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Articles 181 - 210 of 283

Full-Text Articles in Marine Biology

Fisheries Management Paper No 274 - Finfish Resources Of The Peel-Harvey Estuary - Harvest Strategy 2015-2020 (Version 1.0), Department Of Fisheries, Western Australia May 2015

Fisheries Management Paper No 274 - Finfish Resources Of The Peel-Harvey Estuary - Harvest Strategy 2015-2020 (Version 1.0), Department Of Fisheries, Western Australia

Fisheries Management Papers

WEST COAST ESTUARINE MANAGED FISHERY (AREA 2)

Harvest strategies for aquatic resources managed by the Western Australian Department of Fisheries (the Department) are formal documents prepared to support the decision-making processes required to ensure the management of these resources are consistent with the principles of Ecologically Sustainable Development (ESD). The objectives of ESD are reflected in the objects of the Fish Resources Management Act 1994 (FRMA), Section 3, and the draft Aquatic Resources Management Bill 2013 (ARMB), Clause 9, which will replace the FRMA once enacted.

The publication of these strategies is intended to make the decision-making considerations and processes …


Magnetic Island Marine Park Zones: Effects Of Fishing Restrictions On Predatory Reef Fish Populations, Casey Wilson Apr 2015

Magnetic Island Marine Park Zones: Effects Of Fishing Restrictions On Predatory Reef Fish Populations, Casey Wilson

Independent Study Project (ISP) Collection

Over the past several decades industrialized fishing practices have decimated fish stocks worldwide. Top-down trophic cascades have occurred within many marine ecosystems as top predators are removed. Numerous regions world wide are being designated as marine park “no-take” zones in order to aid in the recovery of these species and with the hope that surplus population will spillover into unprotected zones..

This study aimed to determine if there were significant differences in abundances of three major families of predatory reef fish (Serranidae, Lutjanidae, and Lethrinidae) between fringing reefs located in four bays of various zones around Magnetic Island, QLD. Data …


Fauna Census Of Intertidal Cliffs, Mangapwani, Zanzibar, Emily Jankowski Apr 2015

Fauna Census Of Intertidal Cliffs, Mangapwani, Zanzibar, Emily Jankowski

Independent Study Project (ISP) Collection

Due to their extreme variations in condition over the course of a day, intertidal zones are challenging environments. Organisms that live there must be prepared to cope with both exposure and submersion, not to mention the temperature variations that accompany these conditions. The differing tolerances and adaptations of various organisms to these conditions generally cause patterns of vertical zonation to occur in the intertidal zone, especially when the shore is steep and rocky. Understanding the ecology of shore environments is important to future conservation and management efforts. This study was conducted on a beach in Mangapwani, Zanzibar at at 6˚ …


Marine Animalia Organism Diversity And Reef Condition On Two Reef Sites At Big Creek Beach And Boca Del Drago, Bocas Del Toro, Panamá, Bri Tiffany Apr 2015

Marine Animalia Organism Diversity And Reef Condition On Two Reef Sites At Big Creek Beach And Boca Del Drago, Bocas Del Toro, Panamá, Bri Tiffany

Independent Study Project (ISP) Collection

Ocean acidification, climate change, overfishing, and coastal development are endangering coral reefs across the globe. In Bocas del Toro, Panamá, coral reefs are especially threatened by the rapid growth in tourism and the subsequent anthropogenic effects caused by an increased human presence. To evaluate reef condition in this area, a study comparing percent coverage of live and dead coral as well as the diversity of marine Animalia organisms was conducted at one reef site in Big Creek beach and one reef site in Boca del Drago, Isla Colón, Bocas del Toro. It was predicted that dead coral cover would be …


Fisheries Management Paper No.273 - Blue Swimmer Crab Resource Of The Peel-Harvey Estuary Harvest Strategy, 2015-2020. Version 1.0, Department Of Fisheries, Western Australia Apr 2015

Fisheries Management Paper No.273 - Blue Swimmer Crab Resource Of The Peel-Harvey Estuary Harvest Strategy, 2015-2020. Version 1.0, Department Of Fisheries, Western Australia

Fisheries Management Papers

Harvest strategies for aquatic resources managed by the Western Australian Department of Fisheries (the Department) are formal documents prepared to support the decision-making processes required to ensure the management of these resources are consistent with the principles of Ecologically Sustainable Development (ESD). The objectives of ESD are reflected in the objects of the Fish Resources Management Act 1994 (FRMA), Section 3, and the draft Aquatic Resources Management Bill 2013 (ARMB), Clause 9, which will replace the FRMA once enacted.

The publication of these strategies is intended to make the decision-making considerations and processes for the management of specified aquatic resources …


The Pelagic Artisanal Fishing Of Mangapwani, Northern Unguja, Shavonne Stanek Apr 2015

The Pelagic Artisanal Fishing Of Mangapwani, Northern Unguja, Shavonne Stanek

Independent Study Project (ISP) Collection

A total of 99 interviews were conducted. Over a period of 28 days from April 5- May 2, 2015, a total of 75 interviews were conducted with 72 fishermen, 2 drying processors and 1 Bwana Diko. During a 5 day preliminary period from March 12-16, 2015, a total of 24 interviews were conducted with 7 fishermen and 14 drying processors. The interviews focused on their work in the local fishing industry, the amount of fish caught and dried, and their opinions on the sustainability of their industry. The interviews were conducted using a translator who relayed the responses in English …


Fish Use Of Largely Unexplored Sub-Tidal Habitats In The Hinchinbrook Channel Estuary, Queensland, Alexandra Parisien Apr 2015

Fish Use Of Largely Unexplored Sub-Tidal Habitats In The Hinchinbrook Channel Estuary, Queensland, Alexandra Parisien

Independent Study Project (ISP) Collection

This study examines the use of sub-tidal open-bottom, rocky, and seagreass habitats by the Siganus genus (herbivores), Gerres genus (benthivores), and planktivores in the Hinchinbrook Channel Estuary in Queensland, Australia. The Hinchinbrook Channel Estuary, a tropical estuary cutting between Hinchinbrook Island and the Australian mainland, is surrounded primarily by mangroves. Its sub-tidal habitats are largely unexplored due to factors such as low visibility and the presence of estuarine crocodiles. In this study, I reviewed 699 underwater videos collected by James Cook University PhD candidate Michael Bradley in order to analyze feeding and movement behavior of pre-identified fish.

The results of …


Behavioral Response Of Pacific Lamprey (Entosphenus Tridentatus) To Predator Odors, Laurie L. Porter Jan 2015

Behavioral Response Of Pacific Lamprey (Entosphenus Tridentatus) To Predator Odors, Laurie L. Porter

All Master's Theses

Pacific lamprey (Entosphenus tridentatus), a species facing serious threats to their existence, experience a number of challenges in reaching their desired spawning grounds during the adult migratory phase, and predators are suspected to be one of these challenges. Understanding if Pacific lamprey respond to predator odorants may provide a management tool for use in conjunction with attractants in guiding lamprey to suitable spawning habitat and deterring them from poor habitat. Previous research has failed to explore Pacific lamprey response to predator odorants, although much research exists on attractant odorants. In our study, we tested Pacific lamprey response to …


Carbon Storage And Preservation In Seagrass Meadows, Mohammad Rozaimi Jamaludin Jan 2015

Carbon Storage And Preservation In Seagrass Meadows, Mohammad Rozaimi Jamaludin

Theses: Doctorates and Masters

Seagrass meadows are important ‘Blue Carbon’ sinks but many questions remain unaddressed in regards to the organic carbon (OC) sequestration capacity and processes leading to retention and persistence of OC in seagrass sediments. The research summarised in this dissertation examined 37 sediment cores from twelve Australian seagrass meadows (Posidonia australis and Halophila ovalis) in order to improve our understanding of OC storage and preservation in seagrass sediments. The research: quantified the OC storage in seagrass meadows and the reduction in stores after ecosystem degradation; the rates of OC accumulation; the roles of species composition and the depositional nature …


Examining Predation As A Possible Means Of Controlling Crown-Of- Thorns Starfish (Acanthaster Planci) Outbreaks On Reefs Around Lizard Island, Australia, Amanda Chan Dec 2014

Examining Predation As A Possible Means Of Controlling Crown-Of- Thorns Starfish (Acanthaster Planci) Outbreaks On Reefs Around Lizard Island, Australia, Amanda Chan

Independent Study Project (ISP) Collection

Since the world’s coral reefs are currently threatened by a variety of different natural and anthropogenic factors, research on protecting coral reefs is pivotal to protect these diverse ecosystems. However, only Indo-Pacific reefs such as the Great Barrier Reef are dying due to a corallivorous echinoderm threat known as the Crown-of-Thorns Starfish (Acanthaster planci). A. planci is a starfish which feeds on coral tissue and can quickly reduce coral cover on a reef during an outbreak. Although scientists are still unsure as to what causes these outbreaks, one suggestion is the predator-removal theory. The predator removal-theory states that major predators …


Fisheries Management Paper No.266 - Exmouth Gulf Prawn Managed Fishery Bycatch Action Plan 2014-2019. Version 1.0, Department Of Fisheries, Western Australia Nov 2014

Fisheries Management Paper No.266 - Exmouth Gulf Prawn Managed Fishery Bycatch Action Plan 2014-2019. Version 1.0, Department Of Fisheries, Western Australia

Fisheries Management Papers

Bycatch is described as the part of the catch which is returned to the sea (usually referred to as non-retained or discarded) either because it has no commercial value or because legislative requirements preclude it being retained. Thus, this Bycatch Action Plan (BAP) includes unmarketable finfish and invertebrate species, along with endangered, threatened and protected (ETP) species, such as marine mammals, reptiles and some elasmobranchs.

It is Government policy to minimise bycatch in all commercial fisheries. This BAP details a program of actions to address bycatch issues in the Exmouth Gulf Prawn Managed Fishery (EGPMF), in accordance with the EGPMF …


Fisheries Management Paper No.265 - Exmouth Gulf Prawn Managed Fishery Harvest Strategy 2014 - 2019 Version 1.0, Department Of Fisheries Western Australia Nov 2014

Fisheries Management Paper No.265 - Exmouth Gulf Prawn Managed Fishery Harvest Strategy 2014 - 2019 Version 1.0, Department Of Fisheries Western Australia

Fisheries Management Papers

This fishery-specific harvest strategy has been developed in line with the Department of Fisheries' (Department) over-arching Harvest Strategy Policy for Aquatic Resources (Department of Fisheries in prep.) and in consultation with licensees. The broad scope of the Harvest Strategy Policy for Aquatic Resources is consistent with the National Harvest Strategy Guidelines but as well as considering all retained target species, it also incorporates retained non-target species, bycatch' and other ecological components to ensure the risks to these elements are managed effectively.

The Exmouth Gulf Prawn Managed Fishery (EGPMF) harvest strategy outlines the longand short-term fishery-specific management objectives; a description of …


Modeling Maine’S Rockweed Harvest, Meagan Hennessey Aug 2014

Modeling Maine’S Rockweed Harvest, Meagan Hennessey

Journal of Environmental and Resource Economics at Colby

Currently, Maine is in a political struggle over the best way to manage the harvesting of Rockweed, or Ascophyllum nodosum. As the dominant macro algae along the state’s rocky intertidal zone it supports over 150 different species, meaning its loss could impact food web stability, protection of endangered species, and support of economically viable harvests. This work takes parameters found in the literature to create a Stella model, which is then manipulated to explore the relative impact of possible management strategies. It is found that a strictly accurate model is not possible to create given the current biological knowledge and …


The Ontogeny Of Whistle Production In Infant Atlantic Bottlenose Dolphins (Tursiops Truncatus) During The First Thirty Days Of Life, Brittany Leigh Jones Aug 2014

The Ontogeny Of Whistle Production In Infant Atlantic Bottlenose Dolphins (Tursiops Truncatus) During The First Thirty Days Of Life, Brittany Leigh Jones

Master's Theses

The manner in which dolphin calves acquire their whistle repertoire is largely unknown. This paper focuses on whistle development in four bottlenose dolphin calves during the first thirty days of life in order to increase our understanding of the early emergence of whistles and whistle-like vocalizations. The acoustic parameters of whistle-type vocalizations (i.e., whistles and whistlesquawks) that coincided with a bubblestream emission from the focal calf and/or its mother were analyzed, as were the behavioral states of the mother-calf pair during the emission of such vocals. Mother and calf whistle rates are inversely related, with the mother whistling more often …


State Of The U.S. Ocean And Coastal Economies 2014, Judith T. Kildow, Charles S. Colgan, Jason D. Scorse, Pat Johnston, Matt Nichols Mar 2014

State Of The U.S. Ocean And Coastal Economies 2014, Judith T. Kildow, Charles S. Colgan, Jason D. Scorse, Pat Johnston, Matt Nichols

Publications

The nation's coasts and oceans contribute much to the United States economy. For the past 14 years, the National Ocean Economics Program (NOEP), now a program of the Center for the Blue Economy at the Monterey Institute of International Studies, has compiled time-series data that track economic activities, demographics, ports and cargo volume and value, natural resource production and value, non-market values, and federal expenditures in the U.S. coastal zone both on land and in the water. A report on the ocean and coastal economies of the United States was released by NOEP in 2009 covering data through 2005. The …


Coastal And Ocean Economic Summaries Of The Coastal States 2014, Pat Johnston Mar 2014

Coastal And Ocean Economic Summaries Of The Coastal States 2014, Pat Johnston

Publications

The following summaries of the ocean and coastal economies were prepared by the National Ocean Economics Program as a companion the State of the U.S. Ocean and Coastal Economies 2014. The U.S. report, its appendices, and these state summary reports are available on the NOEP website at www.OceanEconomics.org/download.


Economic Impact Of The Commercial Fisheries On Local County Economies From Catch In All California National Marine Sanctuaries 2010, 2011 And 2012, Vernon R. Leeworthy, Desiree Jerome, Kelsey Schueler Jan 2014

Economic Impact Of The Commercial Fisheries On Local County Economies From Catch In All California National Marine Sanctuaries 2010, 2011 And 2012, Vernon R. Leeworthy, Desiree Jerome, Kelsey Schueler

Working Papers

This report estimates the economic impact of commercial fishing within all California National Marine Sanctuaries (CA NMS) according to the California Ocean Fish Harvester Economic Model (COFHE). The methodology applies county multipliers to estimates of harvest revenue from CA NMS in order to calculate output, income, value added and employment. This report also describes a profile of the commercial fish industry in the CA NMS. CA NMS includes all existing National Marine Sanctuary sites in California: Channel Islands (CINMS), Monterey Bay (MBNMS), Cordell Bank (CBNMS) and Gulf of the Farallones (GFNMS).

The three-year average for 2010 to 2012 finds that …


The Role Of Underutilized Fish In New England's Seafood System, Taylor Witkin Jan 2014

The Role Of Underutilized Fish In New England's Seafood System, Taylor Witkin

Honors Theses

The global fisheries crisis has led to an increasing recognition for the need to relieve pressure on overfished, popular food fish stocks. Opportunities exist to shift consumer demand toward more sustainable choices, including fish that may be locally abundant. Attempts have been made to market underused fish (sometimes termed “trash fish”) that represent more sustainable alternatives; however, it is unclear whether consumers will choose to purchase these more sustainable options, particularly if underused fish are also unfamiliar. Chapter 1 reviews existing research and current issues surrounding sustainable seafood and the recent shift toward local, abundant, undervalued species in New England’s …


Kingswood Lake Management Plan, Sarah Martina Tierney Jan 2014

Kingswood Lake Management Plan, Sarah Martina Tierney

Honors Theses and Capstones

High water quality and natural buffers exist on Kingswood Lake located in Brookfield, New Hampshire. A comprehensive lakes inventory (CSI) was recorded and health of the land, wildlife, and waterways were observed. Educational outreach was taken to inform the local community and to instruct them on proper stewardship of the land. A completed watershed management plan was constructed including key recommendation of limiting nitrogen loading in the area, checking septic systems for leaching, stabilizing shoreline from erosion, and establishing man-made rain gardens to help preserve water quality. The Kingswood watershed management plan acts as a guide for the town of …


Internet Reviews: Smithsonian Ocean Portal, John Creech Oct 2013

Internet Reviews: Smithsonian Ocean Portal, John Creech

Library Scholarship

This column comprises a review of the Smithsonian Ocean Portal, an Internet resource created by Smithsonian Institution's Museum of Natural History.


Technical Appendix: Economic Impact Of Commercial Fisheries On Local County Economies From Catch In California National Marine Sanctuaries 2010, 2011 And 2012, Vernon R. Leeworthy, Desiree Jerome, Kelsey Schueler Sep 2013

Technical Appendix: Economic Impact Of Commercial Fisheries On Local County Economies From Catch In California National Marine Sanctuaries 2010, 2011 And 2012, Vernon R. Leeworthy, Desiree Jerome, Kelsey Schueler

Working Papers

This report documents the data and methods of estimation used in estimating the economic impact of commercial fishing catch from all four National Marine Sanctuaries in California on local county economies in terms of harvest revenue received by fishermen and the associated economic impacts, including multiplier impacts, on total output, value added, income and the number of full- and part-time jobs.

This report is part of a series of reports meeting the priorities in the “Office of National Marine Sanctuaries (ONMS) West Coast Region Socioeconomic Plan FY 2013 – FY 2014” and “national program priorities” on establishing the connection between …


Evaluation Of Current Community-Based Monitoring Efforts And Recommendations For Developing A Cohesive Network Of Support For Monitoring Long Island Sound Embayments., Jamie M.P. Vaudrey, Jamie Alonzo, Adrienne Esposito, Curt Johnson, Maureen Dolan Murphy, Charles Yarish Sep 2013

Evaluation Of Current Community-Based Monitoring Efforts And Recommendations For Developing A Cohesive Network Of Support For Monitoring Long Island Sound Embayments., Jamie M.P. Vaudrey, Jamie Alonzo, Adrienne Esposito, Curt Johnson, Maureen Dolan Murphy, Charles Yarish

Department of Marine Sciences

This project focuses on Long Island Sound embayments and represents an exploration of the potential for coordination among community-based water quality monitoring groups, and coordination between community-based groups and data end users, including scientists and managers. Community-based monitoring groups represent a potential valuable source of water quality information. The development of standardized protocols, training methods and reporting procedures will serve to provide end users with the confidence necessary to utilize the data collected as part of community-based monitoring programs. Both groups of stakeholders stand to benefit from this type of coordination with the ultimate benefit being a healthier, better understood …


Biofouling : A Means Of Aquatic Species Transfer, Anne Bouyssou, Josefin Madjidian Aug 2013

Biofouling : A Means Of Aquatic Species Transfer, Anne Bouyssou, Josefin Madjidian

NSBWO

Ships carry seawater in their ballast tanks when they are not fully loaded with cargo, in order to maintain adequate trim, draught and stability, adjust list and limit stresses on the hull. It is now well documented that the water pumped into the ship contains aquatic organisms – which can also sink to the sediments at the bottom of tanks – and that these organisms are thereby transferred from the port of origin to the destination. But it is seldom mentioned that aquatic organisms are also found on the outside of ships, attached on their hulls and appendages, as a …


Advocacy For Marine Management: Contributions To A Policy Advocacy Initiative In The Maldives, Neal Collins May 2013

Advocacy For Marine Management: Contributions To A Policy Advocacy Initiative In The Maldives, Neal Collins

Capstone Collection

On June 5, 2009 a 42-­‐km2 area of coral reef situated in the Alif Dhaalu (South Ari) atoll of the Republic of Maldives was designated the South Ari Atoll Marine Protected Area (S.A. MPA) due to a globally significant whale shark aggregation site. The whale shark is notorious for its gargantuan size and docile nature, which has led to a burgeoning tourist industry that gives people the opportunity to swim with the gentle giants in tropical sites such as the Maldives. The S.A. MPA receives tens of thousands of visitors a year that engage in whale shark excursions, however, there …


Accessing Learning In The Adult Zebrafish With A Novel Associative Learning Task, David Joseph Jouandot Ii May 2013

Accessing Learning In The Adult Zebrafish With A Novel Associative Learning Task, David Joseph Jouandot Ii

Dissertations

The zebrafish (Danio rerio) is accepted in the developmental and genomic communities as a model organism. However, the capacity for the zebrafish as a behavioral model has yet to be fully acknowledged. The research presented provides evidence validating the novel task, aids in gaining a better understanding of the learning processes, and identifies individual differences. The novel associative learning task differs from any present well established behavioral model and lends itself to future development. The task provides the zebrafish community with a high output behavioral task which is readily replicated and allows one researcher to test between eight …


Tactile Behavior In A Group Of Captive Rough-Toothed Dolphins As A Function Of Opportunities To Play With Objects, Kelly Ann Caffery May 2013

Tactile Behavior In A Group Of Captive Rough-Toothed Dolphins As A Function Of Opportunities To Play With Objects, Kelly Ann Caffery

Dissertations

Cetaceans live in complex physical and social environments that are frequently changing. In contrast, the captive environment for marine mammals is often lacking in stimulation. As a result, enrichment is often used to increase species-typical behaviors and enhance the well-being of the animals. The purpose of this study was to compare the effects of enrichment objects on the social behavior of a group of seven captive rough-toothed dolphins (Steno bredanensis). Observations of this species in the wild suggest it may have a particular affinity for tactile and object play behaviors. Therefore, these behavior categories were a primary focus …


Ocean Governance: The New Zealand Dimension Full Report, Michael Vincent Mcginnis Aug 2012

Ocean Governance: The New Zealand Dimension Full Report, Michael Vincent Mcginnis

Working Papers

The primary goal of this report is to provide interested members of the public and policymakers with a general overview and a description of the types of principles, planning tools, and policy instruments that can be used to strengthen and improve marine governance in New Zealand. As extractive uses (hydrocarbons and minerals, in particular) ramp up and others are explored and brought on line in the marine areas of New Zealand, the need will increase for a more integrative, ecosystem-based approach to marine governance.

This study is based on the following types of analysis:

• a review of the literature …


Big Blue And You: An Interdisciplinary Look At Science And The Ocean, A Students Teaching Students Course, Benjamin Negrete Jr., Megan Nepshinsky, Alexa Kretsch May 2012

Big Blue And You: An Interdisciplinary Look At Science And The Ocean, A Students Teaching Students Course, Benjamin Negrete Jr., Megan Nepshinsky, Alexa Kretsch

Senior Honors Projects

This class is the second project under the new Honors Program initiative, Students Teaching Students (STS). STS was brought to URI and implemented by Bridget Griffith as part of her Senior Honors Project in 2011. Students apply in their Junior year to design, research, and teach an honors course on a topic about which they are passionate. The STS program allows motivated honors students to have a unique opportunity to lead a class as student professors. This allows students a freedom of creativity on the topic, assignments, and teaching style. Drawing on our own experiences, we were able to create …


Spotlight On Usc: South Carolina Institute For Anthropology And Archaeology, Allison Marsh Jan 2012

Spotlight On Usc: South Carolina Institute For Anthropology And Archaeology, Allison Marsh

Section 4: Imaging the Concealed

No abstract provided.


Mapping The Ocean Frontier, Allison Marsh Jan 2012

Mapping The Ocean Frontier, Allison Marsh

Section 4: Imaging the Concealed

No abstract provided.