Morphometric patterns of two fouling Eudendrium spp. (Hydrozoa, Anthomedusae, Eudendriidae) from São Sebastião (SP, SE Brazil)

Oliveira, Osmir Batista de; Marques, Antônio Carlos; Migotto, Álvaro Esteves

doi:10.1590/s1516-89132000000500012

Cited by 12 publications

(13 citation statements)

References 5 publications

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“…However, comparing biomass per plate (Fig. 4) OLIVEIRA et al (2000), were similar to those of the historical means (Fig. 1).…”

Section: Resultssupporting

confidence: 73%

“…After laboratory observations, plates were submersed in their original positions. Every colony of E. caraiuru higher than 8 mm, even those growing on ropes, was measured using parameters adopted by OLIVEIRA et al (2000) except for dry weight, because we…”

Section: Methodsmentioning

confidence: 99%

“…MIGOTTO et al (2001) focused on the seasonality of larval recruitment of hydroids in the São Sebastião Channel, including E. caraiuru (as E. glomeratum) and E. carneum. OLIVEIRA et al (2000) established morphometric differences between colonies of E. carneum and E. caraiuru (as E. glomeratum) for Brazil, and compared colonies with specimens from Australia, Bermuda and the Mediterranean Sea.…”

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confidence: 99%

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Population biology of Eudendrium caraiuru (Cnidaria, Anthoathecata, Eudendriidae) from São Sebastião Channel, Southeastern Brazil

Oliveira

Marques

2005

Iheringia, Sér. Zool.

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ABSTRACT. The ecology of Eudendrium spp. from the Brazilian coast is poorly known, although it already proved to be useful and important as a tool to solve some taxonomical problems of the genus. The seasonality and reproduction patterns of a population of Eudendrium caraiuru Marques & Oliveira, 2003 were studied. Data were sampled from test panels immersed in the water off Cabelo Gordo de Dentro beach, in São Sebastião Channel, Southeastern Brazil, from July 1999 to July 2000, every three months. Eudendrium caraiuru was active throughout the study period. Reproductive peaks of the species were regulated by cold and low-salinity water, although part of the population always bore mature gonophores. In addition to morphological differences, ecological differences between E. caraiuru and its similar species, E. glomeratum Picard, 1951, especially from well known populations of the Mediterranean Sea, corroborated that these species are diverse lineages of a unique ancestor.

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“…However, comparing biomass per plate (Fig. 4) OLIVEIRA et al (2000), were similar to those of the historical means (Fig. 1).…”

Section: Resultssupporting

confidence: 73%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

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Population biology of Eudendrium caraiuru (Cnidaria, Anthoathecata, Eudendriidae) from São Sebastião Channel, Southeastern Brazil

Oliveira

Marques

2005

Iheringia, Sér. Zool.

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“…A falta de consenso em relação aos caracteres morfológicos utilizados na definição de gêneros e espécies é comum entre os Hydrozoa, demandando revisões taxonômicas que buscaram esclarecer a taxonomia destes grupos (e.g., Peña-Cantero et al, 1998;Marques et al, 2005;Peña-Cantero et al, 2007 Morandini & Marques, 2010;Chen et al, 2011;Collins et al, 2011), assim como para hidroides (Oliveira et al, 2000;Shimabukuro & Marques, 2006). Além disso, o estudo do cnidoma também contribui para delimitação de espécies de Campanulariidae (e.g., Lindner & Migotto, 2001 (2, 4, 6, 8, 10, 12, 14, 16, 18, 29, 33, 35, 37, 45, 47, 49, veja Tabela 2) pela impossibilidade de medir estes em lâminas permanentes.…”

Section: Espécies De Orthopyxis Também Apresentam Morfologia Variávelunclassified

“…Ela é frequente em organismos coloniais marinhos (e.g., Bruno & Edmunds, 1998;Okamura & Partridge, 1999;Van Winkle et al, 2000;Bell & Barnes, 2000;Rossi et al, 2000;Forsman et al, 2009), sendo que a plasticidade de tamanho e forma da colônia deve estar relacionada evolutivamente à ocupação de ambientes heterogêneos (Hughes, 1989;Marfenin, 1997;Gili & Hughes, 1995). A ocorrência de variação morfológica intraespecífica nos Hydrozoa é bem documentada (e.g., Blackstone & Yund, 1989;Silveira & Migotto, 1991;Oliveira et al 2000;Shimabukuro & Marques, 2006), estando relacionada à disponibilidade de alimento (Burmann & Buss, 2008), hidrodinamismo (Silveira & Migotto, 1991;Oliveira et al 2000;Kaandorp, 1999;Griffith & Newberry 2008), latitude e temperatura da água (Naumov, 1969;Ralph, 1956), substrato de ocorrência das espécies (Hughes, 1986;Andrade & Migotto, 1999;Kubota, 2000) e interações interespecíficas (Yund, 1991;Van Winkle et al, 2000).…”

Section: Introductionunclassified

O gênero Orthopyxis (Cnidaria, Hydrozoa) no Atlântico sul-ocidental: caracterização dos limites inter e intraespecíficos a partir de dados morfológicos e moleculares

Cunha¹

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A todos os meus amigos, especialmente o pessoal do LEM e do LSM pela ajuda indescritível para a realização de todas as etapas desse trabalho. Desde minha chegada ao laboratório todas essas pessoas têm me ajudado muito, e grande parte do conhecimento que adquiri durante esses anos eu devo a elas. São elas: Thaís, Lucília, Juliana, Elaine, Camila, Marina, Maria, Nathália, Max, Mariana, Ezequiel, José Eduardo, Sabrina, Manoel, Maíra, Denis, Sarah. Também às amigas Marisa, Juliana e Paula, que moram comigo, pela companhia tão agradável, pela ajuda e apoio nos momentos em que eu mais precisei.Ao Pietro, pelo carinho e dedicação constantes. Seu apoio foi muito importante durante esses anos; Aos meus pais e irmã, pela ajuda e apoio em todos os momentos. Vocês são as luzes da minha vida, que me guiam pelos caminhos do bem e do crescimento pessoal.A todos vocês muito obrigada, e que possam receber de volta, em dobro, toda a ajuda e alegria que me proporcionaram.

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Cnidarian Alien Species in Expansion

González-Duarte

Megina

López–González

et al. 2016

The Cnidaria, Past, Present and Future

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The study of the diversity and composition of marine communities is the first step in understanding the development of marine ecosystems. While some cnidarian populations are in decline, others invade new regions and habitats. The pressure of the human actions on the marine ecosystems has increased in the past decades. The artificial structures in marine environments, shipping, aquaculture, global warming and interoceanic canals have contributed to the dispersion, establishment and invasion of many places by alien species around the world, in some cases, with major ecological and socio-economic impacts. Some cnidarian species may serve as examples of the truly widespread reach of invasive species. Benthic phase of hydroids and anthozoans are common components of harbours and fouling communities and, probably, they have been transported on ship hulls. Ephyrae and hydromedusae are also frequently found in ballast water. Additionally, the global climatic change allows cnidarian of tropical affinity to extend their range into the temperate zones. The biological invasions and range extensions may cause local native biodiversity and economic losses. Only recently have these biological invasions attracted the attention of the scientific community. Though invasive alien cnidarians are recognized now as a global threat to biodiversity, and monitoring their presence and impacts is considered a prerequisite for marine environmental management and sustainable development, it seldom takes place even in the coastal regions most vulnerable to introductions

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Morphometric patterns of two fouling Eudendrium spp. (Hydrozoa, Anthomedusae, Eudendriidae) from São Sebastião (SP, SE Brazil)

Abstract: ABSTRACT

Cited by 12 publications

References 5 publications

Population biology of Eudendrium caraiuru (Cnidaria, Anthoathecata, Eudendriidae) from São Sebastião Channel, Southeastern Brazil

Population biology of Eudendrium caraiuru (Cnidaria, Anthoathecata, Eudendriidae) from São Sebastião Channel, Southeastern Brazil

O gênero Orthopyxis (Cnidaria, Hydrozoa) no Atlântico sul-ocidental: caracterização dos limites inter e intraespecíficos a partir de dados morfológicos e moleculares

Cnidarian Alien Species in Expansion

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