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Articles 91 - 120 of 354
Full-Text Articles in Marine Biology
Environmental Indicator Report, Philip Trowbridge
Environmental Indicator Report, Philip Trowbridge
PREP Reports & Publications
The following sections contain the most recent data for the 42 indicators tracked by PREP. In some cases PREP funds data collection and monitoring activities; however data for the majority of indicators are provided by other organizations with monitoring programs. The details of the monitoring programs and performance criteria for the indicators are listed in the PREP Monitoring Plan (PREP, 2008).
Stakeholder Input And Meeting Summary Report, D. B. Truslow Associates
Stakeholder Input And Meeting Summary Report, D. B. Truslow Associates
PREP Reports & Publications
The Piscataqua Region Estuaries Partnership (PREP) is part of the U.S. Environmental Protection Agency’s (EPA) National Estuary Program, which is a joint local/state/federal program established under the Clean Water Act. PREP’s goal is to protect and restore the Great Bay Estuary watershed and Hampton-Seabrook Estuary watershed. The organization receives its funding from the EPA and is administered by the University of New Hampshire. PREP will complete its update of the Comprehensive Conservation and Management Plan (CCMP) in early 2010. The first CCMP was released in 2000 when the organization was the New Hampshire Estuaries Project (NHEP). The NHEP management committee …
Year 14 Work Plan, Jennifer Hunter
Year 14 Work Plan, Jennifer Hunter
PREP Reports & Publications
The Piscataqua Region Estuaries Partnership (PREP), formerly called the New Hampshire Estuaries Project, is part of the U.S. Environmental Protection Agency’s (EPA’s) National Estuary Program which is a joint local/state/federal program established under the Clean Water Act with the goal of protecting and enhancing nationally significant estuaries. PREP is housed at and administered through the University of New Hampshire. A 27-person Management Committee oversees the work of the program. The Management Committee has a diverse membership representing municipalities, planning commissions, state and federal natural resource management agencies, watershed groups, non-profit conservation organizations, energy producers, researchers, and fishermen. The Piscataqua Region …
New Hampshire Estuaries Probabilistic Monitoring Program In 2008, Phil Trowbridge
New Hampshire Estuaries Probabilistic Monitoring Program In 2008, Phil Trowbridge
PREP Reports & Publications
The New Hampshire Department of Environmental Services (NHDES), the U.S. Environmental Protection Agency (EPA) and the University of New Hampshire (UNH) partnered in 2008 to implement the National Coastal Assessment in NH’s estuarine waters. USEPA provided the study design and field protocols. UNH collected the samples and field data at the designated sites in the estuary. Funding for this sampling effort was provided by the Piscataqua Region Estuaries Partnership, NHDES, and the New Hampshire Coastal Program. The purpose of this memo is to document the quality assurance checks that were performed by NHDES. The data were not collected as part …
Eelgrass Distribution In The Great Bay Estuary For 2008, Frederick T. Short
Eelgrass Distribution In The Great Bay Estuary For 2008, Frederick T. Short
PREP Reports & Publications
Eelgrass in the Great Bay Estuary in 2008 was found only in the Great Bay itself and Portsmouth Harbor. In 2008 there was a continued loss of eelgrass biomass in the Estuary. Virtually all the eelgrass in Little Bay and the Piscataqua River has died. Eelgrass in Great Bay itself experienced an increase in distribution from 2007 to 2008, primarily from the re-seeding of bare areas that had been de-vegetated by nuisance algae in previous years. However, Great Bay showed a decrease in eelgrass biomass in 2008. Portsmouth and Little Harbors experienced a slight decrease in both distribution and cover …
2008 Great Bay Organic Nitrogen (Pon & Don) And Light Extinction (Par) Monitoring Program, Jonathan Pennock
2008 Great Bay Organic Nitrogen (Pon & Don) And Light Extinction (Par) Monitoring Program, Jonathan Pennock
PREP Reports & Publications
This project takes advantage of these existing monitoring activities to collect and analyze for particulate organic nitrogen (PON), dissolved organic nitrogen (DON) and photosynthetically active radiation (PAR) at existing sample sites in the New Hampshire seacoast region. When combined with existing dissolved inorganic nitrogen measurements, PON and DON allow the entire Total Nitrogen (TN) pool to be quantified. PAR measurements provide an estimate of the light availability in the system.
2008 Great Bay Water Quality (Datasonde) Monitoring Program, Jonathan Pennock
2008 Great Bay Water Quality (Datasonde) Monitoring Program, Jonathan Pennock
PREP Reports & Publications
In situ water quality assessment has become an important source of data for monitoring, research and management activities in estuaries nationwide. As part of the National Estuarine Research Reserve System, the Great Bay System-Wide Monitoring Program (SWMP) produces in situ water quality data for four sites in and around Great Bay. This project extends the SWMP program to include year-round in situ data for a station at the University of New Hampshire Coastal Marine Lab pier at the mouth of the Piscataqua River and summmer data for a station in the Salmon Falls (SF) River. This suite of stations provides …
Nitrogen, Phosphorus, And Suspended Solids Concentrations In Tributaries To The Great Bay Estuary Watershed In 2008, Philip Trowbridge
Nitrogen, Phosphorus, And Suspended Solids Concentrations In Tributaries To The Great Bay Estuary Watershed In 2008, Philip Trowbridge
PREP Reports & Publications
Nitrogen, phosphorus, and sediment loads to the Great Bay Estuary are a growing concern. In the 2006 State of the Estuaries report (NHEP, 2006), the New Hampshire Estuaries Project (now called the Piscataqua Region Estuaries Partnership or PREP) calculated the nitrogen load from tributaries to the Great Bay Estuary using data collected by the NH Department of Environmental Services. PREP needs to update this indicator for the 2009 State of the Estuaries report. Therefore, the purpose of this study was to collect representative data on nitrogen, phosphorus, and suspended sediment concentrations in tributaries to the Great Bay Estuary in 2008. …
Town Of Barrington Natural Resources Inventory: A Reference, Strafford Regional Planning Commission
Town Of Barrington Natural Resources Inventory: A Reference, Strafford Regional Planning Commission
PREP Reports & Publications
Barrington is very fortunate to have an abundance and wide variety of natural resources. Given the Town’s location in the fast-growing seacoast region of New Hampshire, development can be expected to place increasing pressures on the Town and its natural resource base. As described throughout this Natural Resources Inventory, there are many natural resources, special habitats and ecosystems that are valuable and worthy of further consideration for further study, preservation and/or active management. Current zoning ordinances and land use regulations provide some protections. However, the Town can take several additional approaches to maintain and protect its rural character, and itsspecial …
Prep Coastal Watershed Land Protection Transaction Grants 2008 Funding Round, Derek Sowers
Prep Coastal Watershed Land Protection Transaction Grants 2008 Funding Round, Derek Sowers
PREP Reports & Publications
In 2008, fourteen projects received PREP funds to support transaction costs associated with permanent land conservation projects in the New Hampshire coastal watershed. A maximum of $3,000 was granted to each project, with a single organization eligible to receive up to three separate awards. Funds were granted to eight different organizations, all of which were land trusts or town Conservation Commissions. Projects were completed in nine different towns, with the total acreage of land permanently protected reported at 984 acres. Nine of the fourteen projects were located in priority Conservation Focus Areas identified in The Land Conservation Plan for New …
Eelgrass Mapping Great Bay Estuary For 1981, Frederick T. Short
Eelgrass Mapping Great Bay Estuary For 1981, Frederick T. Short
PREP Reports & Publications
The methods for this project followed the procedures specified in the approved QA Project Plan (Short and Trowbridge, 2003). Eelgrass meadow polygons for 1981 were mapped from USDA black-and-white aerial photographs, on file at the Strafford County and Rockingham County (NH) offices. The photographs were scanned and analyzed digitally after “rubber sheeting” the images to fit the Great Bay Estuary base map. The 1981 photographs were not ortho-photographs and some distortion across each photograph was evident. To minimize this effect, multiple photographs for each area were used to geo-reference actual locations on the eelgrass distribution map. Some areas of the …
Video-Based Mapping Of Oyster Bottom In The Upper Piscataqua River, Sturgeon Creek, And Spruce Creek, Raymond E. Grizzle, Krystin M. Ward
Video-Based Mapping Of Oyster Bottom In The Upper Piscataqua River, Sturgeon Creek, And Spruce Creek, Raymond E. Grizzle, Krystin M. Ward
PREP Reports & Publications
Towed, underwater videography was used to map and characterize the extent of oyster bottom in the upper Piscataqua River, Sturgeon Creek, and Spruce Creek. Georeferenced video imagery was obtained on five different days in summer and fall 2008. Significant shell bottom (with live oysters in most areas) was found only in the upper Piscataqua River in two areas: (1) the general location of the previously mapped (2003) upper Piscataqua River reef, and (2) in the Piscataqua River at the mouth of Sturgeon Creek. The Sturgeon Creek reef was classified into low and high density shell which covered a total area …
Testing Of Great Bay Oysters For Two Protozoan Pathogens, Douglas E. Grout
Testing Of Great Bay Oysters For Two Protozoan Pathogens, Douglas E. Grout
PREP Reports & Publications
Two protozoan pathogens, Haplosporidium nelsoni (MSX) and Perkinsus marinus (Dermo) are known to be present in Great Bay oysters. With funds provided by the Piscataqua Region Estuaries Partnership (PREP), the Marine Fisheries Division of New Hampshire Fish and Game Department, (NHF&G) continues to assess the presence and intensity of both disease conditions in oysters from the major beds within the Great Bay estuarine system. Histological examination of Great Bay oysters has also revealed other endoparasites.
Conservation Easement Stewardship And Monitoring And Assessment Of Newfields Conservation Lands, Ellen Snyder
Conservation Easement Stewardship And Monitoring And Assessment Of Newfields Conservation Lands, Ellen Snyder
PREP Reports & Publications
Ibis Wildlife Consulting worked with the Newfields Conservation Commission to ensure that the town meets sound easement stewardship practices. Project components involved preparing monitoring plans for seven conservation easements, completing two easement baseline documentation reports, completing an inventory of existing conservation lands in town, and completing an annual easement monitoring report for five conservation easements.
Analysis Of Hyperspectral Imagery For Macroalgae And Eelgrass Mapping, Sandown Conservation Commission
Analysis Of Hyperspectral Imagery For Macroalgae And Eelgrass Mapping, Sandown Conservation Commission
PREP Reports & Publications
No abstract provided.
Hampton-Seabrook Estuary Habitat Restoration Compendium, Alyson L. Eberhardt, David M. Burdick
Hampton-Seabrook Estuary Habitat Restoration Compendium, Alyson L. Eberhardt, David M. Burdick
PREP Reports & Publications
The goal of this report is to identify restoration opportunities within the watershed derived from data on habitat change. Many other factors exist that are important in the identification and selection of restoration projects, including water quality and non-point source pollution, water withdrawal, harbor maintenance, recreational impacts, human history, and socioeconomic factors, among others. Although information regarding these factors is not explicitly included in this analysis, these factors must be considered and addressed as they may limit the potential for success in specific restoration efforts
A Citizen's Guide To Protecting Greenland's Water Resources, Prep & Greenland Conservation Commission, Greenland Conservation Commission
A Citizen's Guide To Protecting Greenland's Water Resources, Prep & Greenland Conservation Commission, Greenland Conservation Commission
PREP Reports & Publications
No abstract provided.
Prep Year In Review, Prep
A Citizen's Guide To Understanding Hampton Falls Land Use Regulations That Protect Critical Water Resources, Hampton Falls Conservation Commission
A Citizen's Guide To Understanding Hampton Falls Land Use Regulations That Protect Critical Water Resources, Hampton Falls Conservation Commission
PREP Reports & Publications
No abstract provided.
A Citizen's Guide To Protecting Sandown's Wetlands And Water Resources, Sandown Conservation Commission
A Citizen's Guide To Protecting Sandown's Wetlands And Water Resources, Sandown Conservation Commission
PREP Reports & Publications
No abstract provided.
Eighteenth Year Of The Gulf Of Maine Environmental Monitoring Program, Lawrence A. Leblanc, Christian Krahforst, Jamie Aube, Shawn Roach, Guy Brun, Gareth Harding, Peter Hennigar, David Page, Stephen H. Jones, Susan Shaw, James Stahlnecker, Jack Schwartz, Darrell Taylor, Bruce Thorpe, Peter Wells
Eighteenth Year Of The Gulf Of Maine Environmental Monitoring Program, Lawrence A. Leblanc, Christian Krahforst, Jamie Aube, Shawn Roach, Guy Brun, Gareth Harding, Peter Hennigar, David Page, Stephen H. Jones, Susan Shaw, James Stahlnecker, Jack Schwartz, Darrell Taylor, Bruce Thorpe, Peter Wells
PREP Reports & Publications
This report summarizes the metals and organic contaminant data associated with the collection and analyses of blue mussel (Mytilus edulis) tissue from selected sites along the Gulf of Maine coast during the 2008 sampling season. Contaminant monitoring is conducted by the Gulfwatch Program for the Gulf of Maine Council on the Marine Environment (GOMC). A subset of these data is compared with analytical results from earlier Gulfwatch monitoring (2001-2007). Statistical analyses are limited to descriptive measures of replicates from selected sampling sites and include: arithmetic means, and appropriate measures of variance. The primary purpose of this report is to present …
Isinglass River Conservation Corridor Project, Daniel E. Kern
Isinglass River Conservation Corridor Project, Daniel E. Kern
PREP Reports & Publications
The New Hampshire Estuaries Project (NHEP) provided a $9,075 grant to Bear-Paw Regional Greenways to support the Isinglass River Conservation Corridor Project. The grant helped fund some of the transaction costs associated with the project that protected high-value conservation land along the Isinglass River and in other areas of the watershed in Strafford, New Hampshire. The $2.9 million project was a collaboration of Bear-Paw, the Trust for Public Land (TPL), and the Town of Strafford that protected five properties and 868 acres of forest, over one mile of road frontage, more than three miles of frontage on streams and rivers …
Total Nitrogen Concentrations In Wastewater Treatment Plant Effluent In The Great Bay Estuary Watershed In 2008, Philip Trowbridge
Total Nitrogen Concentrations In Wastewater Treatment Plant Effluent In The Great Bay Estuary Watershed In 2008, Philip Trowbridge
PREP Reports & Publications
Nitrogen enrichment is a growing concern for the Great Bay Estuary. For the 2006 State of the Estuaries report (NHEP, 2006), the NHEP calculated the nitrogen load from wastewater treatment facilities (WWTF) using data on total dissolved nitrogen in WWTF effluent in 2002 from Bolster et al. (2003). The NHEP needs to update this indicator for the 2009 State of the Estuaries report. Not only is more recent data needed but also measurements of total nitrogen are needed to avoid assumptions about the ratio of dissolved to total nitrogen. Therefore, the NHEP allocated staff time to collect effluent samples from …
Developing 1990, 2000, And 2005 Impervious Surface Estimates For Southern York County, Maine, David G. Justice, Fay A. Rubin
Developing 1990, 2000, And 2005 Impervious Surface Estimates For Southern York County, Maine, David G. Justice, Fay A. Rubin
PREP Reports & Publications
Estimates of impervious surface acreage in 1990, 2000, and 2005 were generated for an 11-town region in York County, Maine, covered by the Piscataqua Region Estuaries Partnership (PREP). The project extended previous work done in New Hampshire, relying on comparable satellite-based data sources and image processing methodologies. As a result, standardized impervious surface estimates are now available for the entirety of the PREP region. The impervious surface estimates were derived by applying both traditional and subpixel classification techniques to 30-meter Landsat 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) satellite image data. The classifications indicated that …
Macroalgae And Eelgrass Mapping In Great Bay Estuary Using Aisa Hyperspectral Imagery, Shachak Pe'eri, J. Ru Morrison, Frederick T. Short, Arthur C. Mathieson, Anna Brook, Philip Trowbridge
Macroalgae And Eelgrass Mapping In Great Bay Estuary Using Aisa Hyperspectral Imagery, Shachak Pe'eri, J. Ru Morrison, Frederick T. Short, Arthur C. Mathieson, Anna Brook, Philip Trowbridge
PREP Reports & Publications
Increase in nitrogen concentration and declining eelgrass beds in Great Bay Estuary have been observed in the last decades. These two parameters are clear indicators of the impending problems for NH’s estuaries. The NH Department of Environmental Services (DES) in collaboration with the New Hampshire Estuaries Project (NHEP) adopted the assumption that eelgrass survival can be used as the water quality target for nutrient criteria development for NH’s estuaries. One of the hypotheses put forward regarding eelgrass decline is that a possible eutrophication response to nutrient increases in the Great Bay Estuary has been the proliferation of nuisance macroalgae, which …
Restoration Of Oyster (Crassostrea Virginica) Habitat For Multiple Estuarine Species Benefits, Shachak Pe'eri, J. Ru Morrison, Frederick T. Short, Arthur C. Mathieson, Anna Brook, Philip Trowbridge
Restoration Of Oyster (Crassostrea Virginica) Habitat For Multiple Estuarine Species Benefits, Shachak Pe'eri, J. Ru Morrison, Frederick T. Short, Arthur C. Mathieson, Anna Brook, Philip Trowbridge
PREP Reports & Publications
Increase in nitrogen concentration and declining eelgrass beds in Great Bay Estuary have been observed in the last decades. These two parameters are clear indicators of the impending problems for NH’s estuaries. The NH Department of Environmental Services (DES) in collaboration with the New Hampshire Estuaries Project (NHEP) adopted the assumption that eelgrass survival can be used as the water quality target for nutrient criteria development for NH’s estuaries. One of the hypotheses put forward regarding eelgrass decline is that a possible eutrophication response to nutrient increases in the Great Bay Estuary has been the proliferation of nuisance macroalgae, which …
(2008) Northwood Stomwater Technologies And Town Of Northwood Buffer Ordinance, Ttg Environmental Consultants, Llc
(2008) Northwood Stomwater Technologies And Town Of Northwood Buffer Ordinance, Ttg Environmental Consultants, Llc
PREP Reports & Publications
TTG Environmental Consultants, LLC (TEC), under contract to the New Hampshire Estuaries Project and in conjunction with the Northwood Water Resources Sub-Committee, has prepared this report on stormwater technologies appropriate for the Town of Northwood, NH. This report is divided into two (2) main sections with a number of subsections. The first section describes the need for stormwater management, and the second section describes stormwater management technologies that are appropriate for Northwood. Stormwater management has been evolving for many years, from a need to convey stormwater away from or through a developed site, to the realization that land development has …
Eelgrass Distribution In The Great Bay Estuary 2007, Frederick T. Short
Eelgrass Distribution In The Great Bay Estuary 2007, Frederick T. Short
PREP Reports & Publications
Eelgrass has now, in 2007, almost totally disappeared from Little Bay and the Piscataqua River. Despite these critical losses in mid-estuary, eelgrass distribution in the Great Bay Estuary (GBE) as a whole between 2006 and 2007 experienced an overall loss of 3% in area because of the areal dominance of Great Bay itself, where most of the eelgrass that remains in the GBE is found. Eelgrass area in Great Bay itself remained about the same between 2006 and 2007, with an increase in biomass due to some of the remaining beds becoming more dense. However, Little Bay and the Piscataqua …
Eelgrass Distribution In The Great Bay Estuary For 2006, Frederick T. Short
Eelgrass Distribution In The Great Bay Estuary For 2006, Frederick T. Short
PREP Reports & Publications
Eelgrass in Great Bay itself decreased substantially (43%) between 2005 and 2006, due to losses in both biomass and distribution. Little Bay and the Piscataqua River showed greater change(loss of 40%) between 2005 and 2006 than previously, with very low levels of eelgrass compared to historical distributions and the large beds of ruppia in the Bellamy, Oyster and upper Piscataqua Rivers also diminished. The Portsmouth Harbor – Little Harbor area experienced a decrease in eelgrass abundance (14%) between 2005 and 2006. All of the Great Bay Estuary has decreased eelgrass beds compared to historic distributions. In the decade from 1996 …
Town Of Chester Stormwater Management Project, Nhep Community Technical Assistance Program
Town Of Chester Stormwater Management Project, Nhep Community Technical Assistance Program
PREP Reports & Publications
Great Bay Environmental Consulting (GBEC) worked with the Town of Chester Planning Board to improve regulatory approaches to stormwater management. The project was conducted in two phases: Phase I involved an inventory and assessment of existing regulations for their treatment of stormwater management, with recommendations for an approach to improve stormwater management in the town. The Planning Board opted to focus on specific changes to existing subdivision and site planning regulations, so Phase II of the project involved the development of specific recommendations for those regulations.