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Articles 31 - 55 of 55
Full-Text Articles in Marine Biology
Oyster Reef Restoration: Impacts On Infaunal Communities In A Shallow Water Estuary, Katherine P. Harris
Oyster Reef Restoration: Impacts On Infaunal Communities In A Shallow Water Estuary, Katherine P. Harris
Honors Undergraduate Theses
Oyster reefs are important estuarine ecosystems that provide habitat to many species including threatened and endangered wading birds and commercially important fishes and crabs. Infaunal organisms (i.e. small, aquatic animals that burrow in the sediment) are also supported by oyster reef habitats. Infaunal organisms are critical to marine food webs and are consumed by many important species that inhabit coastal estuaries. However, over the past century 85% of shellfish reef habitats have been lost, making restoration of these areas vital. Due to their important role in coastal food webs, infauna is hypothesized to be a strong indicator of habitat productivity …
Effects Of A Beach Nourishment Project In Jamaica Bay, New York, On Horseshoe Crab (Limulus Polyphemus) Spawning Activity And Egg Deposition, Christina P. Colon
Effects Of A Beach Nourishment Project In Jamaica Bay, New York, On Horseshoe Crab (Limulus Polyphemus) Spawning Activity And Egg Deposition, Christina P. Colon
Publications and Research
Restoration of horseshoe crab spawning habitats through beach nourishment may be considered as a potential strategy to enhance reproductive success in areas where estuarine beaches have been lost to coastal erosion and development. The US Army Corps of Engineers performed a beach nourishment project at Plumb Beach (Jamaica Bay, Brooklyn, NY) in 2012 to stabilize the shoreline. While the addition of sand was done to protect infrastructure, it created an opportunity to examine the responses of American horseshoe crabs (Limulus polyphemus) to beach nourishment using a BACI (before-after control impact) design. During Spring 2012, be fore beach nourishment, horseshoe crabs …
Can Ecosystem Functional Recovery Be Traced To Decomposition And Nitrogen Dynamics In Estuaries Of The Lower Laguna Madre, Texas?, Mario A. Marquez, Alejandro Fierro-Cabo, Carlos E. Cintra-Buenrostro
Can Ecosystem Functional Recovery Be Traced To Decomposition And Nitrogen Dynamics In Estuaries Of The Lower Laguna Madre, Texas?, Mario A. Marquez, Alejandro Fierro-Cabo, Carlos E. Cintra-Buenrostro
School of Earth, Environmental, & Marine Sciences Faculty Publications
The biggest incentive to attempt the restoration and protection of estuaries is their widely acknowledged ecological and economic importance. Assessing estuary health and recovery can most accurately come from examining ecosystem processes. The purpose of this study was to explore the potential of mass loss and nitrogen (N) dynamics during leaf litter decomposition, to detect signs of functional recovery in two estuarine systems in south Texas. Submerged litterbags with black mangrove (Avicennia germinans) leaves were retrieved at various dates over 320 days. Decomposition was about 50% slower in one of the recovering systems compared to a reference site. …
Exploring The Potential For Artificial Reefs In Coral Reef Restoration: Responses And Interactions Of Associated Biota To Varying Experimental Treatments In The Mexican Caribbean, Audie Kirk Kilfoyle
Exploring The Potential For Artificial Reefs In Coral Reef Restoration: Responses And Interactions Of Associated Biota To Varying Experimental Treatments In The Mexican Caribbean, Audie Kirk Kilfoyle
HCNSO Student Theses and Dissertations
Coral reefs are being negatively impacted by various causes worldwide, and direct intervention is often warranted following disturbance to restore or replace lost ecosystem structure and function. An experimental coral reef restoration study involving standardized artificial reef modules (ReefballsTM) was conducted in Mexico’s Yucatan Peninsula in the towns of Puerto Morelos and Akumal. The purpose was to explore the use of artificial structure for restoration and mitigation applications in a highly diverse and dynamic Caribbean coral reef environment by applying and evaluating the performance of select experimental treatments hypothesized to accelerate development of the associated biota. The first …
Artificial Reefs As Juvenile Fish Habitats In Marinas, Allison Patranella
Artificial Reefs As Juvenile Fish Habitats In Marinas, Allison Patranella
HCNSO Student Theses and Dissertations
Coastal infrastructure has replaced many vital fish nursery habitats with structures designed without fully mitigating for the loss of the natural ecosystems. This thesis details research focused on the use of small, inexpensive, artificial reef modules as replacement juvenile fish habitat within marinas. My research hypothesis was that the placement of small, structurally complex artificial reef modules would increase fish abundance and species richness relative to unmodified marina seawalls. Non-destructive visual surveys of fishes were completed monthly for 14 months for 12 artificial reef sites and 12 control (unmodified) sites within the Nova Southeastern University Guy Harvey Oceanographic Center (NSU-GHOC) …
Coral Genotype Influence On Growth And Stress Resistance In Acropora Cervicornis: Investigating Potential Energy Tradeoffs, Peter T. Grasso
Coral Genotype Influence On Growth And Stress Resistance In Acropora Cervicornis: Investigating Potential Energy Tradeoffs, Peter T. Grasso
HCNSO Student Theses and Dissertations
Over the last few decades coral reefs have faced unprecedented declines in health due to natural and anthropogenic sources. Until recently few studies have examined genotypic variation of growth and thermal stress resistance in Acropora cervicornis. This study aims to assess the potential for energy trade-offs between growth and thermal stress resistance by following 120 coral fragments from 12 genotypes of Acropora cervicornis over the course of 15 months to determine average growth rates for each genotype. Following the completion of the growth observation a bleaching event occurred in the lower Florida Keys providing the opportunity for examining thermal …
Quantifying The Success Of Eastern Oyster Pilot Reefs In Brevard County, Florida, Lacie Anderson
Quantifying The Success Of Eastern Oyster Pilot Reefs In Brevard County, Florida, Lacie Anderson
Honors Undergraduate Theses
Crassostrea virginica, the eastern oyster, is a native keystone species that inhabits many coastal and estuarine ecosystems along the Atlantic seaboard. Introduction of the eastern oyster into estuarine areas with limited current populations is gaining popularity as a pro-active approach to improve estuarine water quality. In November 2014 and April 2015, a total of five pilot oyster reef treatments were deployed in Brevard County: bagged adult oysters (grown by community members under their docks through oyster gardening) collected in fall 2014 and spring 2015, bagged clean shell, oyster restoration mats, and empty plots (control). Locations of deployment included a …
Natural Cultch Type Influences Habitat Preference And Predation, But Not Survival, In Reef-Associated Species, Erica A. Levine, Stephen Gosnell J., Emily M. Goetz, Christopher R. Malinowski
Natural Cultch Type Influences Habitat Preference And Predation, But Not Survival, In Reef-Associated Species, Erica A. Levine, Stephen Gosnell J., Emily M. Goetz, Christopher R. Malinowski
Publications and Research
A shared origin with fresh and dredged cultch and availability via mining have made fossil cultch a commonly used reef restoration substrate. However, important differences in shape and size between whole-shell cultch and fossil cultch may impact the complexity of reefs constructed from these materials. To determine if these differences may impact the development of restored reefs, we quantified the interstitial space each cultch type provides and constructed reef mesocosms to measure (1) the immediate effects of exposure to each cultch type on mortality of blue crab (Callinectes sapidus) and pink shrimp (Farfantepenaeus duorarum); (2) the …
Staghorn Coral, Acropora Cervicornis, Restoration In South Florida: Growth And Survivorship Of Outplanted Nursery Corals, Meaghan Johnson
Staghorn Coral, Acropora Cervicornis, Restoration In South Florida: Growth And Survivorship Of Outplanted Nursery Corals, Meaghan Johnson
HCNSO Student Theses and Dissertations
This thesis provides a detailed analysis of the growth and survivorship of outplanted Acropora cervicornis corals from underwater nurseries within three regions of the Florida Reef Tract. Substantial loss of stony coral cover on Florida’s coral reefs, including the branching staghorn coral, Acropora cervicornis, has occurred for decades due to disturbances such as disease, temperature induced bleaching, hurricanes, sedimentation, and pollution. This rapid population decline contributed to A. cervicornis being listed as a threatened species under the U.S. Endangered Species Act in May 2006. To aid in the recovery of the species, coral fragments were grown in underwater nurseries …
Management Recommendations For Restoration Of The Degraded Olympia Oyster, Ostrea Lurida Carpenter 1864 In Tomales Bay, Ca, Carolyn M. Gibson
Management Recommendations For Restoration Of The Degraded Olympia Oyster, Ostrea Lurida Carpenter 1864 In Tomales Bay, Ca, Carolyn M. Gibson
Master's Projects and Capstones
This research addresses the effective restoration of Olympia oyster populations in Tomales Bay, Marin County, California. Chapter 2 provides background information on the Tomales Bay estuary, regional history, and ecology of the Olympia oyster. Following this background discussion, each of the three aforementioned degraders of Olympia oyster populations in Tomales Bay is presented: ocean acidification (Chapter 3), sedimentation (Chapter 4), and invasive species (Chapter 5). Each of these issues creates numerous barriers that require the attention of resource protection managers. Chapter 6 presents overall Research Conclusions and Chapter 7 identifies management recommendations to effectively begin the restoration of the Olympia …
Migration Strategies Vary In Space, Time, And Among Species In The Smallfish Metacommunity Of The Everglades, J. Matthew Hoch, Eric R. Sokol, Aaron D. Parker, Joel C. Trexler
Migration Strategies Vary In Space, Time, And Among Species In The Smallfish Metacommunity Of The Everglades, J. Matthew Hoch, Eric R. Sokol, Aaron D. Parker, Joel C. Trexler
Marine & Environmental Sciences Faculty Articles
Spatial ecology and movement strategies of aquatic organisms may limit their response to human-caused drying of wetland habitats. We characterized the movement strategies of the most abundant species of fish in the wetlands of the Everglades (USA) to better understand how they cope with annual fluctuations in aquatic habitat size. Over a six-year period, we used a sampling method designed to measure the density, activity levels, and movement direction of small fishes. We estimated changes in displacement speed and directional bias to identify patterns of movement that different fishes use to disperse over the gradient of disturbance in this environment. …
Long-Term Impacts Of Disturbance On Nitrogen-Cycling Bacteria In A New England Salt Marsh, Anne E. Bernhard, Courtney Dwyer, Adrian Idrizi, Geoffrey Bender, Rachel Zwick
Long-Term Impacts Of Disturbance On Nitrogen-Cycling Bacteria In A New England Salt Marsh, Anne E. Bernhard, Courtney Dwyer, Adrian Idrizi, Geoffrey Bender, Rachel Zwick
Biology Faculty Publications
Recent studies on the impacts of disturbance on microbial communities indicate communities show differential responses to disturbance, yet our understanding of how different microbial communities may respond to and recover from disturbance is still rudimentary. We investigated impacts of tidal restriction followed by tidal restoration on abundance and diversity of denitrifying bacteria, ammonia-oxidizing bacteria (AOB), and ammonia-oxidizing archaea (AOA) in New England salt marshes by analyzing nirS and bacterial and archaeal amoA genes, respectively. TRFLP analysis of nirS and betaproteobacterial amoA genes revealed significant differences between restored and undisturbed marshes, with the greatest differences detected in …
Development And Application Of A Gis-Based Long Island Sound Eelgrass Habitat Suitability Index Model, Jamie M.P. Vaudrey, Justin Eddings, Christopher Pickerell, Lorne Brousseau, Charles Yarish
Development And Application Of A Gis-Based Long Island Sound Eelgrass Habitat Suitability Index Model, Jamie M.P. Vaudrey, Justin Eddings, Christopher Pickerell, Lorne Brousseau, Charles Yarish
Department of Marine Sciences
The primary objectives of the Eelgrass Habitat Suitability Index Model (EHSI Model) are to assist in the evaluation of sites being considered for eelgrass restoration efforts in the Long Island Sound (LIS) area and to identify areas where water quality issues reduce or eliminate the potential for natural eelgrass colonization. To achieve this goal, geospatial processing of data available from the Long Island Sound area was conducted using ArcGIS v10.0 including the 3D Analyst and Spatial Analyst extensions. The result is a series of maps presented in this report and a GIS-based model available for users to interact with the …
Phase Ii Of Tidal Marsh Restoration At Steedman Woods Reserve At York, Maine, David M. Burdick, Chris Peter, Gregg Moore
Phase Ii Of Tidal Marsh Restoration At Steedman Woods Reserve At York, Maine, David M. Burdick, Chris Peter, Gregg Moore
Jackson Estuarine Laboratory
No abstract provided.
Evaluating Acropora Cervicornis Growth And Survivorship In A Line Nursery, Zachary Ostroff
Evaluating Acropora Cervicornis Growth And Survivorship In A Line Nursery, Zachary Ostroff
HCNSO Student Theses and Dissertations
Acropora cervicornis and A. palmata were once dominant, reef-building corals of Caribbean reefs. Over the last several decades, population declines of Caribbean Acropora have been dramatic, and both species are now listed as “Threatened” under the United States Endangered Species Act. Numerous restoration efforts now utilize coral gardening techniques to cultivate these species for transplantation, in which A. cervicornis is primarily cultivated both on fixed structures and in line nurseries. This study evaluates growth and survivorship of multiple A. cervicornis genotypes grown via two line nursery techniques, and compares the efficacy of each against the conventional method of fixed nursery …
Eelgrass Habitat Creation In Nantucket Harbor, Massachusetts, David M. Burdick, Gregg Moore, Chris Peter
Eelgrass Habitat Creation In Nantucket Harbor, Massachusetts, David M. Burdick, Gregg Moore, Chris Peter
Natural Resources & the Environment
In response to eelgrass habitat losses associated with development and marine activities in and around Nantucket Harbor, a plan to restore a meadow by transplanting eelgrass to previously vegetated areas was developed in conjunction with the Nantucket Land Council. Over 6,000 eelgrass shoots were sustainably harvested from an extensive bed within the Harbor that was located just west of First Point and near the inlet to Nantucket Sound. Four weeks following collection, impacts from our collection were shown by a 24% decline in shoot density, but live eelgrass cover did not decline significantly. After 12 weeks, no effects of collecting …
An Evaluation Of Mississippi Barrier Islands As A Spawning And Nesting Habitat For The American Horseshoe Crab, Limulus Polyphemus, With Implications For Island Restoration, Richard Fulford, Rebecca A. Haehn
An Evaluation Of Mississippi Barrier Islands As A Spawning And Nesting Habitat For The American Horseshoe Crab, Limulus Polyphemus, With Implications For Island Restoration, Richard Fulford, Rebecca A. Haehn
Gulf and Caribbean Research
The American horseshoe crab (HSC), Limulus polyphemus, is an economically and ecologically important species in the coastal ecosystem. Horseshoe crabs inhabit the continental shelf and estuaries from Maine to the central Gulf Coast and the Yucatán Peninsula. Although the presence of horseshoe crabs in southern Mississippi is known locally, there are limited data specific to the area and population, particularly regarding spawning and nesting habitat. Surveys of HSC presence, habitat use, and behavior on Mississippi barrier islands were conducted between March and November 2007 to 2009. These data, combined with habitat surveys of the barrier islands, were used to …
Mycorrhizal Colonization Of Native Salt Marsh Plants On Mississippi's Gulf Coast And The Effects Of Commercial Mycorrhizal Inoculants On Nursery-Grown Plants, Kathryn Rondot Mcbride
Mycorrhizal Colonization Of Native Salt Marsh Plants On Mississippi's Gulf Coast And The Effects Of Commercial Mycorrhizal Inoculants On Nursery-Grown Plants, Kathryn Rondot Mcbride
Master's Theses
Salt marshes are important economically and ecologically to the Gulf Coast and other coasts worldwide. Due to human activities, many coastal salt marshes have been degraded or destroyed. Restoration efforts, through the replacement or addition of naturally occurring salt marsh plants, are taking place worldwide. Most restoration plants are raised in nurseries and are not ready for transfer to restoration sites for eight or nine months. Once the plants are at the restoration site many die due to transplant stress. Arbuscular Mycorrhizal Fungi (AMF) may be able to shorten the time the restoration plants need to stay in the nursery …
Ecological Design Of Marine Construction For Socio-Economic Benefits: Ecosystem Integration Of A Pipeline In Coral Reef Area, Sylvain Pioch, Philippe Saussola, Kirk Kilfoyle, Richard E. Spieler
Ecological Design Of Marine Construction For Socio-Economic Benefits: Ecosystem Integration Of A Pipeline In Coral Reef Area, Sylvain Pioch, Philippe Saussola, Kirk Kilfoyle, Richard E. Spieler
Marine & Environmental Sciences Faculty Articles
It is critical to understand that an ecosystem integration of construction requires a close Engineering/Biology partnership to meet socio-economic benefits in management goals. Biologists are not typically trained or licensed for the requisite engineering involved in construction. Likewise, non-biologists designing habitat often can lead to egregious results. For example, unintentionally constructing the wrong habitat, i.e., refuge for predators in a nursery area, or habitat that facilitates the spread of non-desirable species can increase, rather than ameliorate, the impact of construction. In recent years, Pioch and co-workers (unpublished) developed an alternative to the “classic” engineering approach to marine construction. This new …
Recovery Of Injured Giant Barrel Sponges, Xestospongia Muta, Offshore Southeast Florida, David S. Gilliam, Brian K. Walker, S. J. Saelens, Daniel P. Fahy, Vladimir N. Kosmynin
Recovery Of Injured Giant Barrel Sponges, Xestospongia Muta, Offshore Southeast Florida, David S. Gilliam, Brian K. Walker, S. J. Saelens, Daniel P. Fahy, Vladimir N. Kosmynin
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Giant barrel sponges, Xestospongia muta, are abundant and important components of the southeast Florida reef system, and are frequently injured from anthropogenic and natural disturbances. There is limited information on the capacity of X. muta to recover from injury and on methods to reattach X. muta fragments. In late 2002, hundreds of barrel sponges offshore southeast Florida (Broward County) were accidentally injured during an authorized dredging operation. In early 2003, two to three months post-injury, 93% of 656 assessed injured sponges appeared to be recovering. In 2006, three years post-injury, nearly 90% of 114 monitored sponges continued to show …
Evaluation Of Methods To Enhance Reef Restoration, David S. Gilliam, Alison L. Moulding, Vladimir N. Kosmynin, Vanessa I. P. Brinkhuis, Richard E. Dodge
Evaluation Of Methods To Enhance Reef Restoration, David S. Gilliam, Alison L. Moulding, Vladimir N. Kosmynin, Vanessa I. P. Brinkhuis, Richard E. Dodge
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
The coral reefs of southeast Florida are offshore a highly urbanized area with a population exceeding 5 million people and three major shipping ports with over 6000 ships calling on an annual basis. Reef injury events are common and have been caused by ship groundings and marine construction activities such as channel dredging and cable placement. Restoration activities generally only include the reattachment of dislodged stony corals, removal of rubble, and boulder stabilization. The Florida Department of Environmental Protection has recognized these limited activities and is collaborating with Nova Southeastern University’s Oceanographic Center to study ways to accelerate coral reef …
Rapid Response And Restoration For Coral Reef Injuries In Southeast Florida: Guidelines And Recommendations, Chantal Collier, Richard E. Dodge, David S. Gilliam, Kelly Gracie, Lisa Gregg, Walter Jaap, Mike Mastry, Nikki Poulos
Rapid Response And Restoration For Coral Reef Injuries In Southeast Florida: Guidelines And Recommendations, Chantal Collier, Richard E. Dodge, David S. Gilliam, Kelly Gracie, Lisa Gregg, Walter Jaap, Mike Mastry, Nikki Poulos
Marine & Environmental Sciences Faculty Reports
From the time an injury to coral reef resources is reported, a well-coordinated and implemented plan is critical to the success of response and restoration efforts. There are three major plan components, each of which is equally important: (1) the Initial Response period immediately following notification of the incident; (2) the Response period, during which the Responsible Party (RP) is identified, the Trustees and RP carry out their respective responsibilities, a Primary Restoration plan is developed, authorizations and contractors to conduct restoration activities are sought and obtained, and primary restoration activities are conducted; and (3) the Post-Response period, which is …
Growth And Survivorship Of Scleractinian Coral Transplants And The Effectiveness Of Plugging Core Holes In Transplant Donor Colonies, Elizabeth Glynn Fahy, Richard E. Dodge, Daniel P. Fahy, T. Patrick Quinn, David S. Gilliam, Richard E. Spieler
Growth And Survivorship Of Scleractinian Coral Transplants And The Effectiveness Of Plugging Core Holes In Transplant Donor Colonies, Elizabeth Glynn Fahy, Richard E. Dodge, Daniel P. Fahy, T. Patrick Quinn, David S. Gilliam, Richard E. Spieler
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Replicate scleractinian coral transplants were obtained from the species Meandrina meandrites and Montastrea cavernosa on a natural reef, off Dania Beach, Florida, using a hydraulic drill fitted with a 4 in. (~10 cm) core barrel. The transplants were fixed to Reef Ball™ substrates using an adhesive marine epoxy. Drill holes in the donor corals (core holes) were filled with concrete plugs. Control corals, of comparable size to both donor colonies and transplant corals, were monitored for comparison. Transplant corals, donor corals, and controls on the natural reef were monitored for growth and survivorship. Core holes were monitored for tissue regrowth …
Coral Of Opportunity Survivorship And The Use Of Coral Nurseries In Coral Reef Restoration, Jamie A. Monty, David S. Gilliam, Kenneth Banks, David K. Stout, Richard E. Dodge
Coral Of Opportunity Survivorship And The Use Of Coral Nurseries In Coral Reef Restoration, Jamie A. Monty, David S. Gilliam, Kenneth Banks, David K. Stout, Richard E. Dodge
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Coral reef damage is unfortunately becoming a common occurrence off southeast Florida, U.S.A. Reattachment of the dislodged scleractinian corals usually initiates damage site restoration. Because mortality of dislodged colonies is typically high and natural recovery in southeast Florida is typically slow, transplantation of additional scleractinian corals into a damaged area has been used to accelerate reef recovery. Donor colonies available for transplantation have been grown in situ, grown in laboratories, and taken from nondamaged reef areas. An alternative source of donor colonies for transplantation into damaged sites is “corals of opportunity,” which we define as scleractinian corals that have been …
Success And Growth Of Corals Transplanted To Cement Armor Mat Tiles In Southeast Florida: Implications For Reef Restoration, S. L. Thornton, Richard E. Dodge, David S. Gilliam, R. Devictor, P. Cooke
Success And Growth Of Corals Transplanted To Cement Armor Mat Tiles In Southeast Florida: Implications For Reef Restoration, S. L. Thornton, Richard E. Dodge, David S. Gilliam, R. Devictor, P. Cooke
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
In 1997, 271 scleractinian corals growing on a sewer outfall pipe were used in a transplantation study offshore from North Dade County, Florida, USA. Corals were removed from the outfall pipe and transplanted onto concrete armor mat tiles used to cover the pipe. Success (number of corals still attached and alive), mortality (number of dead corals), and growth rates of the transplants were assessed between December 1997 and December 1999. Colony surface area and radius length were measured on scanned photographs to estimate horizontal growth rate. After two years post-transplantation, success rate and overall mortality were 87% and 7.8% respectively. …