Ashley E Lopez
Welcome to Ashley Lopez's profile.
Algal and Environmental Toxins Research Laboratory
Algal and Environmental Toxins Research Laboratory
Toxins and Harmful Algal Blooms Science Team
Toxins and Harmful Algal Blooms Science Team
FY26 Capabilities and Services
FY26 Capabilities and Services
Ashley Lopez is a chemist with the Algal and Environmental Toxins Unit at the Central Plains Water Science Center and is a member of the USGS Environmental Health Program Toxins and Harmful Algal Bloom Integrated Science Team. Her work involves several analytical techniques such as quantitative and qualitative analysis using high resolution mass spectrometry, high performance liquid chromatography (HPLC), screening assays such as Enzyme-Linked Immunosorbent Assay (ELISA), titration, and spectroscopy to support research understanding the occurrence and impacts of toxic Harmful Algal Blooms (HABs). She has been with USGS since 2021.
Education and Certifications
B.S. Biochemistry and Molecular Biology, 2019, Emporia State University, Emporia, KS
Science and Products
Phytoplankton Identification and Enumeration Data Collected from Seven Reservoirs in the United States (July to November 2019) Phytoplankton Identification and Enumeration Data Collected from Seven Reservoirs in the United States (July to November 2019)
This dataset contains algal identification and enumeration data for phytoplankton samples collected by the U.S. Geological Survey (USGS) between July 2019 and November 2019 at seven reservoirs across the United States. Reservoirs sampled included Lake Koshkonong, Wisconsin, Pelican Lake, Minnesota, Lake Ida, Minnesota, Pomme de Terre, Minnesota, Lake Emily, Minnesota, Milford Lake...
Cyanobacterial Picoplankton Data Collected from four Kansas Reservoirs during August 2020 through August 2022 Cyanobacterial Picoplankton Data Collected from four Kansas Reservoirs during August 2020 through August 2022
This dataset provides the estimated cell abundance and total biovolume for whole-water picoplankton samples collected by the U.S. Geological Survey (USGS) at 25 different sites in Kansas between August of 2020 and August of 2022. The samples were analyzed by BSA Environmental Services, Inc. This data is part of a larger multi-agency project between U.S. Environmental Protection Agency...
Interdisciplinary science approach for harmful algal blooms (HABs) and algal toxins—A strategic science vision for the U.S. Geological Survey Interdisciplinary science approach for harmful algal blooms (HABs) and algal toxins—A strategic science vision for the U.S. Geological Survey
Executive Summary Algal blooms in water, soils, dusts, and the environment have captured national attention because of concerns associated with exposure to algal toxins for humans and animals. Algal blooms naturally occur in all surface-water types and are important primary producers for aquatic ecosystems. However, excessive algae growth can be associated with many harmful effects...
Authors
Victoria G. Christensen, Christopher J. Crawford, Robert J. Dusek, Michael J. Focazio, Lisa Reynolds Fogarty, Jennifer L. Graham, Celeste A. Journey, Mari E. Lee, James H. Larson, Sarah M. Stackpoole, Viviana Mazzei, Emily Pindilli, Barnett A. Rattner, E. Terrence Slonecker, Kristen B. McSwain, Timothy J. Reilly, Ashley E. Lopez
By
Ecosystems Mission Area, Water Resources Mission Area, Environmental Health Program, Toxic Substances Hydrology, Central Plains Water Science Center, Earth Resources Observation and Science (EROS) Center , National Wildlife Health Center, New Jersey Water Science Center, New York Water Science Center, South Atlantic Water Science Center (SAWSC), Upper Midwest Water Science Center, Landsat Missions
Telemetry evaluation of carbon dioxide as a behavioral deterrent for invasive carps Telemetry evaluation of carbon dioxide as a behavioral deterrent for invasive carps
Carbon dioxide (CO2) mixed into water is being explored as a possible management strategy to deter the upstream movements of invasive carps through navigation locks and other migratory pinch-points. This study used two-dimensional acoustic telemetry to assess the effectiveness of dissolved CO2 as a chemosensory deterrent to two carp species in a large U-shaped pond. Free-swimming...
Authors
Aaron R. Cupp, Ashley K Lopez, Justin R. Smerud, John A. Tix, Jose Rivera, Nicholas M. Swyers, Marybeth K. Brey, Christa M. Woodley, David L. Smith, Mark P. Gaikowski
Science and Products
Phytoplankton Identification and Enumeration Data Collected from Seven Reservoirs in the United States (July to November 2019) Phytoplankton Identification and Enumeration Data Collected from Seven Reservoirs in the United States (July to November 2019)
This dataset contains algal identification and enumeration data for phytoplankton samples collected by the U.S. Geological Survey (USGS) between July 2019 and November 2019 at seven reservoirs across the United States. Reservoirs sampled included Lake Koshkonong, Wisconsin, Pelican Lake, Minnesota, Lake Ida, Minnesota, Pomme de Terre, Minnesota, Lake Emily, Minnesota, Milford Lake...
Cyanobacterial Picoplankton Data Collected from four Kansas Reservoirs during August 2020 through August 2022 Cyanobacterial Picoplankton Data Collected from four Kansas Reservoirs during August 2020 through August 2022
This dataset provides the estimated cell abundance and total biovolume for whole-water picoplankton samples collected by the U.S. Geological Survey (USGS) at 25 different sites in Kansas between August of 2020 and August of 2022. The samples were analyzed by BSA Environmental Services, Inc. This data is part of a larger multi-agency project between U.S. Environmental Protection Agency...
Interdisciplinary science approach for harmful algal blooms (HABs) and algal toxins—A strategic science vision for the U.S. Geological Survey Interdisciplinary science approach for harmful algal blooms (HABs) and algal toxins—A strategic science vision for the U.S. Geological Survey
Executive Summary Algal blooms in water, soils, dusts, and the environment have captured national attention because of concerns associated with exposure to algal toxins for humans and animals. Algal blooms naturally occur in all surface-water types and are important primary producers for aquatic ecosystems. However, excessive algae growth can be associated with many harmful effects...
Authors
Victoria G. Christensen, Christopher J. Crawford, Robert J. Dusek, Michael J. Focazio, Lisa Reynolds Fogarty, Jennifer L. Graham, Celeste A. Journey, Mari E. Lee, James H. Larson, Sarah M. Stackpoole, Viviana Mazzei, Emily Pindilli, Barnett A. Rattner, E. Terrence Slonecker, Kristen B. McSwain, Timothy J. Reilly, Ashley E. Lopez
By
Ecosystems Mission Area, Water Resources Mission Area, Environmental Health Program, Toxic Substances Hydrology, Central Plains Water Science Center, Earth Resources Observation and Science (EROS) Center , National Wildlife Health Center, New Jersey Water Science Center, New York Water Science Center, South Atlantic Water Science Center (SAWSC), Upper Midwest Water Science Center, Landsat Missions
Telemetry evaluation of carbon dioxide as a behavioral deterrent for invasive carps Telemetry evaluation of carbon dioxide as a behavioral deterrent for invasive carps
Carbon dioxide (CO2) mixed into water is being explored as a possible management strategy to deter the upstream movements of invasive carps through navigation locks and other migratory pinch-points. This study used two-dimensional acoustic telemetry to assess the effectiveness of dissolved CO2 as a chemosensory deterrent to two carp species in a large U-shaped pond. Free-swimming...
Authors
Aaron R. Cupp, Ashley K Lopez, Justin R. Smerud, John A. Tix, Jose Rivera, Nicholas M. Swyers, Marybeth K. Brey, Christa M. Woodley, David L. Smith, Mark P. Gaikowski