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Articles 1 - 30 of 201
Full-Text Articles in Life Sciences
Seasonal Appearance And Monitoring Of Invasive Species In The Great Bay Estuarine System, Larry G. Harris, Jennifer A. Dijkstra
Seasonal Appearance And Monitoring Of Invasive Species In The Great Bay Estuarine System, Larry G. Harris, Jennifer A. Dijkstra
PREP Reports & Publications
The University of New Hampshire Zoology Department reports on a study designed to synthesize existing data on invasive species in the estuary and the surrounding area, compare succession between two panel studies (1979 to 1982 and 2003 to 2006), seasonally monitor invasive species in the Great Bay Estuary, and identify predators of invasive species. Researchers identified species most likely to invade the Great Bay Estuary, analyzed succession between two long-term panel studies separated by approximately 25 years, collected presence/absence and abundance data of invasive species at four sites within the Great Bay Estuarine System and identified potential predators of invasive …
Predicting The Success Of Invasive Species In The Great Bay Estuarine Researve, Jennifer A. Dijkstra, Larry G. Harris
Predicting The Success Of Invasive Species In The Great Bay Estuarine Researve, Jennifer A. Dijkstra, Larry G. Harris
PREP Reports & Publications
The University of New Hampshire Zoology Department reports on a study designed to continue monitoring the distribution of invasive species in the Great Bay Estuary and to carry out laboratory experiments designed to test the effects of salinity on ascidian mortality and determine predators of ascidian species. Researchers collected presence/absence and abundance data of invasive species at four sites within the Great Bay Estuarine System. The report gives a brief description of the results of the monitoring program to compare results obtained from 2006 to 2007 and to assess the response of ascidians to varying salinity and predators. This report …
Buffer Projects In The Town Of Wakefield And City Of Somersworth, Julie Labranche
Buffer Projects In The Town Of Wakefield And City Of Somersworth, Julie Labranche
PREP Reports & Publications
Participants in the Wakefield Buffer Project include SRPC staff, members of the Acton Wakefield Watershed Alliance (AWWA), local board and commission members, and the Wakefield Town Planner, Kathy Menici. AWWA members included: Linda Schier, Carol Lafond, Marge Kimball and Adam Soukimas. Town Staff included Joe Fluet (Planning board Chair) and Nancy Spencer Smith (Conservation Commission). The goals of AWWA are to educate and inform shoreland property owners about the harmful effects of erosion and uncontrolled stormwater runoff on water quality of its lakes and ponds. AWWA focuses their on- the-ground efforts to repair, restore and preserve healthy functioning buffers and …
Pioneering Lobster Aquaculture In Rhode Island, Michael A. Rice
Pioneering Lobster Aquaculture In Rhode Island, Michael A. Rice
Michael A Rice
An Optical Model For Heat And Salt Budget Estimation For Shallow Seas, Hari Warrior, Kendall L. Carder
An Optical Model For Heat And Salt Budget Estimation For Shallow Seas, Hari Warrior, Kendall L. Carder
Marine Science Faculty Publications
The effects of the underwater light field on heat-budget calculations for shallow waters are developed and applied for the region of Bahamas. Most of the general circulation models use a simplified heat budget scheme based on Jerlov water types, and do not account for optical bottom effects. by optical bottom effect, we mean the bottom absorption and reflection of the short-wave radiation, which in turn affects the thermal stratification and heat exchange with the atmosphere. In this paper, this optical bottom effect is added to a 3D turbulence model (a 1D model called GOTM is coupled to a 3D model …
A High Resolution Satellite-Only Grace-Based Mean Dynamic Topography Of The South Atlantic Ocean, Marcio L. Vianna, Viviane V. Menezes, D. Chambers
A High Resolution Satellite-Only Grace-Based Mean Dynamic Topography Of The South Atlantic Ocean, Marcio L. Vianna, Viviane V. Menezes, D. Chambers
Marine Science Faculty Publications
A new filtering method based on Singular Spectrum Analysis has been devised to extract high resolution (0.25° × 0.25° grid) satellite-only Mean Dynamic Ocean Topography(MDT) constructed by differencing of the GGM02 GRACE Gravity Model from the GSFCMSS00 Mean Sea Surface. This data-adaptive interpolation-type filter is adequate for the finite domain MDT processing since it minimizes smoothing and does not lose boundary points. It is applied to the computation of two new MDTs and MDT-derived mean geostrophic circulation maps of the South Atlantic region from 15°N to 50°S. Advantages of these new maps are clarified when contrasted with the Rio-2005, Chambers-Zlotnicki-2004 …
A Regional Modeling Study Of The Entraining Mediterranean Outflow, Xiaobiao Xu, E. P. Chassignet, J. F. Price, T. M. Özgökmen, H. Peters
A Regional Modeling Study Of The Entraining Mediterranean Outflow, Xiaobiao Xu, E. P. Chassignet, J. F. Price, T. M. Özgökmen, H. Peters
Faculty Publications
[1] We have evaluated a regional-scale simulation of the Mediterranean outflow by comparison with field data obtained in the 1988 Gulf of Cadiz Expedition. Our ocean model is based upon the Hybrid Coordinate Ocean Model (HYCOM) and includes the Richardson number-dependent entrainment parameterization of Xu et al. (2006). Given realistic topography and sufficient resolution, the model reproduces naturally the major, observed features of the Mediterranean outflow in the Gulf of Cadiz: the downstream evolution of temperature, salinity, and velocity profiles, the mean path and the spreading of the outflow plume, and most importantly, the localized, strong entrainment that has been …
Reconstructing Twentieth-Century Sea Surface Temperature Variability In The Southwest Pacific: A Replication Study Using Multiple Coral Sr/Ca Records From New Caledonia, Kristine L. Delong, Terrence M. Quinn, Frederick W. Taylor
Reconstructing Twentieth-Century Sea Surface Temperature Variability In The Southwest Pacific: A Replication Study Using Multiple Coral Sr/Ca Records From New Caledonia, Kristine L. Delong, Terrence M. Quinn, Frederick W. Taylor
Marine Science Faculty Publications
Coral‐based climate reconstructions typically have not used multiple cores from a region to capture and replicate a climate signal largely because of concerns of coral conservation, analytical expense, and time constraints. Coral Sr/Ca reproducibility through the twentieth century was investigated using three intracolony and three intercolony coral records from the reefs offshore of Amédée Island, New Caledonia. Different sampling resolutions were examined in coral Sr/Ca (fortnightly and monthly) and δ18O (fortnightly, monthly, and seasonally) as well as similar scale subsampling of the daily in situ sea surface temperature (SST) record. The mean coral Sr/Ca, δ18O, and …
Hydrological Parameters For New Hampshire's Estuaries, Phil Trowbridge
Hydrological Parameters For New Hampshire's Estuaries, Phil Trowbridge
PREP Reports & Publications
The New Hampshire Estuaries Project (NHEP) is part of the U.S. Environmental Protection Agency’s National Estuary Program which is a joint local/state/federal program established under Section 320 of the Clean Water Act with the goal of protecting and enhancing nationally significant estuaries. The NHEP’s Comprehensive Conservation and Management Plan for New Hampshire’s estuaries was completed in 2000 and implementation is ongoing. The Management Plan outlines key issues related to management of New Hampshire’s estuaries and proposes strategies that are expected to collectively preserve and protect the state’s estuarine resources. The coastal watershed for the NHEP drains into two major estuary …
Temporal Fatty Acid Fluctuations Of Pachygrapsus Crassipes In Southern California, April Dawn Sjoboen
Temporal Fatty Acid Fluctuations Of Pachygrapsus Crassipes In Southern California, April Dawn Sjoboen
Loma Linda University Electronic Theses, Dissertations & Projects
The current investigation identified fatty acids (FAs) and quantified total and specific FA concentrations in the striped shore crab, Pachygrapsus crassipes. I examined changes in the abundance of individual FAs and FA saturation categories (saturated, monounsaturated, polyunsaturated) over months and between sexes. Fatty acid fluctuations were compared with reported temperatures from a location near the collection site to determine whether temperature significantly contributed to these changes. The abundances of palmitoleic acid, palmitic acid, and docosahexaenoic acid (DHA) were found to fluctuate significantly on a monthly basis, with a higher abundance in warm months than in cold months. This fluctuation appeared …
2005 Coastal Municipal Stormwater Infrastructure Mapping Project, Jeffrey Marcoux
2005 Coastal Municipal Stormwater Infrastructure Mapping Project, Jeffrey Marcoux
PREP Reports & Publications
The New Hampshire Department of Environmental Services (DES) received funds in 2005 from the New Hampshire Estuaries Project (NHEP) to provide assistance to coastal communities to develop storm sewer infrastructure maps. This final report describes the grant projects completed in Rye and Seabrook.
NHEP chose to fund stormwater infrastructure mapping projects for a number of reasons. Primarily, this grant was established in order to fulfill one of the water quality action plans identified in the NHEP Management Plan. In addition, the Coastal/Piscataqua watershed has been identified by DES as a priority watershed in need of restoration. Updated and comprehensive maps …
Histopathological Assessment And Comparison Sedimentation And Phosphate Stress On The Staghorn Coral, Acropora Cervicornis, Erin Christine Hodel
Histopathological Assessment And Comparison Sedimentation And Phosphate Stress On The Staghorn Coral, Acropora Cervicornis, Erin Christine Hodel
HCNSO Student Theses and Dissertations
Traditional coral reef monitoring efforts lack assessment of coral health at tissue and cellular levels. This thesis investigated tissue, cellular, and gross morphological responses of the Caribbean staghorn coral, Acropora cervicornis, to elevated sedimentation and phosphate using state-of-the-art histological techniques. Branch fragments of A. cervicornis were collected offshore Broward County, FL, acclimated for 12 weeks, subjected to a 4-week experimental period, and given a 1-week recovery period in laboratory aquaria. Treatments consisted of high doses (200 mg cm-2 day-1) of sedimentation (S), phosphate (4 μM) (P), and a combination of these two (S + P), in …
Evaluation Of Striped Bass Stocks In Virginia : Monitoring And Tagging Studies, 2004-2008 - Annual Report 1 September 2006 - 31 August 2007, Philip W. Sadler, John M. Hoenig, Robert E. Harris, Rebecca J. Wilk, Lydia M. Goins
Evaluation Of Striped Bass Stocks In Virginia : Monitoring And Tagging Studies, 2004-2008 - Annual Report 1 September 2006 - 31 August 2007, Philip W. Sadler, John M. Hoenig, Robert E. Harris, Rebecca J. Wilk, Lydia M. Goins
Reports
This report presents the results of striped bass (Morone saxatilis) tagging and monitoring activities in Virginia during the period 1 September 2006 through 31 August 2007. It includes an assessment of the biological characteristics of striped bass taken from the 2007 spring spawning run, estimates of annual survival and fishing mortality based on annual spring tagging, and the preliminary results of the fall 2006 study that documents the prevalence of mycobacterial infections of striped bass in Chesapeake Bay. The information contained in this report is required by the Atlantic States Marine Fisheries Commission and is used to implement a coordinated …
Fish And Coral Reef Communities Of The Parque Nacional Sistema Arrecifal Veracruzano (Veracruz Coral Reef System National Park) Veracruz, Mexico: Preliminary Results, Marcos Alberto Rangel Avalos, Lance K. B. Jordan, Brian K. Walker, David S. Gilliam, Elvira Carvajal Hinojosa, Richard E. Spieler
Fish And Coral Reef Communities Of The Parque Nacional Sistema Arrecifal Veracruzano (Veracruz Coral Reef System National Park) Veracruz, Mexico: Preliminary Results, Marcos Alberto Rangel Avalos, Lance K. B. Jordan, Brian K. Walker, David S. Gilliam, Elvira Carvajal Hinojosa, Richard E. Spieler
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Effective resource management requires robust baseline datasets and efficient monitoring programs to identify and quantify temporal change. The Parque Nacional Sistema Arrecifal Veracruzano (Veracruz Coral Reef System National Park) encompasses a total of 52000ha including 23 coral reefs in two island groups separated by the mouth of the Jamapa River; one near the port of Veracruz, Mexico and one approximately 20km south near Punta Antón Lizardo. Both groups receive substantial fisheries pressure and other anthropogenic impacts. Using non-destructive, visual methods we surveyed fish and benthic assemblages at 18 sites, which included 10 individual coral reefs within the Park. For fishes, …
Wakefield Land Conservation Education & Outreach Project, Cindy Barstow, Cheri Schlenker
Wakefield Land Conservation Education & Outreach Project, Cindy Barstow, Cheri Schlenker
PREP Reports & Publications
The Town of Wakefield has experienced an unprecedented growth explosion in the past seven years. Pressures to use heretofore undeveloped land for the construction of residential housing has threatened the natural resources of this community. The projected growth rate has the potential to severely impact Wakefield’s natural resources. While the town has undertaken a comprehensive revision of zoning, site plan and subdivision regulations, it is important that voluntary land protection measures are advanced to secure permanent protection of valuable resources.
Eutrophication In Shallow Coastal Bays And Lagoons: The Role Of Plants In The Coastal Filter, Karen J. Mcglathery, Kristina Sundback, Iris C. Anderson
Eutrophication In Shallow Coastal Bays And Lagoons: The Role Of Plants In The Coastal Filter, Karen J. Mcglathery, Kristina Sundback, Iris C. Anderson
VIMS Articles
Nutrient loading to coastal bay ecosystems is of a similar magnitude as that to deeper, river-fed estuaries, yet our understanding of the eutrophication process in these shallow systems lags far behind. In this synthesis, we focus on one type of biotic feedback that influences eutrophication patterns in coastal bays — the important role of primary producers in the ‘coastal filter’. We discuss the 2 aspects of plant-mediated nutrient cycling as eutrophication induces a shift in primary producer dominance: (1) the fate of nutrients bound in plant biomass, and (2) the effects of primary producers on biogeochemical processes that influence nutrient …
Review Of Durham’S Regulations Related To Stormwater Management Durham, New Hampshire, Stone Environmental, Inc.
Review Of Durham’S Regulations Related To Stormwater Management Durham, New Hampshire, Stone Environmental, Inc.
PREP Reports & Publications
This report provides a review of Durham’s Zoning Ordinance, Subdivision Regulations, Site Plan Review Regulations, Road Construction Regulations, and proposed Stormwater Ordinance regarding 1) compliance with state and federal stormwater regulations, and 2) how well these ordinances and regulations may be expected to perform in managing stormwater. The revisions suggested in these documents are intended to improve stormwater management in Durham for the benefit of the community and the protection of its water resources and wetlands. STONE
Impervious Surface Analysis For Durham Under Current And Build-Out Conditions In Support Of Stormwater Management, David Cedarholm, Stone Environmental, Inc.
Impervious Surface Analysis For Durham Under Current And Build-Out Conditions In Support Of Stormwater Management, David Cedarholm, Stone Environmental, Inc.
PREP Reports & Publications
An analysis was performed to determine current and projected impervious surface areas in the Town of Durham, New Hampshire with the purpose of generating data to guide the adoption of stormwater management practices in the Town. Because impervious surfaces affect stormwater runoff peak flows and volumes significantly, it is critical to understand the Town’s impervious area characteristics (and the resulting stormwater management implications) under current conditions in order to develop appropriate stormwater management policies.
Review Of Northwood’S Stormwater Management Regulations Northwood, New Hampshire, Stone Environmental, Inc.
Review Of Northwood’S Stormwater Management Regulations Northwood, New Hampshire, Stone Environmental, Inc.
PREP Reports & Publications
This project was funded through a grant from the New Hampshire Estuaries Project (NHEP) of the University of New Hampshire to assist the Town of Northwood in a review of their stormwater management regulations. The revisions suggested in Northwood’s Development Ordinance, Subdivision Regulations, and Site Plan Review Regulations are intended to improve stormwater management in Northwood for the benefit of the community and the protection of its water resources and wetlands. Review
The Economic Contribution Of Marine Science And Education Institutions In The Monterey Bay Crescent, Judith T. Kildow Dr, Nathaniel Miller
The Economic Contribution Of Marine Science And Education Institutions In The Monterey Bay Crescent, Judith T. Kildow Dr, Nathaniel Miller
Publications
Ocean and coastal areas of the United States contribute significantly to our nation’s overall economy. The extent to which our economy benefits from the wide range of marine and coastal activities is not completely understood. The National Ocean Economics Program (NOEP) has attempted to track and value the ocean and coastal- related economic activities in the United States. To date six sectors are included in its information system (www.oceaneconomics.org). The economic contribution of marine research and education institutions is a sector of activity that lies outside of the normal federal government datasets, but one which seemed to have growing importance …
The Lobster Bulletin, Fall 2007, Lobster Institute, University Of Maine
The Lobster Bulletin, Fall 2007, Lobster Institute, University Of Maine
Lobster Bulletin
The Lobster Bulletin newsletter includes research updates, and information on lobsters and the lobster industry. The Lobster Institute at the University of Maine is dedicated to protecting and conserving the lobster resource, and enhancing lobstering as an industry and a way of life.
Headlines in the Fall 2007 issue include:
- Lobster Institute Honors Long-Time Volunteers at its 20th Anniversary Celebration
- Lobster Institute Unveils New Logo
- Twenty Years of Service
- Maine DMR Announces Online Licensing Services
- Research Report: New Designs for Juvenile Sampling Trap Studied
- The Lobster Institute Celebrates Its 20th Anniversary: 1987-2007
Hydrodynamic Modeling For The Proposed Dredging Assessment In Norfolk Harbor Channel, Elizabeth River, Mac Sisson, Harry V. Wang, Jian Shen, Wenping Gong, Albert Y. Kuo
Hydrodynamic Modeling For The Proposed Dredging Assessment In Norfolk Harbor Channel, Elizabeth River, Mac Sisson, Harry V. Wang, Jian Shen, Wenping Gong, Albert Y. Kuo
Reports
No abstract provided.
Limb Regeneration After Multiple Autotomy And Coxae Removal In The Blue Crab Callinectes Sapidus, Jennifer Ambler
Limb Regeneration After Multiple Autotomy And Coxae Removal In The Blue Crab Callinectes Sapidus, Jennifer Ambler
OES Theses and Dissertations
This study investigated limb regeneration in the juvenile blue crab, Callinectes sapidus, specifically the role of the coxa and pedal nerve innervation of the regenerative limb bud over time. The coxa is a leg segment that has been defined as the source of positional, cellular, and neuronal information needed for limb regeneration in brachyuran crabs. This study indicates that removal of coxae under regenerative and non-regenerative conditions did not deter limb regeneration. The coxa is not the exclusive location of limb regenerative information since limbs re-grew with normal positional and functional arrangement in 86% of crabs showing regeneration at removal …
Life History And Courtship Behavior Of Black Perch, Embiotoca Jacksoni (Teleostomi: Embiotocidae), From Southern California, Bridgette Froeschke, Larry Allen, Daniel Pondella
Life History And Courtship Behavior Of Black Perch, Embiotoca Jacksoni (Teleostomi: Embiotocidae), From Southern California, Bridgette Froeschke, Larry Allen, Daniel Pondella
Daniel Pondella
The black perch, Embiotoca jacksoni Agassiz, 1853, is a common reef fish associated with nearshore marine habitats of California, with the majority of the population occurring within the Southern California Bight. Black perch were collected throughout southern California from Santa Barbara to Carlsbad, including Santa Catalina Island, to determine their physical characteristics, growth, sex ratio, periodicity of reproduction, and length of gestation. Courtship observations were conducted using scuba along the King Harbor Breakwater in Redondo Beach, California, from January 2004 to December 2005 to verify periodicity of courting and associated reproductive behaviors. Specimens captured ranged from 75 to 220 mm …
Sger: Investigation Of Potential Co-Introduction Of Fucus Serratus And Littorina Littorea To North America In 1800s, Susan H. Brawley
Sger: Investigation Of Potential Co-Introduction Of Fucus Serratus And Littorina Littorea To North America In 1800s, Susan H. Brawley
University of Maine Office of Research Administration: Grant Reports
This research will apply new approaches and expertise to understanding the probable invasion of North American intertidal zones by the herbivorous snail Littorina littorea in the 1800s. The investigator developed the following hypothesis during her recent analyses of late 1700s to mid-1800s shipping records: Fucus serratus and Littorina littorea were co-introduced into North America from Britain via the dumping of intertidal rock ballast in ships arriving at Pictou Harbor during the massive emigration of nearly 40,000 Scots (and some Irish and English) in the late 1700s-mid-1800s. This hypothesis will be tested using innovative molecular techniques (i.e., assay of nuclear …
Summer/Fall 2007, Nsu Oceanographic Center
Nhep 2007 Progress Report, New Hampshire Estuaries Project
Nhep 2007 Progress Report, New Hampshire Estuaries Project
PREP Reports & Publications
The New Hampshire Estuaries Project (NHEP) is part of the U.S. Environmental Protection Agency’s (EPA’s) National Estuary Program, which is a collaborative local/state/federal program established under the Clean Water Act with the goal of protecting and enhancing nationally significant estuaries. The NHEP receives most of its funding from the EPA and is administered by the University of New Hampshire. The mission of the NHEP is to protect, restore, and monitor the environmental quality of the state’s estuaries, including the Great Bay Estuary and the Hampton-Seabrook Estuary. The NHEP study area covers the entire coastal watershed of New Hampshire, including all …
The Statistics Of Natural Shapes In Modern Coral Reef Landscapes, Samuel J. Purkis, Kevin E. Kohler, Bernhard Riegl, Steven O. Rohmann
The Statistics Of Natural Shapes In Modern Coral Reef Landscapes, Samuel J. Purkis, Kevin E. Kohler, Bernhard Riegl, Steven O. Rohmann
Marine & Environmental Sciences Faculty Articles
Spatial heterogeneity is a fundamental characteristic of modern and ancient depositional settings, and the scaling of many carbonate environments has been shown to follow power function distributions. The difficulty in obtaining information on the horizontal persistence of sedimentary lithotopes at the basin scale has, however, hampered evaluation of this fact over larger geographic areas. In recent years, large‐scale maps of reef facies derived from remotely sensed data have become widely available, allowing for an analysis of reef‐scale map products from 26 sites spread through four reef provinces, covering >7000 km2 of shallow‐water habitat in the U.S. territorial Pacific. For …
Town Of Fremont Wetland Evaluation Report, West Environmental, Inc.
Town Of Fremont Wetland Evaluation Report, West Environmental, Inc.
PREP Reports & Publications
West Environmental, Inc. (WEI) has prepared this report to document the evaluation of 55 wetlands within the Town of Fremont, New Hampshire. This is a follow-up study to the WEI study of Spruce Swamp in 2003. These wetlands were previously identified in the Fremont Wetland Mapping Report (April 2007), also prepared by WEI. The field work for this evaluation was conducted from February to September 2007 and included the verification of potential prime wetland boundaries.
Effect Of Wave Action On Movement In The Owl Limpet, Lottia Gigantea, In Santa Cruz, California, William G. Wright, James W. Nybakken
Effect Of Wave Action On Movement In The Owl Limpet, Lottia Gigantea, In Santa Cruz, California, William G. Wright, James W. Nybakken
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
The critical role of wave energy in the ecology of nearshore organisms is widely accepted, based primarily on biotic correlations over large scales of time and space. Much less is known about how large waves impact the behavioral ecology of individual organisms. Theoretical considerations and measurements of tenacity predict that intertidal gastropods should minimize the chances of dislodgement during periods of high waves by remaining stationary. We tested this prediction by observing a population of the owl limpet, Lottia gigantea G. B. Sowerby I, 1834, in a range of sea conditions. We found the proportion of the population moving during …