Results 21 to 30 of about 152,218 (276)

Leaf litter chemistry and its effects on soil microorganisms in different ages of Zanthoxylum planispinum var. Dintanensis

BMC Plant Biology, 2023
Background Leaf litter is the products of metabolism during the growth and development of plantation, and it is also an important component of nutrient cycling in plantation ecosystems.
Yanping Song, Yanghua Yu, Yitong Li, Mingfeng Du   +3 more
doaj   +1 more source

The Characteristics of Soil C, N and P and Stoichiometric Ratios as Affected by Land-Use in a Karst Area, Southwest China

Land, 2023
Chemometric analysis is often used as an effective indicator of the supply capacity of nutrients in soil–plant systems and their biogeochemical cycles. Understanding ecological stoichiometric characteristics of C, N and P in soils under various land uses
Yang Ma, Chunlai Zhang, Hui Yang, Yikai Xu, Yan Chen, Jing Ning   +5 more
doaj   +1 more source

Neonicotinoid and s-triazine pesticide transport dynamics in a small karst agricultural watershed. [PDF]

J Environ Qual
Abstract The potential ecological and human health risks posed by agricultural pesticides necessitate a comprehensive understanding of pesticide transport dynamics to guide effective management. Riparian buffers are often implemented to mitigate nutrients and sediment transported in surface runoff.
Kibuye HJ, Veith TL, Groh TA, Preisendanz HE.   +3 more
europepmc   +2 more sources

Water flow characteristics of Maocun underground river basin based on environmental isotopes

Carsologica Sinica, 2022
Underground river basins in peak-cluster depressions are main water supply sources of villages in Guangxi. But there exist problems of groundwater exploitation, groundwater pollution and natural disasters in these areas due to a special geological ...
Yongli GUO, Peiyan WU, Fen HUANG, Ping’an SUN, Ying MIAO, Shaohua LIU   +5 more
doaj   +1 more source

Evaporite-karst processes, landforms, and environmental problems [PDF]

, 2008
Evaporite karst is widespread, but relatively unknown when compared with carbonate karst; this special issue addresses that lack of familiarity. Evaporite rocks have much higher solubilities and faster dissolution rates than carbonate rocks and they also
Cooper, Anthony, Gutiérrez, F, Johnson, Kenneth   +2 more
core   +1 more source

Stratigraphy and Chronology of Karst Features on Rodriguez Island, Southwestern Indian Ocean [PDF]

, 2015
This publication has been made available with the permission of the National Speleological Society (www.caves.org).
Burney, DA, Burney, LP, Hume, JP, Middleton, GJ, Porch, N, Steel, L   +5 more
core   +1 more source

Using Lidar Data to Analyse Sinkhole Characteristics Relevant for Understory Vegetation under Forest Cover\u2014Case Study of a High Karst Area in the Dinaric Mountains [PDF]

, 2015
In this article, we investigate the potential for detection and characterization of sinkholes under dense forest cover by using airborne laser scanning data.
Igor, Dakskobler, Irena, Bertoncelj, Lado, Kutnar, Milan, Kobal, Pirotti, Francesco   +4 more
core   +4 more sources

Directional Deep Brain Stimulation for Parkinson's Disease: Results of an International Crossover Study With Randomized, Double‐Blind Primary Endpoint

Neuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Objective Published reports on directional deep brain stimulation (DBS) have been limited to small, single‐center investigations. Therapeutic window (TW) is used to describe the range of stimulation amplitudes achieving symptom relief without side effects.
Alfons Schnitzler, Pablo Mir, Matthew A. Brodsky, Leonard Verhagen, Sergiu Groppa, Ramiro Alvarez, Andrew Evans, Marta Blazquez, Sean Nagel, Julie G. Pilitsis, Monika Pötter‐Nerger, Winona Tse, Leonardo Almeida, Nestor Tomycz, Joohi Jimenez‐Shahed, Witold Libionka, Fatima Carrillo, Christian J. Hartmann, Stefan Jun Groiss, Martin Glaser, Florence Defresne, Edward Karst, Binith Cheeran, Jan Vesper, for the PROGRESS Study Investigators   +24 more
wiley   +1 more source

In-situ cosmogenic ³⁶Cl denudation rates of carbonates in Guizhou karst area [PDF]

, 2013
This study quantifies surface denudation of carbonate rocks by the first application of in-situ cosmogenic ³⁶Cl in China. Concentrations of natural Cl and in-situ cosmogenic ³⁶Cl in bare carbonates from ...
Freeman, Stewart, Lang, Yun Chao, Liu, Cong Qiang, Schnabel, Christoph, Tu, Cheng Long, Wilcken, Klaus, Xu, Sheng, Zhao, Zhi Qi   +7 more
core   +2 more sources

Distribution characteristics of iodine in karst groundwater in Xintian county, Hunan Province and the analysis on the causes of high iodine

Carsologica Sinica, 2023
Iodine is one of the essential trace elements for human body, which maintains the growth and normal metabolism of the organism. Iodine deficiency or excess will have different degrees of impact on human health.
Xiaopan LI, Guoquan NIE, Chuntian SU, Xiaodong PAN   +3 more
doaj   +1 more source