| 单词 | Microtus |
| 例句 | They’re a bit boring, being highly similar to the myriad Microtus and Myodes/Clethrionomys species that make up the bulk of vole diversity. North America: land of obscure, freaky voles 2014-01-13T16:45:00.548Z In order to study the extent of utilization of various habitats by Microtus, a number of areas were sampled with Museum Special snap-traps. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The northern pygmy mouse makes runways in the grass, in miniature resembling those of Microtus, and often uses runways constructed by Sigmodon. Speciation and Evolution of the Pygmy Mice, Genus Baiomys 2011-12-15T03:00:11.933Z The baculum in Microtus ochrogaster—orientation and variation with age. a. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z This file shows the differences between Microtus 91001 and the ancient genome. A draft genome of Yersinia pestis from victims of the Black Death 2011-10-26T17:21:57.317Z Previous studies of growth in Microtus have been based almost entirely on weights. Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster) 2011-09-19T02:00:13.453Z In House Field, however, the ratio of Sigmodon to Microtus was notably higher. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Microtus ochrogaster can be separated from other voles in its geographic range by a combination of several characters. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z The early ossification of the baculum noted in the rat and the hamster occurs in Microtus also. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z The Microtus 91001 strain is the closest branch 1 and branch 2 relative confirmed to be non-pathogenic to humans, hence genetic changes may represent contributions to the pathogen’s adaptation to a human host. A draft genome of Yersinia pestis from victims of the Black Death 2011-10-26T17:21:57.317Z I watched the Marsh Hawk make many passes at what I thought were sparrows, but the only animal I ever saw caught by the hawk was a Microtus. Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima 2011-06-01T02:00:28.030Z Before the great drought of the thirties, Microtus ochrogaster was the most common species of small mammal in that area. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z See figure 1 showing the known range of Microtus ochrogaster. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z The development of the baculum in Microtus ochrogaster was studied in 32 specimens of various ages. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z In 22 mouse traps set the first night in this locality, three Synaptomys, six Microtus and one Sorex were taken. Mammals taken Along the Alaska Highway It is known, however, to occur also in North Italy and in Bohemia, while Microtus leucurus of the Pyrenees is identical with this species. The History of the European Fauna These relationships are discussed more fully in the section on mammalian associates of Microtus. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The activities of voles, especially those of the genus Microtus, attracted the attention of naturalists even in early times. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z He argues also that Arvicola is generically distinct from Microtus on the grounds that the two groups have separate origins, Arvicola having descended from the genus Mimomys and Microtus from some other group of microtines. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Remarks.—Microtus p. alcorni is a well-defined subspecies differing markedly from adjacent subspecies by a larger and heavier skull and broader, more rounded and heavier zygomatic arches. Mammals taken Along the Alaska Highway The specimen is seemingly more like M. pennsylvanicus than any other species of Microtus. Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas Perhaps the most characteristic sign of the presence of Microtus ochrogaster were their surface runways and underground tunnels. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The prairie vole, like some other species of Microtus, lays away stores of food, usually underground; the maximum quantity found in one cache was two gallons. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z For these reasons I am here referring Microtus longicaudus to the subgenus Chionomys; previously it has not been referred to that subgenus. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Second, Microtus nanus was not, as Bailey assumed, a different species than Microtus montanus. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado This study is concerned primarily with mice from Wyoming and Colorado; I realize, however, that the physiographic and ecological conditions important to the distribution and subspeciation of Microtus pennsylvanicus do not correspond to political boundaries. Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas The reason for the heavy diet of Microtus seems to be that both the owl and the vole are especially active at dusk. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Reproduction in Microtus ochrogaster ceased in December, 1945, in northeastern Kansas, and the first evidence of reproduction in 1946 was observed in February. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z Specimens examined: Forty-one, of three subspecies; Microtus ochrogaster haydeni, Muir Springs, 2 mi. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Areas suitable for Microtus montanus are separated by deserts that are dominated by sagebrush and other xerophytic plants or by forests or rocky exposures at higher altitudes. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado Geographic variation in color in Microtus pennsylvanicus in the Rocky Mountains. Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas Slightly more than a year later, in October, 1950, I began trapping and found Microtus to be abundant on House Field and present in smaller numbers throughout grassland areas of the Reservation. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Revision of the American voles of the genus Microtus. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z It may be asked whether the Old World and New World Pitymys have developed as fossorial Microtus independently, or from an ancestor common to both groups and not common to any other Microtus. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Discussion.—Three species of Microtus were collected by James W. Bee at the type locality. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado Distribution of the subspecies of Microtus pennsylvanicus in Wyoming and Colorado. Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas The catch was assumed to indicate the relative abundance of Microtus and certain other small mammals but no attempt to estimate actual population densities from snap-trapping data was made. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Fifty-eight gravid females of Microtus ochrogaster examined by me had an average of 3.4 embryos each; the number of embryos ranged from one to seven. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z Voles of the genus Microtus vary in the structure of the baculum almost as much as do the lemmings. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z Notes on the meadow mice Microtus montanus and Microtus nanus with descriptions of a new subspecies from Colorado. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado Competition as a possible limiting factor in the distribution of Microtus. Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas Although House Field produced a heavier crop of vegetation, Quarry Field produced a larger crop of rodents, chiefly Microtus and Sigmodon. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Microtus montanus was the only other species taken in the mouse traps in the sedge and grass. Mammals of Mesa Verde National Park, Colorado Comparison of the Block Island "species" of Microtus with M. pennsylvanicus. The Baculum in Microtine Rodents 2011-11-17T03:00:33.777Z The study here reported upon is based on 1,187 specimens of Microtus montanus from Wyoming, Colorado, Idaho and Montana, and on work in the field. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado This place is only approximately forty miles east and north of the type locality of the earlier named Microtus muriei, also a member of the subgenus Stenocranius. Comments on the Taxonomy and Geographic Distribution of North American Microtines The dam of a small pond on the Reservation and low ground near the water were used by Microtus at all times. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Our examination of specimens from localities in Montana east of the range here ascribed to M. m. pratincolus indicates that, among named kinds of Microtus, those specimens are best referred to M. m. nanus. A New Subspecies of Microtus montanus from Montana and Comments on Microtus canicaudus Miller Agreement on the activity patterns of these species of Microtus has not yet been attained. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Geographic range of Microtus montanus in Wyoming, Colorado, and adjacent areas. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado In the course of live-trapping operations several species of small mammals other than Microtus ochrogaster were taken in the traps. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z This showed that the 30 foot interval between traps was short enough to cover the area as far as Microtus was concerned. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z In brief, Bailey probably did not see any specimens of canicaudus or specimens of any other subspecies of Microtus montanus from Warm Springs. A New Subspecies of Microtus montanus from Montana and Comments on Microtus canicaudus Miller In the two lower graphs the solid line represents Microtus, the broken line Sigmodon, and the dotted line Reithrodontomys. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Microtus montanus reaches the eastern limits of its geographic distribution in Wyoming and Colorado. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado The solid line represents Microtus, the broken line Sigmodon, and the dotted line Reithrodontomys. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z No territoriality has been reported in any species of Microtus, to my knowledge, and my voles showed no objection to sharing their range. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z At all times, there were areas on the Reservation used by Microtus which could not support a population of Sigmodon. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The population of Sigmodon retained its high level, relative to Microtus, until February, 1952. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z A study of the California forms of the Microtus montanus group of meadow mice. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado These limited data seem to indicate competition between Sigmodon and Microtus in Kansas. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The prairie vole, like other members of the genus Microtus, feeds mostly on growing grass in spring and summer. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Extremely wet conditions seem to give Sigmodon a competitive advantage whereas Microtus is better able to survive dry summers and severe winters. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Other mammals noted on the study areas were the following: Didelphis marsupialis, Blarina brevicauda, Scalopus aquaticus, Canis familiaris, Canis latrans, Procyon lotor, Felis domesticus, Sylvilagus floridanus, Microtus pinetorum, Mus musculus and Zapus hudsonius. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Apparent home range of Microtus in relation to distance between traps. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Notes on the population dynamics of Microtus and Blarina with a record of albinism in Blarina. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z There have been a few laboratory studies of the activity pattern of Microtus by various methods. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。