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Articles 1 - 30 of 1028
Full-Text Articles in Biology
Novel Microbiological Medium Developed For The Isolation Of Bacteria Associated With Estuarine Anemones, Parker K. Lund, Catalina Cuellar-Gempeler
Novel Microbiological Medium Developed For The Isolation Of Bacteria Associated With Estuarine Anemones, Parker K. Lund, Catalina Cuellar-Gempeler
IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt
Out of the nearly one trillion species of microbiota estimated to inhabit Earth only ten thousand have been cultured in the laboratory. Culturing continues to play a vital role in determining the physiology and ecologic function of individual bacteria in microbial communities and for microbes associated with host organisms one of the major challenges is developing microbiological media that mimics the bacteria’s natural environment enough to promote growth. Here, we target bacteria associated with the estuary anemones Diadumene lineata and Metridium senile by developing a novel medium that uses anemone tissue as the sole source of nutrients. We further measured …
Comstock Point, Lubec, Maine - A Natural And Photographic History, Willaim H. Schlesinger, Lisa M. Dellwo
Comstock Point, Lubec, Maine - A Natural And Photographic History, Willaim H. Schlesinger, Lisa M. Dellwo
Documents from Environmental Organizations
A natural and photographic history of our lands compiled by Lisa Dellwo and Bill Schlesinger, with the help of many friends and neighbors.
Investigating Optimal Laboratory Growth Conditions Of Gracilibacillus Halotolerans In Media Supplemented With Salt, Isaac Young
Investigating Optimal Laboratory Growth Conditions Of Gracilibacillus Halotolerans In Media Supplemented With Salt, Isaac Young
Annual Research Symposium
As interest continues to grow in the field of persister cells and their morphology, there arises an ever-evolving desire to further understand specific strains of bacteria that exemplify the qualities of seemingly anomalous survival regardless of anti-bacterial treatment. In the case of the Gracilibacillus halotolerans, a halotolerant extremophile extracted from the Great Salt Lake with known persistent characteristics, uncovering its optimal growth conditions was essential for future investigations. Identifying the optimal salinity for the growth of G. halotolerans will allow us to standardize our growth methods, uncover several mechanisms of saline tolerance, and add to future investigations of persistence with …
Targeting Ocean Conservation Outcomes Through Threat Reduction, Joseph A. Turner, Malcolm Starkey, Nicholas K. Dulvy, Frank Hawkins, Louise Mair, Adeline Serckx, Thomas Brooks, Beth Polidoro, Stuart H. M. Butchart, Kent Carpenter, Minna Epps, Rima W. Jabado, Nicholas B. W. Macfarlane, Leon Bennun
Targeting Ocean Conservation Outcomes Through Threat Reduction, Joseph A. Turner, Malcolm Starkey, Nicholas K. Dulvy, Frank Hawkins, Louise Mair, Adeline Serckx, Thomas Brooks, Beth Polidoro, Stuart H. M. Butchart, Kent Carpenter, Minna Epps, Rima W. Jabado, Nicholas B. W. Macfarlane, Leon Bennun
Biological Sciences Faculty Publications
Nations have committed to reductions in the global rate of species extinctions through the Sustainable Development Goals 14 and 15, for ocean and terrestrial species, respectively. Biodiversity loss is worsening despite rapid growth in the number and extent of protected areas, both at sea and on land. Resolving this requires targeting the locations and actions that will deliver positive conservation outcomes for biodiversity. The Species Threat Abatement and Restoration (STAR) metric, developed by a consortium of experts, quantifies the contributions that abating threats and restoring habitats in specific places offer towards reducing extinction risk based on the IUCN Red List …
Oliver Agee Catfish Neurocranium, Charlotte R. Oliver, Kristina Agee, David Kerstetter
Oliver Agee Catfish Neurocranium, Charlotte R. Oliver, Kristina Agee, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 10.7 cm total length, [Catfish], collected by [Kerstetter].
Catfish Neurocranium 3-D Scan, Pamela Gonzalez, Jarod Johnson, David Kerstetter
Catfish Neurocranium 3-D Scan, Pamela Gonzalez, Jarod Johnson, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Common Snook (Centropomus Undecimalis) Neurocranium, Ryan Robison, Lesley Wallace, David Kerstetter
Common Snook (Centropomus Undecimalis) Neurocranium, Ryan Robison, Lesley Wallace, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium length of 16.5 cm Common Snook (Centropomus undecimalis), collected from Dr. Kerstetter's Lab on 10/23 by Ryan Robison and Lesley Wallace.
Yellow Grouper (Epinephelus Awoara), Tyler Jurain, David Kerstetter
Yellow Grouper (Epinephelus Awoara), Tyler Jurain, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Evaluating Habitat Use By Nekton In Widgeon Grass (Ruppia Maritima), Shoal Grass (Halodule Wrightii), And Unvegetated Bottom Habitats In The Grand Bay National Estuarine Research Reserve, Jessica Woodall
Master's Theses
Seagrass beds support high biodiversity and animal abundance, serve as feeding grounds for a variety of animals, offer shelter from predation, and act as a nursery habitat for juveniles. The species composition of seagrass beds can impact their use as habitat by animals. Two common species of seagrass in the Gulf of Mexico are Ruppia maritima (widgeon grass) and Halodule wrightii (shoal grass). The shallow coastal waters of the Grand Bay National Estuarine Research Reserve (NERR) support both species, but the use of each seagrass as habitat by nekton is poorly understood, which can limit management decision-making. Nekton communities were …
Jack Crevalle Neurocranium, Rodolfo A. Heredia, David Kerstetter
Jack Crevalle Neurocranium, Rodolfo A. Heredia, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Brown Bullhead Catfish (Ameiurus Nebulosus) Neurocranium, Reginald Leon Kempson Iii, David Kerstetter
Brown Bullhead Catfish (Ameiurus Nebulosus) Neurocranium, Reginald Leon Kempson Iii, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from [6.3] cm total length (30 cm) [Brown Bullhead Catfish (Ameiurus nebulosus)], collected from [Dr.Kerstetters lab] on [6/December/2023] by [Reginald Kempson III]
Gag Grouper (Mycteroperca Microlepis) Neurocranium, Sierra Potts, David Kerstetter
Gag Grouper (Mycteroperca Microlepis) Neurocranium, Sierra Potts, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
10 cm neurocranium from Gag Grouper, Mycteroperca microlepis, collected from Snapper Mike's on 05/11/2023 by Sierra Potts
Psammocora Stellata Distribution At Devil's Crown, Floreana Island, Galápagos Islands, Ecuador, María José Guarderas Sevilla
Psammocora Stellata Distribution At Devil's Crown, Floreana Island, Galápagos Islands, Ecuador, María José Guarderas Sevilla
All HCAS Student Capstones, Theses, and Dissertations
In the Galápagos Archipelago, the free-living nodular coral Psammocora stellata is a common species that does not form reef structures. However, it is a key component of the ecosystem by increasing habitat complexity and, consequently, species diversity. This species experienced a drastic decline in Devil’s Crown channel, Floreana Island, where it disappeared after the 1982-83 El Niño-Southern Oscillation, presumably by displacement of unattached colonies by strong surface waves and currents. This assemblage has now recovered to pre-impact levels. A combination of underwater photoquadrats from 2007 and 2009 and recent (2023) orthomosaics were used to determine changes in coral densities and …
Parrotfish Skull, Grace Mikus, David Kerstetter
Parrotfish Skull, Grace Mikus, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Serranidae Spp. Neurocranium, Justin Abonce, David Kerstetter
Serranidae Spp. Neurocranium, Justin Abonce, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Rainbow Parrotfish Neurocranium, Theophilus J. Hebert, David Kerstetter
Rainbow Parrotfish Neurocranium, Theophilus J. Hebert, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
Deep Ocean Vehicle Applications And Modifications, Nichole "Nikki" T. Arm
Deep Ocean Vehicle Applications And Modifications, Nichole "Nikki" T. Arm
Master's Theses
This project had two primary goals: (1) to explore opportunities to further a deep-ocean vehicle’s reach using alternative pressure spheres, and (2) to implement an existing deep-ocean vehicle (lander) in active scientific research.
I gained a greater understanding of the limitations and design choices made for existing pressure spheres using Finite Element Analysis (FEA). My simplified FEA model predicted sphere failure for the existing 30% Fiber Glass 70% Nylon injection molded spheres at an external pressure of 3,954psi or 2,690m ocean-depth (only a 7.38% error compared to the tested minimum failure depth), so I determined it a valid model. I …
Yellowtail Snapper Ocyurus Chrysurus, Kevin Rafferty, Manuel Ploner, David W. Kerstetter
Yellowtail Snapper Ocyurus Chrysurus, Kevin Rafferty, Manuel Ploner, David W. Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
YELLOWTAIL SNAPPER OCYURUS CHRYSURUS 7.5CM Total length
Lionfish (Pterois Volitans) Neurocranium, Kate Heffner, Hosanna Gattle, David Kerstetter
Lionfish (Pterois Volitans) Neurocranium, Kate Heffner, Hosanna Gattle, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 30 cm total length (TL) Lionfish (Pterois volitans), collected from Second Reef on 15/10/2023 by Kate Heffner.
Quantifying The Role Of Water Quality On Nitrogen Cycling In A Trophic Estuary, Kayla Gonzalez-Boy
Quantifying The Role Of Water Quality On Nitrogen Cycling In A Trophic Estuary, Kayla Gonzalez-Boy
Symposium of Student Scholars
Jobos Bay Estuary is an intertidal, tropical estuary located in southern Puerto Rico. The estuary covers about 12 km2 and has a variety of habitats, such as seagrass beds, mangroves, mud flats, and coral reefs, which play important roles in sediment trapping and water quality maintenance. Seagrasses also serve as nursery and feeding grounds and provide shelter for macrofauna. Currently, the role of seagrasses and water quality on nitrogen (N) cycling in trophic estuaries is not well constrained. Understanding variations in sediment-based effects on N cycling rates and transformations, and how they are associated with water quality, is an …
Yellow Edge Grouper (Hyporthodus Flavolimbatus) Neurocranium, Lili Mcelhill, Alison Novara, David Kerstetter
Yellow Edge Grouper (Hyporthodus Flavolimbatus) Neurocranium, Lili Mcelhill, Alison Novara, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium (11 cm) of Yellow Edge Grouper (Hyporthodus flavolimbatus), collected from South Florida local fish market on 02/11/2023 by Alison Novara and Lili McElhill.
Jackfish (Caranx Lugubris) Neurocranium, Lauren Groves, David Kerstetter
Jackfish (Caranx Lugubris) Neurocranium, Lauren Groves, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 9 cm total length (TL) Jackfish, Caranx lugubris, collected from Ideal Market on September 18th, by Lauren Groves
Northern Red Snapper (Lutjanus Campechnus) Neurocranium, Ajani K. Saldana, David Kerstetter
Northern Red Snapper (Lutjanus Campechnus) Neurocranium, Ajani K. Saldana, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 7.5 cm total length (TL) 37 cm Lutjanus campechanus (Northern Red Snapper), collected from Mango Tree Supermarket in September 2023 by Ajani Saldana
Brha, Kevin Rafferty, Briana K. Zaffiro, David W. Kerstetter
Brha, Kevin Rafferty, Briana K. Zaffiro, David W. Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Skull from Broad-winged Hawk (Buteo platypterus).
Blsk 3d Scan, Kevin Rafferty, Briana K. Zaffiro, David Kerstetter
Blsk 3d Scan, Kevin Rafferty, Briana K. Zaffiro, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Skull from Black Skimmer (Rhnchops niger)
Ictalurus Punctatus (Channel Catfish) Neurocranium, Kayla D. Jones, Maura P. Wondra, David Kerstetter
Ictalurus Punctatus (Channel Catfish) Neurocranium, Kayla D. Jones, Maura P. Wondra, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 9.70 cm total length (TL) Ictalurus punctatus (Channel Catfish), collected from Davie, Florida in June 2023 by Katrina Sawickij.
[Caranx Hippos (Jack Crevalle)] Neurocranium, Liat N. Castillo, Dylan J. Seiffert, David W. Kerstetter
[Caranx Hippos (Jack Crevalle)] Neurocranium, Liat N. Castillo, Dylan J. Seiffert, David W. Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from [80cm TL] Caranx hippos (Jack Crevalle), collected from Merrit Island, Florida [9/18/2023] by Dylan Seiffert.
Channel Catfish (Ictalurus Punctatus), Neurocranium, Corinne Renshaw, Brianna Buckley, David Kerstetter
Channel Catfish (Ictalurus Punctatus), Neurocranium, Corinne Renshaw, Brianna Buckley, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 4.9 cm total length 20.6 cm Ictalurus punctatus (Channel Catfish), collected from Dr. Kerstetter's dissection specimens.
Blue Runner (Caranx Crysos) Neurocranium, Delaney Deinlein, Gabriel Droz, David Kerstetter
Blue Runner (Caranx Crysos) Neurocranium, Delaney Deinlein, Gabriel Droz, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from approximately 30 cm total length (TL) Blue Runner (Caranx crysos), collected from Dania Pier in 2023 by Charles Klinger.
Catfish Neurocranium, Fiona Smith, Juliana Ottens, David Kerstetter
Catfish Neurocranium, Fiona Smith, Juliana Ottens, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.