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Articles 1 - 13 of 13
Full-Text Articles in Life Sciences
No Ordinary Fish Tale: Working Toward A Transnational Solution To The Cod Crisis In The Gulf Of Maine, Michael Ruderman
No Ordinary Fish Tale: Working Toward A Transnational Solution To The Cod Crisis In The Gulf Of Maine, Michael Ruderman
Indiana Law Journal
In response to a National Oceanic and Atmospheric Administration (NOAA) survey that showed “record-low levels of abundance” of groundfish in the Gulf of Maine (“Gulf”), local fisherman Brian Pearce asserted: “It concerns [me] that what [NOAA is] saying and what we [the local fishermen] are seeing is such a contrast . . . . Who sees more fish in the ocean than the fishermen?” Despite Mr. Pearce’s skepticism, the state of the cod fishery in the Gulf of Maine—home to “critical” and “legendary" fishing grounds in Canadian and American territories—is, in fact, dire. According to the NOAA survey, conducted in …
Maturity Characteristics Of Pacific Saury During Fishing Season In The Northwest Pacific, Wen-Bin Huang, Yu-Chun Huang
Maturity Characteristics Of Pacific Saury During Fishing Season In The Northwest Pacific, Wen-Bin Huang, Yu-Chun Huang
Journal of Marine Science and Technology
Pacific saury is a commercially important fish in the Northwest Pacific. This study examined the maturity characteristics, gonadosomatic index (GSI), condition factor (CF), and ovarian developmental stage of the saury stock in three months of the fishing season (from May to December) in the Northwest Pacific. The maturity characteristics of saury varied among these three months (May, July, and October) in 2009. In May, large GSI and CF values with advanced ovarian developmental stages but small knob lengths (KnL) and body weights (BW) were found. Also in this month, the large-sized saury (> 29 cm) possessed large GSI values and …
Viewing The Status Of Virginia’S Environment Through The Lens Of Freshwater Fishes, Paul L. Angermeier, Michael J. Pinder
Viewing The Status Of Virginia’S Environment Through The Lens Of Freshwater Fishes, Paul L. Angermeier, Michael J. Pinder
Virginia Journal of Science
We summarize a range of topics related to the status of Virginia’s freshwater fishes, their reflection of environmental quality, and their contribution to human wellbeing. Since 1994 the list of extant Virginia fishes has lengthened from 210 species to 227 species, mostly due to taxonomic reorganizations. Virginia’s list of Species of Greatest Conservation Need currently contains 96 fish species, predominated by darters (32 species) and minnows (28 species). Increasing trends in species rarity and threats to fishes suggest that Virginia’s aquatic environment is becoming less hospitable for fishes. Prevailing anthropogenic threats to fishes include agriculture, urban development, mineral extraction, forestry, …
Cpue Standardization And Catch Estimate Of Blue Shark By Taiwanese Large-Scale Tuna Longline Fishery In The North Pacific Ocean, Wen-Pei Tsai, Chi-Lu Sun, Kwang-Ming Liu, Shyh-Bin Wang, Nancy C. H. Lo
Cpue Standardization And Catch Estimate Of Blue Shark By Taiwanese Large-Scale Tuna Longline Fishery In The North Pacific Ocean, Wen-Pei Tsai, Chi-Lu Sun, Kwang-Ming Liu, Shyh-Bin Wang, Nancy C. H. Lo
Journal of Marine Science and Technology
The blue shark, Prionace glauca, is a pelagic species with a circum-global distribution in tropical to temperate waters. It is the top by-catch shark species for the Taiwanese large-scale tuna longline (LTLL) fishery. However, its population status in the North Pacific Ocean is still little known. In the present study, the blue shark catch and effort data from observers' records of Taiwanese LTLL fishing vessels operating in the North Pacific Ocean from 2004 to 2012 were analyzed. Due to the large percentage of zero blue shark catch, the catch per unit effort (CPUE) of blue shark, as the number of …
Morning Memory, Dennis Damon
Ghostshipping, Margot A. Kelley
Yesterday's Edges: Land, Sea, Sky, Ellen Goldsmith
Editor's Note, Linda Buckmaster
Section Abstracts: Agriculture, Forestry And Aquaculture
Section Abstracts: Agriculture, Forestry And Aquaculture
Virginia Journal of Science
Abstracts of the Agriculture, Forestry and Aquaculture Section for the 93rd Annual Virginia Academy of Science Meeting, May 2015, at James Madison University
Life-History Aspects Of Moxostoma Cervinum (Blacktip Jumprock) In The Roanoke River, Virginia, Dezarai A. Thompson, John S. Bentley, Steven L. Powers
Life-History Aspects Of Moxostoma Cervinum (Blacktip Jumprock) In The Roanoke River, Virginia, Dezarai A. Thompson, John S. Bentley, Steven L. Powers
Virginia Journal of Science
Life-history aspects of Moxostoma cervinum(Blacktip Jumprock) were identified using specimens from recent collections and the Roanoke College Ichthyological Collection. The largest specimen examined was a female 161.27 mm SL and 66 months of age. Spawning appears to occur in May, with a mean of 2477.6 oocytes (SD = 2825.3) up to 1.54 mm diameter in gravid females. Sexual maturity appears to occur by 1-2 years of age in males and 2-3 years of age in females. Male to female ratio was not significantly different from 1:1. Chironomidae composed the bulk of the diet; while detritus, Trichoptera, Ephemeroptera, and Acari …
Length–Weight And Length–Length Relationships Of The Hogfish, Lachnolaimus Maximus, Off The Northern Coast Of The Yucatan Peninsula, Mexico, Juan E.B. Pérez-Chacón, Alfonso Aguilar-Perera
Length–Weight And Length–Length Relationships Of The Hogfish, Lachnolaimus Maximus, Off The Northern Coast Of The Yucatan Peninsula, Mexico, Juan E.B. Pérez-Chacón, Alfonso Aguilar-Perera
Gulf and Caribbean Research
Described are the length-weight (LWR) and length-length (LLR) relationships of the Hogfish, Lachnolaimus maximus, off the northern Yucatan Peninsula, Mexico. Fish specimens collected (N = 292) with speargun from April to September each year from 2011 through 2013, ranged in size from 16.6-36.5 cm FL and 94-842 g in weight. There were significant differences in hogfish fork length between years (F2,291 = 11.28, p < 0.05), with larger individuals found in 2012. The LWRs calculated were highly significant (p < 0.05, r2 = 0.95 - 0.97; pooled data r2 = 0.95) and significant differences between the slopes of the LWRs (F5,291 = 245.94, p < 0.05) between the three years were detected. Exponent b in the LWRs (2.33 -2.70; pooled data 2.58) …