Results 11 to 20 of about 7,856,330 (296)

A study on pollution emission flux estimation and tailwater for mariculture in the Tianjin, China [PDF]

E3S Web of Conferences
With the rapid development of marine aquaculture in Tianjin, the methods and types of aquaculture are constantly evolving and changing. Due to the presence of large amounts of pollutants such as nitrogen and phosphorus in aquaculture wastewater, it has ...
Yuan Hui, Liu Jiahong, Tian Ye, Han Shaoqiang, Zhai Haojie   +4 more
doaj   +1 more source

National Inventory of Landscapes in Sweden (NILS) - scope, design, and experiences from establishing a multiscale biodiversity monitoring system [PDF]

, 2011
The landscape-level and multiscale biodiversity monitoring program National Inventory of Landscapes in Sweden (NILS) was launched in 2003. NILS is conducted as a sample-based stratified inventory that acquires data across several spatial scales, which is
Lagerqvist, Kjell, Nilsson, Björn,, Nilsson, Liselott,, Sveriges lantbruksuniversitet., Allard, Anna, Ståhl, Göran, Nilsson, Björn, Glimskär, Anders,, Svensson, Johan, Christensen, Pernilla, Högström, Mats, Esseen, Per-Anders,, Lagerqvist, Kjell,, Sundquist, Sture,, Christensen, Pernilla,, Gallegos Torell, Åsa,, Högström, Mats,, Ståhl, Göran,, Hedström Ringvall, Anna,, Esseen, Per-Anders, Glimskär, Anders, Gallegos Torell, Åsa, Marklund, Liselott, Svensson, Johan,, Ringvall, Anna, Allard, Anna,, Sundquist, Sture, Inghe, Ola, Glimskär, Anders Ove,, Swedish University of Agricultural Sciences.   +29 more
core   +1 more source

Monitoring environmental change in an ecosystem [PDF]

Biosystems, 2008
The monitoring and analysis of the processes taking place in an ecosystem is a key issue for a sustainable human activity. A system of populations, as the biotic component of a complex ecosystem is usually affected by the variation of its abiotic environment.
Manuel Gámez, Inmaculada López, Sándor Molnár   +2 more
openaire   +2 more sources

Determination of Silver in Soil and Stream Sediments by ICP-MS/MS with Four Collision/Reaction Modes

Yankuang ceshi, 2022
BACKGROUND It is difficult to accurately determine the content of Ag in soil and sediment due to the mass spectrum interference of niobium, zirconium oxide and hydroxide during inductively coupled plasma-mass spectrometry (ICP-MS) analysis. OBJECTIVES To
LIU Yue, LIN Dong, WANG Jilu, LI Jing, WANG Xin   +4 more
doaj   +1 more source

Polybrominated diphenyl ethers (PBDEs) in sediment and fish tissues from Lake Chaohu, central eastern China

Archives of Environmental Protection, 2015
Polybrominated diphenyl ethers (PBDEs) levels in environmental media have increased over the last 20-25 years in the world. In aquatic environments PBDEs were found to be accumulated along food chain and Endocrine disruptors toxicity. In this study PBDEs
Yang Suwen, Fu Qiang, Teng Man, Yang Jing   +3 more
doaj   +1 more source

Simultaneous Determination of 51 Odorous Substances in Water by Headspace-Solid Phase Microextraction-Gas Chromatography/Triple Quadrupole Mass Spectrometry [PDF]

Zhipu Xuebao, 2023
A method of headspace-solid-phase microextraction-gas chromatography/triple quadrupole mass spectrometry was established for simultaneous determination of 10 types of 51 odorous substances in water. The effects of extraction head, extraction temperature,
LIU Jian-zhuo1, CHEN Qiu-ling1, WU Yue-jun2, ZHANG Ming-shan1, HE Shu-hai1   +4 more
doaj   +1 more source

Research on the Influence of Weather Patterns on Ozone Concentration: A Case Study in Tianjin

Atmosphere, 2022
Ozone (O3) is an important secondary substance that plays a significant role in atmospheric chemistry and climate change. Although O3 is essential in the stratosphere, it is harmful to human health in the troposphere, where this study was conducted.
Yuan Li, Jiguang Wang, Liwei Li, Yu Bai, Jingyun Gao, Lei He, Miao Tang, Ning Yang   +7 more
doaj   +1 more source

Waste Isolation Pilot Plant Environmental Monitoring Plan [PDF]

, 2004
U.S. Department of Energy (DOE) Order 450.1, Environmental Protection Program, requires each DOE site to conduct environmental monitoring. Environmental monitoring at the Waste Isolation Pilot Plant (WIPP) is conducted in order to: (a) Verify and support
Washington Regulatory and Environmental Services, Westinghouse TRU Solutions LLC   +1 more
core   +1 more source

Evaluation of Data Quality on the Detection of Heavy Metals in Soils by Atomic Absorption Spectrometry or Atomic Fluorescence Spectrometry and X-ray Fluorescence Spectrometry in Ecological Environment Monitoring

Yankuang ceshi, 2019
BACKGROUND In current ecological environmental monitoring, the standard methods used to determine the total contents of inorganic elements, such as heavy metals in soil, include atomic absorption spectrometry (AAS), atomic fluorescence spectrometry (AFS)
TIAN Zhi-ren, FENG Xue, JIANG Xiao-xu, LI Zong-chao, LI Yu, XIA Xin   +5 more
doaj   +1 more source

Spatio-temporal variation of vegetation and its correlation with soil moisture in the Yellow River Basin

Shuiwen dizhi gongcheng dizhi, 2023
Analyzing the temporal and spatial changes of vegetation and its correlation with soil moisture and quantitatively revealing the impact of soil moisture on vegetation growth are of certain significance for drought monitoring and ecological protection ...
Mengmeng GAO, Xiaolei LI, Nan YANG, Yi WANG, Qiong LIU, Zixin ZHAO   +5 more
doaj   +1 more source