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Full-Text Articles in Life Sciences
Detedit: A Graphical User Interface For Annotating And Editing Events Detected In Long-Term Acoustic Monitoring Data, Alba Solsona-Berga, Kaitlin E. Frasier, Simone Baumann-Pickering, Sean M. Wiggins, John A. Hildebrand
Detedit: A Graphical User Interface For Annotating And Editing Events Detected In Long-Term Acoustic Monitoring Data, Alba Solsona-Berga, Kaitlin E. Frasier, Simone Baumann-Pickering, Sean M. Wiggins, John A. Hildebrand
C-IMAGE Publications
Passive acoustic monitoring has become an important data collection method, yielding massive datasets replete with biological, environmental and anthropogenic information. Automated signal detectors and classifiers are needed to identify events within these datasets, such as the presence of species-specific sounds or anthropogenic noise. These automated methods, however, are rarely a complete substitute for expert analyst review. The ability to visualize and annotate acoustic events efficiently can enhance scientific insights from large, previously intractable datasets. A MATLAB-based graphical user interface, called DetEdit, was developed to accelerate the editing and annotating of automated detections from extensive acoustic datasets. This tool is highly-configurable …
Hepatobiliary Analyses Suggest Chronic Pah Exposure In Hakes (Urophycis Spp.) Following The Deepwater Horizon Oil Spill, Rachel E. Struch, Erin Pulster, Andrea D. Schreier, Steven A. Murawski
Hepatobiliary Analyses Suggest Chronic Pah Exposure In Hakes (Urophycis Spp.) Following The Deepwater Horizon Oil Spill, Rachel E. Struch, Erin Pulster, Andrea D. Schreier, Steven A. Murawski
C-IMAGE Publications
Prior to the Deepwater Horizon oil spill, we lacked a comprehensive baseline of oil contamination in the Gulf of Mexico's sediments, water column, and biota. Gaps in prespill knowledge limit our ability to determine the aftereffects of the Deepwater Horizon blowout or prepare to mitigate similar impacts during future oil spill disasters. We examined spatiotemporal differences in exposure to and metabolism of polycyclic aromatic hydrocarbons (PAHs) in 2 hake species (Urophycis spp.) to establish a current baseline for these ecologically important, abundant, and at-risk demersal fishes. Gulf hake (Urophycis cirrata) and southern hake (Urophycis floridana) were collected throughout the Gulf …
Species-Specific Metabolism Of Naphthalene And Phenanthrene In 3 Species Of Marine Teleosts Exposed To Deepwater Horizon Crude Oil, Erin Pulster, Kevan Main, Dana Wetzel, Steven Murawski
Species-Specific Metabolism Of Naphthalene And Phenanthrene In 3 Species Of Marine Teleosts Exposed To Deepwater Horizon Crude Oil, Erin Pulster, Kevan Main, Dana Wetzel, Steven Murawski
C-IMAGE Publications
The 2 most abundant polycyclic aromatic hydrocarbons (PAHs) measured in Deepwater Horizon crude oil, naphthalene and phenanthrene, and their associated homologs have both been shown to be acutely toxic in fish. Although fish have a relatively high metabolic capacity for PAHs, hydroxylated PAH (OH-PAH) derivatives formed during the initial metabolic response can negatively impact the health of fish. Species-specific metabolism of naphthalene and phenanthrene was evaluated in 3 marine teleosts, red drum (Scianops ocellatus), Florida pompano (Trachinotus carolinus), and southern flounder (Paralichthys lethostigma). Fish were exposed to Deepwater Horizon crude oil by intraperitoneal injections at time 0 and 48 h, …
Linkage Mapping And Comparative Genomics Of Red Drum (Sciaenops Ocellatus) Using Next-Generation Sequencing, Christopher M. Hollenbeck, David S. Portnoy, Dana Wetzel, Tracy A. Sherwood, Paul B. Samollow, John R. Gold
Linkage Mapping And Comparative Genomics Of Red Drum (Sciaenops Ocellatus) Using Next-Generation Sequencing, Christopher M. Hollenbeck, David S. Portnoy, Dana Wetzel, Tracy A. Sherwood, Paul B. Samollow, John R. Gold
C-IMAGE Publications
Developments in next-generation sequencing allow genotyping of thousands of genetic markers across hundreds of individuals in a cost-effective manner. Because of this, it is now possible to rapidly produce dense genetic linkage maps for nonmodel species. Here, we report a dense genetic linkage map for red drum, a marine fish species of considerable economic importance in the southeastern United States and elsewhere. We used a prior microsatellite-based linkage map as a framework and incorporated 1794 haplotyped contigs derived from high-throughput, reduced representation DNA sequencing to produce a linkage map containing 1794 haplotyped restriction-site associated DNA (RAD) contigs, 437 anonymous microsatellites, …
Passive Acoustic Monitoring Of Beaked Whale Densities In The Gulf Of Mexico, John A. Hildebrand, Simone Baumann-Pickering, Kaitlin E. Frasier, Jennifer S. Trickey, Karlina P. Merkens, Sean M. Wiggins, Mark A. Mcdonald, Lance P. Garrison, Danielle Harris, Tiago A. Marques, Len Thomas
Passive Acoustic Monitoring Of Beaked Whale Densities In The Gulf Of Mexico, John A. Hildebrand, Simone Baumann-Pickering, Kaitlin E. Frasier, Jennifer S. Trickey, Karlina P. Merkens, Sean M. Wiggins, Mark A. Mcdonald, Lance P. Garrison, Danielle Harris, Tiago A. Marques, Len Thomas
C-IMAGE Publications
Beaked whales are deep diving elusive animals, difficult to census with conventional visual surveys. Methods are presented for the density estimation of beaked whales, using passive acoustic monitoring data collected at sites in the Gulf of Mexico (GOM) from the period during and following the Deepwater Horizon oil spill (2010-2013). Beaked whale species detected include: Gervais' (Mesoplodon europaeus), Cuvier's (Ziphius cavirostris), Blainville's (Mesoplodon densirostris) and an unknown species of Mesoplodon sp. (designated as Beaked Whale Gulf - BWG). For Gervais' and Cuvier's beaked whales, we estimated weekly animal density using two methods, one based on the number of echolocation clicks, …
Habitat-Specific Density And Diet Of Rapidly Expanding Invasive Red Lionfish, Pterois Volitans,, Populations In The Northern Gulf Of Mexico, Kristen A. Dahl, William F. Patterson Iii
Habitat-Specific Density And Diet Of Rapidly Expanding Invasive Red Lionfish, Pterois Volitans,, Populations In The Northern Gulf Of Mexico, Kristen A. Dahl, William F. Patterson Iii
C-IMAGE Publications
Invasive Indo-Pacific red lionfish, Pterois volitans, were first reported in the northern Gulf of Mexico (nGOM) in summer 2010. To examine potential impacts on native reef fish communities, lionfish density and size distributions were estimated from fall 2010 to fall 2013 with a remotely operated vehicle at natural (n = 16) and artificial (n = 22) reef sites. Lionfish (n = 934) also were sampled via spearfishing to examine effects of habitat type, season, and fish size on their diet and trophic ecology. There was an exponential increase in lionfish density at both natural and artificial reefs over the study …
Generalized Additive Models Used To Predict Species Abundance In The Gulf Of Mexico: An Ecosystem Modeling Tool, Michael Drexler, Cameron H. Ainsworth
Generalized Additive Models Used To Predict Species Abundance In The Gulf Of Mexico: An Ecosystem Modeling Tool, Michael Drexler, Cameron H. Ainsworth
C-IMAGE Publications
Spatially explicit ecosystem models of all types require an initial allocation of biomass, often in areas where fisheries independent abundance estimates do not exist. A generalized additive modelling (GAM) approach is used to describe the abundance of 40 species groups (i.e. functional groups) across the Gulf of Mexico (GoM) using a large fisheries independent data set (SEAMAP) and climate scale oceanographic conditions. Predictor variables included in the model are chlorophyll a, sediment type, dissolved oxygen, temperature, and depth. Despite the presence of a large number of zeros in the data, a single GAM using a negative binomial distribution was suitable …