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The enigmatic Chinese mountain cat, endemic to the Qinghai-Tibet Plateau, has a controversial taxonomic status, whether a true species or conspecific with the wildcat (Felis silvestris) and whether it may have contributed to the domestication of cats (F. s. catus) in Asia. Here, we sampled 270 domestic and wild cats across China, sequenced 51 nuclear genomes, 55 mitogenomes, and multi-locus regions from modern and museum specimens. Genome-wide phylogenies supported taxonomic classification of the Chinese mountain cat as wildcat subspecies, F. s. bieti. No involvement of F. s. bieti in cat domestication in East Asia was detected, confirming that domestic cats shared a single origin from the African wildcat (F. s. lybica). A complex hybridization scenario including ancient introgression from the Asiatic wildcat (F. s. ornata) to F. s. bieti, and contemporary gene flow between F. s. bieti and sympatric domestic cats in the Tibetan region, raises the prospect of disrupting the genetic integrity of F. s. bieti, an issue with profound conservation implications.

Based on Markov chain, the paper establishes average queue length model of bus stop. By the model, the length of bus stop zones is determined. By VISSIM, the paper researches on a typical bus stop simulation and certificates Markov model in order to determine the feasibility and reasonableness of zone length. For the typical bus stop, paper studies the rehabilitation programs on the average queuing length, maximum queuing length and delays. Based statistical results, the paper determines a reasonable rehabilitation programs and gives an optimization design instances.

To avoid the the interference of busy backgrounds when tracking, detecting and recognizing moving targets in complicated traffic scene, an improved algorithm is proposed on the basis of the original MeanShift algorithm which use different colors of the centroid positions to identify the target. MeanShift algorithm can be used to calcucte the centroid position of each color in the monitoring area. Then the centroid positon of every color in every frame can be identified by analyzing spatial distribution and iteration. At last, establish weighting functions to increase the recognition accuracy so as to recognize and track the targets in complicated traffic scene. Experiments have shown that the improved algorithm is better than the traditional algorithm in identifying and tracking moving targets in the monitoring of complicated traffic scene.

Abstract Regurgitated pellets (n = 584) of Long-eared Owl (Asio otus) were collected for three seasons from Gansu Endangered Animal Research Center, Gansu Province, China. From these pellets, a total of 1011 individual prey items – representing seven species of rodents and two undetermined species of birds and one undetermined sorex-species – were identified. Long-eared Owls depend mainly on small mammals both based on prey numbers (95.5%) and prey biomass (97.0%). The composition of the diet of Long-eared Owls varied significantly among seasons by frequency and by biomass. The individual species groups indicated significant variation among seasons for Mus musculus, Meriones meridianus, Cricetulus barabensis, Phodopus roborovskii, Dipus sagitta and Rattus norvegicus by biomass. And the difference of seasonal variation of prey items were significant but not for Mus musculus by frequency. Based on prey numbers, Mus musculus was the main food item (50.5%) in its diet; this species was most common in autumn (56.9%) and least common during spring (36.7%). Main prey species, based on prey biomass, was Rattus norvrgicus which comprised 27.5% of total biomass from our pellet samples. The mean length of tibias of mammals in pellets of Long-eared Owls was 18.6 ± 5.4 mm. Long-eared Owls utilize a wide range of prey items in respect to their habitats. Results suggest that Long-eared Owls are selective predators at some levels.

In recent years, accompanied by the Xi'an city spatial expansion and the increase of private cars, city center traffic congestion and parking problems are becoming more and more serious. This Article Combined with Xi’an subway line that is currently under construction. Puts forward the xi’an P&R parking interchanging system, And the use of a logit model established parking interchanging probability selection model. Finally by using the model prediction P&R xi’an transfer amount, Provides the basis for xi’an establish P&R facilities in the future.

Road passenger transport warning systems were built using the early warning theory. It helped to enrich management means and methods of the road passenger transport industry, and improved the correctness and pertinence of macroscopic decisions. It also promoted healthy and fast development of roads for the passenger transport industry. The impact factors of road passenger transport are analyzed in this paper, and an evaluation system and its limits are constructed with scientific, systematic, feasibility and effectiveness principles. The warning score is estimated based on the Entropy theory and its trends are forecasted based on GM (1,1) model. The Fujian Province is carried out via empirical research as an example. The result shows that the early warning model works, and can provide evidence for guiding and regulating the development of the road passenger transport industry.