1,521 research outputs found

    Recognition of Chyrsobothris thoracica guadeloupensis Descarpentries, 1981 at the species level (Coleoptera: Buprestidae)

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    Evidence is presented that the subspecies Chrysobothris thoracica guadeloupensis Descarpentries, 1981 (Coleoptera: Buprestidae) should be recognized at the species level. Character evidence is provided to separate C. guadeloupensis, new status, from C. thoracica Fabricius, 1798. Both species are illustrated with habitus photographs and images of the male genitalia

    New g'r'i'z' Photometry of the NGC 5128 Globular Cluster System

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    We present new photometry for 323 of the globular clusters in NGC 5128 (Centaurus A), measured for the first time in the g′r′i′z′g'r'i'z' filter system. The color indices are calibrated directly to standard stars in the g′r′i′z′g'r'i'z' system and are used to establish the fiducial mean colors for the blue and red (low and high metallicity) globular cluster sequences. We also use spectroscopically measured abundances to establish the conversion between the most metallicity-sensitive colors ((g′−r′)0(g'-r')_0, (g′−i′)0(g'-i')_0) and metallicity, [Fe/H].Comment: 14 pages, 9 figures, accepted in A

    Taxonomic placement and nomenclatural revisions for five species of Neotropical Buprestidae (Coleoptera)

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    Autarcontes lopezi Fisher, 1925 (Coleoptera: Buprestidae), is transferred to the genus Agrilus Curtis, 1825 (new combination). Colobogaster bella Kirsch, 1873, is transferred to the genus Chrysobothris Eschscholtz, 1829 (new combination). Ectinogonia isamarae Moore, 1994, is resurrected as the valid name for the species previously called E. obscuripennis Cobos, 1954, as the latter is unavailable as infrasubspecific. Conognatha jakobsoni Obenberger, 1928, is resurrected over C. germaini Théry in Hoscheck, 1934, as the for­mer name has priority. Callimicra lucida Waterhouse, 1889, is resurrected as the valid name over C. hoscheki Obenberger, 1922, which has been used due to several historical errors and misinterpretations

    A new species of \u3ci\u3eParaberismyia\u3c/i\u3e Woodley (Diptera, Stratiomyidae, Beridinae) from Chiapas, Mexico

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    A new species of Paraberismyia Woodley (Diptera, Stratiomyidae, Beridinae), P. imitator, n. sp., is described from Chiapas, Mexico. The new species is compared to previously described species and diagnostic notes are presented for separation of Paraberismyia from Berismyia Giglio-Tos

    Saving the Summary Jury Trial: A Proposal to Halt the Flow of Litigation and End the Uncertainties

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    The discussion below is divided into four parts. Part II is a background section describing the summary jury trial process and its intended benefits, as well as briefly identifying the five litigated issues and basic uncertainties discussed here. Part III describes the five litigated issues and basic uncertainties in detail, describes how judges have attempted to deal with them, and discusses potential solutions. Part IV contains specific statutory language embodying the proposed solutions. And, finally, Part V offers a brief conclusio

    Radial Velocities of Newly Discovered Globular Clusters in NGC 5128

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    We present radial velocity measurements for 74 globular clusters (GCs) in the nearby giant elliptical NGC 5128, of which 31 are newly discovered clusters. All the GC candidates were taken from the list of possible new clusters given in the Harris, Harris, & Geisler (2004) photometric survey. In addition to the newly confirmed clusters, we identified 24 definite foreground stars and 31 probable background galaxies. From a combined list of 299 known GCs in NGC 5128 with measured radial velocities and metallicity-sensitive (C - T_1) photometric indices, we construct a new metallicity distribution function (MDF) for the cluster system. The MDF shows an approximately bimodal form, with centroids at [Fe/H] = -1.46 and -0.53, and with nearly equal numbers of metal-poor and metal-rich clusters in the two modes. However, there are many intermediate-color clusters in the distribution, and the fainter clusters tend to have a higher proportion of red clusters. These features of the MDF may indicate a widespread age range within the cluster system as well as an intrinsically broad metallicity spread.Comment: 10 pages, 7 figures, 4 tables - accepted in Astronomical Journa

    Transition from open access to quota based fishery management regimes in Alaska increased the safety of operations

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    During the past 12 years fishery managers responsible for federal fisheries off Alaska have developed and implemented three new fishery management limited access/quota share programs in place of traditional open access management. The three limited access programs are unique but each provides for the allocation of quota shares to individual participants in the halibut and sablefish longline fishery, in the Bering Sea pollock trawl fishery and in the Bering Sea king and Tanner crab fishery, respectively. New management programs are briefly described and contrasted with traditional management. For each of the three fisheries, management changes over time have generated substantial changes in fishing fleets, their operations, crew employment, economics and safety records. Under quota share management, fleet consolidations have occurred, particularly in the more over capitalized fisheries. The intense speed and inflexible timing associated with open access fisheries have greatly lessened as have the risk taking and incentives to maximize fishing power. Active vessel economic viability has strengthened due to a combination of increased efficiency, higher product yields, reduced costs, greater crew stability and safer operations

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