e-book

A Guide to 1,000 Foraminifera from Southwestern Pacific: New Caledonia

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The first part of this guide is designed to introduce the reader to New Caledonia, a French archipelago in the tropical-subtropical southwestern Pacific (latitude 15º-26º S and longitude 156º- 174º E), with the main island (400 km long and 50 km wide) being the third largest island in the southwestern Pacific after New Guinea and New Zealand. It presents an overview of the geologic, geomorphic, oceanographic and climatic setting of New Caledonia at general, regional, and local scales. Then, the current knowledge of foraminifera, including biology and the main test components used for identification is summarized and illustrated. It is mostly destined for non-specialists and people new to foraminifera. In the following chapters, foraminiferal
studies of New Caledonia are synthesized, with emphasis on studies carried out in lagoonal, reefal and paralic environments during the past 35 years, including distribution maps of the main species, distribution models related to depth and mud content of the sediment, and examples of foraminifera as environmental indicators at various space and time scales.

The main part of this work is a guide to the taxonomy and identification of benthic foraminifera that are very diversified and abundant around New Caledonia. It aims to assist micropaleontologists and students of foraminifera, but also to provide a resource for environmental managers and scientists who may use foraminifera as a tool for environmental monitoring and assessment, without being specialists of this group. For achieving this goal, species are classified by the nature of the wall and the dominant morphological feature. First, a photographical summary presents full-page plates showing small images of all species divided into agglutinated, porcelaneous and hyaline, with the hyaline species further classified by the coiling mode. It will allow an easy comparison between related species and a quick pre-identification of specimens before advancing to the next chapter for confirmation on the basis of descriptions and larger photographs of the species. At the end of the book, and mostly for specialists, a systematics list of foraminiferal species identified from New Caledonia is provided, with a brief synonymy list including the original type reference, and a few references that illustrate the species clearly. Systematics is organized following LOEBLICH & TAPPAN (1992, 1994) and KAMINSKI (2004).

A total of 1,043 species are described and illustrated by scanning electron and light microscope photographs. They were collected from over 800 samples that span 0-700 m water depths in a high diversity of habitats including mangrove, estuaries, lagoons, coral reef and shelf. Among them, 665 had not been reported around
New Caledonia before the compilation published in 2007. Two new species are described: Triloculina elongotricarinata and Hoeglundina neocarinata, a new species name is proposed for Calcarina exuberans, instead of Calcarina hispida var. pulchella, and a new genus name is proposed for Quirimbatina rimosa instead of Mimosina rimosa. One hundred and forty-two species could not be determined at a specific level and are recorded under open nomenclature. A high proportion of them are presumably new species, but more specimens are needed before proposing new species names. Including the 158 species reported in the literature, and not
found for being illustrated in this book, the number of benthic foraminifera species identified hitherto around New Caledonia reaches 1,201. Most of them had been reported from the central and western Pacific, and/or the Indo-Pacific area, but some species had been found from remote areas, such as the spectacular
Quinqueloculina erinacea Mikhalevich, reported fromthe tropical Atlantic, or Rotaliammina siphonata (Seiglie), reported from Venezuela, showing the high dispersal potential of some species.

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Informasi Detail

Judul Seri

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No. Panggil

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Penerbit

Marseille : Institut de recherche pour le développement, Marseille., 2012

Deskripsi Fisik

xii, 378 Hlm.

Bahasa

English

ISBN/ISSN

978-2-85653-698-8

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

PERIKANAN
ILMU KELAUTAN

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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