Zobrazeno 1 - 10
of 4 999
pro vyhledávání: '"δ15n"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The determination of δ13C and δ15N values is a common method in archaeological isotope analysis—in studying botanical and human remains, dietary practices, and less typically soils (to understand methods of agricultural cultivation, incl
Externí odkaz:
https://doaj.org/article/d5118b38e72c488097196cd3fd19eb94
Autor:
Ribu Shama, Xu-Ri, Tian-Liang, Jiaoneng Yu, Yuxuan Cui, Songbo Qu, Lin Zhang, Eryuan Liang, Almaz Borjigidai
Publikováno v:
Global Ecology and Conservation, Vol 54, Iss , Pp e03188- (2024)
Understanding how foliar δ13C and δ15N vary with the environment is crucial for elucidating the carbon and nitrogen cycle dynamics within ecosystems. Yet, there is limited knowledge about these variations among different plant life types along alti
Externí odkaz:
https://doaj.org/article/cab4646a6ca5439abfa41beb9cd398a3
Publikováno v:
MethodsX, Vol 13, Iss , Pp 102889- (2024)
The nitrogen stable isotope composition (δ15N) of plant materials has numerous applications. Plant materials like bark can have a very high C:N ratio. Incomplete C combustion in such samples interferes with the δ15N measurement due to CO production
Externí odkaz:
https://doaj.org/article/b8dbbf6d2f7043e8b095e9315f4967e4
Autor:
Weilong Jiang, Fang Yang, Xihuan Wang, Qingfeng Miao, Meicheng Ji, Ting Pan, Qianqian Wang, Zhiming Han, Weiying Feng, Haiqing Liao
Publikováno v:
Agricultural Water Management, Vol 298, Iss , Pp 108872- (2024)
Technological advancements in isotope techniques have been widely utilized in environmental pollution research, particularly for the monitoring of nitrate pollution in water. The utilization of pretreatment with an aqueous nitric acid solution offers
Externí odkaz:
https://doaj.org/article/48c91e799f8445499d5f5ad4de2c6ec1
Autor:
Luis Gonzaga Santesteban, Maite Loidi, Inés Urretavizcaya, Mónica Galar, Sara Crespo-Martínez, José Bernardo Royo, Carlos Miranda
Publikováno v:
OENO One, Vol 58, Iss 2 (2024)
The study of the natural abundance of nitrogen-stable isotopes is an aspect of viticulture research that has received limited attention. While stable isotopes of carbon, oxygen and hydrogen have received significant attention, nitrogen isotope ratio
Externí odkaz:
https://doaj.org/article/3e9f5cd1a38644dc9a5de20eccabbf95
Publikováno v:
Plants, People, Planet, Vol 5, Iss 6, Pp 997-1010 (2023)
Societal Impact Statement Today, expansive C4 grassy biomes exist across central, western, and northern Madagascar. Some researchers have argued that the island's now‐extinct pygmy hippopotamuses belonged to a megaherbivore grazing guild that maint
Externí odkaz:
https://doaj.org/article/6155af7892c24c5e939c6342661896f6
Publikováno v:
Plants, Vol 13, Iss 16, p 2228 (2024)
Populus deltoides Bartr. ex Marsh. represents a valuable genetic resource for fast-growing plantations in temperate regions. It holds significant cultivation and breeding potential in northern China. To establish an efficient breeding population of p
Externí odkaz:
https://doaj.org/article/356c1a90ffad4b54893b8901209e23ad
Autor:
Cinthia C. Abbona, Ophélie Lebrasseur, Francisco J. Prevosti, Eva Peralta, Lucio González Venanzi, Laurent Frantz, Greger Larson, Adolfo F. Gil, Gustavo A. Neme
Publikováno v:
Royal Society Open Science, Vol 11, Iss 4 (2024)
The southern Mendoza province, located in the northern region of Patagonia, was inhabited by hunter-gatherer groups until historic times. Previous archaeological studies have reported canid remains among faunal assemblages, which were assumed to be p
Externí odkaz:
https://doaj.org/article/1f3d3129a8e84dd0a16c8fa49c7eb7fc
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Chemosymbiotic species inhabiting deep-sea hydrothermal vents are known to rely on microbial symbionts for nutrition. However, the relative contributions of heterotrophic energy sources to their diets remain poorly understood. In this study, we inves
Externí odkaz:
https://doaj.org/article/8f4eaed9bda44f73a6a0b7942dde9795