Biology and management of grass carp (Ctenopharyngodon idella, Cyprinidae) for vegetation control: a North American perspective

Chilton, Earl W.; Muoneke, Maurice I.

doi:10.1007/bf00043520

Cited by 97 publications

(84 citation statements)

References 127 publications

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“…A carpa capim sendo herbívora, possui um trato digestivo de 2 a 3 vezes o comprimento do corpo, sintetizando enzimas lipases, amilases e proteases, onde a celulose não sofre sua total degradação (CHILTON;MUONEKE, 1992). Grande parte da celulose é degradada por uma flora heterotrópi-ca (10 8 bactérias/g de trato digestivo), sendo que a flora celulolítica interna encontrase abaixo de 10 3 bactérias/g de trato digestivo (LESEL; FROMAGEOT; LESEL, 1986).…”

Section: Introductionunclassified

“…Em alevinos e adultos de carpa capim ocorre o acréscimo das enzimas digestivas, principalmente a celulase no pâncreas e no intestino, em decorrência ao aumento da demanda de alimentos que carecem desta enzima para sua digestão e absorção (TRIPATHI; DATTA, 1990). Mesmo com todo esse aparato digestório a carpa capim consegue degradar apenas 50% de todo material ingerido (CHILTON;MUONEKE, 1992). Talvez esse fator seja a explicação para a grande necessidade de ingestão de alimento da carpa capim para suprir suas necessidades nutricionais (LAW; CHEAH; ANG, 1985).…”

Section: Introductionunclassified

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A Relação Peso-Comprimento e Fator de Condição para Carpa Capim (Ctenopharyngodon idella) Submetida a Diferentes Dietas

et al. 2015

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RESUMO:Ctenopharyngodon idella, popularmente conhecida como carpa capim, é uma espécie exótica que vem sendo bastante apreciada devido ao seu desempenho na piscicultura. O presente estudo foi conduzido na estação de piscicultura da Universidade Estadual do Paraná, campus de União da Vitória, com o objetivo de avaliar o efeito de três diferentes tipos de alimentação no desenvolvimento de alevinos da carpa capim. Foi utilizado um lote inicial padrão de peso médio 13,0 ± 0,58 g e comprimento total 10,0 ± 0,10 cm distribuídos em três unidades experimentais de 10 m 3 cada: (1) alevinos alimentados com forragens (milheto no período verão-primavera e azevém no outono-inverno); (2) alevinos alimentados com forragem associada com ração comercial 42% de proteína bruta; e (3) alimentados exclusivamente com ração comercial. Os resultados obtidos demonstraram diferenças significativas entre os tratamentos (p < 0,05), apesar dos tratamentos apenas com forragem e forragem consorciada com ração não diferirem estatisticamente. A relação pesocomprimento dos respectivos tratamentos foi descrito pelas seguintes equações: y = 0,013x 2,990 ; y = 0,012x 3,002 ; y = 0,018x 2,882 , e assim somente para o tratamento exclusivo com ração o crescimento foi alométrico (b < 3,0). Não houve diferença significativa no fator de condição relativo entre os tratamentos (p > 0,05). Embora para C. idella o crescimento seja melhor com dietas suplementadas com ração, no presente estudo o tratamento exclusivo com milheto ou azevém mostrou taxas de crescimento entre as superiores.

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Section: Introductionunclassified

A Relação Peso-Comprimento e Fator de Condição para Carpa Capim (Ctenopharyngodon idella) Submetida a Diferentes Dietas

et al. 2015

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“…Grass carp stocking was proposed as a method of plants removal, as duckweeds are preferred as a food source by this species (Catarino et al, 1997). Nevertheless, the effects of carp stocking seem to have negative environmental consequences, such as eutrophication and increase of phytoplankton biomass (Chilton and Muoneke, 1992;Pípalová, 2006). In recent years, there has been an increasing interest in the use of barley (Hordeum vulgare L.) straw (BS) as a water quality management tool that appears to be a promising, cheap and environmental-friendly technique in pond and lake restoration (Ó hUallacháin and Fenton, 2010).…”

Section: Introductionmentioning

confidence: 99%

The influence of barley straw extract addition on the growth of duckweed (Lemna valdivianaPhil.) under laboratory conditions

Pęczuła

Suchora

2014

Knowl. Managt. Aquatic Ecosyst.

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Key-words:duckweed, aquatic weed management, invasive species, barley straw extract, growth inhibition Due to its ability to forming dense mats in small waterbodies, duckweeds are often considered as nuisance plants in some freshwaters. Up to now, few techniques had been tested aiming towards managing duckweeds, but all of them had appeared to have some disadvantages. As an attempt to find a new effective management tool, a laboratory experiment assessing the influence of barley straw (BS) extract addition -a substance used in algal bloom control, upon the growth of the duckweed Lemna valdiviana, was performed. Reaction on two various concentrations of BS extract were quantified by measurements of changes in duckweed biomass and root length. The results showed that plants which have received the extract increased their biomass slower than that of the control, however only those with the addition of smaller amounts of BS differed significantly from the controls. Furthermore, BS addition stimulated the root growth in both experimental tanks. This implies that the mean roots length was higher, although the statistical differences were insignificant. As possible explanation for the observed changes we suggest that: (1) the growth inhibition of Lemna valvidiana under exposition to BS extract might be induced by an uptake of organic compounds from which some (phenolic substances) are (probably) toxic; (2) Grâce à leur capacité à former des tapis denses dans les petits plans d'eau, les lentilles d'eau sont souvent considérées comme des plantes nuisibles dans certaines eaux douces. Jusqu'à maintenant, quelques techniques ont été testées visant à gérer les lentilles d'eau, mais toutes ont semblé avoir quelques inconvénients. Comme tentative à trouver un nouvel outil de gestion efficace, une expé-rience de laboratoire évaluant l'influence d'addition d'extrait de paille d'orge (BS), une substance utilisée dans le contrôle de la prolifération des algues, sur la croissance de la lentille d'eau Lemna valdiviana, a été réalisée. La réaction à deux différentes concentrations d'extrait de BS a été quantifiée par des mesures de l'évolution de la biomasse et la longueur des racines de la lentille d'eau. Les résul-tats ont montré que les plantes qui ont reçu l'extrait ont augmenté leur biomasse inhibition de la croissance plus lentement que celle du témoin, mais seules celles avec l'addition de petites quantités de BS différaient significativement des témoins. Par ailleurs, l'addition de BS a stimulé la croissance des racines : dans les deux bassins expérimentaux. Ceci implique que la longueur moyenne des racines était plus élevée, bien que les différences statistiques aient été insignifiantes. Comme explication possible pour les changements observés, nous suggérons que : (1) l'inhibition de la croissance de Lemna valvidiana sous exposition à l'extrait de BS peut être induite par une absorption de composés organiques dont certains (substances phénoliques) sont (probablement) toxiques ; (2) des interactions concurrentielle...

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“…In their native areas, grass carp begin migration to spawning areas when water temperatures reach 15-17°C [6]. Water temperature and its level play key roles for inducing spawning, and it varies with latitude.…”

Section: Reproduction Of Grass Carpmentioning

confidence: 99%

“…The grass carp is one of the largest members of the family Cyprinidae and is the only member of the genus Ctenopharyngodon [5,6]. It shouldn't be confused with other carp species such as silver carp (Hypophthalmichthys molitrix), bighead carp (Hypophthalmichthys nobilis) or mud carp (Cirrhinus molitorella) These carp species are not good biological control agents for aquatic vegetation because they feed on different components of the pond ecosystem.…”

Section: The Grass Carpmentioning

confidence: 99%

Importance of Grass Carp (Ctenopharyngodon idella) for Controlling of Aquatic Vegetation

Bozkurt¹,

Yavaş²,

Gül³

et al. 2017

Grasses - Benefits, Diversities and Functional Roles

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Aquatic plants are beneficial and a necessary part of lakes and reservoirs. Also, some kind of plants are the main food source for aquatic animals. Plants are able to stabilize sediments, improve water clarity and add diversity to the shallow areas of lakes. On the other hand, overgrown plants can become a nuisance by hindering human uses of water and threaten the structure and function of diverse native aquatic ecosystems. This chapter aims to make analysis of using of grass carp to control aquatic vegetation. In this concept, origin and distribution, biological features, reproduction, feeding behaviour and effects of grass carp on aquatic plants, water body and sediments are also discussed.

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Biology and management of grass carp (Ctenopharyngodon idella, Cyprinidae) for vegetation control: a North American perspective

Cited by 97 publications

References 127 publications

A Relação Peso-Comprimento e Fator de Condição para Carpa Capim (Ctenopharyngodon idella) Submetida a Diferentes Dietas

A Relação Peso-Comprimento e Fator de Condição para Carpa Capim (Ctenopharyngodon idella) Submetida a Diferentes Dietas

The influence of barley straw extract addition on the growth of duckweed (Lemna valdivianaPhil.) under laboratory conditions

Importance of Grass Carp (Ctenopharyngodon idella) for Controlling of Aquatic Vegetation

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