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Articles 1 - 30 of 62
Full-Text Articles in Life Sciences
Global Patterns And Predictions Of Seafloor Biomass Using Random Forests, Chih-Lin Wei, Gilbert T. Rowe, Elva Escobar-Briones, Antje Boetius, Thomas Soltwedel, M. Julian Caley, Yousria Soliman, Falk Huettmann, Fangyuan Qu, Zishan Yu, C. Roland Pitcher, Richard L. Haedrich, Mary K. Wicksten, Michael A. Rex, Jeffrey G. Baguley, Jyotsna Sharma, Roberto Danovaro, Ian R. Macdonald, Clifton C. Nunnally, Jody W. Deming, Paul Montagna, Mélanie Lévesque, Jan Marcin Weslawski, Maria Wlodarska-Kowalczuk, Baban S. Ingole, Brian J. Bett, David S. M. Billett, Andrew Yool, Bodil A. Bluhm, Katrin Iken, Bhavani E. Narayanaswamy
Global Patterns And Predictions Of Seafloor Biomass Using Random Forests, Chih-Lin Wei, Gilbert T. Rowe, Elva Escobar-Briones, Antje Boetius, Thomas Soltwedel, M. Julian Caley, Yousria Soliman, Falk Huettmann, Fangyuan Qu, Zishan Yu, C. Roland Pitcher, Richard L. Haedrich, Mary K. Wicksten, Michael A. Rex, Jeffrey G. Baguley, Jyotsna Sharma, Roberto Danovaro, Ian R. Macdonald, Clifton C. Nunnally, Jody W. Deming, Paul Montagna, Mélanie Lévesque, Jan Marcin Weslawski, Maria Wlodarska-Kowalczuk, Baban S. Ingole, Brian J. Bett, David S. M. Billett, Andrew Yool, Bodil A. Bluhm, Katrin Iken, Bhavani E. Narayanaswamy
Biology Faculty Publication Series
A comprehensive seafloor biomass and abundance database has been constructed from 24 oceanographic institutions worldwide within the Census of Marine Life (CoML) field projects. The machine-learning algorithm, Random Forests, was employed to model and predict seafloor standing stocks from surface primary production, water-column integrated and export particulate organic matter (POM), seafloor relief, and bottom water properties. The predictive models explain 63% to 88% of stock variance among the major size groups. Individual and composite maps of predicted global seafloor biomass and abundance are generated for bacteria, meiofauna, macrofauna, and megafauna (invertebrates and fishes). Patterns of benthic standing stocks were positive …
A Study To Minimize Or Eliminate Hardbottom And Reef Impacts From Anchoring Activities In Designated Anchorages At The Ports Of Miami And Palm Beach, Brian K. Walker
A Study To Minimize Or Eliminate Hardbottom And Reef Impacts From Anchoring Activities In Designated Anchorages At The Ports Of Miami And Palm Beach, Brian K. Walker
Marine & Environmental Sciences Faculty Reports
No abstract provided.
Invasive Species And Climate Change, Invasive Species Advisory Committee
Invasive Species And Climate Change, Invasive Species Advisory Committee
National Invasive Species Council
ISSUE
Climate change interacts with and can often amplify the negative impacts of invasive species. These interactions are not fully appreciated or understood. They can result in threats to critical ecosystem functions on which our food system and other essential provisions and services depend as well as increase threats to human health. The Invasive Species Advisory Committee to the National Invasive Species Council recognizes the Administration’s commitment to dealing proactively with global climate change. However, unless we recognize and act on the impact of climate change and its interaction with ecosystems and invasive species, we will fall further behind in …
Distribution Of Zooplankton Densities Associated With The Florida Current And Subsurface, Amy Hirons, Jonathan Shenker, Alexander Soloviev
Distribution Of Zooplankton Densities Associated With The Florida Current And Subsurface, Amy Hirons, Jonathan Shenker, Alexander Soloviev
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
No abstract provided.
The Cc-Bio Project: Studying The Effects Of Climate Change On Quebec Biodiversity, Dominique Berteaux, Sylvie Blois, Jean-François Angers, Joël Bonin, Nicolas Casajus, Marcel Darveau, François Fournier, Murray Humphries, Brian Mcgill, Jacques Larivée, Travis Logan, Patrick Nantel, Catherine Périé, Frédéric Poisson, David Rodrigue, Sébastien Rouleau, Rouleau Siron, Wilfred Thuiller, Luc Vescovi
The Cc-Bio Project: Studying The Effects Of Climate Change On Quebec Biodiversity, Dominique Berteaux, Sylvie Blois, Jean-François Angers, Joël Bonin, Nicolas Casajus, Marcel Darveau, François Fournier, Murray Humphries, Brian Mcgill, Jacques Larivée, Travis Logan, Patrick Nantel, Catherine Périé, Frédéric Poisson, David Rodrigue, Sébastien Rouleau, Rouleau Siron, Wilfred Thuiller, Luc Vescovi
Publications
Anticipating the effects of climate change on biodiversity is now critical for managing wild species and ecosystems. Climate change is a global driver and thus affects biodiversity globally. However, land-use planners and natural resource managers need regional or even local predictions. This provides scientists with formidable challenges given the poor documentation of biodiversity and its complex relationships with climate. We are approaching this problem in Quebec, Canada, through the CC-Bio Project (http://cc‑bio.uqar.ca/), using a boundary organization as a catalyst for team work involving climate modelers, biologists, naturalists, and biodiversity managers. In this paper we present the CC-Bio Project and its …
Development And Evaluation Of Methods For Surveying Fish Populations In Nearshore Waters, Philip Smith, Ian Burrett, David Bailey, Francis Neat, David Donnan, Katherine Dunlop, James Thorburn, Rosanna Milligan, Steve Bastiman, Jane Dodd
Development And Evaluation Of Methods For Surveying Fish Populations In Nearshore Waters, Philip Smith, Ian Burrett, David Bailey, Francis Neat, David Donnan, Katherine Dunlop, James Thorburn, Rosanna Milligan, Steve Bastiman, Jane Dodd
Marine & Environmental Sciences Faculty Reports
- Nearshore areas provide critical habitat for a range of fish species targeted by commercial and recreational fisheries, both of which make an important contribution to local economies in rural areas. However, established trawl survey methods are not suited to many nearshore areas, owing to shallow depths, obstructions on the sea bed or vulnerable habitats, so there is a lack of information on fish abundance in these areas.
- The aim of the present project was to develop and test survey methods applicable to Scottish inshore waters, focussing on baited underwater cameras, fish traps, systematic rod-and-line surveys and observations of fish bycatch …
Caribbean Corals In Crisis: Record Thermal Stress, Bleaching, And Mortality In 2005, C. Mark Eakin, Jessica A. Morgan, Scott F. Heron, Tyler B. Smith, Gang Liu, Lorenzo Alvarez-Filip, Bart J. Baca, Erich Bartels, Carolina Bastidas, Claude Bouchon, Marilyn Brandt, Andrew W. Bruckner, Lucy Bunkley-Williams, Andrew Cameron, Billy D. Causey, Mark Chiappone, Tyler R. L. Christensen, M. James C. Crabbe, Owen Day, Elena De La Guardia, Guillermo Diaz-Pulido, Daniel Diresta, Diego L. Gil-Agudelo, David S. Gilliam, Robert N. Ginsburg, Shannon Gore, Hector M. Guzman, James C. Hendee, Edwin A. Hernandez-Delgado, Ellen Husain, Christopher F. G. Jeffrey, Ross J. Jones, Eric Jordan-Dahlgren, Les S. Kaufman, David I. Kline, Philip A. Kramer, Judith C. Lang, Diego Lirman, Jennie Mallela, Carrie Manfrino, Jean-Philippe Marechal, Ken Marks, Jennifer Mihaly, W. Jeff Miller, Erich M. Mueller, Erinn M. Muller, Carlos A. Orozco Toro, Hazel A. Oxenford, Daniel Ponce-Taylor, Norman Quinn, Kim B. Ritchie, Sebastian Rodriguez, Alberto Rodriguez Ramirez, Sandra Romano, Jameal F. Samhouri, Juan A. Sanchez, George P. Schmahl, Burton V. Shank, William J. Skirving, Sascha C. C. Steiner, Estrella Villamizar, Sheila M. Walsh, Cory Walter, Ernesto Weil, Ernest H. Williams, Kimberly Woody Roberson, Yusri Yusuf
Caribbean Corals In Crisis: Record Thermal Stress, Bleaching, And Mortality In 2005, C. Mark Eakin, Jessica A. Morgan, Scott F. Heron, Tyler B. Smith, Gang Liu, Lorenzo Alvarez-Filip, Bart J. Baca, Erich Bartels, Carolina Bastidas, Claude Bouchon, Marilyn Brandt, Andrew W. Bruckner, Lucy Bunkley-Williams, Andrew Cameron, Billy D. Causey, Mark Chiappone, Tyler R. L. Christensen, M. James C. Crabbe, Owen Day, Elena De La Guardia, Guillermo Diaz-Pulido, Daniel Diresta, Diego L. Gil-Agudelo, David S. Gilliam, Robert N. Ginsburg, Shannon Gore, Hector M. Guzman, James C. Hendee, Edwin A. Hernandez-Delgado, Ellen Husain, Christopher F. G. Jeffrey, Ross J. Jones, Eric Jordan-Dahlgren, Les S. Kaufman, David I. Kline, Philip A. Kramer, Judith C. Lang, Diego Lirman, Jennie Mallela, Carrie Manfrino, Jean-Philippe Marechal, Ken Marks, Jennifer Mihaly, W. Jeff Miller, Erich M. Mueller, Erinn M. Muller, Carlos A. Orozco Toro, Hazel A. Oxenford, Daniel Ponce-Taylor, Norman Quinn, Kim B. Ritchie, Sebastian Rodriguez, Alberto Rodriguez Ramirez, Sandra Romano, Jameal F. Samhouri, Juan A. Sanchez, George P. Schmahl, Burton V. Shank, William J. Skirving, Sascha C. C. Steiner, Estrella Villamizar, Sheila M. Walsh, Cory Walter, Ernesto Weil, Ernest H. Williams, Kimberly Woody Roberson, Yusri Yusuf
Marine & Environmental Sciences Faculty Articles
Background: The rising temperature of the world’s oceans has become a major threat to coral reefs globally as the severity and frequency of mass coral bleaching and mortality events increase. In 2005, high ocean temperatures in the tropical Atlantic and Caribbean resulted in the most severe bleaching event ever recorded in the basin.
Methodology/Principal Findings: Satellite-based tools provided warnings for coral reef managers and scientists, guiding both the timing and location of researchers’ field observations as anomalously warm conditions developed and spread across the greater Caribbean region from June to October 2005. Field surveys of bleaching and mortality exceeded prior …
The Amazon Frontier Of Land-Use Change: Croplands And Consequences For Greenhouse Gas Emissions, Gillian L. Galford, Jerry Melillo, John F. Mustard, Carlos E.P. Cerri, Carlos C. Cerri
The Amazon Frontier Of Land-Use Change: Croplands And Consequences For Greenhouse Gas Emissions, Gillian L. Galford, Jerry Melillo, John F. Mustard, Carlos E.P. Cerri, Carlos C. Cerri
Rubenstein School of Environment and Natural Resources Faculty Publications
The Brazilian Amazon is one of the most rapidly developing agricultural frontiers in the world. The authors assess changes in cropland area and the intensification of cropping in the Brazilian agricultural frontier state of Mato Grosso using remote sensing and develop a greenhouse gas emissions budget. The most common type of intensification in this region is a shift from single-to double-cropping patterns and associated changes in management, including increased fertilization. Using the enhanced vegetation index (EVI) from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor, the authors created a green-leaf phenology for 2001-06 that was temporally smoothed with a wavelet filter. …
Limnological Assistance For Lake Mead National Recreation Area: Quarterly Report, Period Ending September 30, 2010, Margaret N. Rees
Limnological Assistance For Lake Mead National Recreation Area: Quarterly Report, Period Ending September 30, 2010, Margaret N. Rees
Limnological Studies
Project 1
- Technical assistance with the implementation of the Interagency Monitoring Action Plan (I-MAP) for Quagga Mussels is ongoing. During this quarter, analysis was completed for 11 adult/juvenile samples from the winter 2009 – spring 2010 sampling. Two manuscripts related to the I-MAP were submitted to the peer-reviewed journal, Aquatic Invasions.
Project 2
- Topics and analyses have been approved for annual report development as prescribed by the Limnological and Aquatic Resource Monitoring and Research Plan for Lakes Mead and Mohave.
- Content, including links and photos for the front page, four limnology category web pages, and one associated page have been …
Effects Of Bubbles And Sea Spray On Air–Sea Exchange In Hurricane Conditions, Alexander Soloviev, Roger Lukas
Effects Of Bubbles And Sea Spray On Air–Sea Exchange In Hurricane Conditions, Alexander Soloviev, Roger Lukas
Marine & Environmental Sciences Faculty Articles
The lower limit on the drag coefficient under hurricane force winds is determined by the break-up of the air–sea interface due to Kelvin–Helmholtz instability and formation of the two-phase transition layer consisting of sea spray and air bubbles. As a consequence, a regime of marginal stability develops. In this regime, the air–sea drag coefficient is determined by the turbulence characteristics of the two-phase transition layer. The upper limit on the drag coefficient is determined by the Charnock-type wave resistance. Most of the observational estimates of the drag coefficient obtained in hurricane conditions and in laboratory experiments appear to lie between …
Temporal And Spatial Monitoring Of Mobile Nanoparticles In A Vineyard Soil: Evidence Of Nanoaggregate Formation, N. Perdrial, J. N. Perdrial, J. E. Delphin, F. Elsass, N. Liewig
Temporal And Spatial Monitoring Of Mobile Nanoparticles In A Vineyard Soil: Evidence Of Nanoaggregate Formation, N. Perdrial, J. N. Perdrial, J. E. Delphin, F. Elsass, N. Liewig
College of Arts and Sciences Faculty Publications
Mechanisms of formation, stabilization, liberation, transport and deposition of nanoparticles and their relationship to contaminant transport remain scarcely investigated in natural porous media. This study investigated nanoparticles mobilized in the pore space of a French vineyard soil by observing mobile soil-derived organic matter (SOM) and minerals in pore fluids over an 8-month monitoring period. Samples were collected in situ and investigated by transmission electron microscopy coupled to electron-dispersive spectroscopy. The main types of nanoparticles transported within the soil were clay, bacteria, SOM and nanoaggregates. Nanometric clay particles were enriched in various metals (Fe, Zn, As and Pb) and organically-derived constituents. …
Algal Biomass Accrual In Relation To Nutrient Availability Along A Longitudinal Gradient In The Upper Green River, Kentucky, Mary Douglas Penick
Algal Biomass Accrual In Relation To Nutrient Availability Along A Longitudinal Gradient In The Upper Green River, Kentucky, Mary Douglas Penick
Masters Theses & Specialist Projects
Nutrient limitation in aquatic ecosystems results from a deficiency in nitrogen or phosphorus levels relative to cellular growth needs. Nutrient limitation of freshwater systems is a function of biotic and abiotic factors. Biotic factors include vascular and nonvascular plant community composition. Abiotic factors include underlying bedrock and land-use activities (e.g. agriculture, septic systems). Nutrient availability directly affects growth, productivity, and community structure of primary producers. The purpose of this study was two-fold: (1) to assess the relationship between ambient algal biomass. and in-stream nutrient levels along the longitudinal course of a river through a transition from weak to well-developed underlying …
Cockatoo Sands Soil Survey : Assessment Of The Potential Irrigation Areas, Kununurra Area, East Kimberley, Henry Smolinski, Kus Kuswardiyanto, Justin Laycock
Cockatoo Sands Soil Survey : Assessment Of The Potential Irrigation Areas, Kununurra Area, East Kimberley, Henry Smolinski, Kus Kuswardiyanto, Justin Laycock
Resource management technical reports
No abstract provided.
Deep-Sea Fishes Of The Mid-Atlantic Ridge: Results Of The 2009 Henry Bigelow Expedition, Tracey Sutton, April B. Cook, John K. Galbraith, M. Vecchione
Deep-Sea Fishes Of The Mid-Atlantic Ridge: Results Of The 2009 Henry Bigelow Expedition, Tracey Sutton, April B. Cook, John K. Galbraith, M. Vecchione
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
As part of an ongoing study of the northern Mid-Atlantic Ridge biodiversity and ecology (CoML field project MAR-ECO), a detailed survey of the pelagic and demersal fishes in the region of the Charlie-Gibbs Fracture Zone (~ 600 n.m. south of Greenland) was conducted. A total of 17181 pelagic fishes (92 spp., 35 families) were sampled from 0-3000+ m, with the Myctophidae the most species-rich. The bristlemouth Cyclothone microdon was by far the dominant species in numbers (82% of total), while the sawtooth eel Serrivomer beani dominated biomass (27%). A total of 441 deep-demersal fishes (28 spp., 13 families) were sampled …
Stable Isotope Analysis Of The Sandbar Shark, Carcharinus Plumbeus: A Minimally Invasive Method For Comparison Of Diet And Trophic Relationships Between Genders, Locations, And Age Classes, David Shiffman, Gorka Sancho, Bryan Frazier, John Kucklick, Dan Abel, Tracey Sutton, Kristene T. Parsons
Stable Isotope Analysis Of The Sandbar Shark, Carcharinus Plumbeus: A Minimally Invasive Method For Comparison Of Diet And Trophic Relationships Between Genders, Locations, And Age Classes, David Shiffman, Gorka Sancho, Bryan Frazier, John Kucklick, Dan Abel, Tracey Sutton, Kristene T. Parsons
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
The 2006 National Marine Fisheries Service SEDAR for large coastal sharks recommended the gathering of additional diet and trophic relationship data for the sandbar shark, Carcharinus plumbeus. No diet studies of any kind have been performed on South Carolina subpopulations of C. plumbeus, and stable isotope analysis has never been performed on this species. Muscle samples were taken from C. plumbeus caught by the South Carolina Department of Natural Resources and the Virginia Institute of Marine Science shark surveys. The analysis of δ13C and δ 15N from this muscle tissue is ongoing and will be compared with prey …
Distribution And Trophic Ecology Of Bathylagus Euryops (Teleostei: Microstomatidae) Along The Northern Mid-Atlantic Ridge, Christopher J. Sweetman, Tracey Sutton
Distribution And Trophic Ecology Of Bathylagus Euryops (Teleostei: Microstomatidae) Along The Northern Mid-Atlantic Ridge, Christopher J. Sweetman, Tracey Sutton
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
The assemblage structure and ecology of meso- and bathypelagic fishes are poorly known in general, particularly over mid-ocean ridges. In June 2004, the month-long MAR-ECO (Census of Marine Life) research expedition aboard the R/V G.O. Sars sampled the deep-pelagic fauna over the northern Mid-Atlantic Ridge with the objective of quantitatively assessing the nekton associated with the ridge from Iceland to the Azores. A total of 115 discrete-depth trawl samples were taken from the surface to depths of 3000+ meters using two different double-warp midwater trawls, one of commercial fishing size (a large ‘Akra' trawl) and one of oceanographic research size …
Shark Assemblage Structure In The Chesapeake Bight, Kristene T. Parsons, Tracey Sutton, John A. Musick
Shark Assemblage Structure In The Chesapeake Bight, Kristene T. Parsons, Tracey Sutton, John A. Musick
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
The role and importance of the Chesapeake Bight region as essential fish habitat for several species of sharks is well represented in primary literature and US fisheries management plans. Diverse assemblages of shark taxa utilize the Chesapeake Bay and adjacent coasts at various stages throughout their lives. As top predators in most of the environments where they occur, sharks are key to maintaining healthy, diverse ecosystems. The estuarine waters of the Chesapeake Bay are exposed to extreme ranges in temperature and salinity, and consequently the environmental suitability of the Bay is spatially and temporally restricted to select taxa. By identifying …
Deep-Pelagic (0-3000 M) Fish Assemblage Structure Over The Mid-Atlantic Ridge Relative To The North Atlantic Subpolar Front, April B. Cook, Tracey Sutton, John K. Galbraith, M. Vecchione
Deep-Pelagic (0-3000 M) Fish Assemblage Structure Over The Mid-Atlantic Ridge Relative To The North Atlantic Subpolar Front, April B. Cook, Tracey Sutton, John K. Galbraith, M. Vecchione
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Only a tiny fraction of the world's largest volume of living space, the ocean's mid-water region, has ever been sampled. It is one of the least understood areas on earth, so as part of the International Census of Marine Life field project, MAR-ECO, a discrete-depth trawling survey was conducted in 2009 aboard the NOAA ship Henry Bigelow to examine pelagic assemblage structure and distribution over the Charlie-Gibbs Fracture Zone (CGFZ) of the northern Mid-Atlantic Ridge. The survey consisted of 11 stations divided into two transects, one northwest and one southeast of the CGFZ, which roughly coincides with the Subpolar Front. …
Microzooplankton Grazing And Productivity In The Central And Southern Sector Of The Indian River Lagoon, Florida, Jennifer Putland, Tracey Sutton
Microzooplankton Grazing And Productivity In The Central And Southern Sector Of The Indian River Lagoon, Florida, Jennifer Putland, Tracey Sutton
Marine & Environmental Sciences Faculty Articles
Microzooplankton grazing was measured with the dilution method in the central and southern sectors of the Indian River Lagoon during summer 2006 and 2007. Microzooplankton actively grazed phytoplankton during all experiments. Grazing rates averaged (± SD) 0.956 ± 0.19 d-1 and ranged from 0.54 to 1.36 d-1. Phytoplankton carbon, measured by microscopy, averaged 314 ± 251 μg C L-1 and ranged from 115 to 936 μg C L-1. Microzooplankton ingestion rates averaged 303 ± 260 μg C L-1d-1 and ranged from 90 to 907 μg C L-1d-1. …
Water Erosion Hazard Assessment Of The Lort And Young Rivers Catchment, Karen Holmes, John Andrew Simons, B Marillier, N Callow, Paul Galloway
Water Erosion Hazard Assessment Of The Lort And Young Rivers Catchment, Karen Holmes, John Andrew Simons, B Marillier, N Callow, Paul Galloway
Resource management technical reports
No abstract provided.
Limnological Assistance For Lake Mead National Recreation Area: Quarterly Report, Period Ending June 30, 2010, Margaret N. Rees
Limnological Assistance For Lake Mead National Recreation Area: Quarterly Report, Period Ending June 30, 2010, Margaret N. Rees
Limnological Studies
Project 1
- Technical assistance with the implementation of the Interagency Monitoring Action Plan (I-MAP) for Quagga Mussels is ongoing. During this quarter, analysis was completed for 14 adult/juvenile samples from the fall 2009 – spring 2010 sampling.
- Sampling for the first of two small-scale research projects funded by this task agreement (Abundance and settlement at different depths of Lake Mead) was initiated on June 16, 2010.
Project 2
- Topics and proposed analyses have been drafted for annual report development as prescribed by the Plan.
- A plan for developing and organizing NPS limnology-related web pages has been documented and content has …
U.S. Globec: Nwa Georges Bank - Processes Controlling Abundance Of Dominant Copepod Species On Georges Bank: Local Dynamics And Large-Scale Forcing, Jeffrey A. Runge
U.S. Globec: Nwa Georges Bank - Processes Controlling Abundance Of Dominant Copepod Species On Georges Bank: Local Dynamics And Large-Scale Forcing, Jeffrey A. Runge
University of Maine Office of Research Administration: Grant Reports
A fundamental goal of Biological Oceanography is to understand how underlying biological-physical interactions determine abundance of marine organisms. For animal populations, it is well known that factors controlling survival during early life stages (i.e., recruitment) are strong determinants of adult population size, but understanding these processes has been difficult due to model and data limitations. Recent advances in numerical modeling, together with new 3D data sets, provide a unique opportunity to study the biological-physical processes controlling zooplankton population size. This project uses an existing state-of-the-art biological/physical numerical model (FVCOM) together with the recently processed large 3D data set from the …
Marine Bioinvasions And Climate Change, James T. Carlton, Sandra C. Lindstrom, Celia M. Smith, Jennifer E. Smith
Marine Bioinvasions And Climate Change, James T. Carlton, Sandra C. Lindstrom, Celia M. Smith, Jennifer E. Smith
National Invasive Species Council
BACKGROUND
Invasive species are second only to habitat destruction as the greatest cause of species endangerment and global biodiversity loss. Invasive species can cause severe and permanent damage to the ecosystems they invade. Consequences of invasion include competition with or predation upon native species, hybridization, carrying or supporting harmful pathogens and parasites that may affect wildlife and human health, disturbing ecosystem function through alteration of food webs and nutrient recycling rates, acting as ecosystem engineers and altering habitat structure, and degradation of the aesthetic quality of our natural resources. In many cases we may not fully know the native animals …
Recent Advances In The Climate Change Biology Literature: Describing The Whole Elephant, A. Townsend Peterson, Shaily Menon, Xingong Li
Recent Advances In The Climate Change Biology Literature: Describing The Whole Elephant, A. Townsend Peterson, Shaily Menon, Xingong Li
Peer Reviewed Publications
Climate change biology is seeing a wave of new contributions, which are reviewed herein. Contributions treat shifts in phenology and distribution, and both document past and forecast future effects. However, many of the current wave of contributions are observational and correlational, and few are experimental in nature, and too often a conceptual framework in which to contextualize the results is lacking. An additional gap is the lack of effective cross-linking among areas of research, for example, connection of sea-level rise and climate change implications for distributions of species, or evolutionary adaptation studies with distributional shift studies. Although numerous important contributions …
Upper Ocean Response To The Atmospheric Cold Pools Associated With The Madden-Julian Oscillation, Suyang Pei, Toshiaki Shinoda, Alexander Soloviev, Ren-Chieh Lien
Upper Ocean Response To The Atmospheric Cold Pools Associated With The Madden-Julian Oscillation, Suyang Pei, Toshiaki Shinoda, Alexander Soloviev, Ren-Chieh Lien
Marine & Environmental Sciences Faculty Articles
Atmospheric cold pools are frequently observed during the Madden‐Julian Oscillation events and play an important role in the development and organization of large‐scale convection. They are generally associated with heavy precipitation and strong winds, inducing large air‐sea fluxes and significant sea surface temperature (SST) fluctuations. This study provides a first detailed investigation of the upper ocean response to the strong cold pools associated with the Madden‐Julian Oscillation, based on the analysis of in situ data collected during the Dynamics of the Madden‐Julian Oscillation (DYNAMO) field campaign and one‐dimensional ocean model simulations validated by the data. During strong cold pools, SST …
Barcoding Of Arrow Worms (Phylum Chaetognatha) From Three Oceans: Genetic Diversity And Evolution Within An Enigmatic Phylum, Robert M. Jennings, Ann Bucklin, Annelies Pierrot-Bults
Barcoding Of Arrow Worms (Phylum Chaetognatha) From Three Oceans: Genetic Diversity And Evolution Within An Enigmatic Phylum, Robert M. Jennings, Ann Bucklin, Annelies Pierrot-Bults
Biology Faculty Publication Series
Arrow worms (Phylum Chaetognatha) are abundant planktonic organisms and important predators in many food webs; yet, the classification and evolutionary relationships among chaetognath species remain poorly understood. A seemingly simple body plan is underlain by subtle variation in morphological details, obscuring the affinities of species within the phylum. Many species achieve near global distributions, spanning the same latitudinal bands in all ocean basins, while others present disjunct ranges, in some cases with the same species apparently found at both poles. To better understand how these complex evolutionary and geographic variables are reflected in the species makeup of chaetognaths, we analyze …
Fun, Fun, Fun Till The Waters Take The Beaches Away, Briana Ellis
Fun, Fun, Fun Till The Waters Take The Beaches Away, Briana Ellis
Maria Dittman Library Research Competition: Student Award Winners
No abstract provided.
Minimun Riparian Buffer Width For Maintaining Water Quality And Habitat Along Stevens Creek, Sammi Bray
Minimun Riparian Buffer Width For Maintaining Water Quality And Habitat Along Stevens Creek, Sammi Bray
Department of Environmental Studies: Undergraduate Student Theses
ABSTRACT Riparian buffer zones are important sites of biodiversity, sediment trapping, pollutant removal, and hydrologic regulation that have significant implications for both people and wildlife. Urbanization’s influence on and need for adequate water quality increases the need for careful planning in regards to riparian areas. Wildlife are key components in the ecosystem functions of riparian zones and require consideration in peri-urban planning as well. This study reviews relevant literature to determine the recommended minimum riparian buffer width for maintaining water quality and habitat along Stevens Creek in Lincoln, Nebraska. Only sources that listed a specific purpose related to water quality …
The Impact Of Community Consultation To Set Resource Condition Targets For Dryland Salinity, Rebecca Heath, Susan Murphy-White, Jamie Bowyer
The Impact Of Community Consultation To Set Resource Condition Targets For Dryland Salinity, Rebecca Heath, Susan Murphy-White, Jamie Bowyer
Resource management technical reports
No abstract provided.
Differential Damages Sustained From Hurricane Ike On Varying Growth Forms Of Coral At Distinct Locations Off The Coast Of South Caicos, Turks And Caicos Islands, Caitlyn A. Kenny
Differential Damages Sustained From Hurricane Ike On Varying Growth Forms Of Coral At Distinct Locations Off The Coast Of South Caicos, Turks And Caicos Islands, Caitlyn A. Kenny
Pell Scholars and Senior Theses
In September 2008, Hurricane Ike hit South Caicos, Turks and Caicos Islands as a Category 4 hurricane. This study examines the differential damages caused to varying common growth forms, size, locations, and depths of coral by Hurricane Ike on South Caicos reefs. Belt transect techniques as well as line intercept techniques were conducted at nine sites, looking at 14 common species of coral, representing four different growth forms. A total of 9,011 coral colonies were surveyed. 2,832 colonies (31.4%) were found to have at least one type of damage. It was expected that branching and digitate growth forms as well …