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50 results for “Ochotonidae”
FIG. 3. — Ohbayashinema erbaevae n in A new species of the genus Ohbayashinema (Nematoda, Trichostrongylina, Heligmosomoidea), parasite of Ochotona daurica (Ochotonidae, Lagomorpha) from Buriatia
FIG. 3. — Ohbayashinema erbaevae n. sp. in Ochotona r. rufescens; A, female, head, apical view; B, male, anterior extremity, right lateral view; C, female, posterior extremity, right lateral view; D, male, caudal bursa, ventral view; D', detail of the tip of a spicule; E, other female, posterior extremity, right lateral view; F, female E, detail of the ovejector with bulbous distal part of the vestibule and the atrophied posterior branch; G, female C, detail of the ovejector with enlarged distal part of the vestibule and the atrophied posterior branch; H, female caudal extremity and tip, ventral view. Abbreviations: ve, vestibule; 1, enlarged proximal part; 2, thin rectilinear median part; 3, shorter distal part; agb, atrophied genital branch. Scale bars: A, 30 µm; B, C, E-G, 200 µm; D, 150 µm; D', 50 µm; H, 100 µm.
FIG. 1. — Ohbayashinema erbaevae n in A new species of the genus Ohbayashinema (Nematoda, Trichostrongylina, Heligmosomoidea), parasite of Ochotona daurica (Ochotonidae, Lagomorpha) from Buriatia
FIG. 1. — Ohbayashinema erbaevae n. sp. in Ochotona r. rufescens, male; A-H, male 10 mm long, transverse sections of the body; A, at 40 µm from apex, stage 3/4; B, at 160 µm from apex, stage 5/5; C, at 200 µm from apex just before level of excretory pore, stage 6/5; D, at level of left deirid, stage 8/6; E, at oesophago-intestinal junction, stage 9/7; F, at mid-body (4.5 mm from apex), stage 7/7; G, at 3.8 mm above caudal bursa, stage 6/7; H, at 200 µm from caudal bursa, stage 2/5; I-M, male, caudal bursae, different patterns of rays 8 and dorsal ray; I-K, dorsal views; K, holotype male; L, M, ventral views; N, genital cone and papillae 7, ventral view; O, detail of the excretory pore and the deirids, ventral view. All the sections of the body are orientated as G. Arrows indicate the origin of the new ridges. Abbreviations: d, deirid; l, left side; v, ventral side. Scale bars: A-E, 50 µm; F-H, 100 µm; I-M, 150 µm; N, O, 30 µm.
Fig. 2 in New finds of the fossil genus representatives of Tonomochota Tiunov et Gusev, 2021 (Lagomorpha, Ochotonidae) in Korydornaya Cave (Jewish Autonomous Oblast, Far East of Russia)
Fig. 2. Plan (A) and section (B) of Korydornaya Cave and a sketch of the section along the northeast wall of the pit (C). The description of the lithologic layers: 1 — light-brown medium loam; 2 — brown-ochre heavy loam; 3 — brown heavy loam; 4 — yellow-brown clay; 5 — red crumbly clay, a lot of small well-rounded pebbles; 6 — cave deposits. Black circles indicate the places of fossil remains for which dating was obtained. Рис. 2. ПΛан (A) и разрез (B) пещеры КориΔорная и эскиз разреза по северо-восточной стенки шурфа (С). Описание ΛитоΛогических сΛоев: 1 — светΛо-бурый среΔний сугΛинок; 2 — буро-охристый тяжеΛый сугΛинок; 3 — бурый тяжеΛый сугΛинок; 4 — жеΛтобурая гΛина; 5 — красная рассыпчатая гΛина, много меΛкой хорошо окатанной гаΛьки, 6 — пещерные отΛожения. Черными кругами обозначены места нахоΔок ископаемых остатков, ΔΛя которых быΛи поΛучены Δатировки
Fig. 8 in New finds of the fossil genus representatives of Tonomochota Tiunov et Gusev, 2021 (Lagomorpha, Ochotonidae) in Korydornaya Cave (Jewish Autonomous Oblast, Far East of Russia)
Fig. 8. Vertical distribution of pica fossils in Korydornaya Cave. The layers correspond to the layers from the excavation section (Fig. 2C) Рис. 8. ВертикаΛьное распреΔеΛение ископаемых остатков пищуховых в пещере КориΔорная. СΛои соответствуют сΛоям из разреза раскопа (Рис. 2C)
FIGURE 8 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 8. Posterior lobe of lower m2 enamel ultrastructure; Ochotona cf. eximia from Verkhnya Krynytsya 2, cross-section.
FIGURE 7. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 7. Lower p3 enamel ultrastructure; Ochotona cf. eximia from Verkhnya Krynytsya 2, cross-section.
FIGURE 6 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 6. Lower incisor enamel ultrastructure; Ochotona sp. from Popovo 3, longitudinal section. 1-2, Enamel structure details from two different tooth parts.
FIGURE 2 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 2. Posterior lobe of lower m2 enamel ultrastructure; Prolagus aff. crusafonti from Popovo 3, cross- section. 1- 4, Enamel structure details from four different tooth parts.
FIGURE 3. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 3. Lower p3 enamel ultrastructure; Ochotona sp. from Popovo 3, cross-section.
FIGURE 1. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 1. Lower p3 enamel ultrastructure; Prolagus aff. crusafonti from Popovo 3, cross-section.
FIGURE 10. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 10. Lower p3 enamel ultrastructure; Ochotona sp. from Lobkove, cross- section.
FIGURE 5 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 5. Upper incisor enamel ultrastructure; Ochotona sp. from Popovo 3, cross-section.
FIGURE 4. Lower m2 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 4. Lower m2 enamel ultrastructure; Ochotona sp. from Popovo 3, cross-section.
Data from: Predicting range shifts of pikas (Mammalia, Ochotonidae) in China under scenarios incorporating land-use change, climate change, and dispersal limitations
<p><span>Two of the most important forces affecting biodiversity are land-use change (LUC) and global climate change (GCC). Previous studies have modeled their impacts on species separately and together, but few have done so for multiple species with dispersal limitations incorporated into the models.</span></p> <p><span>We integrate species distribution models plus a dispersal model to predict LUC and GCC impacts on the ranges of five species of pikas in the Qinghai-Tibet Plateau region of China. Pikas are sensitive to land-use and climate change, and have limited dispersal abilities.</span></p> <p><span>The predicted impacts of LUC and GCC on pikas vary between species as well as between LUC and GCC projections. Incorporation of dispersal limitations appreciably restricts the amount of colonized habitat. For all five species, the amount of habitat abandoned or colonized when LUC and GCC are modeled together is less than the sum of LUC and GCC modeled separately. Three of the five species experience a net increase in occupied habitat by 2080 relative to their current ranges under all modeled projections. However, relative to a "Dispersal Only" baseline scenario that assumes no environmental change but continued range expansion into suitable, unoccupied habitat, all five species suffer a net loss of occupied habitat by 2080 under some or all projections.</span></p> <p><span>Predictions of future distributions of species based solely on LUC or GCC, as well as predictions assuming additive impacts, can be misleading. Inclusion of dispersal limitations in models markedly alters predicted future distributions of species. The use of a "Dispersal Only" scenario provides a different and perhaps more accurate way to gauge net impacts to species. Future work should consider incorporating all these parameters to better predict the impacts of LUC and GCC on biodiversity.</span></p>
Data from: Predicting range shifts of pikas (Mammalia, Ochotonidae) in China under scenarios incorporating land-use change, climate change, and dispersal limitations
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On following pages: 18. Collared Pika (Ochotona collaris); 19. Steppe Pika (Ochotona pusilla); 20. Large-eared Pika (Ochotona forrest): 24. Ladak Pika (Ochotona ladacensis); 25. Turkestan Red Pika (Ochotona rutila); 26. Kozlov's Pika (Ochotona koslowi macrotis); 21. Royle's Pika (Ochotona roylil; 22. Afghan Pika (Ochotona rufescens); 23. Forrest's Pika (Ochotona); 27. Chinese Red Pika (Ochotona erythrotis); 28. Glover's Pika (Ochotona glover); 29. lli Pika (Ochotona iliensis). in Ochotonidae
On following pages: 18. Collared Pika (Ochotona collaris); 19. Steppe Pika (Ochotona pusilla); 20. Large-eared Pika (Ochotona forrest): 24. Ladak Pika (Ochotona ladacensis); 25. Turkestan Red Pika (Ochotona rutila); 26. Kozlov's Pika (Ochotona koslowi macrotis); 21. Royle's Pika (Ochotona roylil; 22. Afghan Pika (Ochotona rufescens); 23. Forrest's Pika (Ochotona); 27. Chinese Red Pika (Ochotona erythrotis); 28. Glover's Pika (Ochotona glover); 29. lli Pika (Ochotona iliensis).
On following pages: 3. Tsing-ling Pika (Ochotona syrinx); 4. Gansu Pika (Ochotona cansus); 5. Nubra Pika (Ochotona nubrica); 6. Plateau Pika (Ochotona curzoniae); 7. Thomas's Pika (Ochotona thomasi); 8. Alpine Pika (Ochotona alpina); 9. Turuchan Pika (Ochotona turuchanensis): 10. Northern Pika (Ochotona hyperborea); 11. Manchurian Pika (Ochotona mantchurica); 12. Hoffmann's Pika (Ochotona hoffmanni); 13. Korean Pika (Ochotona coreana), 14. Pallas's Pika (Ochotona pallasii). in Ochotonidae
On following pages: 3. Tsing-ling Pika (Ochotona syrinx); 4. Gansu Pika (Ochotona cansus); 5. Nubra Pika (Ochotona nubrica); 6. Plateau Pika (Ochotona curzoniae); 7. Thomas's Pika (Ochotona thomasi); 8. Alpine Pika (Ochotona alpina); 9. Turuchan Pika (Ochotona turuchanensis): 10. Northern Pika (Ochotona hyperborea); 11. Manchurian Pika (Ochotona mantchurica); 12. Hoffmann's Pika (Ochotona hoffmanni); 13. Korean Pika (Ochotona coreana), 14. Pallas's Pika (Ochotona pallasii).
Distribution. Paektu Mt (= Changbaishan) and the surrounding area in North Korea and NE China (Jilin). in Ochotonidae
Distribution. Paektu Mt (= Changbaishan) and the surrounding area in North Korea and NE China (Jilin).
Distribution. Restricted to the Borohoro Shan (Nilka, Jinghe, Usu, Shawan, Hutubi, Urumqi, and Hejing counties) and Halke Shan (Kuga County) in E Tian Shan Range in NW Xinjiang, NW China. in Ochotonidae
Distribution. Restricted to the Borohoro Shan (Nilka, Jinghe, Usu, Shawan, Hutubi, Urumqi, and Hejing counties) and Halke Shan (Kuga County) in E Tian Shan Range in NW Xinjiang, NW China.
Subspecies and Distribution. 0. g. gloveri Thomas, 1922 — upper part of Yangtze and Mekong basins in SW Qinghai and NE Tibet (=Xizang), SC China. 0. g. calloceps Pen Hungshou et al., 1962 — middle part of Yangtze and Mekong basins in C Sichuan and NW Yunnan, S China. in Ochotonidae
Subspecies and Distribution. 0. g. gloveri Thomas, 1922 — upper part of Yangtze and Mekong basins in SW Qinghai and NE Tibet (=Xizang), SC China. 0. g. calloceps Pen Hungshou et al., 1962 — middle part of Yangtze and Mekong basins in C Sichuan and NW Yunnan, S China.
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