Vanessa S. Daga

Universidade Federal do Paraná

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Co-Authors

Jean Ricardo Simões Vitule

Universidade Federal do Paraná

Valter M. Azevedo‐Santos

Universidade Federal do Tocantins

André Andrian Padial

Universidade Estadual de Maringá

Fernando Mayer Pelicice

Universidade Federal do Tocantins

ÉA

Éder André Gubiani

Universidade Estadual do Oeste do Paraná

Luis Artur Valões Bezerra

Institute of Hydrobiology, Biology Centre, Academy of Sciences of the Czech Republic

André Lincoln Barroso Magalhães

Universidade Federal de Ouro Preto

Philip M. Fearnside

National Institute of Amazonian Research

Mário Luís Orsi

Universidade Estadual de Londrina

Dilermando P. Lima-Júnior

Universidade Federal de Mato Grosso

Cooperative Institutions

Universidade de São Paulo

142

Universidade Estadual Paulista (Unesp)

122

Universidade Federal do Rio Grande do Sul

Universidade Federal do Rio de Janeiro

Universidade Federal do Paraná

Universidade Federal de Minas Gerais

Instituto Chico Mendes de Conservação da Biodiversidade

Universidade Federal de Goiás

Universidade Estadual de Maringá

Consejo Nacional de Investigaciones Científicas y Técnicas

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Functional homogenization in aquatic ecosystems: a review and framework proposal

Hydrobiologia (2022)

Lorraine Lopes Cavalcante Vanessa S. Daga Raul Rennó Braga André Andrian Padial

Homogenization

Marine ecosystem

Anthropocene

Temporal scales

10.1007/s10750-022-04919-4

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Citations (9)

CCDC 172151: Experimental Crystal Structure Determination

The Cambridge Structural Database (2002)

Vanessa S. Daga S.K. Hadjikakou Nick Hadjiliadis M. Kubicki João Henrique Zimnoch dos Santos

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/cc5s48b

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Taxonomic and functional differentiation in Brazilian creeks driven by the mass introduction of ornamental fish

Hydrobiologia (2024)

André Lincoln Barroso Magalhães Jean Ricardo Simões Vitule Jiří Patoka Vanessa S. Daga Fernando Mayer Pelicice

Ornamental plant

10.1007/s10750-024-05732-x

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A network meta‐analysis of threats to South American fish biodiversity

Fish and Fisheries (2019)

Luis Artur Valões Bezerra Matheus Oliveira Freitas Vanessa S. Daga Thiago Vinicius Occhi Larissa Faria

Abstract While environmental alterations have made Homo sapiens the hyperkeystone species of the globe, biotic homogenization initiated a new era, the “Homogenocene.” Still, some terrestrial and aquatic ecosystems in South America are considered pristine and wild, which can lead to a general faith that economic progress is consistent with conservation strategies, even without scientific support. We compiled anthropogenic threats to fish biodiversity in a hierarchical meta‐analysis, along with an evidence synthesis of threats related to biological invasions, based on peer‐reviewed research with the aim to represent the actual conservation status of the South American ichthyofauna. We highlighted human‐related threats and synergistic effects of biological invasions, climate change, environmental alterations (e.g., pollution, aquaculture and damming) and fisheries. Considering measures that reinforce novel alien fish (e.g., artificial hybrids or genetically modified) introductions, it became clear why an eventual increase in local or regional species richness is not always beneficial to aquaculture, biodiversity, human well‐being or nature. In fact, citizens in all societal roles, including scientists, should revise their concepts about threats to fish biodiversity. Environmental policies require more than taxonomic diagnostics to achieve conservation goals under an incompatible scenario of a multiplying number of fish species and biotic homogenization. We advocate for countries in South America using science‐based strategies useful to maintain their social and economic growth along with their “remaining nature.” We live a crucial moment when the government overlooks threats to biodiversity and uses agribusiness as the most acceptable manner of fuelling the economy.

10.1111/faf.12365

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Citations (60)

Effects of abiotic variables on the distribution of fish assemblages in streams with different anthropogenic activities in southern Brazil

Neotropical Ichthyology (2012)

Vanessa S. Daga Éder André Gubiani Almir Manoel Cunico Gilmar Baumgartner

Studies on fish assemblages in streams point out, that understanding the relationship between species and their environment is crucial for conservation. The present study aimed at evaluating the effects of changes in abiotic variables on the composition and structure of fish assemblages in Neotropical urban streams from southern Brazil with different levels of urbanization. The composition and structure of fish assemblages showed significant differences along the urbanization gradient observed in the streams. Tolerant and non-native species were found in more urbanized sites. A matrix correlation revealed a relationship between abiotic variables and the spatial pattern of structure and composition of fish assemblages. Abiotic variables, such as total phosphorus, dissolved oxygen, and conductivity, determined the distribution of fish assemblages. Streams without urban influence exhibited intrinsically low species richness, suggesting that they are highly susceptible to species loss and diversity reduction. Thus, changes in water quality or hydrological conditions induced by urbanization may intensify these impacts.

Biotic component

10.1590/s1679-62252012000300018

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Citations (40)

Biology, ecology and biogeography of the South American silver croaker, an important Neotropical fish species in South America

Reviews in Fish Biology and Fisheries (2018)

J. Queiroz Eduardo Meneguzzi Brambilla James R. Garcia‐Ayala Fábio Alexandre Travassos Vanessa S. Daga

Propagule pressure

Overfishing

Species distribution

10.1007/s11160-018-9526-1

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Citations (17)

Fish, Toledo urban streams, São Francisco Verdadeiro River drainage, upper Paraná River basin, state of Paraná, Brazil

Check List (2010)

Éder André Gubiani Vanessa S. Daga Vitor André Frana Weferson Júnio da Graça.

In the Toledo metropolitan area there are many small headwater streams which suffer the influence of the urban development (pollution, deforestation, introduction of non-native species). The list of fish species in these sites is important for the knowledge on biodiversity in similar environments. Samples were taken bimonthly from October 2007 to February 2009 in three sites (headwater, middle and mouth) along of the three streams within urbanization gradient in the city of Toledo. A total of 27 fish species ascribed to 18 Genera, six Orders and 11 Families were collected, among which four species are non-native species, and seven are probably new to the science.

Deforestation

10.15560/6.1.045

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Citations (17)

Fisheries and biotic homogenization of freshwater fish in the Brazilian semiarid region

Hydrobiologia (2020)

Marcelo Fulgêncio Guedes de Brito Vanessa S. Daga Jean Ricardo Simões Vitule

Homogenization

Fresh water fish

10.1007/s10750-020-04236-8

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Citations (43)

Imminent threat of the predator fish invasion Salminus brasiliensis in a Neotropical ecoregion: eco-vandalism masked as an environmental project

Perspectives in Ecology and Conservation (2017)

Vinícius Ricardo Ribeiro Pedro Rogério Leandro da Silva Éder André Gubiani Larissa Faria Vanessa S. Daga

Sport fishing is an activity responsible for moving millions of dollars around the world. However, this activity is also considered to cause habitat degradation and promoting several negative effects on the ichthyofauna. The ``Iguaçu Dourado'' project, presented here, seeks to intensify the potential of sport fishing in the Iguaçu River Basin. Although not explicit, the project intends to introduce Dourado (Salminus brasiliensis), as well as to encourage sport fishing of the species in the Iguaçu River Basin. Twenty specimens were captured in the Salto Santiago and Salto Osório reservoirs from 2003 to 2016, thus indicating that the invasion of S. brasiliensis can be successful and extremely harmful to the endemic fauna of the basin. We believe that the so-called project is characterized by an attitude of eco-vandalism, promoting the illegal release of species outside its area of occurrence. Awareness-raising measures as well as educational programs should be addressed so that the population can be informed about the issue of invasion of non-native species.

Ecoregion

10.1016/j.pecon.2017.03.004

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Citations (25)

Fish larvae assemblages in two floodplain lakes with different degrees of connection to the Paraná River, Brazil

Neotropical Ichthyology (2009)

Vanessa S. Daga Tatiane Mary Gogola Paulo Vanderlei Sanches Gilmar Baumgartner Dirceu Baumgartner

The objective of this study was to assess the abundance, attributes of assemblages, and spatial and temporal distributions of fish larvae and their relationships with some abiotic variables in two floodplain lakes with different degrees of connection to the Paraná River in Ilha Grande National Park, PR, Brazil. Four sampling sites were chosen, two in each floodplain lake. Night samples were taken with plankton nets during three spawning seasons (monthly, from October to March) from 2001 to 2005. The highest diversity and abundance were recorded at Saraiva Lake, with 25 taxa being identified. In Xambrê Lake, only sedentary species were captured, and the most abundant species were Plagioscion squamosissimus and Hypophthalmus edentatus. The greatest abundance of larvae was found in the second spawning season. In the Saraiva Lake, the most abundant species were Moenkhausia aff. intermedia, Hyphessobrycon sp., and Bryconamericus stramineus, but larvae of known migratory species were also documented. In this lake, the greatest abundance of larvae was found in the third spawning. Larvae abundance was influenced by water temperature and conductivity. The high diversity and abundance recorded in Saraiva Lake may be a result of its connectivity with the Paraná River, and the low diversity and abundance observed at Xambrê Lake are likely due to its isolation from the river. This work shows the importance of these lagoons for fish development, for both sedentary and migratory species. Both lagoons may be considered to have extreme ecological importance and they are also extremely susceptible to impacts, so any careless disturbance may cause irreversible damage.

10.1590/s1679-62252009000300010

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Citations (33)