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Articles 1 - 8 of 8
Full-Text Articles in Population Biology
Winging It Through Unprecedented Times: A Study Of Avian Admissions To Wildlife Rehabilitation Centers In The Eastern United States Amidst The Covid-19 Pandemic, Thea Tengstrom
Honors College
The onset of the COVID-19 pandemic in 2020 has brought new research that examines the many ways in which humans impact wildlife. Wildlife rehabilitation is a tool that attempts to mitigate some negative effects of anthropogenic activity (domestic cats, window strikes), through specialized care to aid injured and orphaned animals. This study sought to investigate if the ‘Anthropause’, which saw a massive change in human behavior, demonstrated an influence on wild bird admissions to wildlife rehabilitation centers. Twelve centers were selected including both urban and non-urban centers throughout the eastern United States. Bird admission data between 2018 and 2021 were …
Does Urbanization Surrounding Stopping Sites Affect Migratory Behavior In American Woodcock (Scolopax Minor)?, Zoe Pavlik
Honors College
Urban landscapes may influence bird species in complex ways, with some species exploiting urban environments, others adapting to them, and others avoiding them. Migratory birds encounter urbanization not just during breeding and overwintering, but also at stopping sites during migration. Migration routes of American Woodcock (Scolopax minor), a bird species experiencing long term population declines, follow the east coast of the United States, including the major urbanized areas of the eastern seaboard. I explored the effects of urbanization around stopping sites on Woodcock migratory behavior using the percentage of impervious surfaces within a buffer surrounding the site as a measure …
Dataset For: “Shifts In Habitat, Habitat Use, And Demography Of American Lobsters In Coastal Maine Over The Past Quarter Century.”, Robert Jarrett Ii, Damian Brady, Richard Wahle, Robert Steneck
Dataset For: “Shifts In Habitat, Habitat Use, And Demography Of American Lobsters In Coastal Maine Over The Past Quarter Century.”, Robert Jarrett Ii, Damian Brady, Richard Wahle, Robert Steneck
Non-Thesis Student Work
This is the dataset for the manuscript "Shifts in habitat, habitat use, and demography of American lobsters in coastal Maine over the past quarter century." Our study revisited 20 long-term monitored sites at 10 m depth along more than 320 km of the Gulf of Maine. Sampling used quadrat sampling via scuba divers. We recorded fundamental changes in lobster habitat use and distribution. The data include count, size, sex, number of claws, and shelter use of lobster in addition to substrate type, percent cover of kelp and other macroalgae. The data are included in six .csv format files: (1) data …
Rapid: Ecological Resistance Of Multiply Stressed Populations: The Response Of Tidal Marsh Birds And Plants To Hurricane Sandy, Brian J. Olsen, Chris S. Elphick, Greg Shriver
Rapid: Ecological Resistance Of Multiply Stressed Populations: The Response Of Tidal Marsh Birds And Plants To Hurricane Sandy, Brian J. Olsen, Chris S. Elphick, Greg Shriver
University of Maine Office of Research Administration: Grant Reports
All animal and plant populations can weather change. However, the amount of environmental change a population can absorb is likely to depend upon other, past and ongoing stresses that the population experiences. This project will test whether the ability of populations of native plants and animals in coastal marshes to withstand the recent, extreme storm Hurricane Sandy was greater or less in marshes more subject to past stresses. Researchers will compare the abundances of marsh plants and animals before and after the storm and test whether vulnerability was greater in more specialized species or in marshes surrounded by development, invaded …
Population Ecology And Epidemiology Of Sea Lice In Canadian Waters, Sonja M. Saksida, Ian Bricknell, Shawn M. C. Robinson, Simon Jones
Population Ecology And Epidemiology Of Sea Lice In Canadian Waters, Sonja M. Saksida, Ian Bricknell, Shawn M. C. Robinson, Simon Jones
Maine Sea Grant Publications
Sea lice are found on farmed and wild fish on both the west coast and east coast of Canada. The predominant species on both coasts is referred to as Lepeophtheirus salmonis but indications are that the two groups are genetically different. Caligus species are also found on both coasts, these too are different species: Caligus clemensi and C. elongatus, respectively. There has been extensive work on sea lice on both wild and farmed fish over the last decade. Research indicates that L. salmonis, commonly referred to as the salmon louse; may have a broader host range than commonly …
The American Lobster Settlement Index: An Early Warning System?, Maine Sea Grant College Program
The American Lobster Settlement Index: An Early Warning System?, Maine Sea Grant College Program
Maine Sea Grant Publications
The harvest of American lobsters is the Gulf of Maine’s largest, most valuable, and most iconic fishery. The catch has never been higher, but how long will it last? Fishing communities in eastern Maine and southern Nova Scotia are seeing historically high landings, some five times higher than the 1980s. At the same time, the lobster fishery south of Cape Cod has all but collapsed, plagued by shell disease and stressfully warm summers. It has never been more important to monitor this vital fishery. The American Lobster Settlement Index measures the annual pulse of baby lobsters to rocky nurseries some …
Diet And Prey Availability Of Sturgeons In The Penobscot River, Maine, Matthew Dzaugis
Diet And Prey Availability Of Sturgeons In The Penobscot River, Maine, Matthew Dzaugis
Honors College
Although vital to the protection and conservation of species listed under the U.S. Endangered Species Act, critical habitat of shortnose sturgeon and Atlantic sturgeon in the Penobscot River, Maine have not yet been described. Critical habitat includes food availability as well as the physical characteristics of foraging habitat. To characterize seasonal availability of benthic prey, a ponar grab was used to collect over 125 benthic samples between 21 May and 8 October 2012. Samples were stratified throughout the river and broadly categorized by sediment type. All organisms within samples were identified to the family level. To characterize diet, stomach contents …
Logbook, U.S.S. Gannet, 1912-1913, George W. Greenleaf, United States Bureau Of Fisheries
Logbook, U.S.S. Gannet, 1912-1913, George W. Greenleaf, United States Bureau Of Fisheries
History of Maine Fisheries
Logbook of the U.S.S. Gannet, a research steam vessel commanded by Captain George W. Greenleaf for the United States Bureau of Fisheries hatchery located on McKown Point in Boothbay Harbor (Me.). The vessel was used by the hatchery in its efforts to preserve and increase fish stocks, including cod, haddock, polluck, flounder and lobsters. Records daily activities along the coast, including the number of seeders and eggs harvested and/or released, water temperatures, weather, and general maintenance of the vessel.