3,861 research outputs found

    Mastogloia jahniae sp. nov., a new diatom (Bacillariophyceae) from the Baltic Sea coast of Sweden

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    Al-Handal, Adil Y., Wulff, Angela, Pennesi, Chiara (2021): Mastogloia jahniae sp. nov., a new diatom (Bacillariophyceae) from the Baltic Sea coast of Sweden. Phytotaxa 484 (1): 121-128, DOI: 10.11646/phytotaxa.484.1.6, URL: http://dx.doi.org/10.11646/phytotaxa.484.1.

    Professor Angela Shannon

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    Angela Shannon shares her poetry with the Taylor community. Angela Shannon is the author of Singing the Bones Together, a 2004 Minnesota Book Awards Finalist. She teaches English at Bethel University. Her work has been published in journals, textbooks, and anthologies, including TriQuarterly, Ploughshares, Where One Ends Another Begins: 150 Years of Minnesota Poetry, and Beyond the Frontier: African American Poetry for the 21st Century. Her choreopoem Root Woman premiered at the Fleetwood-Jourdain Theater in Evanston, Ill

    Fallacia fawensis sp. nov., a new brackish water diatom (Bacillariophyceae) from Southern Iraq

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    Al-Handal, Adil Y., Al-Shaheen, Maitham A., Al-Saedy, Rehab N., Wulff, Angela (2022): Fallacia fawensis sp. nov., a new brackish water diatom (Bacillariophyceae) from Southern Iraq. Phytotaxa 550 (1): 71-78, DOI: 10.11646/phytotaxa.550.1.

    Angela Shanté : 2022 Irma Black Award Silver Medal Acceptance Speech

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    Author Angela Shanté gives an acceptance speech for When My Cousins Come to Town, illustrated by Keisha Morris (West Margin Press)https://educate.bankstreet.edu/irma_black_awards/1004/thumbnail.jp

    The Family History of Angela Ruth Weidert

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    Angela Ruth Weidert authored this family history as part of the course requirements for HIST 550/700 Your Family in History offered online in Spring 2018 and was submitted to the Pittsburg State University Digital Commons. Please contact the author directly with any questions or comments: [email protected]

    FIGURES 1–10 in Fallacia fawensis sp. nov., a new brackish water diatom (Bacillariophyceae) from Southern Iraq

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    FIGURES 1–10: Fallacia fawensis Al-Handal, Al-Shaheen, Al-Saedy & Wulff sp. nov., LM images of the type material from Shatt Al–Arab River, Southern Iraq showing valve size and outline variation. Scale bar = 10 μm.Published as part of Al-Handal, Adil Y., Al-Shaheen, Maitham A., Al-Saedy, Rehab N. & Wulff, Angela, 2022, Fallacia fawensis sp. nov., a new brackish water diatom (Bacillariophyceae) from Southern Iraq, pp. 71-78 in Phytotaxa 550 (1) on page 73, DOI: 10.11646/phytotaxa.550.1.5, http://zenodo.org/record/663069

    Rhoicosphenia johannessoniae Al-Handal, Levkov & Wulff 2023, sp. nov.

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    <i>Rhoicosphenia johannessoniae</i> Al-Handal, Levkov & Wulff <i>sp. nov</i>. (Figs 1–11, 12–25) Description <p> <b>LM observation (Figs 1–11):</b> Valves heteropolar, narrowly clavate, 29–48 μm long and 6.8–8.5 μm wide. Head pole narrowly rounded, base pole protracted to elongated subcapitate with rounded apex. Raphe filiform on the R-valve with distinct proximal endings (Figs 1–5), but not resolvable on the D-valve (Figs 6–10). Axial area linear and very narrow on R-valve with indistinct central area. D-valve axial area narrowly linear lanceolate. Striae on both valves parallel to slightly radiate, 20–22 in 10 μm. Areolae not discernible in LM. Frustules in girdle view bent and wedge shaped (Fig. 11).</p> <p> <b>SEM observations (Figs 12–25):</b> R-valves: Valves concave and narrowly clavate with broadly rounded poles (Figs 12, 13). Externally, head poles broadly rounded (Figs 16, 18), base pole narrowly rounded and protracted, with pore field of irregularly arranged poroids, formed of 11–12 rows.Axial area linear and asymmetric, becoming narrower near poles (Fig. 12). Central area slightly wider than axial area, and in some specimens, ornamented with small porelike depressions that do not penetrate internally (Figs 12, 17). Central area not located in valve centre but positioned below the wider middle part of the valve towards the base pole (Fig. 12). Raphe filiform, proximal endings small, droplike and distantly spaced (Fig. 17). Distal raphe endings curved and terminate on valve mantle (Fig. 16). Striae parallel to slightly radiate and formed of slit-like, weakly curved areolae (Figs 13, 16). Internally, pseudosepta on both poles large and strongly silicified (Fig. 14). Axial area lanceolate, gradually widens into a large central area. Raphe proximal endings strongly hooked (Fig.15). Striae weakly radiate in valve centre and separated by well-developed virgae (Fig. 15). D-Valves: Valves concave, narrowly clavate with rounded poles (Figs 19–21). Base pole protracted with 10–12 irregularly arranged rows of poroids which form pore field (Figs 20, 21, 23). Axial area linear, very narrow, slightly widened towards mid- valve (Fig. 20). Raphe system reduced, the upper raphe fissure very short, slightly bent, extends for 4–5 striae and positioned near the head pole (Fig. 24). Raphe fissure at base pole straight, longer than upper fissure with weakly curved distal endings that reach valve margin (Fig. 23). Striae parallel, formed of slit-like areolae, occasionally biseriate stria formed near valve margin (Figs 21, 22). Internally, head pole rounded (Fig. 19), while base pole rostrate (Fig. 25). Axial area linear-lanceolate. Proximal raphe endings crook-shaped (Fig. 25). Striae parallel, narrow in mid- valve and wider toward poles (Fig. 19). Pseudosepta of base pole interrupted by lacuna which terminate before valve apex with rounded and slightly bent structure (Fig. 25).</p> <p> <b>Type:</b> Grisslehamn port, Baltic coast of Sweden, 60° 05’ 53’’ N, 18° 48’ 47’’ E, Collectors: Adil Al-Handal and Mikael Hedblom, collection date: May 2019. Permanent slide containing cells of <i>R. johannessoniae</i> is deposited at the Macedonian National Diatom collection under accession No. MKNDC 014457. Figures 2 and 7 represent the holotype.</p> <p> <b>Isotype</b>: Permanent slide containing cells of <i>R. johannessoniae</i> is deposited at the University of Gothenburg Herbarium under No. GB-0210437.</p> <p> <b>Etymology</b>: The epithet is in honour of Professor Kerstin Johannesson of the Tjärnö Marine Laboratory, University of Gothenburg for her contribution and outstanding work on the ecology and phylogeny of some marine benthic invertebrate in Sweden.</p> <p> <b>Ecology</b>: <i>Rhoicosphenia johannessoniae</i> was rather rare and constituted 0.8% of the diatom association in the sample examined. It is a brackish water species found epiphytic on the brown macrophyte <i>Ectocarpus siliculosus</i> and did not appear on other macrophytes collected from the same region or in the benthic samples. Water temperature was 12.3 °C and salinity 4.9 psu. Several other species were associated with <i>R. johannessoniae</i> including <i>Licmophora gracilis</i> (Ehrenberg) Grunow (1867:34, 24.6%), <i>Licmophora ehrenbergii</i> (Kützing) Grunow (1867: 36, 10.2%), <i>Entomoneis paludosa</i> (W.Smith) Reimer 1975: 4, 5.3%), <i>Diatoma tenuis</i> C. Agardh (1812: 15, 3.4%), <i>Tabularia fasciculata</i> (C.Agardh) Williams & Round (1986:326, 2.7%), together with small-sized <i>Navicula</i> spp. and <i>Nitzschia</i> spp.</p>Published as part of <i>Al-Handal, Adil Y., Levkov, Zlatko & Wulff, Angela, 2023, Rhoicosphenia johannessoniae (Bacillariophyceae), a new diatom from the Swedish coast of the Baltic Sea, pp. 69-78 in Phytotaxa 618 (1)</i> on pages 71-73, DOI: 10.11646/phytotaxa.618.1.6, <a href="http://zenodo.org/record/8389927">http://zenodo.org/record/8389927</a&gt

    FIGURES 11–14 in Fallacia fawensis sp. nov., a new brackish water diatom (Bacillariophyceae) from Southern Iraq

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    FIGURES 11–14: Fallacia fawensis Al-Handal, Al-Shaheen, Al-Saedy & Wulff sp. nov. Figs 11,13 SEM external valve face showing raphe sterna and valve mantle. Fig. 12 SEM upper part of the valve external face exhibiting the narrowing raphe sterna near valve apex (arrow). Fig. 14 SEM detail of the external valve face showing structure of the conopeum and the polar elongated pores of the lyre canal (arrows). Scale bars = 1 μm for Figs 11,13, 0.2 μm for Fig. 12, 0.4 μm for Fig. 14.Published as part of Al-Handal, Adil Y., Al-Shaheen, Maitham A., Al-Saedy, Rehab N. & Wulff, Angela, 2022, Fallacia fawensis sp. nov., a new brackish water diatom (Bacillariophyceae) from Southern Iraq, pp. 71-78 in Phytotaxa 550 (1) on page 74, DOI: 10.11646/phytotaxa.550.1.5, http://zenodo.org/record/663069

    Materia-autore = Author-Matter

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    The etymology of the word author refers to an act of creation, an act of augmentation, from the Latin verb augere. Author instantiates creation, the expansion of the pre-existing. In 1967 Roland Barthes declared the death of the author in his famous essay to state once more that the crisis is that of the author as a single subjectivity and as a term that condenses prestige, undermined by the de-subjectivation strategies of automatism, fortuity and fragmentation of the historical avant-gardes, as well as by the machinic act and by the reproducibility of the second avant-gardes. Fifty years after Barthes’ paradigmatic formula, this lack of authorship appears to be a successful brand. The ten- sions between the anomie of matter, the law that establishes authorship and the economy that makes the work pos- sible, invoke discordant perspectives. Artists make the self-destruction of their work the real work, and appeal is made for the demolition of architectures, whether by a recognised author or not, in order to re-design, or better still, re-claim the territory. Artificial intelligence consolidates its logics and its design by progressively shedding human ingenuity. The space of criticism becomes, finally, increasingly ephemeral. However, there is an acceptation of criti- cism that is, rather than an individual ‘signature’, an exploration and explanation of how design makes theory. The binomial author-matter seeks to mark these tensions and contradictions: the featured term author is main- tained to underline the persistence of that prestigious subjectivity, at the very moment when the rhetoric of “mat- ter as an author” promises other forms of authorship

    Giussani Sansoni, Angela

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    La scheda ricostruisce la vita e l'apporto della scrittrice Angela Giussani Sansoni alla letteratura per l'infanzia.The headword explains the biography and the contribution of the author Angela Giussani Sansoni to the children's literature
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