Distribution patterns of Terebellidae (Annelida: Polychaeta): an application of Parsimony Analysis of Endemicity (PAE)

Garraffoni, André Rinaldo Senna; Nihei, Silvio Shigueo; Lana, Paulo da Cunha

doi:10.3989/scimar.2006.70s3269

Cited by 36 publications

(9 citation statements)

References 40 publications

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“…This contrasts with previous studies (Fauchald 1984), in which polychaete genera or families were found to be poor biogeographic indicators. Instead, it agrees well with results from recent studies based on phylogenetic analysis on a global scale (Glasby 2005, Garraffoni et al 2006.…”

Section: Comparisons With Available Knowledgesupporting

confidence: 92%

Biological geography of the European seas: results from the MacroBen database

Arvanitidis¹,

Somerfield²,

Rumohr³

et al. 2009

Mar. Ecol. Prog. Ser.

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This study examines whether or not biogeographical and/or managerial divisions across the European seas can be validated using soft-bottom macrobenthic community data. The faunal groups used were: all macrobenthos groups, polychaetes, molluscs, crustaceans, echinoderms, sipunculans and the last 5 groups combined. In order to test the discriminating power of these groups, 3 criteria were used: (1) proximity, which refers to the expected closer faunal resemblance of adjacent areas relative to more distant ones; (2) randomness, which in the present context is a measure of the degree to which the inventories of the various sectors, provinces or regions may in each case be considered as a random sample of the inventory of the next largest province or region in a hierarchy of geographic scales; and (3) differentiation, which provides a measure of the uniqueness of the pattern. Results show that only polychaetes fulfill all 3 criteria and that the only marine biogeographic system supported by the analyses is the one proposed by Longhurst (1998). Energy fluxes and other interactions between the planktonic and benthic domains, acting over evolutionary time scales, can be associated with the multivariate pattern derived from the macrobenthos datasets. Third-stage multidimensional scaling ordination reveals that polychaetes produce a unique pattern when all systems are under consideration. Average island distance from the nearest coast, number of islands and the island surface area were the geographic variables best correlated with the community patterns produced by polychaetes. Biogeographic patterns suggest a vicariance model dominating over the founder-dispersal model except for the semi-closed regional seas, where a model substantially modified from the second option could be supported.

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Section: Comparisons With Available Knowledgesupporting

confidence: 92%

Biological geography of the European seas: results from the MacroBen database

Arvanitidis¹,

Somerfield²,

Rumohr³

et al. 2009

Mar. Ecol. Prog. Ser.

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“…In spite of the apparent ease of observation of morphological variability, there are still wide gaps in the knowledge of the ontogeny of many polychaete groups. One example is the family Terebellidae, with more than 550 valid species grouped in 72 different genera, which occurs worldwide from shallow waters to deep oceans (Hutchings 2000; Rouse 2001; Garraffoni et al. 2006; Garraffoni and Lana 2008), and whose reproductive biology and ontogeny remain little studied.…”

Section: Introductionmentioning

confidence: 99%

A critical review of ontogenetic development in Terebellidae (Polychaeta)

Garraffoni

Lana

2010

Acta Zoologica

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Garraffoni, A.R.S. and Lana, P.C. 2010. A critical review of ontogenetic development in Terebellidae (Polychaeta). -Acta Zoologica (Stockholm) 91: 390-401.This study reviews the ontogenetic variability of the head, the first segments and the uncini in Terebellidae, based on primary literature and development series of four terebellid species. We test hypotheses on character homologies and indicate informative characters for future phylogenetic analyses. The prostomium, identified as the region above the prototroch band of the larva, in addition to being the region of origin of the buccal tentacles, contains a series of nerves originating from the cerebrum. The peristomium, which contains the mouth, is innervated by the stomogastric nerve and consists of upper and lower lips and an internal pharynx. The loss of the first notochaetae and neurochaetae in the course of development is a recurrent pattern in terebellids. The claviform chaetae disappear with age and growth, and can be used to define the larval stage. Chaetogenesis shows that the long shaft-shaped manubrium and posterior process develop from different regions. The uncini terminology 'double rows' was reinterpreted and renamed 'inverted rows', which better reflects the inversion of chaetal positions during ontogenetic development.

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“…A PAE é difundida em análises biogeográficas, especialmente em estudos que visam encontrar padrões de endemismo para a fauna ou flora terrestre. Há somente sete trabalhos que utilizam essa metodologia em alguns grupos de organismos marinhos, a saber: para crustáceos anfípodes (Myers, 1991;Winfield et al, 2006); esponjas (Maldonado & Uriz, 1995); poliquetos (Glasby & Alvarez, 1999;Garraffoni et al, 2006;Moreno et al, 2006 Uma vez que a coluna de água da maioria das estações de coleta apresentou mais de um tipo de massa de água, foram criadas categorias para cada uma das possíveis combinações observadas entre as três massas de água presentes na PCSE: Água Costeira (AC), Água Tropical (AT) e Água Central do Atlântico Sul (ACAS). Foi determinado que a massa de água considerada como principal seria aquela predominante na coluna de água; a secundária, aquela que apresentou ocupação intermediária entre a principal e a terciária, e esta última a que menos contribuiu para a formação da coluna de água (tabela 3.1).…”

Section: Introductionunclassified

Estudo faunístico e da distribuição das hidromedusas (Cnidaria, Hydrozoa) da região compreendida entre Cabo Frio (RJ) e Cabo de Santa Marta Grande (SC), Brasil

Tronolone¹

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Brazil has an extensive marine coast of over 9.200 km. However, the taxonomical, biogeographical and ecological knowledge of the organisms present in coastal and neritic waters is scanty. Although the gelatinous plankton constitutes one of the main groups of pelagic predators, is abundant and relatively large, in size, it is usually underestimated in number and importance by the traditional sampling methods. Hydrozoa are one of the most numerous and common groups in this planktonic community. Among the works on hydromedusae, only some included extensive areas of the Brazilian continental shelf, although sampling of oceanographic expeditions, as the ones accomplished by the Instituto Oceanográfico of the Universidade de São Paulo (IO-USP), are available for study. The goal of this study is to survey the hydromedusae species collected by two oceanographic expeditions by the Brazilian vessel carried out by IO-USP along the continental shelf between Cabo Frio (RJ) and Cabo de Santa Marta Grande (SC) (South Brazil Bight-SBB), in 1991 and 2001: Sardinha 1 and PADCT 2. The diversity and geographic distribution of the hydromedusae fauna were analyzed. Data were interpreted trying to infer correlations in the distribution of the species with the characteristic water masses present in the area (Coastal Water-CW; Tropical Water-TW; South Atlantic Central Water-SACW). The distribution data were also used in a Parsimony Analysis of Endemicity (PAE), to verify possible endemic areas of the species. From the 155 samples a total of 51,808 hydromedusae specimens were found, belonging to 20 species/morphotypes: 10 Anthoathecata; 5 Leptothecata; 3 Trachymedusae; 2 Narcomedusae. The diversity and abundance of the species were lower in the samples of PADCT 2 when compared to Sardinha 1. All of the species had already been recorded for the Brazilian coast; however, some had their geographical distributions enlarged. Liriope tetraphylla and Aglaura hemistoma were the most frequent and abundant species in the samples of the Sardinha 1 and PADCT 2, respectively. There are indications that the geographical distributions of some species are associated, as Aglaura hemistoma and Corymorpha gracilis; Solmundella bitentaculata and the pair Aglaura hemistoma-Liriope tetraphylla; Turritopsis nutricula and Proboscidactyla ornata, the last association usually occurring when both species are abundant. The relative low number of hydromedusae species found in SBB can be consequence of the sampling method, which did not aim at the gelatinous plankton. However, among the 20 identified species/morphotypes are the most frequent species already recorded for SBB, as Aglaura hemistoma, Liriope tetraphylla, Rhopalonema velatum, Solmundella bitentaculata and Turritopsis nutricula.. Some species distributions are associated to specific water masses like Turritopsis nutricula, Niobia dendrotentaculata, Proboscidactyla ornata, Solmundella bitentaculata and Corymorpha gracilis in a mixture of SACW and CW. Most individuals of Liriope tetraphylla and Eucheilota duo...

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Distribution patterns of Terebellidae (Annelida: Polychaeta): an application of Parsimony Analysis of Endemicity (PAE)

Cited by 36 publications

References 40 publications

Biological geography of the European seas: results from the MacroBen database

Biological geography of the European seas: results from the MacroBen database

A critical review of ontogenetic development in Terebellidae (Polychaeta)

Estudo faunístico e da distribuição das hidromedusas (Cnidaria, Hydrozoa) da região compreendida entre Cabo Frio (RJ) e Cabo de Santa Marta Grande (SC), Brasil

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