrate taxa exhibited nested structures of a different order, consistent with their species richness patterns. Our research stresses the importance of littoral vegetation for the distribution and abundance of aquatic insects; however, high fish presence may not affect or may even benefit ecologically important macroinvertebrate groups, such as water mites or bugs.

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Section: Effects Of Fish On Macroinvertebrate Groupsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Differential abundance, composition and mesohabitat use by aquatic macroinvertebrate taxa in ponds with and without fish

et al. 2022

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“…Aquaculture impacts macroinvertebrates mainly indirectly, through macrophyte development (Broyer & Curtet, 2011; Miller & Crowl, 2006; Šetlíková et al, 2016). Freshwater invertebrates depend on macrophytes both for feeding and as refugia from predators (Kajgrova et al, 2021). By inhibiting macrophyte development, fish (especially common carp) indirectly decrease invertebrate settlement and survival (Broyer & Curtet, 2011; Williams et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

“…Intensification of aquaculture practices may have long‐term negative impacts. In the Czech Republic, intensification of practices have caused Czech carp ponds to become eutrophic or hypertrophic (Pechar, 2000), and they now have lower macroinvertebrate abundance and diversity than in the 1950s (Kajgrova et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Aquatic macroinvertebrate abundance in French experimental polyculture fishponds

Maillot,

Roucaute,

Jaeger

et al. 2023

Ecol Sol and Evidence

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Ponds host a variety of invertebrate species and contribute greatly to global biodiversity. Aquaculture influences macroinvertebrate diversity and productivity in ponds through several practices, such as macrophyte and water management. Fish stocking is also considered controversial for preserving biodiversity through the direct predation upon natural species and changes induced on the biotope. An experiment examined whether compartmentalized ponds with temporarily fish‐free areas had higher fish productivity and macroinvertebrate abundance and diversity than open ponds. The experimental design consisted of two treatments—compartmentalized (C) or open (O)—each applied to three ponds. Roach (Rutilus rutilus), tench (Tinca tinca) and common carp (Cyprinus carpio) were stocked in the ponds in March 2021. Juvenile pikeperch (Sander lucioperca) were stocked in the ponds in June. In the C ponds, three areas were created and opened successively: (C1) corresponding to ¼ of the pond surface to host roach, tench and common carp from March to May; (C2) ¼ of the pond surface restricted to fish from March to May; and (C3) ½ of the surface restricted to fish from March to July, except for juveniles of pikeperch which were stocked in June. We investigated patterns in abundance, dry biomass and productivity of macroinvertebrates four times from March to October. This article presents observed macroinvertebrate abundances and weighted dry biomass, and productivity estimated from them. Overall, 77,749 individuals were identified, of which one‐third were Chironomini and another one‐third were Oligochaeta. The invasive red swamp crayfish (Procambarus clarkii) was found in one pond in October. The two highest taxonomic richness values were found in C ponds (71 and 69 taxa). The lowest taxonomic richness (61 taxa) was in an O pond. Although dry biomass was clearly higher in the C ponds in March, no tendency could be seen between C and O ponds throughout the experiment. No difference in productivity was found between the C and O ponds among the experiment. By reporting macroinvertebrate abundance, biomass, productivity, size classes, developmental stages and high‐resolution taxonomic identification in a freshwater polyculture system, this dataset is one of the first of its kind.

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“…In intensively used carp ponds, macroinvertebrate abundances are expected to be drastically reduced compared to natural ponds. However, in moderately stocked ponds with macrophyte areas, macrophyte zones can act as a refuge in which emergent insect production is high (Kajgrova et al, 2021 ). Thus, depending on their management, carp ponds may be locally important areas of insect emergence, providing valuable dietary energy and essential nutrients to riparian consumers (Gratton & Vander Zanden, 2009 ; Dreyer et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Export of dietary lipids via emergent insects from eutrophic fishponds

et al. 2022

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Fishponds, despite being globally abundant, have mainly been considered as food production sites and have received little scientific attention in terms of their ecological contributions to the surrounding terrestrial environment. Emergent insects from fishponds may be important contributors of lipids and essential fatty acids to terrestrial ecosystems. In this field study, we investigated nine eutrophic fishponds in Austria from June to September 2020 to examine how Chlorophyll-a concentrations affect the biomass of emergent insect taxa (i.e., quantity of dietary subsidies; n = 108) and their total lipid and long-chain polyunsaturated fatty acid content (LC-PUFA, i.e., quality of dietary subsidies; n = 94). Chironomidae and Chaoboridae were the most abundant emergent insect taxa, followed by Trichoptera, Ephemeroptera, and Odonata. A total of 1068 kg of emergent insect dry mass were exported from these ponds (65.3 hectares). Chironomidae alone exported 103 kg of total lipids and 9.4 kg of omega-3 PUFA. Increasing Chl-a concentrations were associated with decreasing biomass export and a decrease in total lipid and LC-PUFA export via emergent Chironomidae. The PUFA composition of emergent insect taxa differed significantly from dietary algae, suggesting selective PUFA retention by insects. The export of insect biomass from these eutrophic carp ponds was higher than that previously reported from oligotrophic lakes. However, lower biomass and diversity are exported from the fishponds compared to managed ponds. Nonetheless, our data suggest that fishponds provide crucial ecosystem services to terrestrial consumers by contributing essential dietary nutrients to consumer diets via emergent insects.

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Macrozoobenthos assemblage patterns in European carp (Cyprinus carpio) ponds − the importance of emersed macrophyte beds

Cited by 8 publications

References 29 publications

Differential abundance, composition and mesohabitat use by aquatic macroinvertebrate taxa in ponds with and without fish

Differential abundance, composition and mesohabitat use by aquatic macroinvertebrate taxa in ponds with and without fish

Aquatic macroinvertebrate abundance in French experimental polyculture fishponds

Export of dietary lipids via emergent insects from eutrophic fishponds

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