This data set contains overall mean values for Secchi transparency, color and a series of water chemistry parameters for surveyed Maine lakes. Data were collected by Maine DEP (MDEP), the Volunteer Lake Monitoring Program (VLMP) [...] [ click to read more ]
This data set contains pH, color, conductivity and alkalinity data for Maine lakes, by date of collection. Data were collected by ME DEP, Volunteer Lake Monitoring Program and other organizations. Data are provided by ME [...] [ click to read more ]
This data set contains chlorophyll data for Maine lakes sampled by ME DEP, Volunteer Lake Monitoring Program and other organizations. Data were provided by Linda Bacon, ME DEP.
Data are current through the 2018 sampling year.
To [...] [ click to read more ]
This data set contains total phosphorus data for Maine lakes, by date of collection. Data were collected by ME DEP, Volunteer Lake Monitoring Program and other organizations. Data are provided by ME Dept. of Environmental [...] [ click to read more ]
This data set contains Secchi transparency data for Maine lakes, by date of collection. Data were collected by ME DEP, Volunteer Lake Monitoring Program and other organizations. Data are provided by ME Dept. of Environmental [...] [ click to read more ]
This data set contains water temperature and dissolved oxygen data for Maine lakes. These data are current through 2018. Data were collected by ME Dept. of Environmental Protection, the Volunteer Lake Monitoring Program and other [...] [ click to read more ]
This data set contains annual mean values (with maxima and minima) for Secchi transparency, color and a series of water chemistry parameters for surveyed Maine lakes. Data were collected by Maine Department of Environmental Protection [...] [ click to read more ]
Boston Harbor Islands (BOHA) national park area, encompasses about 60 km of shoreline on over 30 islands. The intertidal zone, or the area between the reaches of high tide and low tide, includes a diversity [...] [ click to read more ]
The intertidal zone of the 34 islands that are the Boston Harbor Islands national park area encompasses over half of the total park area, thereby representing a significant natural resource. The purpose of this study [...] [ click to read more ]
Approximately 1,000 volunteers assessed the presence of invasive (Carcinus maenas and Hemigrapsus sanguineus) and native crabs within the intertidal zone of seven coastal states of the US, from New Jersey to Maine. Identification of crab [...] [ click to read more ]
A combination of methods (infaunal grabs and sediment profile cameras) were used to monitor the response of Boston Harbor benthic habitats to reductions in wastewater associated with movement of the outfalls to the mouth of [...] [ click to read more ]
From the authors' conclusions:
"Sediment accumulation forms on Thompson Island are representative of many of the processes on the submerging drumlins inside Boston Harbor. Most coastal accumulation is associated with longshore drift convergences. Most of these [...] [ click to read more ]
The complete report can be downloaded HERE.
This review has two major goals: 1) to present an integrated approach to understanding the sources, fate and transport of historical and current chemical contamination to the Boston [...] [ click to read more ]
The Massachusetts Water Resources Authority (MWRA) conducts a comprehensive multidisciplinary monitoring program in Massachusetts Bay, Cape Cod Bay, and Boston Harbor to assess the environmental effects of a relocated secondary-treated effluent outfall. Through 2007, 8.7 [...] [ click to read more ]
Download the report HERE.
The prime purpose of this survey was to determine the presence of rats (Rattus norvegicus), their locations on the islands, relative abundance, and available food. In addition, other mammals and bird [...] [ click to read more ]
To view document, click HERE.
After more than three and one-half centuries of vicissitude, the deciduous forest that once covered the Boston Harbor islands may have begun to return.
The role of native species diversity in providing biotic resistance to invasion remains controversial, with evidence supporting both negative and positive relationships that are often scale dependent. Across larger spatial scales, positive relationships suggest that [...] [ click to read more ]
To open data file, click HERE.
This data set contains lists of fish species in Maine lakes and are derived from MDIFW's lake survey database (2007 update). The database contains a listing of all fish [...] [ click to read more ]
This file contains a list of lake associations and conservation / environmental organizations that work, in some capacity, with lakes in Maine. The data include the MIDAS codes and names of lakes present in the [...] [ click to read more ]
To open report, click HERE.
Forty professionals (scientists and naturalists) sampled 6 of the 34 Boston Harbor Islands during the morning low tide (0650h, 0.0 MLLW) on August 18, 2008: Outer Brewster, Calf, Little Brewster, [...] [ click to read more ]
To download this report, click HERE.
Purpose of the General Management Plan The purpose of the general management plan is to clearly define the park's mission and management direction. It provides a foundation to guide [...] [ click to read more ]
This KB record is MS Word document containing a list [...] [ click to read more ]
We used microfossils preserved in salt-marsh peat to understand the landscape processes (both natural and anthropogenic) that have influenced the environment. Variations in the abundance of fossil pollen of native species suggest that the vegetation [...] [ click to read more ]
To open report, click HERE.
Over the past 20 years, Boston Harbor has been the site of a multi-billion dollar construction and engineering project, the Boston Harbor Project (BHP).The purpose of this Project was to [...] [ click to read more ]
From its scenic and historic landscape to its vitally important habitats, World’s End presents significant opportunities and unique challenges. Three factors will guide The Trustees of Reservations in managing [...] [ click to read more ]
The National Park Service (NPS) needs current information on the distribution and types of wetlands occurring within the Boston Harbor Islands National Recreation Area (Boston Harbor Islands NRA) to aid its [...] [ click to read more ]
To open report, click HERE.
The following objectives provide the basis of coastal breeding bird monitoring for Boston Harbor Islands National Recreation Area:
1) Determine annual changes and long-term trends in abundance of high priority [...] [ click to read more ]
The map displays surveyed lakes, list of fish species at each lake and fishery management type (as designated by MDIFW).
Data may be viewed in this Google Earth file: Lake_fish.kmz.
Lists of fish species in Maine [...] [ click to read more ]
Download the report HERE.
The World's End Management Plan identified the need for a detailed grassland management plan to address the conservation goals and primary threats to the grasslands at World's End. The primary management [...] [ click to read more ]