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Juan C. Levesque

Juan C. Levesque
Independent Researcher · Impact Assessment and Plannning

Ph.D.

About

39
Publications
4,290
Reads
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Citations
Introduction
Dr. Juan C. Levesque is an accomplished Marine Biologist who is certified by the American Fisheries Society as a Fisheries Professional. He has over 25 years of experience studying marine resources throughout the western North Atlantic Ocean. As a Marine Biologist, Dr. Levesque has held professional positions with non-profit organizations, state and federal governments, and small and large private environmental firms. Dr. Levesque has a Bachelor's Degree in Biology from the University of South Florida, a Master's Degree in Marine Biology from Nova Southeastern University, and a Ph.D. from the University of Texas at Arlington.

Publications

Publications (39)
Article
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Tips, setup, and gear descriptions for targeting African pompano.
Article
Bycatch is a major problem in most commercial fisheries around the world and is among the biggest challenges for fisheries managers tasked with conserving, protecting, and sustaining marine resources. Bycatch of protected species is particularly problematic because even small levels of bycatch mortality can hinder conservation efforts. The federall...
Technical Report
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The future of fisheries resources will depend upon the ability of natural resource managers to implement sustainable development measures. This historical perspective and knowledge gap is addressed for the country with one of the oldest and largest commercial fishery industries and most complex fishery management in the world. The best available in...
Article
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Oceanic environmental conditions influence, shape, and control the geographical range, spatial distribution, abundance, and size composition of marine fauna. Water temperature, salinity, dissolved oxygen, depth, and sediment type influence select fish life-history characteristics and community structure. Marine communities are vulnerable to major c...
Thesis
Full-text available
Natural resources are among the most valuable commodities on earth. Some natural resources (air, land, and water) are essential for human survival and many often constitute a large percentage of local, regional, and national economies, such as marine resources. Worldwide, marine resources have shaped culture, society, and local, regional, and globa...
Article
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The article describes basic life history about rays, provides an overview of current research, and gives tips on catching cobia given the symbiotic association between manta rays and cobia.
Article
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A magazine article about pelagic sharks; current science.
Article
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The management of highly migratory species (HMS) is a complex domestic and international system that was initially established to regulate HMS taken in commercial fisheries in the Atlantic Ocean. For managing HMS taken in recreational fisheries, the authority and the data required is lacking and remains to be stipulated by regulating bodies. In the...
Article
Full-text available
Bycatch of protected species in commercial fishing operations is a primary concern to fishery managers because it threatens the conservation, protection, and recovery of fragile species, such as the Atlantic sturgeon ( Acipenser oxyrinchus oxyrinchus ). One potential solution to reduce the risk associated with commercial fishing operations is to de...
Article
Full-text available
So you are interested in pursuing a career in fisheries science or marine biology? Take a look at the article the highlights a career in marine biology and in particular fisheries. Learn what it takes and what to expect in career as a fishery biologist.
Preprint
Full-text available
Bycatch of protected species in commercial fishing operations is a primary concern to fishery managers because it threatens the conservation, protection, and recovery of fragile species, such as the Atlantic sturgeon ( Acipenser oxyrinchus oxyrinchus ). One potential solution to reduce the risk associated with commercial fishing operations is to de...
Preprint
Full-text available
Bycatch of protected species in commercial fishing operations is a primary concern to fishery managers because it threatens the conservation, protection, and recovery of fragile species, such as the Atlantic sturgeon ( Acipenser oxyrinchus oxyrinchus ). One potential solution to reduce the risk associated with commercial fishing operations is to de...
Article
Full-text available
The Ganges River dolphin (Platanista gangetica gangetica) (GRD) is classified as one of the most endangered of all cetaceans in the world and the second scarcest freshwater cetacean. The population is estimated to be less than 2,000 individuals. In Nepal’s Narayani, Sapta Koshi, and Karnali river systems, survival of GRD continues to be threatened...
Data
Appendix 1. An overview of fishing gear use in Narayani, Sapta Koshi, and Karnali rivers
Article
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Ladyfish ( Elops sp) are a common and economically valuable coastal nearshore species found along coastal beaches, bays, and estuaries of the southeastern United States, and subtropical and tropical regions worldwide. Previously, ladyfish were a substantial bycatch in Florida’s commercial fisheries, but changes in regulations significantly reduced...
Preprint
Full-text available
Ladyfish ( Elops sp) are a common and economically valuable coastal nearshore species found along coastal beaches, bays, and estuaries of the southeastern United States, and subtropical and tropical regions worldwide. Previously, ladyfish were a substantial bycatch in Florida’s commercial fisheries, but changes in regulations significantly reduced...
Preprint
Full-text available
Ladyfish ( Elops sp) are a common and economically valuable coastal nearshore species found along coastal beaches, bays, and estuaries of the southeastern United States, and subtropical and tropical regions worldwide. Previously, ladyfish were a substantial bycatch in Florida’s commercial fisheries, but changes in regulations significantly reduced...
Preprint
Full-text available
The Ganges River dolphin (Platanista gangetica gangetica) (GRD) is classified as one of the most endangered of all cetaceans in the world and the second scarcest freshwater cetacean. The population is estimated to be less than 2,000 individuals. In Nepal’s Narayani, Sapta Koshi, and Karnali river systems, survival of GRD continues to be threatened...
Preprint
Full-text available
The Ganges River dolphin (Platanista gangetica gangetica) (GRD) is classified as one of the most endangered of all cetaceans in the world and the second scarcest freshwater cetacean. The population is estimated to be less than 2,000 individuals. In Nepal’s Narayani, Sapta Koshi, and Karnali river systems, survival of GRD continues to be threatened...
Article
Full-text available
A magazine article describing swordfish basic life-history.
Article
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Commercial and recreational fisheries within the Mid-Atlantic Bight are an important component of the local and national economy. In 2010, commercial fisheries in New Jersey ranked sixth in value ($177,935,588) and eighth in landings (73,406 mt) in the United States. The estimated number of recreational fishing trips in New Jersey ranged from 5.4 m...
Article
Full-text available
Marine fish are among the most challenging type of wildlife to examine in the field given their expansive range, spatial and temporal distribution, and specific early life-history traits. Different researchers have investigated the catch efficiency of various sampling gears and techniques; however, field-sampling information is mostly unavailable f...
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Levesque, J. C. 2011. Commercial fisheries in the northwestern Gulf of Mexico: possible implications for conservation management at the Flower Garden Banks National Marine Sanctuary. – ICES Journal of Marine Science, 68: 2175–2190. Marine resource managers designate marine protected areas (MPAs) to conserve, protect, and enhance fragile marine reso...
Article
Full-text available
The demand on our marine resources is increasing at unsustainable rates; however, marine policy and management is complex, political, and time consuming. One tool that resource managers in the United States use for managing, protecting, and conserving fragile marine resources is the designation of Marine Protected Areas. Presently, the public is co...
Article
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Understanding a species life history is fundamental for managing and conserving a population. Despite the importance of this type of information, research attention is often directed at species with the highest economic value. This funding approach is problematic for preserving diversity and rarely considers ecological systematic functions; it prev...
Article
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Natural Resource management is evolving toward ensuring sustainable ecosystems rather than sustainable yields. Understanding how a species interacts with its environment is fundamental for sound ecosystem management. If we are progressing toward an ecosystem management approach, then we must first understand how a species interacts with its environ...
Article
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"Wildlife and fisheries management are based upon economics: the law of supply and demand controls the direction of commercial fisheries. In the U.S. pelagic longline fishery, one example of a bycatch species that has received little research attention because of its lower economic value is the escolar (Lepidocybium flavobrunneum). Given its import...
Article
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Today, ocean and coastal marine resource management is extremely complex. Marine resource managers are charged with conserving and managing many diverse species. Southern kingfish (Menticirrhus americanus), commonly known as whiting, are found from southern New England to Florida. During the fall through winter, western North Atlantic right whales...
Article
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A vital component of marine policy is the conservation and management of diverse marine resources. In the southeastern US, commercial fishermen target black sea bass (Centropristis striata) with pots from North Carolina to Cape Canaveral, Florida. During the fall through spring fishing season, western North Atlantic right whale (Eubalaena glacialis...
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To properly manage world fisheries, especially highly migratory species, there are numerous treaties that have been implemented by specialized international fishery commissions. One of the oldest organizations is the International Commission for the Conservation of Atlantic Tunas (ICCAT). The main focus of this review was to summarize the history,...
Article
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Crocodile shark (Pseudocarcharias kamoharai) has a broad distribution across the world's oceans, but is a rare catch in most commercial fisheries. In some geographic areas, crocodile shark is an abundant bycatch of pelagic longline fisheries. Limited crocodile shark biological and fishery information is available to date. We analyzed worldwide pela...

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