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41 results for “Mississippi River”
Subspecies and Distribution. S. p. putorius Linnaeus, 1758 — E & SE USA (Mississippi, Alabama & N Florida, through Georgia, N to SC Pennsylvania). S. p. ambarvalis Bangs, 1898 — SE USA (Peninsular Florida). S. p. interrupta Rafinesque, 1820 — USA (Canadian border in Minnesota, C North Dakota, E Wyoming, E Colorado, W Oklahoma, NW Texas, south to C Texas, and east to the Mississippi River along Louisiana, Arkansas, Missouri & Iowa, up to Wisconsin. in Mephitidae
Subspecies and Distribution. S. p. putorius Linnaeus, 1758 — E & SE USA (Mississippi, Alabama & N Florida, through Georgia, N to SC Pennsylvania). S. p. ambarvalis Bangs, 1898 — SE USA (Peninsular Florida). S. p. interrupta Rafinesque, 1820 — USA (Canadian border in Minnesota, C North Dakota, E Wyoming, E Colorado, W Oklahoma, NW Texas, south to C Texas, and east to the Mississippi River along Louisiana, Arkansas, Missouri & Iowa, up to Wisconsin.
Subspecies and Distribution. B.c.carolinensisBachman,1837—SEUSA,EoftheMississippiRiver(SIllinois,WKentucky,WTennessee,Mississippi,SELouisiana,SAlabama,SGeorgia,NFlorida,SouthCarolina,ENorthCarolina,andSEVirginia). B. c. minima Lowery, 1943 — SE USA, W of the Mississippi River (SE Missouri, Arkansas, most of Louisiana, and E Texas). in Soricidae
Subspecies and Distribution. B.c.carolinensisBachman,1837—SEUSA,EoftheMississippiRiver(SIllinois,WKentucky,WTennessee,Mississippi,SELouisiana,SAlabama,SGeorgia,NFlorida,SouthCarolina,ENorthCarolina,andSEVirginia). B. c. minima Lowery, 1943 — SE USA, W of the Mississippi River (SE Missouri, Arkansas, most of Louisiana, and E Texas).
FIG. 2 in Spatial, Seasonal, and Sexual Variation in the Diet of Graptemys flavimaculata, a Threatened Turtle of the Pascagoula River System, Mississippi, USA
FIG. 2. Diets of male and female Graptemys flavimaculata from the Leaf (LR) and lower Pascagoula Rivers (PR) by season (Spring—dark gray, Summer—black, Fall—light gray). Prey items are sorted alphabetically with minor items not included.
FIG. 1 in Spatial, Seasonal, and Sexual Variation in the Diet of Graptemys flavimaculata, a Threatened Turtle of the Pascagoula River System, Mississippi, USA
FIG. 1. Percent molluscivory of male and female Graptemys flavimaculata from the Leaf River (LR) and the lower Pascagoula River (PR).
Data from: 28 years of vegetation standing crop data from the Mississippi river delta
<p>Deltaic landscapes go through cycles of birth, growth, decline, to death governed by intertwined geological, biological, and ecological processes. This study tracks deltaic lobes in the Balize Mississippi River Delta, Louisiana, USA over ~3 decades (study years 1984–2012). Hydrologic and geomorphic patterns and those which sustain patterns to wetland plant richness, diversity, and biomass are described. Plant diversity and biomass were modeled by nMDS ordination. Taxa (53) were harvested and dried (116,706g) from 965 (0.25 m<sup>2</sup>) plots and divided into three groups: I. 4 Foundation Species; 78.9% of total harvest; II. 9 Pioneer Species; 13.6% of total harvest; III. All Other taxa; 7.5% of total harvest (8 Miscellaneous Grasses, 8 Miscellaneous Sedges, 24 Miscellaneous Herbs). Autogenic/allogenic processes (sedimentation, subsidence, plant colonization, succession events) affect composition and biomass. Eleven important species were identified. Taxa's richness increased on mudflats during primary succession (15 to 25 taxa per site), then declined to fewer than 5 per site. Niche-space theory explained patterns to community change. There was similar total biomass/yr (~500 g/m<sup>2</sup>/yr) at study sites. Quantile regression analyses showed water quality and quantity of the Mississippi River influenced biomass especially spring-time waters. Stochastic events (storms, herbivory, salt-burn, flood-pulses) impacted biomass. Long-term studies like this are required in a future of climate unknowns.</p>
Mississippi River watershed nutrient loading 1967 to 2016
<p>Archived water quality data collected between 1901 and 2019 were used to reconstruct annual averages of various forms of C, N, P and silicate concentrations and alkalinity in the lower Mississippi River. The data in this spreadsheet is by the United States Geological Survey which no longer posts the data on their website. They were used in the data analysis for this paper.</p>
Data from: Spatial genetic variation and habitat association of Rhinichthys cataractae, the longnose dace, in the Driftless Area of the upper Mississippi River basin
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Westward range expansion from middle latitudes explains the Mississippi River discontinuity in a forest herb of eastern North America
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Nipponaclerda biwakoensis infestation of Phragmites australis in the Mississippi River Delta, USA: Do fungal microbiomes play a role?
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Data from: 28 years of vegetation standing crop data from the Mississippi river delta
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Data from: Diagnostic SNPs reveal widespread introgressive hybridization between introduced bighead and silver carp in the Mississippi River Basin
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Mississippi River watershed nutrient loading 1967 to 2016
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Mississippi River Baton Rouge water quality
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Figure 1 from: Cognato A (2010) Notes on Scolytus fagi Walsh, 1867 with the designation of a neotype, distribution notes and a key to Scolytus Geoffroy of America east of the Mississippi River (Coleoptera, Curculionidae, Scolytinae, Scolytini). ZooKeys 56: 35-43. https://doi.org/10.3897/zookeys.56.516
Figure 1 - Scolytus fagi a male habitus dorsal b male habitus c female habitus d male frons e female frons f male genitalia, ventral view g male genitalia, lateral view.
Delta-X: Land Subsidence Rate, Mississippi River Delta (MRD), Louisiana, USA
This dataset provides estimates of land subsidence rates for the Delta-X domain area within the Atchafalaya and Terrebonne basins for 2021. The study area is a portion of the Mississippi River Delta in coastal Louisiana, U.S. The total subsidence is calculated as the sum of deep and shallow vertical elevation change rates. The deep subsidence rate is based on information from the Coastal Protection and Restoration Authority (CPRA) of Louisiana, documented in the Phase-4 subsidence trend report prepared for and provided by CPRA (2022). The shallow subsidence is calculated for the Delta-X study area by interpolation of publicly available data provided by CPRA for their coast-wide estimation of shallow subsidence in the 2023 Coastal Master Plan. The total subsidence rates and the estimated uncertainty in the total subsidence rates are provided as separate files in cloud optimized GeoTIFF (COG) format at 30-m (0.0003 decimal degrees) resolution.
Export and Leaching of Carbon and Nitrogen from Mississippi River Basin, 1901-2099
This dataset provides estimates for export and leaching of dissolved inorganic carbon (DIC), dissolved organic carbon (DIC), total organic carbon (TOC), particulate organic carbon (POC), ammonium (NH4+), nitrate (NO3-), and total organic nitrogen (TON) from the Mississippi River Basin (MRB) to the Gulf of Mexico. The estimates are provided for a historical period of 1901-2014, and a future period of 2010-2099 (carbon estimates only) under two scenarios of high and low levels of population growth, economy, and energy consumption, respectively. The estimates are from the Dynamic Land Ecosystem Model 2.0 (DLEM 2.0). These data are applicable to studying how changes in multiple environmental factors (e.g., fertilizer application, land-use changes, climate variability, atmospheric CO2 and N deposition) affect the dynamics of leaching and export to the Gulf of Mexico.
Data from: Long-term agroecosystem research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed and regional herbicide water quality data
PLEASE NOTE, THESE DATA ARE ALSO REFERRED TO IN ANOTHER PUBLICATION. PLEASE SEE http://doi.org/10.2134/jeq2013.12.0518. Goodwater Creek Experimental Watershed (GCEW) has been the focus area of a long-term effort to document the extent of and to understand the factors controlling herbicide transport. We document the datasets generated in the 20-yr-long research effort to study the transport of herbicides to surface and groundwater in the GCEW. This long-term effort was augmented with a spatially broad effort within the Central Mississippi River Basin encompassing 12 related claypan watersheds in the Salt River Basin, two cave streams on the fringe of the Central Claypan Areas in the Bonne Femme watershed, and 95 streams in northern Missouri and southern Iowa. Details of the analytical methods, periods of record, number of samples, study locations, and means of accessing these data are provided. In addition, a brief overview of significant findings is presented. A key finding was that near-surface restrictive soil layers, such as argillic horizons of smectitic mineralogy, result in greater herbicide transport than soils with high percolation and low clay content. Because of this, streams in the claypan soil watersheds of northeastern Missouri have exceptionally high herbicide concentrations and relative loads compared with other areas of the Corn Belt.
Figure 2 from: Cognato A (2010) Notes on Scolytus fagi Walsh, 1867 with the designation of a neotype, distribution notes and a key to Scolytus Geoffroy of America east of the Mississippi River (Coleoptera, Curculionidae, Scolytinae, Scolytini). ZooKeys 56: 35-43. https://doi.org/10.3897/zookeys.56.516
Figure 2 - a Sternite 2 oblique (Scolytus rugulosus) b sternite 2 vertical (Scolytus fagi).
Flow velocity from Bonnet Carre Spillway (Mississippi River freshwater diversion into Lake Pontchartrain) on April 16, 2008
<p><strong>Title: </strong>Flow velocity from Bonnet Carre Spillway (Mississippi River freshwater diversion into Lake Pontchartrain) on April 16, 2008</p> <p><strong>Author: </strong>Li, Chunyan</p> <p><strong>Contact/PI: </strong>Li, C. (cli@lsu.edu)</p> <p><strong>Description:</strong></p> <p>The data provided here are measured flow velocity profiles across the Bonnet Carre Spillway which is a lower Mississippi River freshwater diversion connected to Lake Pontchartrain. The survey was done on April 16, 2008. Time is UTC.</p> <p>There are 11 files for current profiles from an ADCP mounted on a small boat running across the spillway inside Lake Pontchartrain. The instrument is a 1200 kHz RDI ADCP. All these files are ASCII files. These files are output from the RDI’s program WinRiver II. The file names are:</p> <p>LakePontBonnetCarre000_ASC.TXT</p> <p>LakePontBonnetCarre001_ASC.TXT</p> <p>LakePontBonnetCarre002_ASC.TXT</p> <p>LakePontBonnetCarre003_ASC.TXT</p> <p>LakePontBonnetCarre004_ASC.TXT</p> <p>LakePontBonnetCarre005_ASC.TXT</p> <p>LakePontBonnetCarre006_ASC.TXT</p> <p>LakePontBonnetCarre007_ASC.TXT</p> <p>LakePontBonnetCarre008_ASC.TXT</p> <p>LakePontBonnetCarre009_ASC.TXT</p> <p>LakePontBonnetCarre010_ASC.TXT</p>
Data from: Long-term agroecosystem research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed and regional herbicide water quality data
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