Results 31 to 40 of about 32,490 (183)

Life‐history traits and fitness of plateau pika (Ochotona curzoniae) in alpine meadow ecosystem

Ecology and Evolution, 2022
Plateau pika (Ochotona curzoniae) is an endemic mammal living in the alpine meadow ecosystem in Qinghai–Tibet Plateau. We studied life history of plateau pika by mark–recapturing method.
Haiyan Nie, Jike Liu, Baoyang Chen
doaj   +1 more source

Pikas and People: Human-Pika (Ochotona) interaction in the Himalaya of Nepal

Biodiversitas Journal of Biological Diversity, 2021
Abstract. Koju NP, Chalise MK, Kyes RC. 2021. Pikas and People: Human-Pika (Ochotona) interaction in the Himalaya of Nepal. Biodiversitas 22: 5085-5091. This study examined human-pika (Ochotona) interaction in two protected areas of Nepal: Lamtang National Park (LNP) and Api Nampa Conservation Area (ACNA).
Narayan Koju, Mukesh Kumar Chalise, Randall C Kyes   +2 more
openaire   +2 more sources

Functional evolution of leptin of Ochotona curzoniae in adaptive thermogenesis driven by cold environmental stress.

PLoS ONE, 2011
BackgroundEnvironmental stress can accelerate the directional selection and evolutionary rate of specific stress-response proteins to bring about new or altered functions, enhancing an organism's fitness to challenging environments.
Jie Yang, Timothy G Bromage, Qian Zhao, Bao Hong Xu, Wei Li Gao, Hui Fang Tian, Hui Jun Tang, Dian Wu Liu, Xin Quan Zhao   +8 more
doaj   +1 more source

Monitoring Plateau Pika and Revealing the Associated Influencing Mechanisms in the Alpine Grasslands Using Unmanned Aerial Vehicles

Drones
Plateau pika (Ochotona curzoniae, hereafter pika) is a key species in the alpine grasslands on the Qinghai-Tibetan Plateau (QTP). They are susceptible to the influence of external disturbance and may present great variation, which is important to ...
Xinyu Liu, Yu Qin, Yi Sun, Shuhua Yi
doaj   +1 more source

Moderate plateau pika activity had minor effect on ecosystem C and N in alpine grasslands

Global Ecology and Conservation
Plateau pika (Ochotona curzoniae, hereafter pika) is an ecosystem engineer on the Qinghai-Tibetan Plateau (QTP), whose activity exerts a profound effect on the ecosystem nutrient cycle of alpine grasslands.
Yu Qin, Tao Huang, Hongyan Yu, Xianying Wang, Shunhua Luo, Xinyu Liu   +5 more
doaj   +1 more source

Plateau pika fecal microbiota transplantation ameliorates inflammatory bowel disease manifestations in a mouse model of colitis

Frontiers in Microbiology, 2023
Inflammatory bowel disease (IBD) is a serious global public health concern. Although the pathogenesis of the disease is currently unknown, it has been reported to be associated with both intestinal microbiota and inflammatory mediators. There is evidence
Yayuan Yang, Baiqiang Cui, Yanan Lv, Xiangnan Lu, Wenxiang Shen, Min Feng, Xuezhi Ding, Pengcheng Dong, Yu Wang   +8 more
doaj   +1 more source

Experimental Stomach-ulcer on Pika

Experimental Animals, 1990
Experimental gastric ulcer formation was performed in the pika and compared with that in the rat. Gastric ulcers were formed in pika that were subjected to water restraint for 4-5 days for 2 hours each day. Gastric ulcers were also formed under conditions of 1-4 days for 3 hours each day and 1-2 days for 5 hours each day.
Y, Kodama, T, Sakai, K, Naito, S, Horiuchi   +3 more
openaire   +3 more sources

Re-evaluating climate as the best predictor of pika (Ochotona princeps) surface activity [PDF]

, 2016
Alpine and subalpine ecosystems are expected to experience a disproportionate amount of warming in the coming decades. Rising temperatures in these ecosystems threatens biodiversity and water resources globally. The American pika (Ochotona princeps) is a
Plichta, Maxwell C.
core   +2 more sources

3+1+1 dimensional covariant gravitational dynamics on an asymmetrically embedded brane [PDF]

, 2009
We give the evolution and constraint equations on an asymmetrically embedded brane in the form of average and difference equations.Comment: 7 pages; due to page limits first two sections to be published in the Proceedings of the Grassmannian Conference
Clarkson, Clarkson, Deffayet, Dunsby, Gergely, Gergely, Gergely, Gergely, Goheer, Gordon, Gumjudpai, Koyama, Koyama, Leong, Maartens, Mukohyama, Mukohyama, Mukohyama, Pal, Shiromizu   +19 more
core   +2 more sources

Species Monitoring Using Unmanned Aerial Vehicle to Reveal the Ecological Role of Plateau Pika in Maintaining Vegetation Diversity on the Northeastern Qinghai-Tibetan Plateau

Remote Sensing, 2020
Plateau pika (Ochotona curzoniae, hereafter pika) is considered to exert a profound impact on vegetation species diversity of alpine grasslands. Great efforts have been made at mound or quadrat scales; nevertheless, there is still controversy about the ...
Yu Qin, Yi Sun, Wei Zhang, Yan Qin, Jianjun Chen, Zhiwei Wang, Zhaoye Zhou   +6 more
doaj   +1 more source