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Articles 31 - 43 of 43
Full-Text Articles in Biodiversity
The Evolution And Domestication Genetics Of The Mango Genus, Mangifera (Anacardiaceae), Emily Warschefsky
The Evolution And Domestication Genetics Of The Mango Genus, Mangifera (Anacardiaceae), Emily Warschefsky
FIU Electronic Theses and Dissertations
Domesticated species are vital to global food security and have also been foundational to the formulation and advancement of evolutionary theory. My dissertation employs emerging molecular genomic tools to provide an evolutionary context for crop improvement. I begin by providing a contemporary perspective on two components of domestication biology that have long been used to improve crop production: wild relatives of crop species and grafted rootstocks. First, I propose a method to systematically introgress crop wild relative diversity into crop breeding programs. Then, I explore rootstocks, the lesser-known half of the perennial crop equation, documenting prevalence and diversity, cataloging rootstock …
Cuban Land Use And Conservation, From Rainforests To Coral Reefs, Gillian L. Galford, Margarita Fernandez, Joe Roman, Irene Monasterolo, Sonya Ahamed, Greg Fiske, Patricia Gonzalez-Diaz, Les Kaufman
Cuban Land Use And Conservation, From Rainforests To Coral Reefs, Gillian L. Galford, Margarita Fernandez, Joe Roman, Irene Monasterolo, Sonya Ahamed, Greg Fiske, Patricia Gonzalez-Diaz, Les Kaufman
Rubenstein School of Environment and Natural Resources Faculty Publications
Cuba is an ecological rarity in Latin America and the Caribbean. Its complex political and economic history shows limited disturbances, extinctions, pollution, and resource depletion by legal or de facto measures. Vast mangroves, wetlands, and forests play key roles in protecting biodiversity and reducing risks of hazards caused or aggravated by climate change. Cuba boasts coral reefs with some of the region’s greatest fish biomass and coral cover. Although Cuba has set aside major protected areas that safeguard a host of endemic species, its environment is by no means pristine. Its early history is one of deforestation and agricultural production …
Reducing The Risk Of Invasive Pathogens To Wildlife Health In The United States, Edward E. Clark Jr., Marshall Meyers, David Eldon Starling, Brent Stewart, Nathan Stone, Gary Tabor, Jeffrey S. White
Reducing The Risk Of Invasive Pathogens To Wildlife Health In The United States, Edward E. Clark Jr., Marshall Meyers, David Eldon Starling, Brent Stewart, Nathan Stone, Gary Tabor, Jeffrey S. White
National Invasive Species Council
Call to Action
In keeping with action items 4.3.1 and 4.3.2 of the 2016–2018 National Invasive Species Council (NISC) Management Plan, the Wildlife Health Task Team of the Invasive Species Advisory Committee (ISAC) was charged with: 1) identifying the major areas of vulnerability to native wildlife from the introduction and spread of invasive pathogens, and 2) making recommendations to address these vulnerabilities, including through potential changes in statute, regulation, policy, or practice of the relevant agencies.
Arthropod Fauna Associated With Wild And Cultivated Cranberries In Wisconsin, Shawn A. Steffan, Merritt E. Singleton, Michael L. Draney, Elissa M. Chasen, Kyle E. Johnson, Juan E. Zalapa
Arthropod Fauna Associated With Wild And Cultivated Cranberries In Wisconsin, Shawn A. Steffan, Merritt E. Singleton, Michael L. Draney, Elissa M. Chasen, Kyle E. Johnson, Juan E. Zalapa
The Great Lakes Entomologist
The cranberry (Vaccinium macrocarpon Aiton) is an evergreen, trailing shrub native to North American peatlands. It is cultivated commercially in the US and Canada, with major production centers in Wisconsin, Massachusetts, New Jersey, Washington, Québec, and British Columbia. Despite the agricultural importance of cranberry in Wisconsin, relatively little is known of its arthropod associates, particularly the arachnid fauna. Here we report preliminary data on the insect and spider communities associated with wild and cultivated cranberries in Wisconsin. We then compare the insect and spider communities of wild cranberry systems to those of cultivated cranberries, indexed by region. Approximately 7,400 …
Utilizing Gis To Locate Endangered Gravel Hill Prairies Of The Wabash River Valley, Ryan W.R. Schroeder
Utilizing Gis To Locate Endangered Gravel Hill Prairies Of The Wabash River Valley, Ryan W.R. Schroeder
Engagement & Service-Learning Summit
The Gravel Hill Prairies (GHP’s) of the Wabash River Valley are an endangered ecosystem in the state of Indiana and provide optimal growing conditions for a number of state endangered plants. Currently only four remnants are known to exist near Lafayette, IN, found by a previous study conducted in 1980 by Post, Bacone, and Aldrich (Proceedings of the Indiana Academy of Science, 1984, vol. 94: 457-464). These unique ecosystems have been found to occur almost exclusively on soils classified as Rodman Gravelly Loams and Strawn-Rodman complexes which occur predominantly along the outwash terraces of the Wabash River and its tributaries. …
Distribution Of A. Modesta, A. Julibrissin And M. Himalayana Gamble In Pir Lasura National Park, Sher Wali Khan, Nafeesa Qudsia Hanif, Madeeha Manzoor
Distribution Of A. Modesta, A. Julibrissin And M. Himalayana Gamble In Pir Lasura National Park, Sher Wali Khan, Nafeesa Qudsia Hanif, Madeeha Manzoor
Journal of Bioresource Management
Pir Lasura National Park (PLNP) in Azad Jammu and Kashmir, Pakistan is located in the Kotli Forest division and spans across an area of 13,900 acres. The list obtained through this study included 46 tree species of angiosperms, out of which only 3 species belong to the family Mimosaceae; A. modesta, A. julibrissin and M. himalayana gamble. A. modesta had 1.6 % constancy and belonged to class Ⅰ, A. julibrissin had 3.3% relative cover and belonged to class Ⅰ, whereas the relative vegetative cover of Mimosa himalayana gamble was too less to be tabulated. All the three species of the …
Distribution Of Gymnosperms In Pir Lasura National Park, Kishwar Sultana, Afsar Mian, Asad Ghufran, Sabiha Shamim
Distribution Of Gymnosperms In Pir Lasura National Park, Kishwar Sultana, Afsar Mian, Asad Ghufran, Sabiha Shamim
Journal of Bioresource Management
Survey carried out in June-July 2009 recorded a minimum of 159 plant species with 48 species of trees. Out of these only two species are of gymnosperms; Pinus roxburghii and Pinus wallichiana. One species of trees, Pinus roxburghii is widely distributed. It is present in all communities, and can be found in different combinations with different other species. Both of these species have ethnobotanical value and are used by local population for different purposes.
Science At Engineer Cantonment, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, Thomas E. Labedz, Paul R. Picha, John R. Bozell
Science At Engineer Cantonment, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, Thomas E. Labedz, Paul R. Picha, John R. Bozell
University of Nebraska State Museum: Mammalogy Papers
Conclusions
It is our contention that Thomas Say, Titian Peale, Edwin James, and their colleagues of the Stephen Long Expedition of 1819–1820 were heavily engaged in scientific research, which took the form of the first biodiversity inventory undertaken in the United States. This accomplishment has been overlooked both by biologists and historians, but it should rank among the most significant accomplishments of the expedition. The results of this inventory continue to inform us today about environmental, faunal, and floral changes along the Missouri River in an area that is known to be an ecotone between the deciduous forests of the …
Evolution Of Floral Morphology And Symmetry In The Miconieae (Melastomataceae), Maria Gavrutenko
Evolution Of Floral Morphology And Symmetry In The Miconieae (Melastomataceae), Maria Gavrutenko
Dissertations and Theses
Analyses of evolution of floral morphology and symmetry broaden our understanding of the drivers of angiosperm diversification. Integrated within a flower, labile floral characters produce different phenotypes that promote variable interactions with pollinators. Thus, investigation of floral evolution may help infer potential historic transitions in pollinator modes and ecological pressures that generated present diversity. This study aims to explore morphological evolution of flowers in Miconieae, a species-rich Neotropical tribe within family Melastomataceae. Despite a constrained floral plan, Melastomataceae manage to achieve a variety of floral traits appealing to diverse pollinator types, with majority of the species requiring specialized “buzz pollination” …
Historical Observations And Identifications Of Plants And Animals In The Vicinity Of Engineer Cantonment In 1819-1820, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, John R. Bozell
Historical Observations And Identifications Of Plants And Animals In The Vicinity Of Engineer Cantonment In 1819-1820, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, John R. Bozell
University of Nebraska State Museum: Mammalogy Papers
Historical observations and identifications of plants and animals in the vicinity of Engineer Cantonment in 1819–1820 (James 1822) are shown below in Roman and Roman italic print. Specimens identified through phytoarcheological and zooarcheological analysis of materials and believed to be reasonably associated or contemporaneous with the Long Expedition use of the site (AU4) are shown in boldface. Species present in both the historical and archeological data are marked by an asterisk (*). References used in this compilation include Benedict (1996), Brewer (1970 [1840]), Conant and Collins (1991), Ducey (2000), Evans (1997), Falk et al. (this volume), Genoways et al. (2008), …
Ms Environmental Biology Capstone Project, Annamaria Marcel
Ms Environmental Biology Capstone Project, Annamaria Marcel
Regis University Student Publications (comprehensive collection)
Due to the worldwide decline of biodiversity, protected nature reserves are necessary for species facing extinction. Many frog species have been experiencing rapid population decline and extinction due to the threat of the fungus Batrachochytrium dendrobatidis (Bd), which inflicts the highly transmittable and deadly disease chytridiomycosis. Chytridiomycosis causes increased skin tissue growth which disrupts respiration and the maintenance of water balance, which can ultimately lead to death. Certain ecological and geographical characteristics have been studied in order to assess their influence on Bd’s prevalence. Specifically, it is hypothesized that high elevations, lotic habitats, and low species richness have a positive …
Pollinator Power: Supporting Bees Through Ecoregion Specific Planting Guides, Maya Thomas
Pollinator Power: Supporting Bees Through Ecoregion Specific Planting Guides, Maya Thomas
Scripps Senior Theses
The pollination of flowering crops by bees is an invaluable ecosystem service that supports biodiversity and much of the global agricultural system. Pollinators move pollen between the male structures of a plant to the female structures of a plant of the same species. This fertilizes the female plant, which then produces the next generation. This process also provides the pollinator with the nectar or pollen it needs to survive. While some plants transfer pollen through different means, the majority of plants need help from pollinators to reproduce. Depending on the means of pollination, pollination can be classified as abiotic or …
Can Increasing Grass-Fungal Endophyte Symbiotic Diversity Enhance Grassland Ecosystem Functioning?, Mahtaab Bagherzadeh
Can Increasing Grass-Fungal Endophyte Symbiotic Diversity Enhance Grassland Ecosystem Functioning?, Mahtaab Bagherzadeh
Theses and Dissertations--Plant and Soil Sciences
The relationship between biodiversity and ecosystem functioning is important in maintaining agroecosystem sustainability. Plant-microbe symbioses, such as exists between the grass tall fescue (Schedonorus arundinaceum) and the asexual fungal endophyte Epichloë coenophiala, can be utilized to enhance agroecosystem functions, such as herbivore resistance. “Novel” E. coenophiala strains that vary in the production of mammal- and insect-toxic compounds have been identified, inserted into tall fescue cultivars, and are planted in pastures globally. Novel fungal endophyte-tall fescue associations may have divergent ecosystem function effects. This study assessed effects of different fescue-endophyte symbiotic combinations on pasture ecosystem function, including aboveground …