Results 21 to 30 of about 78,796 (264)

Identifying and Quantifying the Terrestrial Sediment Source Contributions to Coastal Dunes for Targeting Wind Erosion Mitigation in Jagin watershed, Hormozgan Province, Iran [PDF]

پژوهش‌های آبخیزداری, 2019
A sediment fingerprinting method was applied to identify and quantify terrestrial sediment source contributions to coastal sand dunes at the outlet of the Jagin watershed, east of Jask, the Province of Hormozgan. Sampling comprised of 20 sediment samples
Ebrahim Jafari Takhtinajad, Hamid Gholami, Adrian Collins, Abolhassan Fathabadi   +3 more
doaj   +1 more source

Reconstructing the Changes in Sedimentation and Source Provenance in East African Hydropower Reservoirs: A Case Study of Nyumba ya Mungu in Tanzania

Earth, 2021
This study aimed to reconstruct the sedimentation rates over time and identify the changing sources of sediment in a major hydropower reservoir in Tanzania, the Nyumba ya Mungu (NYM).
Aloyce I. M. Amasi, Maarten Wynants, Remegius A. Kawalla, Shovi Sawe, Linus Munishi, William H. Blake, Kelvin M. Mtei   +6 more
doaj   +1 more source

Microbial community composition, and not pH, influences lake sediment function

Ecosphere, 2022
Lake sediment microbial communities vary across ecosystems and are often differentiated across pH. Additionally, these pH‐mediated differences in community composition are often correlated with changes in sediment functioning, such as methane and carbon ...
Brittni L. Bertolet, Sydney I. Louden, Stuart E. Jones   +2 more
doaj   +1 more source

Geochemical Behavior of Rare Earth Elements in Tidal Flat Sediments from Qidong Cape, Yangtze River Estuary: Implications for the Study of Sedimentary Environmental Change

Land
Sediment transport to the sea by rivers is crucial for the stability of estuaries and coasts. The Yangtze River, the largest river in China, like many large rivers worldwide, is experiencing a decrease in sediment load reaching the coast.
Yunfeng Zhang, Zhenke Zhang, Wayne Stephenson, Yingying Chen   +3 more
doaj   +1 more source

Rare earth element geochemistry of sediments from the southern Okinawa Trough since 3 ka: Implications for river-sea processes and sediment source

Open Geosciences, 2019
The sediment sources in the southern Okinawa trough (SOT) are still controversial and few studies have focused on the effects of transport processes on the elemental composition of initial terrigenous materials.
Hu Siyi, Zeng Zhigang, Fang Xue, Zhu Bowen, Li Xiaohui, Chen Zuxing   +5 more
doaj   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

FEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa, Shinya Sugimoto, Toshiro Sato   +2 more
wiley   +1 more source

Conserved binding mode but diverse interfaces of MreC‐PBP2 interactions

FEBS Letters, EarlyView.
The crystal structure of abMreC reveals a conserved two β‐barrel architecture and provides structural insights into its role within the bacterial elongasome. The abMreC–abPBP2 complex model identifies the molecular basis of MreC‐mediated PBP2 recognition, contributing to the regulation of peptidoglycan synthesis.
Hyunseok Jang, Hyo Been Jin, Chang Min Kim, So Yeon Lee, Hyun Ho Park   +4 more
wiley   +1 more source

Holocene evolution of the buried tidal sand body in the North Jiangsu Plain of China revealed by luminescence dating

Frontiers in Marine Science
In the northern Jiangsu coastal zone of China, the buried tidal sand body (BTSB) is suggested to share a similar origin with the offshore radial sand ridge system in the southwestern Yellow Sea.
Xiaomei Nian, Weiguo Zhang, Xuemei Wang, Fengyue Qiu   +3 more
doaj   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta, Hari Baskar Balasubramanian, Amir Pasokh, Marietta Zille   +3 more
wiley   +1 more source

Application of Rare Earth Element Tracer in the Research of Soil Erosion and Sediment Source

Shuitu baochi yanjiu, 2023
[Objective]Understanding the tracing approach of rare earth elements(REE)in soil erosion and sediment source identification, and clarifying their uncertainties are important to obtain robust quantification results of soil erosion and sediment source ...
ZHANG Jiaqiong, SHANG Yueting, BAI Ruru, YIN Minfeng, DANG Zhen, YANG Mingyi, XIAO Hai   +6 more
doaj