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12 results for “Santa Catalina Island”
Santa Catalina Island - California
Santa Catalina Island forms the basis for the famous timewise changing wallpapers of the Mac OS X (Catalina) Operating System. Model made using blender and exported as a GLB. This is a 3d model of a landscape island Source: Objaverse 1.0 / Sketchfab
Using light traps to assess larval fish and octopus paralarvae diversity and ontogenetic structure around Santa Catalina Island, CA
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Data from: Ear mite removal in the Santa Catalina Island fox (Urocyon littoralis catalinae): controlling risk factors for cancer development
Ear mites (Otodectes cynotis) and ear canal tumors are highly prevalent among federally endangered Island foxes (Urocyon littoralis catalinae) living on Santa Catalina Island off the coast of Southern California. Since studies began in the 1990s, nearly all foxes examined were found to be infected with ear mites, and ceruminous gland tumors (carcinomas and adenomas) were detected in approximately half of all foxes ≥ 4 years of age. We hypothesized that reduction of ear mite infection would reduce otitis externa and ceruminous gland hyperplasia, a risk factor for tumor development. In this study, we conducted a randomized field trial to assess the impact of acaricide treatment on ear mite prevalence and intensity of infection, otitis externa, ceruminous gland hyperplasia, and mite-specific IgG and IgE antibody levels. Treatment was highly effective at eliminating mites and reducing otitis externa and ceruminous gland hyperplasia, and mite-specific IgG antibody levels were significantly lower among uninfected foxes. Ceruminous gland hyperplasia increased in the chronically infected, untreated foxes during the six month study. Our results provide compelling evidence that acaricide treatment is an effective means of reducing ear mites, and that mite removal in turn reduces ear lesions and mite-specific IgG antibody levels in Santa Catalina Island foxes. This study has advanced our understanding of the underlying pathogenesis which results in ceruminous gland tumors, and has helped inform management decisions that impact species conservation.
Data from: Pathology and epidemiology of ceruminous gland tumors among endangered Santa Catalina Island foxes (Urocyon littoralis catalinae) in the Channel Islands, USA
In this study, we examined the prevalence, pathology, and epidemiology of tumors in free-ranging island foxes occurring on three islands in the California Channel Islands, USA. We found a remarkably high prevalence of ceruminous gland tumors in endangered foxes (Urocyon littoralis catalinae) occurring on Santa Catalina Island (SCA) - 48.9% of the dead foxes examined from 2001-2008 had tumors in their ears, and tumors were found in 52.2% of randomly-selected mature (≥ 4 years) foxes captured in 2007-2008, representing one of the highest prevalences of tumors ever documented in a wildlife population. In contrast, no tumors were detected in foxes from San Nicolas Island or San Clemente Island, although ear mites (Otodectes cynotis), a predisposing factor for ceruminous gland tumors in dogs and cats, were highly prevalent on all three islands. On SCA, otitis externa secondary to ear mite infection was highly correlated with ceruminous gland hyperplasia (CGH), and tumors were significantly associated with the severity of CGH, ceruminous gland dysplasia, and age group (older foxes). We propose a conceptual model for the formation of ceruminous gland tumors in foxes on SCA that is based on persistent, ubiquitous infection with ear mites, and an innate, over exuberant inflammatory and hyperplastic response of SCA foxes to these mites. Foxes on SCA are now opportunistically treated with acaricides in an attempt to reduce mite infections and the morbidity and mortality associated with this highly prevalent tumor.
Figs. 11–14 in A New Species of Actium Casey (Staphylinidae: Pselaphinae) Endemic to Santa Catalina Island, California
Figs. 11–14. Diagnostic morphological features of Actium vestigialis. 11) Aedeagus, left lateral view; 12) Apex of parameres and median lobe of aedeagus, dorsal view; 13) Male mesothoracic leg, anterior view; 14) Sternites IX and X of female, dorsal view.
Figs. 1–4 in A New Species of Actium Casey (Staphylinidae: Pselaphinae) Endemic to Santa Catalina Island, California
Figs. 1–4. Scanning electron micrographs of paratype female of Actium vestigialis. 1) Dorsal habitus; 2) Head, lateral view; 3) Prothorax, dorsal view; 4) Head, dorsofrontal view.
Fig. 15 in A New Species of Actium Casey (Staphylinidae: Pselaphinae) Endemic to Santa Catalina Island, California
Fig. 15. Map of Santa Catalina Island, showing location relative to the southern California coast (inset), and collection localities of type series: type locality (star), additional locality (dot).
Fig. 1. A in Extant! LivingBembidion palosverdesKavanaugh and Erwin (Coleoptera: Carabidae) Found on Santa Catalina Island, California
Fig. 1. A) Rocky intertidal zone at the collecting site of Bembidion palosverdes on Santa Catalina Island, B) B. palosverdes from Santa Catalina Island [SBMNH-CBP0100948; scale bar = 1mm].
On following pages: 248. Merriam''s Deermouse (Peromyscus merriami); 249. Cactus Deermouse (Peromyscus eremicus); 250. San Lorenzo Deermouse (Peromyscus interparietalis); 251. Southern Baja Deermouse (Peromyscus eva); 252. Northern Baja Deermouse (Peromyscus fraterculus); 253. Monserrat Island Deermouse (Peromyscus caniceps); 254. Dickey's Deermouse (Peromyscus dickeyi); 255. La Guarda Deermouse (Peromyscus guardia); 256. Coronados Deermouse (Peromyscus pseudocrinitus); 257. Cotton Deermouse (Peromyscus gossypinus); 258. White-footed Deermouse (Peromyscus leucopus); 259. Santa Cruz Deermouse (Peromyscus sejugis); 260. North-western Deermouse (Peromyscus keeni): 261. Oldfield Deermouse (Peromyscus polionotus); 262. North American Deermouse (Peromyscus maniculatus); 263. Black-eared Deermouse (Peromyscus melanotis); 264. Black-tailed Deermouse (Peromyscus melanurus); 265. Broad-faced Deermouse (Peromyscus megalops); 266. Black-wristed Deermouse (Peromyscus melanocarpus); 267. Catalina Deermouse (Peromyscus slevini); 268. Tawny Deermouse (Peromyscus perfulvus); 269. Plateau Deermouse (Peromyscus melanophrys); 270. Puebla Deermouse (Peromyscus mekisturus); 271. Mayan Deermouse (Peromyscus mayensis); 272. Stirton's Deermouse (Peromyscus stirtoni); 273. Yucatan Deermouse (Peromyscus yucatanicus); 274. Chimoxan Deermouse (Peromyscus tropicalis); 275. Talamancan Deermouse (Peromyscus nudipes); 276. Mexican Deermouse (Peromyscus mexicanus); 277. Naked-eared Deermouse (Peromyscus gymnotis); 278. Chiapan Deermouse (Peromyscus zarhynchus); 279. Gardner's Deermouse (Peromyscus gardneri); 280. Nicaraguan Deermouse (Peromyscus nicaraguae); 281. Salvadorean Deermouse (Peromyscus salvadorensis); 282. Guatemalan Deermouse (Peromyscus guatemalensis); 283. Large Deermouse (Peromyscus grandis). in Cricetidae
On following pages: 248. Merriam''s Deermouse (Peromyscus merriami); 249. Cactus Deermouse (Peromyscus eremicus); 250. San Lorenzo Deermouse (Peromyscus interparietalis); 251. Southern Baja Deermouse (Peromyscus eva); 252. Northern Baja Deermouse (Peromyscus fraterculus); 253. Monserrat Island Deermouse (Peromyscus caniceps); 254. Dickey's Deermouse (Peromyscus dickeyi); 255. La Guarda Deermouse (Peromyscus guardia); 256. Coronados Deermouse (Peromyscus pseudocrinitus); 257. Cotton Deermouse (Peromyscus gossypinus); 258. White-footed Deermouse (Peromyscus leucopus); 259. Santa Cruz Deermouse (Peromyscus sejugis); 260. North-western Deermouse (Peromyscus keeni): 261. Oldfield Deermouse (Peromyscus polionotus); 262. North American Deermouse (Peromyscus maniculatus); 263. Black-eared Deermouse (Peromyscus melanotis); 264. Black-tailed Deermouse (Peromyscus melanurus); 265. Broad-faced Deermouse (Peromyscus megalops); 266. Black-wristed Deermouse (Peromyscus melanocarpus); 267. Catalina Deermouse (Peromyscus slevini); 268. Tawny Deermouse (Peromyscus perfulvus); 269. Plateau Deermouse (Peromyscus melanophrys); 270. Puebla Deermouse (Peromyscus mekisturus); 271. Mayan Deermouse (Peromyscus mayensis); 272. Stirton's Deermouse (Peromyscus stirtoni); 273. Yucatan Deermouse (Peromyscus yucatanicus); 274. Chimoxan Deermouse (Peromyscus tropicalis); 275. Talamancan Deermouse (Peromyscus nudipes); 276. Mexican Deermouse (Peromyscus mexicanus); 277. Naked-eared Deermouse (Peromyscus gymnotis); 278. Chiapan Deermouse (Peromyscus zarhynchus); 279. Gardner's Deermouse (Peromyscus gardneri); 280. Nicaraguan Deermouse (Peromyscus nicaraguae); 281. Salvadorean Deermouse (Peromyscus salvadorensis); 282. Guatemalan Deermouse (Peromyscus guatemalensis); 283. Large Deermouse (Peromyscus grandis).
Data from: Ear mite removal in the Santa Catalina Island fox (Urocyon littoralis catalinae): controlling risk factors for cancer development
Open the record for dataset details and reuse information.
Data from: Pathology and epidemiology of ceruminous gland tumors among endangered Santa Catalina Island foxes (Urocyon littoralis catalinae) in the Channel Islands, USA
Open the record for dataset details and reuse information.
Figs. 5–10 in A New Species of Actium Casey (Staphylinidae: Pselaphinae) Endemic to Santa Catalina Island, California
Figs. 5–10. Scanning electron micrographs of paratype female of Actium vestigialis. 5) Elytra, dorsal view; 6) First visible abdominal tergite, dorsal view; 7) Antenna; 8) Mesofemur and mesotibia; 9) Profemur and protibia; 10) Metafemur and metatibia.
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Allen Brain Atlas
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OpenNeuro
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