Cladocerans from gut content of fishes from Guaporé River Basin, MT, Brazil

Elmoor-Loureiro, Lourdes M. A.; Soares, Carlos Eduardo Aguiar

doi:10.4322/actalb.02201006

Cited by 7 publications

(1 citation statement)

References 12 publications

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“…been reduced by the increasing number of studies that have resulted in a consistent species list, and also studies showing records of species not previously known in the country (e.g. Velho et al, 2000;Elmoor-Loureiro, 2002;Elmoor-Loureiro et al, 2004Santos-Wisniewski et al, 2001Serafim Junior et al, 2003;Zanata et al, 2003;Guntzel et al, 2004;Sinev et al, 2005;Lopes et al, 2006;Lansac-Tôha et al, 2009;Sousa et al, 2009Sousa et al, , 2010Van Damme and Dumont, 2010;Elmoor-Loureiro and Soares, 2010;Ghidini and Santos-Silva, 2011;Sousa and Elmoor-Loureiro, 2011). The descriptions of new species have also contributed to a better understanding of the biodiversity of these microcrustaceans in Brazilian territory (Sinev and Hollwedel, 2002;Kotov and Elmoor-Loureiro, 2008;Sinev and Elmoor-Loureiro, 2010;Bekker et al 2010;.…”

Section: Methodsmentioning

confidence: 99%

How many species of cladocerans (Crustacea, Branchiopoda) are found in Brazilian Federal District?

Sousa

Elmoor-Loureiro

2013

Acta Limnol. Bras.

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AIM: This study aimed provides a checklist of cladocerans and also an evaluation of richness and species composition in the Federal District, Brazil. METHODS: Checklist of cladocerans was obtained evaluating data from the literature, from taxonomic collection (Elmoor-Loureiro's collection) and from fauna surveys conducted over more than three decades in different types of aquatic environments. RESULTS: The 57 water bodies studied showed 56 species, of which 14 are new records. The number of species contained in the list displayed corresponds to 85% of what was expected for richness estimators. The highest number of species was observed in the lentic water bodies (52), which also presented the specific composition of fauna (R = 0.110; p = 0.016), possibly because there were samples taken among the aquatic vegetation. According to our understanding, some species may be subject to local extinctions because they inhabit water bodies located exclusively in urban areas, which can lead to a decline in richness. CONCLUSION: Thus, the results of this study can assist in monitoring aquatic environments and in selection of new areas for surveys of cladocerans in the Federal District.

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Section: Methodsmentioning

confidence: 99%

How many species of cladocerans (Crustacea, Branchiopoda) are found in Brazilian Federal District?

Sousa

Elmoor-Loureiro

2013

Acta Limnol. Bras.

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Effects of vertebrate and invertebrate predators on the life history of Daphnia similis and Moina macrocopa (Crustacea: Cladocera)

Santangelo

Soares

Paes

et al. 2018

Ann. Limnol. - Int. J. Lim.

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Cladocerans serve as prey for several aquatic predators like fish and Chaoborus larvae. However, because different predators consume different sized prey, cladocerans may display differing life-history responses depending on predator type. Although most studies use the genus Daphnia to evaluate phenotypic plasticity in cladocerans, other genera might also respond to predator infochemicals. In this study, we compared life-history responses of Daphnia similis and Moina macrocopa to infochemicals released by a vertebrate (fish) and an invertebrate (Chaoborus) predator. As expected, some life-history parameters were altered depending on the type of predator. Overall, fish infochemicals increased the size at primipara, clutch size, net reproductive rate and longevity in both cladocerans. We argue that increased body lengths in the presence of fish promote bigger clutch sizes. Conversely, responses to Chaoborus were weaker, affecting only the net reproductive rates and longevity. Non-daphniid cladocerans may display similar responses to Daphnia when exposed to predators. However, as Daphnia is usually underrepresented in tropical lakes, studying other genera might offer new insights into predator-prey relationships and food webs in lake ecosystems.

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Cladocera (Crustacea: Branchiopoda) from the state of Mato Grosso, Brazil

Brito

Diniz

Pozzobom

et al. 2020

Ann. Limnol. - Int. J. Lim.

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Studies on Cladocera biodiversity in Brazilian freshwater ecosystems are intensifying. However, the fauna of some hydrographic regions is still poorly known. We investigated the richness and species composition of cladocerans in lakes of the Pantanal from the state of Mato Grosso (Paraguay hydrographic region), Brazil. In addition, we cataloged the known cladoceran species in each hydrographic region of the state. Occurrence data were obtained from the literature and samples collected from 50 lakes in the northern Pantanal. We recorded 120 cladoceran species from eight families in the state of Mato Grosso. The occurrence of these species was recorded in the Amazon and Paraguay hydrographic regions. We are unaware of studies on cladocerans conducted in the Tocantins-Araguaia hydrographic region. We reported 17 new records in the Pantanal samples (Paraguay hydrographic region). Overall, richness estimates reveal that 72.6% of the state's cladoceran fauna is already known, while for the Paraguay hydrographic region this estimate is 72.2%. In general, the cladocerans from the Amazon and Paraguay regions did not differ. Our findings allow us to infer the need for further studies in the different hydrographic regions found in Mato Grosso in order to improve the knowledge of cladoceran biodiversity. We suggest a greater sampling effort, particularly in the littoral zone of aquatic ecosystems in this state, which can harbor great biodiversity.

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Cladocerans from gut content of fishes from Guaporé River Basin, MT, Brazil

Cited by 7 publications

References 12 publications

How many species of cladocerans (Crustacea, Branchiopoda) are found in Brazilian Federal District?

How many species of cladocerans (Crustacea, Branchiopoda) are found in Brazilian Federal District?

Effects of vertebrate and invertebrate predators on the life history of Daphnia similis and Moina macrocopa (Crustacea: Cladocera)

Cladocera (Crustacea: Branchiopoda) from the state of Mato Grosso, Brazil

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