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Optical tools for ocean monitoring and research (2009)

Moore, C. ; Barnard, A. ; Fietzek, Peer ; [et al.]

Copernicus Publications (EGU)

In: Ocean Science, 5 . pp. 661-684.

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Publication Date: 2016-10-11

Description: Requirements for understanding the relationships between ocean color and suspended and dissolved materials within the water column, and a rapidly emerging photonics and materials technology base for performing optical based analytical techniques have generated a diverse offering of commercial sensors and research prototypes that perform optical measurements in water. Through inversion, these tools are now being used to determine a diverse set of related biogeochemical and physical parameters. Techniques engaged include measurement of the solar radiance distribution, absorption, scattering, stimulated fluorescence, flow cytometry, and various spectroscopy methods. Selective membranes and other techniques for material isolation further enhance specificity, leading to sensors for measurement of dissolved oxygen, methane, carbon dioxide, common nutrients and a variety of other parameters. Scientists are using these measurements to infer information related to an increasing set of parameters and wide range of applications over relevant scales in space and time.

Type: Article , PeerReviewed

Format: text

DOI: 10.5194/os-5-661-2009

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Diversity of brain size in fishes: preliminary analysis of a database including 1174 species in 45 orders (1999)

Albert, James S. ; Froese, Rainer ; Bauchot, Roland ; [et al.]

Societe Francaise d' Ichtyologie

In: In: Proceedings of the 5th Indo-Pacific Fisheries Conference, Noumea, New Caledonia, 3-8 November 1997. , ed. by Séret, B. and Sire, J. Y. Societe Francaise d' Ichtyologie, Paris, France, pp. 647-656.

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Publication Date: 2020-04-02

Description: Absolule and relative values of brain weight are now available for 1174 species of fishes, representing 45 taxonomic orders. The original FishBase "Brains" data was assembled by the research team of Bauchot and colleagues, to which the present report adds data for species representing several additional major taxonomic groups. This database is part of the FíshBase 97 package which provides researchers with a tool to explore lhe functional meaning of absolute and relative brain size díversily, in comparison with phylogenetic position, life history mode, locomotion, habitat, and other behavioral parameters. Several results are provided as an example of the use of these data. Galeomorph sharks and batoid rays possess the largest brains among fishes. and elongate forms with anguilliform locomotion (e.g.. hagfishes. lampreys, lrue eels, carapids, zoarcids) possess the smallest relative brain sizes. Among teleost fishes, Osteoglossomorphs possess the largest relative brain sizes. Brain size correlations with oxygen consumption suggest that larger brains consume proportionately more oxygen, or that active fish with higher metabolic rates have larger brains

Type: Book chapter , NonPeerReviewed

Format: text

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