Sorex dispar Batchelder 1911
Notice bibliographique
Résumé
50. Rock Shrew Sorex dispar French: Musaraigne a longue queue / German: Langschwanzspitzmaus / Spanish: Musarafna de cola larga Other common names: Long-tailed Shrew; Gaspé Shrew (gaspensis) Taxonomy. Sorex dispar Batchelder, 1911, “ Beede’s [= Keene Heights], Essex county, New York,” USA. Sorex dispar is the only member of the S. dispar group and is in subgenus Otisorex. Sorex dispar has a basal position to the rest of Otisorex. Although S. gaspensis was previously recognized as a distinct species based on morphology, recent studies have found that S. gaspensis represents the northern limit of a cline from south to north within S. dispar and is considered a subspecies of S. dispar here. Genetic data also support this view because there was not clear genetic distinction between S. gaspensis and S. dispar. Subspecies are based primarily on morphology, but they might not be valid genetically. Three subspecies recognized. Subspecies and Distribution. S.d.disparBatchelder,1911—AppalachianMtsfromextremeSEQuebec(Canada)andMaineStoPennsylvania(NEUSA). S.d.blitchiSchwartz,1956—AppalachianMtsfromNWestVirginiaandWMarylandStoETennessee,WNorthCarolina,andNEGeorgia(ECUSA). S. d. gaspensis Anthony & Goodwin, 1924 — Gaspé Peninsula in Quebec, New Brunswick, N Nova Scotia, and Cape Breton I (SE Canada). Descriptive notes. Head—body 48-79 mm, tail 46-67 mm, hindfoot 11-15 mm; weight 2-8 g. The Rock Shrew is small to medium-sized. There is a cline in size from south to north, with individuals in the south being larger than individuals in the north. Dorsum is slate-gray, and venteris slightly paler gray, and northern individuals are slightly lighter. Feet are pale; ears are small and rounded. Tail is long at 80-100% of head— body length, well furred, and indistinctly bicolored, being dark gray above and lighter below. Teeth are skinnier than in other species of Sorex, and incisors are procumbent. Teeth are pigmented dark red. There are five unicuspids,first and second are largest and nearly equal in size, third is slightly larger than fourth and both are smaller than first and second, and fifth is minute. Habitat. Evergreen or deciduous forested mountain habitats in rocky areas and deep crevices between rocks (including artificially made concrete and rock piles). Food and Feeding. Diet of the Rock Shrew generally contains invertebrates such as centipedes, insects (including beetles), and spiders, and some plant material has been found in stomach contents. Centipedes seem to be primary prey. Breeding. Breeding of the Rock Shrew seems to occur from late April until August. About two litters can be produced each year, and litters have 2-6 young. Activity patterns. Despite its long tail and long digits for gripping, the Rock Shrew is subterranean in nature and spends much ofits time traversing through spaces between rocks and within crevices 30-60 cm below the surface. Movements, Home range and Social organization. Rock Shrews are solitary unless breeding or rearing young. Very little is known oftheir habits and population dynamics because they are difficult to capture or observe while moving under rocks and soil rather than aboveground. Status and Conservation. Classified as Least Concern on The IUCN Red List. The Rock Shrew has a very wide distribution and might be more common than what is indicated by trapping efforts. There do not seem to be any major threats affecting the Rock Shrew, but general habitat destruction mightaffect it long term. Bibliography. Conaway & Pfitzer (1952), French & Kirkland (1983), Huggins & Kennedy (1989), Kirkland (1981, 1986), Kirkland & Schmidt (1982), Kirkland & Van Deusen (1979), Laerm et al. (1997), Linzey & Linzey (1973), NatureServe (Whittaker et al.) (2016), Rhymer et al. (2004), Richmond & Grimm (1950), Scott (1987), Starrett (1954), Whitaker & French (1984), Woolaver et al. (1998).
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.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,000 |
| Études des sciences et des technologies | 0,001 | 0,000 |
| Communication savante | 0,000 | 0,001 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,056 | 0,023 |
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 découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».