Climatological Factors Influencing Yellow Perch Production In
Semi-Permanent Wetlands,
2010
South Dakota State University
Climatological Factors Influencing Yellow Perch Production In Semi-Permanent Wetlands, Christopher M. Longhenry, Michael L. Brown, Todd R. St. Sauver
The Prairie Naturalist
Climatological factors such as temperature, wind, and precipitation have been reported to affect fish reproduction and recruitment in large lakes; however, little is known about these relationships in shallow, semi-permanent wetlands. We utilized age-O yellow perch (Perca flavescens) aquacultural harvest data to model climate effects on variability of juvenile yellow perch year class strength in semi-permanent wetlands. Overall, March through May precipitation, April air temperature, and a wetland parameter (i.e., intrinsic characteristics) provided the best-supported model. These results potentially indicate that spring weather patterns have an influence on yellow perch year class strength in semi-permanent wetlands.
Comparison Of Two Zooplankton Sampling Gears In Shallow,
Homogeneous Lakes,
2010
South Dakota State University
Comparison Of Two Zooplankton Sampling Gears In Shallow, Homogeneous Lakes, Maude E. Livings, Casey W. Schoenebeck, Michael L. Brown
The Prairie Naturalist
We compared two zooplankton collection gears, Wisconsin nets and column samplers, to evaluate the effectiveness of each gear in quantifying inshore and offshore zooplankton density and size structure in shallow, homogeneous lakes. Zooplankton densities (within gear) did not differ (P > 0.05) between inshore and offshore sites in either study lake, with the exception of Wisconsin-netted Cyclops sp. in Lake Goldsmith. Wisconsin net samples produced a higher mean zooplankton density than column samplers for Bosmina sp., Cyclops sp., and Daphnia sp. in East Oakwood Lake and for Cyclops sp. (inshore), Daphnia sp., and Diaptomus sp. in Lake Goldsmith. Zooplankton densities had …
Evaluating The Impacts Of Black-Tailed Prairie Dogs On Vegetation In Traditional And Non-Traditional
Habitats,
2010
Fort Lewis College
Evaluating The Impacts Of Black-Tailed Prairie Dogs On Vegetation In Traditional And Non-Traditional Habitats, Erin M. Lehmer, Laurel Hartley, Jesse Lanci, Charlie Kolb
The Prairie Naturalist
The wildland-urban interface (WUI), defined as areas where human development meets undeveloped wildland (Radeloff et al. 2005), is a focal area for humanwildlife interactions in many communities of the western United States, particularly in those areas that have experienced rapid and expansive human population growth. Since 1960, conversion of rural to urban land has more than doubled in the United States (Theobald 2001). The eastern front range of the Rocky Mountains has experienced one of the most rapid urban expansions in the country, with approximately 110,000 hectares of undeveloped rural land being converted to human-developed land every year between 1992 …
Antimicrobial Activity Of Selected Fungi Isolated From Dee And Barrientos Islands, Antarctica.,
2010
Universiti Malaya
Antimicrobial Activity Of Selected Fungi Isolated From Dee And Barrientos Islands, Antarctica., Shamia Mohamedain Abd Elgadir Younis
Student Works (2010-2019)
This study reports the screening of selected fungi isolated from Dee and Barrientos Islands, Antarctica, for their antimicrobial activities using two methods: a) plug assay method and b) disk diffusion method. The plug assay was carried out as preliminary screening forbiological activity against bacteria: Bacillus subtilis, Staphylococcus aureus,Escherichia coli, pseudomonas aeruginosa, and yeast: Candida albicans. The results showed that 35% from species possessed antibacterial activity; and these included: Geomyces sp.50-1/S7, Unidentified 75-1/S1, Geomyces sp.12-1/S21, Penecillium sp.75-1/S10, Geomyces sp.3-1/S5, Geomyces sp.3-4/S5 and Geomyces sp.146/S5. Most of the strains exhibited antibacterial activity against Gram-positive bacteria S. aureus and B. subtilis …
A Sea Change For Aquatic Sustainability : Meeting The Challenge Of Fish Resources Management And Aquatic Sustainability In The 21st Century,
2010
Department of Primary Industries and Regional Development, Western Australia
A Sea Change For Aquatic Sustainability : Meeting The Challenge Of Fish Resources Management And Aquatic Sustainability In The 21st Century, Department Of Fisheries
Fisheries Occasional Publications
No abstract provided.
Lidar Remote Sensing Variables Predict Breeding Habitat Of A Neotropical Migrant Bird,
2010
Woods Hole Research Center
Lidar Remote Sensing Variables Predict Breeding Habitat Of A Neotropical Migrant Bird, Scott J. Goetz, Daniel Steinberg, Matthew G. G. Betts, Richard T. Holmes
Dartmouth Scholarship
A topic of recurring interest in ecological research is the degree to which vegetation structure influences the distribution and abundance of species. Here we test the applicability of remote sensing, particularly novel use of waveform lidar measurements, for quantifying the habitat heterogeneity of a contiguous northern hardwoods forest in the northeastern United States. We apply these results to predict the breeding habitat quality, an indicator of reproductive output of a well-studied Neotropical migrant songbird, the Black-throated Blue Warbler (Dendroica caerulescens). We found that using canopy vertical structure metrics provided unique information for models of habitat quality and spatial patterns of …
In Situ Development Of Western Prairie Fringed Orchid
Seeds, Protocorms, And Seedlings In Grazed And Non-Grazed Prairie Habitat,
2010
Valley City State University
In Situ Development Of Western Prairie Fringed Orchid Seeds, Protocorms, And Seedlings In Grazed And Non-Grazed Prairie Habitat, Bonnie Warner Alexander, Donald Kirby, Mario Biondini, Edward Dekeyser
The Prairie Naturalist
In 1989, the U.S. Fish and Wildlife Service listed the western prairie fringed orchid (Platanthera praeclara) as threatened. Although this orchid has been monitored for years, there is little scientific documentation of its biology, ecology, and phenology, nor the impacts of management activities on its populations. Our objectives were to document seed germination and seedling production rates after one year in situ, and compare seed germination in grazed and non-grazed prairie habitat in the Sheyenne National Grassland (SNG) in southeastern North Dakota. Of 18,717 planted seeds, we recovered 1,561 swollen embryos, 94 protocorms, and 51 seedlings. We documented no difference …
Ring-Necked Pheasant Nest Parasitism Of Sharp-Tailed Grouse Nests In Southwest North Dakota,
2010
North Dakota State University, Hettinger
Ring-Necked Pheasant Nest Parasitism Of Sharp-Tailed Grouse Nests In Southwest North Dakota, Benjamin A. Geaumont, Kevin K. Sedivec, Christopher S. Schauer
The Prairie Naturalist
Numerous investigators have reported observations of ring-necked pheasant (RNP; Phasianus colchicus) eggs in nests of other gamebirds and waterfowl species (Errington and Hamerstrom 1938, Westemeier et al. 1998, Hagen et al. 2002, Krakauer and Kimball 2009). Previously recorded hosts include wild turkey (Meleagris gallopavo; Schmutz 1988), northern bobwhite (Colinus virginianus; Westemeier et al. 1989), greater prairie-chickens (Tyrnpanuchus cupido; Westemeier et al. 1998), and lesser prairie-chickens (T. pallidicinctus; Hagen et al. 2002). The reported occurrence of nest parasitism during these studies has generally been low with the highest reported occurrences found in …
Early Winter Feeding On Elm Bark By Eastern Fox Squirrels Near The Western Range Terminus,
2010
West Texas A&M University
Early Winter Feeding On Elm Bark By Eastern Fox Squirrels Near The Western Range Terminus, Dessa K. Montgomery, Raymond S. Matlack
The Prairie Naturalist
Fox squirrels (Sciurus niger) feed on >30 different types of food across their extensive range ~Korschgen 1981) including tree buds, flowers, fruits, seeds, and, on occasion, bark. For a large portion of the year, fox squirrels rely heavily on tree seeds (Koprowski 1991). For three consecutive years (2007-2009), we observed fox squirrels feeding on bark of elm trees ( Ulmus sp.) on the campus of West Texas A&M University, Canyon, Texas. Squirrels began feeding on bark in late November shortly after leaves had fallen off the trees and continued almost daily throughout the winter. In late February, when …
Vascular Plants Of The High Sierra San Pedro Mártir, Baja California, Mexico: An Annotated Checklist,
2010
Rancho Santa Ana Botanic Garden, Claremont, California
Vascular Plants Of The High Sierra San Pedro Mártir, Baja California, Mexico: An Annotated Checklist, Robert F. Thorne, Reid V. Moran, Richard A. Minnich
Aliso: A Journal of Systematic and Floristic Botany
The Sierra San Pedro Mártir (SSPM) is the highest mountain range in Baja California, Mexico, the summit of Picacho del Diablo peak attaining 3095 meters. An annotated checklist describes the vascular flora of the SSPM high country, defined here as above 1800 m. It comprises almost 500 species in 251 genera and 78 families. The high country is dominated by coniferous forest species known from montane California and Arizona whose southern ranges terminate in the SSPM. The annotated checklist identifies 453 species in 236 genera as indigenous, of which 23 species and one variety are endemic to the SSPM. Over …
Vegetation Trends On A Waste Rock Repository Cap In The
Northern Black Hills,
2010
South Dakota State University
Vegetation Trends On A Waste Rock Repository Cap In The Northern Black Hills, Andrew C. Korth, Gary E. Larson, Lan Xu, Thomas E. Schumacher
The Prairie Naturalist
We assessed successional trends, long-term vegetation sustainability, and soil surface protection during the 2005-2007 growing seasons on the 32-ha Ruby Gulch Waste Rock Repository cap. The cap consisted of 150 cm of rock and soil covering a polyethylene membrane which in turn covered mining waste rock in order to prevent leaching of heavy metals and acidic water into streams. Following construction in 2003, a contractor applied a grass-forb seed mixture to provide soil-surface protection especially for steeply sloped portions of the cap. In 2005, we established 56, 1-m2 plots, and 20, 20-m transects to annually measure canopy cover, basal …
2009 Vascular Plant Surveys In The Central Niobrara River Valley, Nebraska,
2010
University of Nebraska - Lincoln
2009 Vascular Plant Surveys In The Central Niobrara River Valley, Nebraska, Mary Ann Feist, Paul B. Marcum, Loy R. Philippe, Brenda Molano-Flores, Valerie Sivicek
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The Niobrara River Valley in northern Nebraska is an important floristic area. It harbours a number of bryophyte, vascular plant, and animal species that are rarely found in close proximity to one another. Many of these species are more typical farther to the north, east, or west, but over time as climates have changed, have come to settle together in this valley (Kaul et al. 1988). The central Niobrara River Valley may be the most botanically diverse region of Nebraska. Approximately 580 of Nebraska’s roughly 2,000 vascular plant species have been documented for the Niobrara Valley Preserve (Schneider et al. …
The Northwest Forest Plan: Up To Our Neck In Owls?,
2010
Western Michigan University
The Northwest Forest Plan: Up To Our Neck In Owls?, Ashley N. Horvat
Honors Theses
Traversing across the vast Pacific Northwest with the Northern spotted owl (Strix occidentalis caurina), one would experience a dynamic landscape that ranged from areas shrouded with ancient forests, mountains dotted with dense young forests, large swathes of empty habitat from clearcuts, and corridors filled with canopies and a plethora of life. The once vibrant forests that blanketed the Pacific Northwest in an abundance of life and sheltered these rare owls in their canopies were threatened by the removal of these primordial giants in these forests. The wild salmon that journey in record numbers through the cold rivers and …
The Loss Of Species: Mangrove Extinction Risk And Geographic Areas Of Global Concern,
2010
Old Dominion University
The Loss Of Species: Mangrove Extinction Risk And Geographic Areas Of Global Concern, Beth A. Polidoro, Kent E. Carpenter, Lorna Collins, Norman C. Duke, Aaron M. Ellison, Joanna C. Ellison, Elizabeth J. Farnsworth, Edwino S. Fernando, Kandasamy Kathiresan, Nico E. Koedam, Suzanne R. Livingstone, Toyohiko Miyagi, Gregg E. Moore, Vien Ngoc Nam, Jin Eong Ong, Jurgenne H. Primavera, Serverino G. Salmo, Jonnell C. Sanciango, Sukristijono Sukardjo, Yamin Wang, Jean Wan Hong Yong
Biological Sciences Faculty Publications
Mangrove species are uniquely adapted to tropical and subtropical coasts, and although relatively low in number of species, mangrove forests provide at least US $1.6 billion each year in ecosystem services and support coastal livelihoods worldwide. Globally, mangrove areas are declining rapidly as they are cleared for coastal development and aquaculture and logged for timber and fuel production. Little is known about the effects of mangrove area loss on individual mangrove species and local or regional populations. To address this gap, species-specific information on global distribution, population status, life history traits, and major threats were compiled for each of the …
Section Abstracts: Natural History And Biodiversity,
2010
Old Dominion University
Section Abstracts: Natural History And Biodiversity
Virginia Journal of Science
Abstracts of the Natural History and Biodiversity Section for the 88th Annual Meeting of the Virginia Academy of Science, May 20-21, 2010, James Madison University, Harrisonburg, VA.
Inter-Island Variability In Above And Belowground Plant Biomass In Interior Marshes On The Virginia Barrier Islands,
2010
Old Dominion University
Inter-Island Variability In Above And Belowground Plant Biomass In Interior Marshes On The Virginia Barrier Islands, Staci B. Blecha
Biological Sciences Theses & Dissertations
The Virginia Coast Reserve's Long Term Ecological Research (LTER) site is of great interest because the barrier islands have been migrating, rapidly at times, and are exceptionally dynamic. The barrier islands have tidal saltwater marshes on the lagoon side and freshwater marshes on the island interiors. In these interior marshes on North Hog Island, South Smith Island, and North Parramore Island, salinity and depth to water table were measured to determine if these factors were influencing biomass and biomass allocation patterns in the marsh. Hog Island had the freshest interior marshes (0 and 0.7 ppm), and the most diverse (H'=0.84 …
Terrestrial Ecological Systems And Natural Communities Of Nebraska - Version Iv,
2010
Kansas State University Herbarium
Terrestrial Ecological Systems And Natural Communities Of Nebraska - Version Iv, Steven B. Rolfsmeier, Gerry Steinauer
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
Over two decades ago, The Nature Conservancy (TNC) and state natural heritage programs developed the “coarse filter/fine filter” approach to preserving biological diversity (Grossman et al. 1994). This approach involves identification and protection of natural communities (coarse filter) as well as rare species (fine filter). Identifying and protecting representative examples of natural communities ensures conservation of most species, biotic interactions and ecological processes. Those species that “fall through” the community filters are generally the rare species. Identification and protection of viable occurrences of rare species serves as the fine filter for preserving biological diversity. Using communities as a coarse filter …
Combining Local- And Large-Scale Models To Predict The Distributions Of Invasive Plant Species,
2010
Connecticut College
Combining Local- And Large-Scale Models To Predict The Distributions Of Invasive Plant Species, Chad C. Jones, Steven A. Acker, Charles B. Halpern
Botany Faculty Publications
Habitat-distribution models are increasingly used to predict the potential distributions of invasive species and to inform monitoring. However, these models assume that species are in equilibrium with the environment, which is clearly not true for most invasive species. Although this assumption is frequently acknowledged, solutions have not been adequately addressed. There are several potential methods for improving habitat-distribution models. Models that require only presence data may be more effective for invasive species, but this assumption has rarely been tested. In addition, combining modeling types to form ‘ensemble’ models may improve the accuracy of predictions. However, even with these improvements, models …
Relationships Between Herbaceous Diversity And Biomass In Two Habitats In Arid Mediterranean Rangeland,
2010
Department of Natural Resources & Environment, Jordan University of Science and Technology
Relationships Between Herbaceous Diversity And Biomass In Two Habitats In Arid Mediterranean Rangeland, Mohammad N. Alhamad, Brian P. Oswald, Mohammad M. Bataineh, Mohammad A. Alrababah, Mohammad M. Gharaibeh
Faculty Publications
Plant diversity patterns vary across the landscape. This study was conducted to answer the question: What is the pattern of species diversity (α and β) along an abstract productivity/cover gradient at two topographical positions (Wadi (a depression with overland flow) and hilltop) of a Mediterranean herbaceous plant community in Jordan? Results indicated that the less productive hilltop localities exhibited higher species richness than the more productive Wadi localities. Species richness exhibited a unimodal relationship with aboveground biomass within Wadis whereas a positive linear relationship was revealed for hilltops. Within Wadis, abundant species did not show a significant relationship with productivity …
Fishing Industry Impact Study : James Price Point Proposed Liquefied Natural Gas Precinct,
2010
Department of Primary Industries and Regional Development, Western Australia
Fishing Industry Impact Study : James Price Point Proposed Liquefied Natural Gas Precinct, Department Of Fisheries
Fisheries Occasional Publications
No abstract provided.
