№ files_lp_4_process_3_070320
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Analysis of a scientific research supplement detailing measurement of stable isotopes and organophosphorus flame retardants in a lake food web to quantify trophic transfer and magnification across aquatic organisms.
Year: 2018
Region / City: Beijing, China
Subject: Environmental Chemistry / Ecotoxicology
Document Type: Supplementary Material / Research Article
Institution: Peking University, College of Urban and Environmental Sciences; Chinese Research Academy of Environmental Sciences
Authors: Haoqi Zhao, Fanrong Zhao, Jixuan Liu, Shiyi Zhang, Di Mu, Lihui An, Yi Wan, Jianying Hu
Target Organisms: Freshwater aquatic species in a lake food web
Methods: Stable isotope analysis, UPLC-MS/MS quantification, Trophic magnification factor calculation
Period of Study: Not specified
Reference Materials: VPDB, Atmospheric AIR, USGS42, IAEA-CH-7, USGS41
Endpoints: OPFR concentrations, trophic levels, lipid-normalized magnification factors
Analytical Precision: 0.2‰ for δ13C and δ15N
Instrumentation: Thermo Flash 2000 elemental analyzer, Thermo Delta V isotope ratio mass spectrometer, Waters Acquity UPLC Premier XE MS/MS
Price: 8 / 10 USD
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Supplemental Materials for Urinary Biomarkers for Assessment of Human Exposure to Monomeric Aryl Phosphate Flame Retardants
Year: 2026
Region / City: Beijing
Topic: Biomarkers, Environmental Science
Document Type: Research Supplement
Institution: Peking University
Authors: Fanrong Zhao, Qiyue Kang, Xiaohua Zhang, Jiaying Liu, Jianying Hu
Target Audience: Researchers in environmental sciences, toxicology
Period of Validity: N/A
Approval Date: N/A
Date of Last Update: N/A
Contextual Description: Research supplement detailing the synthesis and analysis of biomarkers for human exposure to flame retardants.
Ecological Consequences of Trophic Downgrading in North American Mixed and Shortgrass Prairies: Student Mapping and Data Analysis Exercise
Subject: Ecology; Paleoecology; Grassland ecosystems
Region: North America
Geographic focus: Mixed and shortgrass prairies
Document type: Educational assignment; classroom exercise
Educational level: Students
Topic: Trophic downgrading and ecosystem engineers
Key species: Mammuthus; Mammut americanum; bison; domestic livestock
Time periods discussed: Late Pleistocene; Holocene; Late Quaternary
Data source: Neotoma Paleoecology Database
Methods: Fossil distribution mapping; geographic range analysis; centroid calculation using latitude and longitude
Software / tools referenced: Neotoma Explorer
Activities included: Creation of species distribution maps; dataset download and analysis
Sections: Creating Distribution Maps – Mammoths & Mastodons in Pleistocene North America; Toward a Quantitative Understanding of the Data
Language: English
Pledge: The Wolf, the Moose, and the Fir Tree: A Case Study of Trophic Interactions Part I – Introduction
Note: Year
Contextual Description: Case study examining trophic interactions between wolves, moose, and balsam fir on Isle Royale using data from ring-width indices and primary productivity hypotheses.
Topics: organophosphorus Retardants Trophic