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Articles 1 - 13 of 13
Full-Text Articles in Aquaculture and Fisheries
Flight Of The Freshwater Fish, Michael H. Wilson
Flight Of The Freshwater Fish, Michael H. Wilson
Capstones
Michael H. Wilson
Capstone Abstract
December 27, 2016
Flight of the Freshwater Fish
The Hudson River provides for millions of people as a path for commercial and private transportation, a source of food and energy, and perhaps most importantly for many living in the tri-state area as a destination for recreation and relaxation. The most overlooked feature of the river is how the wildlife shows clear signs of a changing climate and rapid environmental response to the impacts of global warming on the river.
Entire populations of fish species in the lower Hudson have been forced to leave the river …
Reproductive Characteristics Of Landlocked Fall Chinook Salmon From Lake Oahe, South Dakota, Kelsen L. Young, Michael E. Barnes, Jeremy L. Kientz
Reproductive Characteristics Of Landlocked Fall Chinook Salmon From Lake Oahe, South Dakota, Kelsen L. Young, Michael E. Barnes, Jeremy L. Kientz
The Prairie Naturalist
Lake Oahe, South Dakota, USA, landlocked fall Chinook salmon (Oncorhynchus tshawytscha) reproductive characteristics were examined over a 27 year period, from 1988 to 2015. Mean total lengths of spawning females ranged from 665 mm (1995) to 812 mm (2015) with considerable year-to-year variation. Post-spawn female weights varied, ranging from 2.02 kg (2000) to 5.55 kg (2015), with an overall mean of 3.04 kg. Fecundity peaked at 4,555 eggs per female in 2003, which was just 3 years after a low of 2,011 eggs per female in 2000. Relative fecundity based on female weight was greatest at 1,211 eggs/kg …
Fish Diversity And Coral Health Of Tanzania's Reefs: A Comparative Study Between The Ushongo Village Reef And The Fungu Zinga Reef Over Time, Della Turque, Corinne Casper
Fish Diversity And Coral Health Of Tanzania's Reefs: A Comparative Study Between The Ushongo Village Reef And The Fungu Zinga Reef Over Time, Della Turque, Corinne Casper
Independent Study Project (ISP) Collection
The world’s oceans are becoming increasing acidic due to global climate change, posing a threat to marine ecosystems, including coral carbonate systems. Environmental threats are exacerbated by human development stressors as well: growing populations, dependency on marine resources, and unsustainable practices invaluable marine ecosystems at risk. Tanzania’s coral reef system extends for 3580 km2 (Muhando et al. 2008) near the Tanga region, serving over half a million people who are highly dependent on fishing and other marine resources as their livelihoods (Samoilys et. al. 2008). With Tanzania’s population rapidly growing, the unsustainable pressure on coral reefs for sustenance and livelihood …
Automated Detection Of Deep-Sea Animals, Dallas J. Hollis, Duane Edgington, Danelle Cline
Automated Detection Of Deep-Sea Animals, Dallas J. Hollis, Duane Edgington, Danelle Cline
STAR Program Research Presentations
The Monterey Bay Aquarium Research Institute routinely deploys remotely operated underwater vehicles equipped with high definition cameras for use in scientific studies. Utilizing a video collection of over 22,000 hours and the Video Annotation and Reference System, we have set out to automate the detection and classification of deep-sea animals. This paper serves to explore the pitfalls of automation and suggest possible solutions to automated detection in diverse ecosystems with varying field conditions. Detection was tested using a saliency-based neuromorphic selective attention algorithm. The animals that were not detected were then used to tune saliency parameters. Once objects are detected, …
Summer 2015 Gis Analyst Internship At The Connecticut Department Of Energy & Environmental Protection, Old Lyme, Connecticut, Stuart R. Deland
Summer 2015 Gis Analyst Internship At The Connecticut Department Of Energy & Environmental Protection, Old Lyme, Connecticut, Stuart R. Deland
International Development, Community and Environment (IDCE)
I worked as the Geographic Information Systems (GIS) Internee for the Connecticut Department of Energy & Environmental Protection (CT DEEP) from May 18, 2015 through August 14th of the same year. I was stationed at the Old Lyme Field office and worked under the direct supervision of Deb Pacileo, my boss and GIS analyst for CT DEEP. My function in the agency was similar to my supervisor's as I had no single project that dominated my time, but was given a multitude of projects to create, edit, oversee, and produce. Some of these project included editing python scripts of former …
Since Time Immemorial: The Decline Of Columbia River Basin Salmon, Samuel J. Levin
Since Time Immemorial: The Decline Of Columbia River Basin Salmon, Samuel J. Levin
Young Historians Conference
Since Time Immemorial: The Decline of Columbia River Basin Salmon studies the near extinction of what has been historically the world’s largest salmon population. By examining the issue systemically, my paper reveals that the environmental misjudgments that have brought the salmon so near extinction are not isolated, but rather are the product of cultural trends. A study of these misjudgments reveals a culture within the Columbia Basin that has, since the mid-19th century, sought expansion for expansion’s sake and valued short-term wealth over long-term sustainability. My paper illustrates how his philosophy has guided and continues to guide Columbia Basin …
Relations Between Stream Chemistry, Fish Diversity, And Land Use In The Upper Little Miami Watershed, Connor J. Gilmour, Randy Howell, David Paulding, Charles W. Reynolds, Mark A. Gathany
Relations Between Stream Chemistry, Fish Diversity, And Land Use In The Upper Little Miami Watershed, Connor J. Gilmour, Randy Howell, David Paulding, Charles W. Reynolds, Mark A. Gathany
The Research and Scholarship Symposium (2013-2019)
Streams are susceptible to numerous threats to their water quality and biodiversity. In southwest Ohio a major driver of these impacts is associated with current agricultural practices and associated legacy effects. These structural and chemical impacts are known to affect biodiversity in these streams. The objective of this study was to document and examine relationships among land-use/land cover, stream chemistry, and fish diversity in the headwaters streams of the Little Miami Watershed. Three streams (Little Miami River, Massies Creek - North Fork, and Massies Creek - South Fork) were sampled in the upper headwaters as well as downstream. Air and …
Questioning Ecosystem Assessment And Restoration Practices In A Major Urban Estuary: Perpetuating Myths Of Degradation In Spite Of Facts, John T. Tanacredi Ph.D., Martin P. Schreibman, Kevin Mcdonnell
Questioning Ecosystem Assessment And Restoration Practices In A Major Urban Estuary: Perpetuating Myths Of Degradation In Spite Of Facts, John T. Tanacredi Ph.D., Martin P. Schreibman, Kevin Mcdonnell
Faculty Works: CERCOM
The Jamaica Bay ecosystem is a dichotomy. It encompasses more than 12,000 acres of coastal estuarine marshes and an ecological diversity rivaling any coastal environment in the world. It is considerably altered, and is affected by a variety of ecological insults directly related to the fact that more than 14 million people live in its vicinity. Environmental protection institutions responded to the challenge of protecting the bay, surrounding wetlands and recreational benefits by addressing the increasing load of contaminants into the ecosystem. Billions of dollars have been spent during the past five decades on restoration attempts, including upgrading wastewater treatment …
Biodiversity And You., Garth Woodruff
Gascoyne Demersal Scalefish Managed Fishery, Department Of Fisheries
Gascoyne Demersal Scalefish Managed Fishery, Department Of Fisheries
Fisheries occasional publications
An operators’ guide to the management arrangements 1 September 2015 – 31 August 2016.
Connecting Rivers For Healthy Ocean Fisheries, Catherine Schmitt
Connecting Rivers For Healthy Ocean Fisheries, Catherine Schmitt
Maine Sea Grant Publications
Across Maine, communities and land owners are reconnecting rivers and streams by improving road crossings, fixing broken culverts, and removing dams and other barriers. There are many reasons for doing this work, including preventing costly repairs associated with flooding and washouts, enhancing water quality, increasing wildlife habitat, and restoring fish populations. Connecting Rivers explores some of the ways that streams connect inland lakes and forests and the sea. This first fact sheet in the series focuses on connections between populations of migratory river fish (alewives and blueback herring) and groundfish (e.g., cod).
Genetic Structure And Diversity Of Channel Catfish (Ictalurus Punctatus) In Three Large Midwestern Rivers, Vaclav Alexei Sotola
Genetic Structure And Diversity Of Channel Catfish (Ictalurus Punctatus) In Three Large Midwestern Rivers, Vaclav Alexei Sotola
Masters Theses
Little information is available regarding the genetic structure and diversity of sportfishes in large rivers, which can be vital to continuing the sustainable exploitation of these fisheries. Additionally, impoundments often have vast impacts on riverine systems. These impacts include altering the flow regime, changing the nutrient load, and preventing migratory fish from reaching their spawning grounds. If fishes are prevented from reaching their spawning grounds, their genetic diversity and structuring could begin to change relative to historic measures, potentially decreasing their fitness and ability to survive. I screened microsatellite loci to assess the genetic population structure and diversity of channel …
Two New Species Of Geosesarma De Man, 1892 (Crustacea: Brachyura: Sesarmidae) From Palawan, The Philippines, Hendrik Freitag, Marivene Manuel-Santos, Peter K.L Ng
Two New Species Of Geosesarma De Man, 1892 (Crustacea: Brachyura: Sesarmidae) From Palawan, The Philippines, Hendrik Freitag, Marivene Manuel-Santos, Peter K.L Ng
Biology Faculty Publications
Two new and relatively large species of semi-terrestrial sesarmid crabs of the genus Geosesarma De Man, 1892, are described from Palawan Island, Philippines. They are distinguishable from congeners by the characteristic structure of their carapace, chelipeds, ambulatory legs and male first gonopods. Aspects of their ecology are briefly discussed