Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 13 of 13 for “"Longnose"”.
-
Aspects Of Reproduction And Diet In A Coastal South Carolina Population Of Longnose Gar, Lepisosteus Osseus
<p>Longnose gar (Lepisosteus osseus) were collected opportunistically during the South Carolina Department of Natural Resources (SCDNR) Anadromous Fish Group monitoring program for shad (Alosa sapidissima) and sturgeon (Acipenser brevirostrum and Acipenser oxyrinchus) during Jan-Jul 2007 and …
-
A Biological Assessment of Four Northern Black Hills Streams and the Reproductive Success of Longnose Dace (Rhinichthys cataractae)
… and reproductive competency of longnose dace (Rhinichthys cataractae). Fish and anuran species richness were also determined. Whitewood Creek biota were compared to three adjacent streams: Bear Butte Creek, Spearfish Creek, and Crow Creek. Macroinvertebrate communities were …
-
Mercury Concentrations in Fish from the Guadalupe River, Texas: Relationships with Body Length and Trophic Position
… were higher in top predators including longnose gar, flathead catfish, and striped bass, and lower in moderate and low trophic level fishes, including Mexican tetra, threadfin shad, and suckermouth catfish. Within the five sites examined, the average Hg concentration in each species was …
-
How sustainable are elasmobranch catches in Canadian pacific commercial fisheries?
… Spotted Spiny Dogfish, Big Skate, and Longnose Skate. Catch retention changed little over the last 30 years, with an average of three-quarters of the catch being retained. 1,824,792 individual elasmobranchs were annually intercepted within the past decade (2003-2013). In this past …
-
Relative Abundance, Distribution, and Life Histories of Fish Species in the Colville River Watershed, Stevens County, Washington
… peamouth (>0.1%), northern pikeminnow (0.3 %), longnose dace (3.4 %), Umatilla dace (3.8 %), speckled dace (14.7%), redside shiner (13.7%), tench (0.3 %), longnose sucker (1.7 %), bridgelip sucker (>0.1%), largescale sucker (1.2%), lake whitefish (>0.1%), mountain whitefish (0.3 %), westslope …
-
Conservation Genetics of Gar (Atractosteus spp.)
… spatula</em> with <em>Lepisosteus osseus</em> (longnose gar) and <em>L. oculatus</em> (spotted gar) was investigated by genotyping morphologically suspect individuals. Finally, microsatellite loci originally identified in <em>A. spatula</em> were cross-amplified in <em>A. tropicus</em> (tropical …
-
Daphnia Diel Vertical Migration and Chemical Cues from Fish Predators
… (bluegill sunfish), Lepisosteus osseus (longnose gar), and Pimephales promelas (fathead minnow). Light had a significant effect on lowering Daphnia position in the last set of trials and limited data suggest this light effect was limited to columns containing water from bluegill sunfish …
-
Sampling the Local Fare: Fishes at the Sam Israel House Pit (45GR76), Soap Lake, Washington
… (tui chub, bridgelip sucker, largescale sucker, longnose sucker, and Chinook salmon). Order Cypriniformes (sucker and minnow) bones outnumber Family Salmonidae (salmon/trout) bones (64%/36%) at the site, and sucker specimens outnumber minnows (81%/19%). The majority of specimens were broken …
-
Non-lethal methods for assessing the health and status of fish species of conservation concern.
… loss and harvest oriented fishing, and the Longnose Gar Lepisosteus osseus a commonly occurring ubiquitous relative of Alligator Gar. This dissertation examines commonly used endpoints in ecology and ecotoxicology studies from non-lethally collected fin, muscle biopsy, and pectoral fin rays, …
-
THE WORLD ACCORDING TO GARS: THE MOLECULAR SYSTEMATICS AND COMPARATIVE PHYLOGEOGRAPHY OF LIVING GARS (ACTINOPTERYGII: LEPISOSTEIDAE)
… unusual gars in eastern Wisconsin. The longnose gar, <italic>Lepisosteus osseus<italic>, and the shortnose gar <italic>Lepisosteus platostomus<italic> are native to Wisconsin. In the Fox and Wolf River systems in eastern Wisconsin there is a third form that superficially resembles the …
-
Fish Community Assembly in the Forest River, North Dakota, and Resolution of Campostoma Species Presence
… that were 55–85 cm deep. Largescale stoneroller, longnose dace, creek chub, and fathead minnows were usually found in riffle macrohabitats that was 15–35 cm deep. Water velocity for the riffle species was generally slower (15–65 cm/s) than for the run species (65 cm/s). Each species has a specific …
-
Upper Missouri River Basin Aquatic GAP Fish Distribution Model Accuracy Assessment and White Sucker, Catostomus commersonii, Population Characteristics in the Upper Missouri River Basin
… unidentified Hybognathus spp. (9.8%), and longnose dace Rhinichthys cataractae (7.8%) were the dominant species. Important findings include: the first record of the plains minnow, Hybognathus placitus, in Canadian waters, specifically the Rock Creek drainage; and the first fish survey in …