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Articles 1 - 30 of 40
Full-Text Articles in Life Sciences
Survival And Growth Of Juvenile Coho Salmon (Oncorhynchus Kisutch) In Restored Wetlands Of Humboldt Bay, California, Josh D. Cahill
Survival And Growth Of Juvenile Coho Salmon (Oncorhynchus Kisutch) In Restored Wetlands Of Humboldt Bay, California, Josh D. Cahill
Cal Poly Humboldt theses and projects
Substantial investment in habitat restoration efforts have been made to promote coho salmon (Oncorhynchus kisutch) recovery, yet sampling efforts to document the response of coho salmon populations to wetland restoration are limited. I investigated two cohorts of juvenile coho salmon growth, movement, and survival within the Humboldt Bay drainage in California. My study sites included restoration features and other sample areas in upland creek habitat and in lowland estuarine wetlands that were located in the four largest watersheds within the Humboldt Bay drainage. The objectives of this study were to: (1) determine if coho salmon are using restored, …
Importance And Winter Ornithological Value Of Lake El-Golea (Ghardaïa, Algerian Sahara, Biad Radhia, Bounab Choayb, Guergueb El Yamine, Biad Mohamed Fetheddine, Houhamdi Moussa
Importance And Winter Ornithological Value Of Lake El-Golea (Ghardaïa, Algerian Sahara, Biad Radhia, Bounab Choayb, Guergueb El Yamine, Biad Mohamed Fetheddine, Houhamdi Moussa
Journal of Bioresource Management
This study is carried out on two winter period (2018-2019 and 2019-2020) in Lake El-Golea (Ghardaïa, northern Sahara of Algeria). Its objective is to determine the ornithological value of this lake and to in ferits importance in maintaining aquatic avifauna during the winter season. This inventory shows a diversity equivalent to forty-one species belonging to thirteen families and nine orders of which eighteen are protected by various Algerian and international laws. The most represented family is that of the Anatidae with twelve species while the family with the highest number is that of the Phenicopteridae represented only by one species, …
Whooping Crane Stay Length In Relation To Stopover Site Characteristics, Andrew J. Caven, Aaron T. Pearse, David A. Brandt, Mary J. Harner, Greg D. Wright, David M. Baasch, Emma M. Brinley Buckley, Kristine L. Metzger, Matthew R. Rabbe,, Anne E. Lacy
Whooping Crane Stay Length In Relation To Stopover Site Characteristics, Andrew J. Caven, Aaron T. Pearse, David A. Brandt, Mary J. Harner, Greg D. Wright, David M. Baasch, Emma M. Brinley Buckley, Kristine L. Metzger, Matthew R. Rabbe,, Anne E. Lacy
Proceedings of the North American Crane Workshop
Whooping crane (Grus americana) migratory stopovers can vary in length from hours to more than a month. Stopover sites provide food resources and safety essential for the completion of migration. Factors such as weather, climate, demographics of migrating groups, and physiological condition of migrants influence migratory movements of cranes (Gruidae) to varying degrees. However, little research has examined the relationship between habitat characteristics and stopover stay length in cranes. Site quality may relate to stay length with longer stays that allow individuals to improve body condition, or with shorter stays because of increased foraging efficiency. We examined this …
Investigating The Impact Of Land Use On Avian Diversity And Abundance In Areas Surrounding Mabamba Swamp, Uganda, Sydney Marie Jones
Investigating The Impact Of Land Use On Avian Diversity And Abundance In Areas Surrounding Mabamba Swamp, Uganda, Sydney Marie Jones
Independent Study Project (ISP) Collection
The primary objective of this study was to investigate the impact of wetland-adjacent land use on avian species richness and abundance areas surrounding Mabamba Swamp, Uganda. Four types of land use were investigated: Eucalyptus plantations, wetland-edge agricultural fields, residential areas, and mature secondary forests. A total of 40-morning point counts were conducted for ten days in late November and late December of 2021. One-way ANOVA tests and Tukey’s HSD tests revealed significant differences in mean avian richness and abundance between all sites except residential areas and Nkima Forest. Additionally, Nkima Forest was found to contain the most number of specialist …
Impact Analysis On The Invasive Oriental Weather Loach (Misgurnus Anguillicaudatus) In The Grant Creek And Prairie Creek Watersheds At Midewin National Tallgrass Prairie, Adam Vanhaitsma
Scholar Week 2016 - present
Presentation Location: Weber Center, Room 101
Abstract
In 2014, the invasive Oriental weather loach was found in the Prairie Creek wetland at Midewin National Tallgrass Prairie. While little is known about the Oriental weather loach and its impact on freshwater ecosystems it has become a widespread invasive species. Being the first to investigate the impact of the Oriental weather loach on the Grant Creek and Prairie Creek watersheds at Midewin National Tallgrass Prairie, we set traps for specimens from early June till late July in both watersheds. Each loach that was caught was euthanized and dissected in order to understand …
Impact Analysis On The Invasive Oriental Weather Loach (Misgurnus Anguillicaudatus) In The Grant Creek And Prairie Creek Watersheds At Midewin National Tallgrass Prairie, Adam Vanhaitsma
Pence-Boyce STEM Student Scholarship
In 2014, the invasive Oriental weather loach was found in the Prairie Creek wetland at Midewin National Tallgrass Prairie. While little is known about the Oriental weather loach and its impact on freshwater ecosystems it has become a widespread invasive species. Being the first to investigate the impact of the Oriental weather loach on the Grant Creek and Prairie Creek watersheds at Midewin National Tallgrass Prairie, we set traps for specimens from early June till late July in both watersheds. Each loach that was caught was euthanized and dissected in order to understand what the Oriental weather loaches are eating …
Endangered Basra Reed-Warbler (Acrocephalus Griseldis) Recorded For The First Time In Turkey (Aves: Acrocephalidae), Montague H. C. Neate-Clegg, Juan Ramírez Román, Berkan Demi̇r, Çağan Hakki Şekerci̇oğlu
Endangered Basra Reed-Warbler (Acrocephalus Griseldis) Recorded For The First Time In Turkey (Aves: Acrocephalidae), Montague H. C. Neate-Clegg, Juan Ramírez Román, Berkan Demi̇r, Çağan Hakki Şekerci̇oğlu
Turkish Journal of Zoology
The Basra Reed-warbler (Acrocephalus griseldis) is an endangered songbird that breeds in the reed beds of southern Mesopotamia. Hydrological projects, war, and drought have greatly reduced the breeding habitat of this species, making its future uncertain. The first Basra Reed-warbler for Turkey was caught in a mist net on 22 May 2018 at the Aras River Ornithological Research Station, between the provinces of Kars and Iğdır. This represents one of only a few vagrant records in the eastern Mediterranean, and the northernmost record to date. It is likely that this bird was an overshooting spring migrant, but the existence of …
Population Health Of Spotted Salamanders (Ambystoma Maculatum) In Created Vernal Pools: An Integrative Approach, Alice R. Millikin
Population Health Of Spotted Salamanders (Ambystoma Maculatum) In Created Vernal Pools: An Integrative Approach, Alice R. Millikin
Graduate Theses, Dissertations, and Problem Reports
Habitat creation is an important tool for conservation to counteract habitat loss and degradation. Vernal pools are susceptible to destruction due to limited detection, protection, and regulation. These wetlands provide fishless breeding habitat for many amphibian species including spotted salamanders (Ambystoma maculatum) in eastern North America. Determining whether created vernal pool habitat is successful is often determined by demographic data of colonizing populations. I suggest that hormone levels, population genetics, and disease prevalence can improve our understanding of population health in created habitat. The goal of this dissertation was to assess the health of spotted salamander larvae in …
Working With Land Managers To Identify And Manage Potential Stopover Locations For Whooping Cranes, Chester A. Mcconnell
Working With Land Managers To Identify And Manage Potential Stopover Locations For Whooping Cranes, Chester A. Mcconnell
Proceedings of the North American Crane Workshop
Whooping cranes (Grus americana) of the Aransas-Wood Buffalo Population migrate 4,000 km twice each year between their nesting grounds in northern Canada and their wintering grounds on the Texas Gulf Coast. During migration, whooping cranes must land at suitable ponds or wetlands to feed or rest. The Whooping Crane Recovery Plan calls for the protection and management of whooping crane stopover locations within the migration corridor. While major stopover areas have been protected, many other smaller sites remain to be identified. Moreover, the Recovery Plan offers no specific entity to protect and manage the latter. To address these …
Muskrats, James E. Miller
Muskrats, James E. Miller
Wildlife Damage Management Technical Series
The muskrat (Ondatra zibethicus) is a common, semi-aquatic rodent native to the United States (Figure 1). It spends its life in aquatic habitats and is well adapted for swimming.
Although muskrats are an important part of native ecosystems, their burrowing and foraging activities can damage agricultural crops, native marshes and water control systems, such as aquaculture and farm ponds and levees. Such damage can significantly impact agricultural crops like rice that rely on consistent water levels for growth.
Muskrats also cause damage by eating agricultural crops, other vegetation, and crayfish, mussels and other aquaculture products. Loss of vegetation …
Wintering American Black Duck Ecology Of Central Appalachia, Sara E. Yannuzzi
Wintering American Black Duck Ecology Of Central Appalachia, Sara E. Yannuzzi
Graduate Theses, Dissertations, and Problem Reports
The American black duck (Anas rubripes) is a species of dabbling duck found only in the northeastern part of North America, and widely hunted until its decline. Since the 1950s, the total population has decreased by 53%. Habitat degradation and decline of wintering and breeding wetlands, historic overharvest, and interactions with the mallard (A. platyrhynchos) are attributed as some of the main causes of the black duck population’s decrease. Many policies and taxa- and habitat-specific joint ventures have since been created to aid in studying and improving North American wetlands and black duck populations throughout both their breeding and wintering …
Phenology, Habitat Use, And The Impacts Of Wetland Management On Autumn Migrating Rails In Missouri, Auriel M.V. Fournier
Phenology, Habitat Use, And The Impacts Of Wetland Management On Autumn Migrating Rails In Missouri, Auriel M.V. Fournier
Graduate Theses and Dissertations
Rails (Family: Rallidae) are among the least studied birds in North America, in large part due to their elusive nature. As a wetland-dependent species, understanding the timing of their migration and their habitat needs during migration is especially important since management needs to be timed to balance the needs of many species. I developed and verified a new distance sampling based nocturnal ATV spotlight survey because traditional call-broadcast surveys are not effective during autumn migration because of the drop off in call rate after the breeding season. These surveys allow us to ask point-level questions about what habitats rails select …
Uncommon/Rare Avian Species Decline And Extirpation In Nested Assemblages Of Northeastern Illinois Wetlands, James M. Mcaley
Uncommon/Rare Avian Species Decline And Extirpation In Nested Assemblages Of Northeastern Illinois Wetlands, James M. Mcaley
All Capstone Projects
Baisa found that avian assemblages are highly nested in palustrine emergent wetlands in northeastern Illinois. He measured nestedness by constructing a binary matrix of species presence and absence across sites. Nestedness was also quantified using the Mann-Whitney U-test in his study.
The goal of this project was to sample the wetlands as Baisa had done in his study. By doing so, we will have 2 sampling events, approximately 10 years apart. Nestedness of the wetland communities will be checked, and data compared to that of Baisa. Emergent wetlands in northeastern Illinois were found by Baisa to contain highly nested avian …
Framework For Drafting Ecological Objectives For Water Sharing Plans - Submission Of The Nsw Aboriginal Land Council, Geoff Scott, New South Wales Aboriginal Land Council
Framework For Drafting Ecological Objectives For Water Sharing Plans - Submission Of The Nsw Aboriginal Land Council, Geoff Scott, New South Wales Aboriginal Land Council
Indigenous Water Justice Symposium (June 6)
Presenter: Phil Duncan, Gomeroi Nation, New South Wales Aboriginal Land Council
4 pages
Contains 1 footnote
Letter addressed to Nick Cook, A/Team Leader, WSP Science & Evaluation - North, NSW Office of Water, from Geoff Scott, Chief Executive Officer, New South Wales Aboriginal Land Council.
Slides: Crystalised Not Frozen: Addressing Historical Exclusion Of Traditional Owners From Water, Poh-Ling Tan
Slides: Crystalised Not Frozen: Addressing Historical Exclusion Of Traditional Owners From Water, Poh-Ling Tan
Indigenous Water Justice Symposium (June 6)
Poh-Ling Tan, Griffith University
13 slides
Biodiversity And You., Garth Woodruff
Evidence Of Ancient Maya Agriculture In The Bajos Surrounding Tikal, Guatemala, Adam Calvin Parker
Evidence Of Ancient Maya Agriculture In The Bajos Surrounding Tikal, Guatemala, Adam Calvin Parker
Theses and Dissertations
Current Central American agricultural practices are environmentally and economically unsustainable, yet the ancient Maya who lived in the same region thrived for thousands of years. Archaeologists have attempted to understand the factors enabling the prolonged success and ultimate collapse of the Maya societies. Some have proposed that the karst seasonal wetlands, called bajos, that border many Maya sites in the region were an influential factor in the Maya's ability to flourish. For the past decade, researchers have used carbon isotope analyses to identify areas of ancient maize agriculture at Maya archaeological sites. In this study, we collected soil samples from …
Linking Old Librarianship To New: Aligning 5-Steps Of The Innovator's Dna In Creating Thematic Discovery Systems For The Everglades, L. Bryan Cooper, Margarita Perez Martinez
Linking Old Librarianship To New: Aligning 5-Steps Of The Innovator's Dna In Creating Thematic Discovery Systems For The Everglades, L. Bryan Cooper, Margarita Perez Martinez
Works of the FIU Libraries
This poster presentation from the May 2015 Florida Library Association Conference, along with the Everglades Explorer discovery portal at http://ee.fiu.edu, demonstrates how traditional bibliographic and curatorial principles can be applied to: 1) selection, cross-walking and aggregation of metadata linking end-users to wide-spread digital resources from multiple silos; 2) harvesting of select PDFs, HTML and media for web archiving and access; 3) selection of CMS domains, sub-domains and folders for targeted searching using an API.
Choosing content for this discovery portal is comparable to past scholarly practice of creating and publishing subject bibliographies, except metadata and data are housed in …
Assessing Landscape Constraints On Species Abundance: Does The Neighborhood Limit Species Response To Local Habitat Conservation Programs?, Christopher F. Jorgensen, Larkin A. Powell, Jeffrey J. Lusk, Andrew A. Bishop, Joseph J. Fontaine
Assessing Landscape Constraints On Species Abundance: Does The Neighborhood Limit Species Response To Local Habitat Conservation Programs?, Christopher F. Jorgensen, Larkin A. Powell, Jeffrey J. Lusk, Andrew A. Bishop, Joseph J. Fontaine
Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications
Landscapes in agricultural systems continue to undergo significant change, and the loss of biodiversity is an ever-increasing threat. Although habitat restoration is beneficial, management actions do not always result in the desired outcome. Managers must understand why management actions fail; yet, past studies have focused on assessing habitat attributes at a single spatial scale, and often fail to consider the importance of ecological mechanisms that act across spatial scales. We located survey sites across southern Nebraska, USA and conducted point counts to estimate Ring-necked Pheasant abundance, an economically important species to the region, while simultaneously quantifying landscape effects using a …
A Comparative Study Of The Diurnal Behaviour Of The Northern Shoveller (Anas Clypeata) During The Wintering Season At Garaet Hadj-Tahar (North-East Algeria) And Garaet Timerganine (Algerian Highlands), Sophia Metallaoui, Mohamed Cherif Maazi, Menouar Saheb, Moussa Houhamdi, Christophe Barbraud
A Comparative Study Of The Diurnal Behaviour Of The Northern Shoveller (Anas Clypeata) During The Wintering Season At Garaet Hadj-Tahar (North-East Algeria) And Garaet Timerganine (Algerian Highlands), Sophia Metallaoui, Mohamed Cherif Maazi, Menouar Saheb, Moussa Houhamdi, Christophe Barbraud
Turkish Journal of Zoology
The rhythms of the Northern Shoveller's (Anas clypeata Linnaeus, 1758) activities during its wintering period in 2 wetlands, Garaet Hadj-Tahar (North-East Algeria) and Garaet Timerganine (Oum El-Bouaghi, Algerian highlands), were studied during 2 wintering seasons in Garaet Hadj-Tahar from November 2007 to March 2008 and November 2008 to March 2009, and in the Timerganine wetland from November 2007 to March 2008. They were linked to certain spatiotemporal variables, i.e. daytime activities and 2 different wetlands. During the wintering season, the main activity at Garaet Hadj-Tahar was sleeping (70%), followed by swimming (12%). By contrast, feeding was the dominant activity at …
Effect Of Land Cover On Biodiversity And Composition Of A Soil Macrofauna Community In A Reclaimed Coastal Area At Yancheng, China, Baoming Ge, Daizhen Zhang, Boping Tang, Chunlin Zhou
Effect Of Land Cover On Biodiversity And Composition Of A Soil Macrofauna Community In A Reclaimed Coastal Area At Yancheng, China, Baoming Ge, Daizhen Zhang, Boping Tang, Chunlin Zhou
Turkish Journal of Zoology
Reclamation was considered the primary factor that caused coastal wetland loss in China. Along with land conversion, there were different types of land cover on the reclaimed coast. In early March 2012, we selected 5 habitats with different land cover from a reclaimed coastal area at Yancheng City that was diked about 30 years before, and the biodiversity and composition variations in soil macrofauna communities were studied. We found that higher biodiversity values appeared in the uncultivated land, the poplar forest, and the metasequoia forest, while lower values occurred in the wheat farm and bulrush land. By multivariate statistical analysis, …
Wetland Management Guidelines For Nebraska's Wildlife Management Areas, Ted Lagrange, Randy Stutheit
Wetland Management Guidelines For Nebraska's Wildlife Management Areas, Ted Lagrange, Randy Stutheit
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
Prior to Euro-American settlement, wetlands covered about 6% of the Nebraska landscape. Since settlement, the state’s wetlands have suffered serious decline. For example, approximately 90% of Rainwater Basin playa wetlands and 90% of the eastern saline wetlands have been destroyed or are highly degraded. Remaining wetlands are threatened by conversion to other uses (e.g. agriculture), invasive and aggressive vegetation, siltation, and lack of proper management. Only through sound management can the wetlands on our Wildlife Management Areas (WMA) be preserved for the citizens of Nebraska, as well as the native plants and wildlife dependent on them.
This section is directed …
The Spatial And Temporal Distributions Of Waterbirds In Lakes Akşehir-Eber And Lake Köyceğiz In Western Anatolia, Turkey - A Comparative Analysis, Fulya Saygili, Nuri̇ Yi̇ği̇t, Şafak Bulut
The Spatial And Temporal Distributions Of Waterbirds In Lakes Akşehir-Eber And Lake Köyceğiz In Western Anatolia, Turkey - A Comparative Analysis, Fulya Saygili, Nuri̇ Yi̇ği̇t, Şafak Bulut
Turkish Journal of Zoology
The waterbirds at 2 wetlands (Lakes Akşehir-Eber and Köyceğiz) in western Turkey were compared to determine their spatial and temporal distributions along with their habitat characteristics. The waterbirds were evaluated according to whether they were residents, winter migrants, summer migrants, or transit migrants and were assigned to foraging behavior groups. At Lakes Akşehir-Eber, 67 waterbird species belonging to 17 families and 9 orders were observed, while at Lake Köyceğiz 42 species belonging to 14 families and 9 orders were recorded. The waterbird fauna in both lake systems is composed of the following bird groups in the same order of occurrence: …
The Effects Of Invasion By Reed Canarygrass (Phalaris Arundinacea) On Avian Communities And Nesting Success In Minnesota Wetlands, Emily J. Hutchins
The Effects Of Invasion By Reed Canarygrass (Phalaris Arundinacea) On Avian Communities And Nesting Success In Minnesota Wetlands, Emily J. Hutchins
All Graduate Theses, Dissertations, and Other Capstone Projects
Invasive plants are a primary contributor to loss of biodiversity worldwide. In southern Minnesota, many wetlands have been invaded by reed canarygrass (Phalaris arundinacea). The current perception among ecologists and resource managers is that these wetlands are of little value to wildlife, yet little is known about the effects on birds of the widespread conversion of diverse wetlands to apparent monocultures of P. arundinacea. The purpose of this study was to determine the effects of P. arundinaceamediated changes in the wetland plant community on avian communities and nesting success. During 2006 and 2007, I studied four diverse sedge wetlands paired …
Section Abstracts: Agriculture, Forestry, And Aquaculture Science
Section Abstracts: Agriculture, Forestry, And Aquaculture Science
Virginia Journal of Science
Abstracts of the Agriculture, Forestry, and Aquaculture Science Section for the 88th Annual Meeting of the Virginia Academy of Science, May 20-21, 2010, James Madison University, Harrisonburg, VA.
Influence Of Landscape Features Of Wetlands On Nesting Patterns Of Sandhill Cranes In Central Wisconsin, Su Liying, Anne E. Lacy, Jeb A. Barzen
Influence Of Landscape Features Of Wetlands On Nesting Patterns Of Sandhill Cranes In Central Wisconsin, Su Liying, Anne E. Lacy, Jeb A. Barzen
Proceedings of the North American Crane Workshop
We studied the relationship between landscape features and nesting patterns of greater sandhill cranes (Grus canadensis tabida) in central Wisconsin for 3 years. Our study covered 9,840 ha, including about 50% agricultural fields, 20% forest, and 20% wetlands. We analyzed landscape features and nesting patterns at the wetland complex level. Landscape features included size, shape, and type of cover for each wetland complex. Nesting patterns included nesting density and the spatial pattern of the nest locations in a wetland among years. Nest density varied among wetland complexes and years. Mean nest densities in wetlands surveyed were 0.037, 0.033, …
Study Of Environmental Variables And Connectivity Of Northern Mexico For Cranes: Conservation Implications, Edgar Gustavo López-Saut, Ricardo Rodriguez Estrella, Felipe Chavez-Ramirez
Study Of Environmental Variables And Connectivity Of Northern Mexico For Cranes: Conservation Implications, Edgar Gustavo López-Saut, Ricardo Rodriguez Estrella, Felipe Chavez-Ramirez
Proceedings of the North American Crane Workshop
Wetlands are one of the most important ecosystems for biodiversity and as a resource for humans. Humans depend on wetlands for water and food, but with expansion of urban cores, water overexploitation, and the increase of croplands, wetlands are at risk. The Chihuahuan desert is an ecoregion important for the economy and development of Mexico. Although there are many temporal wetlands that support many migratory birds, water in some desert landscapes is being overexploited due to development. This leads to the desiccation of wetlands important for migratory birds such as cranes. The cranes as a group are associated with grasslands …
Slides: Rapanos And The Courts: Navigating Through The Fog, Jim Murphy
Slides: Rapanos And The Courts: Navigating Through The Fog, Jim Murphy
Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)
Presenter: Jim Murphy, Wetlands and Water Resources Counsel, National Wildlife Federation, VT
25 slides
Freshwater Responses To Nitrogen And Phosphorus Pollution And A Case Study Of Cutler And Dingle Marsh Wetlands, Wayne A. Wurtsbaugh
Freshwater Responses To Nitrogen And Phosphorus Pollution And A Case Study Of Cutler And Dingle Marsh Wetlands, Wayne A. Wurtsbaugh
Watershed Sciences Faculty Publications
No abstract provided.
Sustainable Water Policies In The Rocky Mountain West: An Action Agenda, Sarah Bates
Sustainable Water Policies In The Rocky Mountain West: An Action Agenda, Sarah Bates
Shifting Baselines and New Meridians: Water, Resources, Landscapes, and the Transformation of the American West (Summer Conference, June 4-6)
Presenter: Sarah Bates, Western Progress
10 pages.
Includes bibliographical references
"Review Draft, May 15, 2008"