Reconstructing fish populations using Chaoborus (Diptera: Chaoboridae) remains – a review

Sweetman, Jon N.; Smol, John P.

doi:10.1016/j.quascirev.2006.01.007

Cited by 79 publications

(69 citation statements)

References 94 publications

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“…Our results of local invertebrate assemblages in surface sediments of the nine lakes imply that the use of various ecologically different faunal groups and numerous taxa together may allow tracking of presence and absence of fish and therefore support the proposal of Sweetman and Smol (2006). To conclude, the present tentative implications may further enhance the knowledge of internal and long-term food-web processes in lakes, although plenty of work in enlarging the data set will be required before applicable reconstructions at different regions can be performed.…”

Section: Discussionsupporting

confidence: 79%

“…Although the determination of fish presence in lakes is very difficult and time-consuming, partly due to the uncommonness of fish-free lakes, it is still utmost important to carefully assess the lake-specific fish status. As suggested by Sweetman and Smol (2006), multi-proxy investigations of fossil invertebrate remains may allow paleolimnological interpretations of past changes in fish status in lakes.…”

Section: Discussionmentioning

confidence: 99%

“…More recently, Jeppesen et al (2002Jeppesen et al ( , 2003 showed that size and abundance of ephippia of some planktonic cladoceran species are related to fish abundance and can therefore be used as indicators for planktivorous fish stocks. Also, the well-preserved mandibles of Chaoborus (Chaoboridae) larvae have been used to infer changes in past fish populations, since Chaoborus occurs in fish-free lakes or in lakes with refugia (hypolimnion) against fish predation (Uutala, 1990;Sweetman and Smol, 2006;Luoto and Nevalainen, 2009). As stated above, in previous studies fish presence has been inferred using a single group of organisms, mostly Cladocera or Chaoborus.…”

Section: Introductionmentioning

confidence: 99%

“…As stated above, in previous studies fish presence has been inferred using a single group of organisms, mostly Cladocera or Chaoborus. However, Sweetman and Smol (2006) suggested that the use of multiple proxies, i.e. several faunal groups together, may improve the past fish inferences.…”

Section: Introductionmentioning

confidence: 99%

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Implications for the use of sedimentary invertebrate communities to infer past presence of fish

Nevalainen

Luoto

2010

Knowl. Managt. Aquatic Ecosyst.

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Key-words:Chaoborus, Chironomidae, Cladocera, community structure, paleolimnology, predationWe investigated surface sediment assemblages of invertebrates from nine shallow lakes in southern Finland and assessed the relationship between invertebrate assemblages and fish status at local scale for the purpose of paleolimnological food-web studies. Invertebrate-based cluster analysis separated the fish-free lakes into their own group and the results also showed a strong and statistically significant relationship between fish status and faunal sedimentary assemblages. The present results from the local data set indicate good potential for developing quantitative invertebrate-based paleolimnological fish status models in the future. However, for the implementation of the models substantially more lakes with different fish status need to be examined that the effect of fish predation on invertebrate communities can be separated from other limnological forcing mechanisms. RÉSUMÉImplications sur l'usage des communautés d'invertébrés sédimentaires pour inférer la présence passée de poisson Mots-clés :Chaoborus, Chironomidae, Cladocera, structure de communauté, paléolimnologie, prédation Nous avons étudié les communautés d'invertébrés du sédiment de surface de neuf lacs peu profonds du sud de la Finlande et établi la relation entre les assemblages d'invertébrés et le statut piscicole à l'échelle locale dans le but d'études paléolimnologiques des réseaux trophiques. L'analyse de classification basée sur les invertébrés a séparé les lacs sans poissons en un groupe isolé et les résultats ont aussi montré une forte et statistiquement significative relation entre le statut piscicole et les assemblages de faune sédimentée. Ces résultats d'un jeu de données locales indiquent un bon potentiel futur pour le développement de modèles quantitatifs du statut piscicole ancien basés sur la paléolimnologie des inverté-brés. Toutefois, l'implémentation des modèles demande bien plus de lacs étudiés de différents statuts piscicoles de façon à ce que l'effet de la prédation sur les communautés d'invertébrés puisse être séparé des autres mécanismes limnologiques de forçage.

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Section: Discussionsupporting

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Implications for the use of sedimentary invertebrate communities to infer past presence of fish

Nevalainen

Luoto

2010

Knowl. Managt. Aquatic Ecosyst.

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“…The larval phase lasts 7 to 12 days and the nymphal phase, from 2 to 4 days. The third phase, which takes place in the air and corresponds to the imago phase, lasting less than 10 days (Sweetman & Smol, 2006). The larval phase presents four stages.…”

Section: Introductionmentioning

confidence: 99%

Temporal dynamics of <i>Chaoborus larvae</i> (Diptera : Chaoboridae) in the tropical ecosystem (lake Ayamé I ; Côte d’Ivoire).

Diomande¹,

Tie-Bi²,

Franquet³

et al. 2010

Sci & Nature

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Chaoborus larvae are voracious predators of zooplankton able to change their specific composition and size structure. Thus they appear as competitors of fish. They also represent food for planktophage fish. The temporal dynamics of Chaoborus larvae was studied (from january to october 1997) in the fishery of Bakro (5°33'N and 3°15'W) situated in lake Ayamé I (Côte d'Ivoire). Two peaks of density were observed : the most pronouced in March (end of the major dry season) with 747 ind./m 2 , and another, less pronouced in June (end of the major rainy season), with 280 ind./m 2 . Differences between densities may well be explained by the advent of the rainy season which leads to a decline in trophic resources (zooplankton) and exposes Chaoborus larvae to predation by fish. Key-words

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Changes in water quality related to permafrost thaw may significantly impact zooplankton in small Arctic lakes

Vucic

Gray

Cohen

et al. 2020

Ecological Applications

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Rising temperatures are leading to permafrost thaw over vast areas of the northern hemisphere. In the Canadian Arctic, permafrost degradation is causing significant changes in surface water quality due to the release of solutes that can alter conductivity, water clarity, and nutrient levels. For this study, we examined how changes in water quality associated with permafrost thaw might impact zooplankton, a group of organisms that play an important role in the food web of Arctic lakes. We conducted a biological and water quality survey of 37 lakes in the Mackenzie Delta region of Canada's Northwest Territories. We then used this data set to develop models linking variation in the abundance, diversity, and evenness of zooplankton communities to physicochemical, biological, and spatial variables. Subsequently, we used these models to predict how zooplankton communities might respond as water quality is altered by permafrost thaw. Our models explained 47%, 68%, and 69% of the variation in zooplankton abundance, diversity, and evenness, respectively. Importantly, the most parsimonious models always included variables affected by permafrost thaw, such as calcium and conductivity. Predictions based on our models suggest significant increases in zooplankton abundance (1.6-3.6 fold) and decreases in diversity (1.2-1.7 fold) and evenness (1.1-1.4 fold) in response to water quality changes associated with permafrost thaw. These changes are in line with those described for significant perturbations such as eutrophication, acidification, and the introduction of exotic species such as the spiny water flea (Bythotrephes). Given their important role in aquatic food webs, we expect these changes in zooplankton communities will have ramifications for organisms at higher (fish) and lower (phytoplankton) trophic positions in Arctic lakes.

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Reconstructing fish populations using Chaoborus (Diptera: Chaoboridae) remains – a review

Cited by 79 publications

References 94 publications

Implications for the use of sedimentary invertebrate communities to infer past presence of fish

Implications for the use of sedimentary invertebrate communities to infer past presence of fish

Temporal dynamics of <i>Chaoborus larvae</i> (Diptera : Chaoboridae) in the tropical ecosystem (lake Ayamé I ; Côte d’Ivoire).

Changes in water quality related to permafrost thaw may significantly impact zooplankton in small Arctic lakes

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