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11,765 full-text articles. Page 3 of 303.

Tree Localization In A Plantation Using Ultra Wideband Signals, Akshat Verma 2024 Purdue University

Tree Localization In A Plantation Using Ultra Wideband Signals, Akshat Verma

The Journal of Purdue Undergraduate Research

No abstract provided.


Smokejumper Obituary: Clements, Frank Robert (North Cascades 1988), National Smokejumper Association 2024 Eastern Washington University

Smokejumper Obituary: Clements, Frank Robert (North Cascades 1988), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Hall, David E. (Mccall 1980), National Smokejumper Association 2024 Eastern Washington University

Smokejumper Obituary: Hall, David E. (Mccall 1980), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Perianth Evolution And Implications For Generic Delimitation In The Eucalypts (Myrtaceae), Including The Description Of The New Genus, Blakella, Michael D. Crisp, Bui Q. Minh, Bokyung Choi, Robert D. Edwards, James Hereward, Carsten Kulheim, Yen Po Lin, Karen Meusemann, Andrew H. Thornhill, Alicia Toon, Lyn G. Cook 2024 The University of Queensland

Perianth Evolution And Implications For Generic Delimitation In The Eucalypts (Myrtaceae), Including The Description Of The New Genus, Blakella, Michael D. Crisp, Bui Q. Minh, Bokyung Choi, Robert D. Edwards, James Hereward, Carsten Kulheim, Yen Po Lin, Karen Meusemann, Andrew H. Thornhill, Alicia Toon, Lyn G. Cook

Michigan Tech Publications, Part 2

Eucalypts (Myrtaceae tribe Eucalypteae) are currently placed in seven genera. Traditionally, Eucalyptus was defined by its operculum, but when phylogenies placed Angophora, with free sepals and petals, as sister to the operculate bloodwood eucalypts, the latter were segregated into a new genus, Corymbia. Yet, generic delimitation in the tribe Eucalypteae remains uncertain. Here, we address these problems using phylogenetic analysis with the largest molecular data set to date. We captured 101 low-copy nuclear exons from 392 samples representing 266 species. Our phylogenetic analysis used maximum likelihood (IQtree) and multispecies coalescent (Astral). At two nodes critical to generic delimitation, we tested …


Non-Invasive Methods For Monitoring Weasels: Emerging Technologies And Priorities For Future Research, David S. Jachowski, Scott M. Bergeson, Stacy Cotey, Elizabeth Croose, Tim R. Hofmeester, Jenny MacPherson, et al. 2024 Clemson University

Non-Invasive Methods For Monitoring Weasels: Emerging Technologies And Priorities For Future Research, David S. Jachowski, Scott M. Bergeson, Stacy Cotey, Elizabeth Croose, Tim R. Hofmeester, Jenny Macpherson, Et Al.

Michigan Tech Publications, Part 2

Weasels (genus Mustela and Neogale) are of management concern as declining native species in some regions and invasive species in others. Regardless of the need to conserve or remove weasels, there is increasingly a need to use non-invasive monitoring methods to assess population trends. We conducted a literature review and held the first ever International Weasel Monitoring Symposium to synthesise information on historical and current non-invasive monitoring techniques for weasels. We also explored current limitations, opportunities, and areas of development to guide future research and long-term monitoring. Our literature search revealed that in the past 20 years, camera traps were …


Smokejumper Obituary: Roos, Alford "Omar" (Redding 1983), National Smokejumper Association 2024 Eastern Washington University

Smokejumper Obituary: Roos, Alford "Omar" (Redding 1983), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Engagement For Life's Sake: Reflections On Partnering And Partnership With Rural Tribal Nations☆, Chelsea Schelly, Valoree Gagnon, Kathleen Brosemer, Kristin Arola 2024 Michigan Technological University

Engagement For Life's Sake: Reflections On Partnering And Partnership With Rural Tribal Nations☆, Chelsea Schelly, Valoree Gagnon, Kathleen Brosemer, Kristin Arola

Michigan Tech Publications, Part 2

In this paper, we reflect on our collective experiences engaging with Anishinaabe Tribal Nations in the Great Lakes region to support Tribal sovereignty in decision-making for food, energy, and water (FEW) systems. In these diverse experiences, we find common lessons. The first set of lessons contributes new empirical knowledge regarding the challenges and opportunities that rural Great Lakes Tribal Nations navigate for enacting sovereignty in decision-making. Our experiences illustrate that while Tribal Nations benefit from a broad and deep commitment to sovereignty and many cultural strengths, they are often challenged by shortages in administrative capacity; technical support; and embeddedness in …


Smokejumper Obituary: Jessup, Gerald M. (North Cascades 1959), National Smokejumper Association 2024 Eastern Washington University

Smokejumper Obituary: Jessup, Gerald M. (North Cascades 1959), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Komberec, Charles Richard "Dick" (Pilot 0000), National Smokejumper Association 2024 Eastern Washington University

Smokejumper Obituary: Komberec, Charles Richard "Dick" (Pilot 0000), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: May, Paul James (Missoula 1970), National Smokejumper Association 2024 Eastern Washington University

Smokejumper Obituary: May, Paul James (Missoula 1970), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Quantifying The Ecological Effects Of Salix Fragilis On Riparian Habitat In Kittitas County, Washington, Landon Shaffer 2024 Central Washington University

Quantifying The Ecological Effects Of Salix Fragilis On Riparian Habitat In Kittitas County, Washington, Landon Shaffer

All Master's Theses

Invasive species threaten plant community structure and function globally. Riparian areas, the zone near streams where water influences vegetation, are especially sensitive to invasive species colonization, suffering large-scale shifts in community composition. Salix fragilis (crack willow) is a nonnative riparian species abundant in the lower elevation tributaries of central Washington. Some speculate whether this willow should be listed as invasive in Washington, despite a lack of regional supporting evidence. I studied riparian communities dominated by either S. fragilis or native species in the Kittitas Valley and measured biodiversity, quantified differences in solar attenuation, and compared leaf decomposition rates to learn …


Stabilization Of Pfas-Contaminated Soil With Sewage Sludge- And Wood-Based Biochar Sorbents, Erlend Sørmo, Clara Benedikte Mader Lade, Julie Zhang, Alexandros G. Asimakopoulos, Geir Wold Åsli, Michel Hubert, Aleksandar I. Goranov, Hans Peter H. Arp, Gerard Cornelissen 2024 Norwegian Geotechnical Institute

Stabilization Of Pfas-Contaminated Soil With Sewage Sludge- And Wood-Based Biochar Sorbents, Erlend Sørmo, Clara Benedikte Mader Lade, Julie Zhang, Alexandros G. Asimakopoulos, Geir Wold Åsli, Michel Hubert, Aleksandar I. Goranov, Hans Peter H. Arp, Gerard Cornelissen

Chemistry & Biochemistry Faculty Publications

Sustainable and effective remediation technologies for the treatment of soil contaminated with per- and polyfluoroalkyl substances (PFAS) are greatly needed. This study investigated the effects of waste-based biochars on the leaching of PFAS from a sandy soil with a low total organic carbon content (TOC) of 0.57 ± 0.04% impacted by PFAS from aqueous film forming foam (AFFF) dispersed at a former fire-fighting facility. Six different biochars (pyrolyzed at 700–900°C) were tested, made from clean wood chips (CWC), waste timber (WT), activated waste timber (aWT), two digested sewage sludges (DSS-1 and DSS-2) and de-watered raw sewage sludge (DWSS). Up-flow column …


Persistent Net Release Of Carbon Dioxide And Methane From An Alaskan Lowland Boreal Peatland Complex, Eugénie S. Euskirchen, Colin W. Edgar, Evan Kane, Mark P. Waldrop, Rebecca B. Neumann, Kristen L. Manies, Thomas A. Douglas, Catherine Dieleman, Miriam C. Jones, Merritt R. Turetsky 2024 University of Alaska Fairbanks

Persistent Net Release Of Carbon Dioxide And Methane From An Alaskan Lowland Boreal Peatland Complex, Eugénie S. Euskirchen, Colin W. Edgar, Evan Kane, Mark P. Waldrop, Rebecca B. Neumann, Kristen L. Manies, Thomas A. Douglas, Catherine Dieleman, Miriam C. Jones, Merritt R. Turetsky

Michigan Tech Publications, Part 2

Permafrost degradation in peatlands is altering vegetation and soil properties and impacting net carbon storage. We studied four adjacent sites in Alaska with varied permafrost regimes, including a black spruce forest on a peat plateau with permafrost, two collapse scar bogs of different ages formed following thermokarst, and a rich fen without permafrost. Measurements included year-round eddy covariance estimates of net carbon dioxide (CO2), mid-April to October methane (CH4) emissions, and environmental variables. From 2011 to 2022, annual rainfall was above the historical average, snow water equivalent increased, and snow-season duration shortened due to later snow return. Seasonally thawed active …


Supporting Information For “Using Drones Equipped With Thermal Cameras To Locate And Count Quail Individuals And Coveys: A Case Study Using Northern Bobwhite Colinus Virginianus In Mississippi, Usa”, Jared A. Elmore 2024 Clemson University

Supporting Information For “Using Drones Equipped With Thermal Cameras To Locate And Count Quail Individuals And Coveys: A Case Study Using Northern Bobwhite Colinus Virginianus In Mississippi, Usa”, Jared A. Elmore

Publications

Drone flights were conducted over bobwhite individuals and coveys and information was collected on the date, time of flight, number of individuals estimated in the covey, and number of individuals flushed from the covey (i.e., actual number of individuals). We also report season of flight and the thermal sensor used for each flight. NA denotes that flush or capture was not attempted.


Assessing Changing Carbon Pool Dynamics And Species Composition In A Pennsylvania Broadleaf Forest Fragment, Kyleigh Levinsky, Jessica L. Schedlbauer 2024 West Chester University of Pennsylvania

Assessing Changing Carbon Pool Dynamics And Species Composition In A Pennsylvania Broadleaf Forest Fragment, Kyleigh Levinsky, Jessica L. Schedlbauer

Sustainability Research & Creative Activities Grants Reports

Temperate broadleaf forests are pivotal to the global carbon cycle, Representing 37% of the global forest carbon pool (Pan et al 2011). • Maintaining compositional diversity in temperate broadleaf forests, such as the Gordon Natural Area (GNA) is critical to maintaining ecosystem services, such as carbon sequestration. • Pressures from native and non-native herbivores threaten the biodiversity of temperate broadleaf forests in the United States (Ghandi et al. 2010). The introduction of non-native insects such as the emerald ash borer (Argrilus planipennis), as well as the overpopulation of white-tailed deer (Odocoileus virginianus) has led to declines in some tree species. …


A Conservation Model: Costa Rican Conservation Strategies Effectively Preserve Their Threatened Primates, Ryan Belmont 2024 Regis University

A Conservation Model: Costa Rican Conservation Strategies Effectively Preserve Their Threatened Primates, Ryan Belmont

Regis University Student Publications (comprehensive collection)

The wildlife of Costa Rica has experienced various anthropogenic threats over the last century including climate change and agricultural expansion. The mantled howler monkey (Alloutta palliata), Central American spider monkey (Ateles geoffroyi), white-faced capuchin (Cebus imitator), and the Central American squirrel monkey (Saimiri oerstedii) are Costa Rica’s native primates that face several anthropogenic threats such as deforestation for agriculture and climate change. In response to increased threats to its four native species of non-human primates, Costa Rica has implemented effective governmental conservation tactics such as the Payments for Environmental Services program, ecotourism …


Smokejumper Obituary: Cordova, Horace M. (Idaho City 1961), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Cordova, Horace M. (Idaho City 1961), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Hearn, Bernard Carter (Grangeville 1952), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Hearn, Bernard Carter (Grangeville 1952), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Mcdonald, Joseph Franklin "Joe" (West Yellowstone 1951), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Mcdonald, Joseph Franklin "Joe" (West Yellowstone 1951), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Long Oligodeoxynucleotides: Chemical Synthesis, Isolation Via Catching-By-Polymerization, Verification Via Sequencing, And Gene Expression Demonstration, Yipeng Yin, Reed Arneson, Alexander Apostle, Adikari M.D.N. Eriyagama, Komal Chillar, Emily Burke, Martina Jahfetson, Yinan Yuan, Shiyue Fang 2023 Michigan Technological University

Long Oligodeoxynucleotides: Chemical Synthesis, Isolation Via Catching-By-Polymerization, Verification Via Sequencing, And Gene Expression Demonstration, Yipeng Yin, Reed Arneson, Alexander Apostle, Adikari M.D.N. Eriyagama, Komal Chillar, Emily Burke, Martina Jahfetson, Yinan Yuan, Shiyue Fang

Michigan Tech Publications, Part 2

Long oligodeoxynucleotides (ODNs) are segments of DNAs having over one hundred nucleotides (nt). They are typically assembled using enzymatic methods such as PCR and ligation from shorter 20 to 60 nt ODNs produced by automated de novo chemical synthesis. While these methods have made many projects in areas such as synthetic biology and protein engineering possible, they have various drawbacks. For example, they cannot produce genes and genomes with long repeats and have difficulty to produce sequences containing stable secondary structures. Here, we report a direct de novo chemical synthesis of 400 nt ODNs, and their isolation from the complex …


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