Diploneis latiuscula Jovanovska & Wilson & Hamilton & Stone 2023, sp. nov.
Pourquoi ce travail est dans la base
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Notice bibliographique
Résumé
Diploneis latiuscula sp. nov. (LM Figs 85–96, SEM Figs 97–107) Valves are weakly asymmetric, broadly lanceolate to rhombic-elliptic with convex margins and bluntly round apices (Figs 85–97). Valve length is 34.5–47 μm and valve width is 19.5–26.5 μm. The axial area is narrow, lanceolate, slightly expanding into a small to indistinguishable and weakly asymmetric central area (Fig. 85), 4–5.3 μm wide. Externally, the longitudinal canal is lanceolate to linear, slightly expanded in the middle of the valve with three rows of cribrate areolae (>30 poroids) narrowing into one at the valve apices (Figs 85–98, 100). Internally, a thick non-porous slightly raised silica plate encloses the longitudinal canal (Figs 102, 105, 106). Externally, the raphe is filiform, curved; the proximal ends are within expanded teardrop depressions (Figs 97, 101). The distal raphe ends are unilaterally bent to the same side and terminate at the valve face mantle junction (Figs 97, 98). Internally, the raphe branches are slightly arched with simple proximal and distal ends that are slightly elevated in a depression formed by the longitudinal canal (Figs 102–104). The striae are parallel at mid-valve becoming radiate towards the valve apices, 9–10 in 10 μm. Striae are uniseriate becoming biseriate towards the valve margins (white arrow in Fig. 99). The striae are composed of large round to rectangular areolae covered externally with a fine pored cribra (>40 poroids), 13–15 in 10 μm. The inter-areolar thickenings have crested fin-like ridges, which are serrated into ca. 5–7 notched edges (Fig. 100). The areolae increase in size towards the valve margins (Figs 97, 100). Internally, the alveoli open via a single elongated opening covered with a thin silica layer (Fig. 107). The valvocopula has serrated advalvar edges (Figs 105, 106). Type:— UNITED REPUBLIC OF TANZANIA, Lake Tanganyika, Jakobsen Beach, at 783 m elevation; submerged roots, 1 m water depth, 4°54’33.4” S 29°35’54.5” E, E. Jovanovska, October 7 th 2019 (holotype designated here, circled specimen BM-108973! = Fig. 91, isotypes ANSP-GC17202!, CANA-129320!). Type material CANA-129320. Registration: http://phycobank.org/103722 Pictures of the isolated specimen:— LM micrograph on 1000× magnification (Fig. S3s). Sequence data:— Plastid gene rbc L sequence (GenBank accession: OQ 660276). Etymology:— The specific epithet ‘ latiuscula ’ refers to the broad width of the valves. Ecology and distribution:— Diploneis latiuscula sp. nov. has only been observed from the type material, the northern sub-basin of Lake Tanganyika from the Tanzanian side (see Fig. 1c, d). Since it was found on submerged roots, the community consisted mainly of epiphytic species with occasional occurrences of D. duplex sp. nov. Diploneis latiuscula sp. nov. is very rare in the type material and could therefore have been found in these roots as a result of water currents, upwelling or turbulence, considering its proximity to the sandy areas that are probably its natural living substrate. Main differential characters:— Valve shape, striae pattern, external like-fin ornamentations across the valve, and poroids>40 per areola. Similar species:— Diploneis tanganyikae sp. nov., D. cristata sp. nov., Diploneis tumida sp. nov., Diploneis lecohuiana Lange-Bertalot & Fuhrmann (2017: 26), and Diploneis ellipticasinensis Lange-Bertalot & Fuhrmann (2020: 42).
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,001 |
| Études des sciences et des technologies | 0,003 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,001 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,011 | 0,040 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle