Brad Marden

ORCID: 0000-0003-0042-3620
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About
Contact & Profiles
Research Areas
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Fish Ecology and Management Studies
  • Aquatic Invertebrate Ecology and Behavior
  • Pesticide Exposure and Toxicity
  • Environmental Toxicology and Ecotoxicology
  • Transboundary Water Resource Management
  • Protist diversity and phylogeny
  • Plant and animal studies
  • Environmental DNA in Biodiversity Studies
  • Mercury impact and mitigation studies
  • Marine and environmental studies
  • Computational Drug Discovery Methods
  • Isotope Analysis in Ecology
  • Zebrafish Biomedical Research Applications
  • Nicotinic Acetylcholine Receptors Study
  • Animal Ecology and Behavior Studies
  • Pesticide Residue Analysis and Safety
  • Coastal wetland ecosystem dynamics
  • European Criminal Justice and Data Protection
  • Physiological and biochemical adaptations
  • Selenium in Biological Systems
  • Microbial Community Ecology and Physiology
  • Receptor Mechanisms and Signaling
  • Cholinesterase and Neurodegenerative Diseases
  • Genetic diversity and population structure

Organisation internationale de police criminelle
2017

Parliament of Australia
2014

Environmental Protection Agency
1992

Environmental Technologies (United States)
1992

Diapause embryos were collected from ovigerous females of Artemia franciscana at the Great Salt Lake, Utah, and synchronized to within 4 h release. Respiration rate for these freshly released across a subsequent 26-d time course showed rapid decrease during first several days followed thereafter by much slower decline. The overall metabolic depression was estimated be greater than 99%. However, proton conductance mitochondria isolated diapause postdiapause identical. Because leak is...

10.1086/667808 article EN Physiological and Biochemical Zoology 2012-10-30

Abstract Gilbert Bay, the largest embayment of expansive Great Salt Lake (GSL) in United States, is a productive aquatic system providing suite ecosystem services, both locally and across hemispheric flyways global aquaculture networks. Bay currently at record low stand elevated salinity attributable to coupled effects drought human water use basin. However, recent management berm breach mid‐lake causeway provides unique adaptive tool mitigate harmful changes. The present study measured...

10.1111/lre.12421 article EN cc-by-nc-nd Lakes & Reservoirs Science Policy and Management for Sustainable Use 2023-01-01

This article reports on a field survey conducted in salt lakes southwest Siberia the period 2000–2003. A total of 46 were sampled; highest sampling effort was made Kurgan region. Data collected general topography, salinity, ion composition, and temperature regime. Primary production assessed by measuring water transparency determining phytoplankton species composition density. The focused local Artemia populations: cyst naupliar biometrics adult morphometrics, study population dynamics....

10.1080/10641260802590095 article EN Reviews in Fisheries Science 2009-01-27

Great Salt Lake, Utah, is a large, terminal, hypersaline lake consisting of northern more saline arm and southern that less saline. The supports seasonally abundant fauna low diversity brine shrimp (Artemia franciscana), 7 species flies, multiple algae. Although fish cannot survive in the main body lake, highly productive, fly populations support large numbers migratory waterfowl shorebirds, as well resident waterfowl, gulls. Selenium other trace elements, metals, nutrients are contaminants...

10.1002/ieam.179 article EN Integrated Environmental Assessment and Management 2011-01-31

Red-winged blackbird (Agelaius phoeniceus; blackbird) and European starling (Sturnus vulgaris; starling) nestlings were dosed with either 2.0 mg/kg body mass chlorpyrifos, 50.0 dimethoate, or a propylene glycol carrier in situ. Four growth measurements (body mass, culmen, tarsus, wing) recorded from to determine if these organophosphorus compounds caused perturbations development at sublethal concentrations. Blackbird more sensitive chlorpyrifos than dimethoate nestlings. This was contrast...

10.7589/0090-3558-28.3.400 article EN Journal of Wildlife Diseases 1992-07-01

Abstract Twelve wildlife toxicology laboratories participated in an interlaboratory survey of cholinesterase (ChE) assays to determine comparability absolute ChE values and estimates inhibition from organophosphorus insecticide-dosed birds examine the type consistency methods employed by for measurement Supernatants brain northern bobwhite quail (Colinus virginianus) were prepared untreated (UT) methyl parathion (MP)-treated (5 mg/kg). Assays also conducted on a commercial preparation...

10.1002/etc.5620131107 article EN Environmental Toxicology and Chemistry 1994-11-01

10.1016/0742-8413(92)90238-3 article EN Comparative Biochemistry and Physiology Part C Comparative Pharmacology 1992-09-01

Twelve wildlife toxicology laboratories participated in an interlaboratory survey of cholinesterase (ChE) assays to determine comparability absolute ChE values and estimates inhibition from organophosphorus insecticide-dosed birds examine the type consistency methods employed by for measurement Supernatants brain northern bobwhite quail (Colinus virginianus) were prepared untreated (UT) methyl parathion (MP)-treated (5 mg/kg). Assays also conducted on a commercial preparation...

10.1897/1552-8618(1994)13[1761:icocam]2.0.co;2 article EN Environmental Toxicology and Chemistry 1994-01-01
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