Zobrazeno 1 - 10
of 3 399
pro vyhledávání: '"Mixing model"'
Autor:
Hongbin Gao, Gang Wang, Yanru Fan, Junfeng Wu, Mengyang Yao, Xinfeng Zhu, Xiang Guo, Bei Long, Jie Zhao
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract The traceability of groundwater nitrate pollution is crucial for controlling and managing polluted groundwater. This study integrates hydrochemistry, nitrate isotope (δ15N-NO3 − and δ18O-NO3 −), and self-organizing map (SOM) and end-me
Externí odkaz:
https://doaj.org/article/98e647c5f65b4afb8b7528d8ce1941cd
Autor:
Biao Li, Xiaodong Wu, Xingfeng Dong, Haoran Man, Chao Liu, Siyuan Zou, Jianxiang He, Shuying Zang
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
Global warming has caused the gradual degradation of permafrost, which may affect the vegetation water uptake from different depths. However, the water utilization strategies of different vegetation species during the thawing stages of permafrost reg
Externí odkaz:
https://doaj.org/article/ccfd09342e06431e881e6f6cfc20107c
Publikováno v:
Ecosphere, Vol 15, Iss 8, Pp n/a-n/a (2024)
Abstract Climate change, nutrition pollution, and land use alterations influence the primary production of lakes. While light‐microscopy counting remains the standard for estimating phytoplankton community composition, its expense and time‐consum
Externí odkaz:
https://doaj.org/article/d5fec67214744b0dbdd669fd18e7dd0a
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
This study aimed to detect non-conservative processes that affect the distribution of fluorescent dissolved organic matter (FDOM) in the Baltic Sea. An extensive data set comprised of 408 FDOM data, optical and physical profiles, and the development
Externí odkaz:
https://doaj.org/article/83508c2b06924d18afe23240e2f0dd29
Publikováno v:
Progress in Fishery Sciences, Vol 45, Iss 1, Pp 1-13 (2024)
The aquatic ecosystem is essential for human survival and development. Food web studies on aquatic ecosystems describe many key processes, such as material cycling and energy flow processes. The results are of great significance for protecting the di
Externí odkaz:
https://doaj.org/article/d66ca617673a42ca93595bd52ed98b63
Autor:
FREDY ARMANDO A. AGUILAR, RAFAEL S.C. BARONE, GERSON B. MOURÃO, LUIZ ANTONIO MARTINELLI, JOSÉ EURICO P. CYRINO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 96, Iss 1 (2024)
Abstract Piaractus mesopotamicus, is a fish usually farmed in semi-intensive systems with access to natural food and supplementary feed. This study evaluates effects of feed allowance on the productive performance, carbon turnover and proportions of
Externí odkaz:
https://doaj.org/article/c14f0f12f39442b2b07d065555f35aa1
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 269, Iss , Pp 115822- (2024)
Nitrate (NO3–) contamination of surface water is a global environmental problem that has serious consequences for watershed ecosystems and endangers human health. It is crucial to identify influences of different sources of NO3−, especially the i
Externí odkaz:
https://doaj.org/article/314eee4b392a492bb491a932ddb541cf
Autor:
CLAUDIO W. MENDES JÚNIOR, JORGE ARIGONY NETO, FERNANDO L. HILLEBRAND, MARCOS W.D. DE FREITAS, JULIANA COSTI, JEFFERSON C. SIMÕES
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract Several studies have utilized passive microwave imagery for monitoring snowmelt in Antarctica. However, due to the low spatial resolution of these images (25 km), the quantification of snowmelt is not precise. To enhance the accuracy of thes
Externí odkaz:
https://doaj.org/article/a33ff90b90434a9ea16e1138068ad1bf
Publikováno v:
Ecological Processes, Vol 12, Iss 1, Pp 1-17 (2023)
Abstract Background Although freshwater ecosystems cover less than 1% of the earth's surface, they support extremely high levels of biodiversity and provide vital ecosystem services. However, due to the introduction of non-native fishes, aquatic ecos
Externí odkaz:
https://doaj.org/article/758ff8868c344395a8bc2dec796b3aaa
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Phosphorus is an important nutrient for the growth of marine organisms. External inputs of phosphorus can lead to changes in the primary productivity and may trigger harmful algal blooms. However, few studies have focused on the atmospheric transport
Externí odkaz:
https://doaj.org/article/56658eaf6fc841fd85ff63db6dc1d7ee