Results 91 to 100 of about 1,536 (191)

Social Microbial Transmission in a Solitary Mammal

Ecology Letters, Volume 28, Issue 8, August 2025.
The socially‐mediated transfer of microbiota is thought to be a major benefit of sociality in group‐living animals with strong social bonds and affiliative interactions. Here, we tested the hypothesis that social microbial transmission can occur in solitary, non‐social red squirrels through naturally occurring fluctuations in population density and ...
Lauren Petrullo, Quinn Webber, Aura Raulo, Stan Boutin, Jeffrey E. Lane, Andrew G. McAdam, Ben Dantzer   +6 more
wiley   +1 more source

How do plateau pikas use burrows during population reestablishment?

Global Ecology and Conservation
The construction of burrow systems is one of the most important challenges for burrowing animals, especially during population reestablishment. Efficient use of the existing resources could help improve the survival chances.
Rui Zhang, Wei Liu
doaj   +1 more source

Herbivory and Competition of Tibetan Steppe Vegetation in Winter Pasture: Effects of Livestock Exclosure and Plateau Pika Reduction [PDF]

, 2015
: Rangeland degradation has been identified as a serious concern in alpine regions of western China on the Qinghai-Tibetan plateau (QTP). Numerous government-sponsored programs have been initiated, including many that feature long-term grazing ...

core   +1 more source

The Effect of Structure Building Small Mammals in a Shifting Arctic Landscape

Ecology and Evolution, Volume 15, Issue 6, June 2025.
We examined the effects of structure builders on biogeochemical cycling under future arctic tundra conditions. We found that structures influence nutrient availability and vegetation communities differently between contemporary and future conditions.
Austin Roy, Jennie R. McLaren
wiley   +1 more source

Downregulation of forkhead box O1 (FOXO1) acetylation ameliorates cognitive dysfunction by inhibiting endoplasmic reticulum stress‐regulated neuronal apoptosis in APP/PS1 transgenic mice

Neuroprotection, Volume 3, Issue 2, Page 183-201, June 2025.
Downregulation of the expression of silent information regulator sirtuin 1 (SIRT1) exacerbates neuronal degeneration and loss by activating forkhead box O1 (FOXO1) acetylation and promoting endoplasmic reticulum stress (ERSA)‐mediated apoptosis in aging.
Nan Zhang, Zongyuan Zhao, Xiaoxiao Chen, Hanbing Yao, Min Zhu, Shuqing Ma, Hui Wang, Xianghong Yin, Ying Zhou, Chenfei Zheng, Jianmin Li, Jingye Pan, Kaicheng Wang, Bin Yang, Yunting Wang, Junming Fan, Yongsheng Gong, Rong Liu, Jing Zeng, Xiaofang Fan, Yangping Shentu   +20 more
wiley   +1 more source

Male reproductive success in plateau pikas (Ochotona curzoniae): A microsatellite analysis [PDF]

, 2020
In many social species, competition and cooperation between group members may lead to a large variance in reproductive success among individuals, especially for adult male.
Baofa Yin, Shengmei Yang, Wanhong Wei, Yanming Zhang   +3 more
core  

The mating system, dispersal behavior and genetic structure of a collared pika (Ochotona collaris: Ochotonidae) population in the southwest Yukon, and a phylogeny of the genus Ochotona. [PDF]

, 2011
Pikas (Ochotona, Ochotonidae) are small, short-eared lagomorphs that inhabit steppes and mountains in northern and central Asia and alpine regions in western North America.
Zgurski, Jessie
core   +2 more sources

Seasonal Variation in the Diversity of the Gut Microbiota of Short‐Faced Moles Reveals the Associations of Climatic Factors on the Gut Microbiota of Subterranean Mammals

Ecology and Evolution, Volume 15, Issue 5, May 2025.
Significant seasonal differences in the diversity of the gut microbiota of the short‐faced moles. Compared to spring, the diversity and function of gut microbiota in summer and autumn are more similar to each other. Climatic factors are found to have a significant association with the seasonal variation of the gut microbiota of short‐faced moles ...
Di Xu, Mengmeng Wu, Zenghao Gao, Yue Zhao, Meng Hu, Yang Wen, Linlin Wang, Deli Xu, Lei Chen   +8 more
wiley   +1 more source

Pika population density is associated with composition and diversity of gut microbiota

Frontiers in Microbiology, 2016
Host population density is positively associated with the strength of social interactions or the frequency of physical contacts, and thus potentially influences microbial transmission among individuals.
Huan eLi, Jiapeng eQu, Tongtong eLi, Jiabao eLi, Qiang eLin, Xiangzhen eLi   +5 more
doaj   +1 more source

Keystone effects of prairie dogs (Cynomys spp.) on grassland birds: Current knowledge and future directions

Conservation Science and Practice, Volume 7, Issue 4, April 2025.
This article reviews the literature on how prairie dogs as keystone species affect grassland birds, an imperiled avian community. We tested hypotheses and synthesized conclusions from the literature, and then we identified key knowledge gaps to be filled with future work.
R. Andrew Dreelin, Andy J. Boyce, Holly P. Jones   +2 more
wiley   +1 more source