Comstock Point, Lubec, Maine - A Natural And Photographic History,
2024
The University of Maine
Comstock Point, Lubec, Maine - A Natural And Photographic History, Willaim H. Schlesinger, Lisa M. Dellwo
Documents from Environmental Organizations
A natural and photographic history of our lands compiled by Lisa Dellwo and Bill Schlesinger, with the help of many friends and neighbors.
In Memoriam Richard F. Ayrey (1948 – 2024),
2024
Marshall University
In Memoriam Richard F. Ayrey (1948 – 2024), Melinda Deboer-Ayrey, Brandon T. Myers, Robert W. Bryson, Jr., Michael M. Webber, Matthew R. Graham, Graeme Lowe, Victor Fet, František Kovařík
Euscorpius
This is a memorial issue honoring Richard F. Ayrey (1948 – 2024), a US scorpiologist. A full list of his 26 works is appended, as well as a list of scorpion taxa described by Richard (two genera and 19 species of Vaejovidae), and a map of their type localities in the USA and Mexico.
Improve Governance System Of National Parks, Build The World‘S Largest National Park System With High Quality,
2024
Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
Improve Governance System Of National Parks, Build The World‘S Largest National Park System With High Quality, Baorong Huang
Bulletin of Chinese Academy of Sciences (Chinese Version)
Improving the governance system of national parks is an inevitable requirement for China’s high-quality construction of the world’s largest national park system. This study analyzes the main challenges and problems faced by China’s national park governance based on long-term investigation on national parks and national park system pilot areas. Under the overall logic of modernization of China’s national governance system and governance capabilities, drawing on international experiences in sound governance of regional and watershed public goods and national parks, this study proposes a theoretical framework for establishing a “four in one” national park governance system in China, including a comprehensive …
Regime Of National Park Group Based On Protected Area System In Tibetan Plateau,
2024
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
Regime Of National Park Group Based On Protected Area System In Tibetan Plateau, Dong Chen, Yafei Wang, Dengsheng Wu, Jie Fan
Bulletin of Chinese Academy of Sciences (Chinese Version)
China’s national park reform has entered a new stage of promoting reform based on the protected area system. The national park team of the second comprehensive scientific investigation and research on the Tibetan Plateau (TP) took the lead in putting forward the construction plan of the TP protected area, which is dominated by national park in area and function. The TP national park group, including “small group” which refer to national park, and “large group” which refer to different protected areas, innovates the long-term mechanism for the construction of national ecological security barriers on TP. The national park group requires …
Experience And Enlightenment Of Eu Natura 2000 Protected Area Network,
2024
Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing 100049, China
Experience And Enlightenment Of Eu Natura 2000 Protected Area Network, Ling Tang, Baorong Huang, Tong Jin, Xuetian Hu
Bulletin of Chinese Academy of Sciences (Chinese Version)
The EU Natura 2000 protected area network, covering nearly 19% of the land and 10% of the sea in the EU, has played an important role in protecting biodiversity and enhancing regional socio-economic well-being, and is regarded as the most successful protected area network in the world. Its successful experience is mainly reflected in five aspects. (1) The adoption of regional biodiversity conservation legislation and the promotion of compliance with the law by member countries to promote the construction of the protected area network. (2) The establishment of a decision-making and implementation mechanism that combines the EU resolution process and …
Problems And Suggestions Of Building Scientific Decision-Making And Advisory Mechanism Of National Parks—Governance-Based Perspective,
2024
Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
Problems And Suggestions Of Building Scientific Decision-Making And Advisory Mechanism Of National Parks—Governance-Based Perspective, Yu Wei, Duowei Cheng, Yi Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
National parks are multi-factor, multi-functional and multi-dimensional complexes, which makes them difficult to follow the traditional administration and management modes, and need to explore the construction of a modernized governance system. An important step in enhancing the effectiveness of governance is to establish a reasonable, and efficient scientific decision-making and consultation mechanism. China has made remarkable progress in scientific decision-making and consultation in national parks. However, there are still some problems with the national parks’ decision-making process and effectiveness due to vague definition of authority and responsibility, dependence on departmentalized management paths, and inadequate upward and downward transmission of information …
Effects Of Hemiparasites In Grassland Restorations Are Not Universal,
2024
Champaign County Forest Preserve District
Effects Of Hemiparasites In Grassland Restorations Are Not Universal, Anna Scheidel, Victoria Borowicz
Faculty Publications – Biological Sciences
Root hemiparasites infiltrate the vascular tissue of host roots to acquire water and nutrients, which often reduces host growth. Hemiparasites are postulated to be keystone species in grassland communities if they suppress dominant species and increase plant community biodiversity, and ecosystem engineers if they increase nutrient accessibility for surrounding species. We examined keystone effects by evaluating species richness and evenness in 1 m2 plots in a recent prairie restoration where Castilleja sessiliflora was naturally present or absent, and in a longer-established prairie restoration with or without Pedicularis canadensis. We examined ecosystem engineer effects by determining nitrate and phosphate concentrations …
Revision Of The Genus Olivierus In Xinjiang, China, With Comments On Mesobuthus Thersites (Scorpiones: Buthidae),
2024
Marshall University
Revision Of The Genus Olivierus In Xinjiang, China, With Comments On Mesobuthus Thersites (Scorpiones: Buthidae), Victoria Tang, Zhenbang Liu, Matthew R. Graham, Victor Fet, František Kovařík, František Šťáhlavský
Euscorpius
The genus Olivierus Farzanpay, 1987 in Xinjiang Uygur Autonomous Region, China, is revised based on recently collected topotypes and other populations from 12 localities. Brief differential diagnoses are provided, with colored illustrations and photos in vivo habitus, emphasizing the key characters. Chinese appellations, conservation status, and documentation of behavior and post-envenomation symptoms are also included. Only two species are now recognized for this genus in Xinjiang: O. longichelus (Sun & Zhu, 2010) and O. przewalskii (Birula, 1897), based on both morphological and molecular evidence. The two species exhibit extensive distribution in Xinjiang (China) while also occurring in adjacent countries. Three …
Effects Of Hemiparasites In Grassland Restorations Are Not Universal,
2024
Illinois State University
Effects Of Hemiparasites In Grassland Restorations Are Not Universal, Anna Marie Scheidel, Victoria Borowicz
Faculty Publications – Biological Sciences
Root hemiparasites infiltrate the vascular tissue of host roots to acquire water and nutrients, which often reduces host growth. Hemiparasites are postulated to be keystone species in grassland communities if they suppress dominant species and increase plant community biodiversity, and ecosystem engineers if they increase nutrient accessibility for surrounding species. We examined keystone effects by evaluating species richness and evenness in 1 m2 plots in a recent prairie restoration where Castilleja sessiliflora was naturally present or absent, and in a longer-established prairie restoration with or without Pedicularis canadensis. We examined ecosystem engineer effects by determining nitrate and phosphate concentrations …
Towards Sociobiogeochemistry: Critical Perspectives On Anthropogenic Alterations To Soil Nitrogen Chemistry Via U.S. Urban And Suburban Development,
2024
The Graduate Center, City University of New York
Towards Sociobiogeochemistry: Critical Perspectives On Anthropogenic Alterations To Soil Nitrogen Chemistry Via U.S. Urban And Suburban Development, Christopher D. Ryan
Dissertations, Theses, and Capstone Projects
The ecological impacts of changes to land use are relevant to concerns about climate change, eutrophication of waterbodies, and reductions in biodiversity. As a foundational component of ecosystem functioning, changes to soil biogeochemistry have significant effects on overall ecosystem health. With cities continuing to grow and develop in extent, the impacts of urbanization and suburbanization on soils are of particular concern. Despite a wide range of natural climatic and geologic conditions, several factors have driven similar patterns of land transformation and management across the United States. In particular, federal initiatives including the Home Owners Loan Corporation, the Federal Housing Administration, …
Animal Conservation In St. Louis,
2024
University of Missouri, St. Louis
Animal Conservation In St. Louis, Kate O'Sullivan
Undergraduate Research Symposium
St. Louis has a multitude of organizations involved in the natural sciences. But how many of them actually contribute towards animal conservation? The St. Louis Zoo is an organization that focuses a lot of its effort on presentation, so how does that impact the funds that go towards actually saving the animals? I plan to dive into the different animal-based organizations in St. Louis and its surrounding areas, as well as discuss the positives and negatives of each organization. Furthermore, I will provide examples from several sources that I have been reviewing all year to support my claims. I plan …
A Survey Of Proximal Sensilla Associated With Denticle Subrows On Scorpion Pedipalp Fingers (Arachnida: Scorpiones), With Observations On Scorpion Fluorescence,
2024
Marshall University
A Survey Of Proximal Sensilla Associated With Denticle Subrows On Scorpion Pedipalp Fingers (Arachnida: Scorpiones), With Observations On Scorpion Fluorescence, Graeme Lowe, Victor Fet
Euscorpius
Sensilla on the dentate margins of scorpion pedipalp fingers, associated with denticle subrows or terminal denticles, were surveyed by white light, UV fluorescence and scanning electron microscopy. A total of 163 species belonging to 103 genera from 19 families were examined, representing all major phylogenetic lineages in the order. In the majority of species (141/152) with dentition organized into linear subrows of median denticles, a small socketed sensillum with a short shaft was observed at the proximal terminus of each subrow, termed a ‘subrow proximal sensilla’ (SPS). With few exceptions, SPS were non-fluorescent (‘Type N’) in buthids, and fluorescent (‘Type …
Complex Dynamics Of Coral Gene Expression Responses To Low Ph Across Species,
2024
Old Dominion University
Complex Dynamics Of Coral Gene Expression Responses To Low Ph Across Species, Veronica Z. Radice, Ana Martinez, Adina Paytan, Donald C. Potts, Daniel J. Barshis
Biological Sciences Faculty Publications
Coral capacity to tolerate low pH affects coral community composition and, ultimately, reef ecosystem function. Low pH submarine discharges (‘Ojo’; Yucatán, México) represent a natural laboratory to study plasticity and acclimatization to low pH in relation to ocean acidification. A previous >2‐year coral transplant experiment to ambient and low pH common garden sites revealed differential survivorship across species and sites, providing a framework to compare mechanistic responses to differential pH exposures. Here, we examined gene expression responses of transplants of three species of reef‐building corals (Porites astreoides, Porites porites and Siderastrea siderea) and their algal endosymbiont communities …
Lycosidae Abundance And Diversity Across Lawn And Leaf Litter Substrate,
2024
Virginia Commonwealth University
Lycosidae Abundance And Diversity Across Lawn And Leaf Litter Substrate, Sage O. Lockett, Dan Albrecht-Mallinger
Undergraduate Research Posters
Significant knowledge gaps exist in how land-cover impacts ground-hunting spider populations. To fill these gaps, this study investigates a common family of ground-hunting spiders, Lycosidae, to determine differences in their abundance and diversity in deciduous leaf litter and managed turfgrass (lawn). The study was conducted within a forested ecosystem at Virginia Commonwealth University's Rice Rivers Center in Charles City County, Virginia. I placed 10 belt transects (1m x 20m) on lawn substrate and 10 identical transects in deciduous forest leaf litter substrate. I performed repeated visual census via eyeshine and manual capture of up to three individuals per transect …
Quantifying The Ecological Effects Of Salix Fragilis On Riparian Habitat In Kittitas County, Washington,
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 …
Preliminary Diversity Of Panamanian Amphipod Crustaceans Within The Parvorder Caprellidira,
2024
Georgia College & State University, Milledgeville, GA 31061
Preliminary Diversity Of Panamanian Amphipod Crustaceans Within The Parvorder Caprellidira, Sally Sir, Kristine N. White Ph. D.
Graduate Research Showcase
Amphipods are an order of Crustacean which are responsible for many ecosystem services including nutrient cycling, environmental bioindication, as well as supporting higher trophic levels as a primary food source. Amphipods are incredibly successful and as such, can be found in high volumes in freshwater, marine, and terrestrial systems. Panama is typically associated with well-documented biodiversity because it is part of the Caribbean. Despite this, amphipods have previously been understudied within Panama with only 33 species reported before this study. Due to the success of caprellidiran amphipods, we hypothesized that there would be a higher number of amphipods within the …
Checklist And Key To The Millipede Species Of Georgia, United States, With Notes On Distribution,
2024
Georgia College & State University
Checklist And Key To The Millipede Species Of Georgia, United States, With Notes On Distribution, Lance Andrew, Bruce Snyder
Graduate Research Showcase
Millipedes are an exceptionally diverse class of animals that have an impact on soil structure and nutrient cycling. Despite their abundance, importance, and wide distribution, they are understudied compared to other animal taxa, and biogeographical information is scant. Georgia, though the largest state by land area east of the Mississippi River, has largely been overlooked by regional millipede checklists. Without baseline species distributions and abundances to inform wildlife management decisions, sufficient measures cannot be taken to preserve millipede biodiversity, especially in light of recent changes in climate and land use. Taxonomic resources for millipede identification in North America are also …
Assessing Endophyte Frequency Distributions And The Effect Of Epichloë Brachyelytri In The Chemotypic And Genotypic Diversity Of Brachyelytrum Erectum,
2024
University of Kentucky
Assessing Endophyte Frequency Distributions And The Effect Of Epichloë Brachyelytri In The Chemotypic And Genotypic Diversity Of Brachyelytrum Erectum, Rachel Ann Sneed
Theses and Dissertations--Plant Pathology
Seed-transmissible epichloid fungal endophytes are best known for their roles as defensive mutualists in cool-season grasses. Historically, the discovery of fungal endophytes was driven by investigations of plant toxicity to livestock, followed by extensive study of their alkaloids and protection against insects and nematodes. Epichloae can produce four classes of alkaloids: ergot alkaloids, lolines (saturated aminopyrrolizidines), indole–diterpenes, and peramine. It is increasingly evident that these hereditary symbionts have much more diverse chemical profiles both in individual populations and between them. To this end, differences in chemotypic profiles of these symbionts may translate to different evolutionary and environmental advantages across plant …
Seasonal Abundance Of The Nudibranch Dondice Jupiteriensis On The Colonial Hydroid Eudendrium Carneum,
2024
University of Tampa
Seasonal Abundance Of The Nudibranch Dondice Jupiteriensis On The Colonial Hydroid Eudendrium Carneum, Erika Molina, Daniela Gutierrez-Andrade, Samantha Schlegel, Julia Piper, Louis J. Ambrosio, Michael L. Middlebrooks
Gulf and Caribbean Research
Benthic colonial hydroids often serve as a host to a large variety of invertebrate taxa. The colonial hydroid Eudendrium carneum Clarke, 1882 is host to a variety of epifauna, including the recently described nudibranch Dondice jupiteriensis García—Méndez & Valdés, 2022. Like many species of heterobranch sea slugs, little is known about the natural history and population biology of D. jupiteriensis. Here we describe a year—long study recording the population density and size structure of D. jupiteriensis on E. carneum colonies in Tampa Bay, FL USA. We found that the D. jupiteriensis population persists year—round but is the densest during …
A Conservation Model: Costa Rican Conservation Strategies Effectively Preserve Their Threatened Primates,
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 …
