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Aquatic Ecology - Science topic

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Publications related to Aquatic Ecology (1,872)
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Studies that rely on noninvasive collection of DNA for birds often use feces or feathers. Some birds, such as vultures, regurgitate undigested matter in the form of pellets that are commonly found under roost sites. Our research demonstrates that regurgitated pellets are a viable, noninvasive source of DNA for molecular ecology studies of vultures....
Book
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This work is a compilation of terms frequently used by those who work in wetlands, aquatic activities and in general in aquatic ecology. Emphasis was placed on explaining voices used in Venezuela, but in order to reach a broader Spanish-speaking public, terms that appeared in texts or technical reports from other countries in the region, and from t...
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The primary goal in the development of at-risk species conservation assessments is to compile biological and ecological information that may assist conservation practitioners in making decisions regarding the conservation of species of interest. The Nebraska Natural Legacy Project recognizes the timber rattlesnake (Crotalus horridus) as a Tier 1 at...
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Resource utilization strategies of avian migrants are a major concern for conservation and management. Understanding seasonal habitat selection by migratory birds helps us explain the ongoing continental declines of migratory bird populations. Our objective was to compare the second-order and third-order habitat selection by the American White Peli...
Article
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This study focused on the information needs and seeking behavior of Illegal oil bunkers in Imiringi Town of Bayelsa state. Three research questions were formulated to guide the study. and was carried out using 150 questionnaires in order to ascertain the information needs and information seeking behavior of Illegal oil bunkers. The study adopted a...
Article
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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is presumed to have originated from wildlife and shares homology with other bat coronaviruses. Determining the susceptibility of North American bat species to SARS-CoV-2 is of utmost importance for making decisions regarding wildlife management, public health, and conservation. In this st...
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Social learning can help animals gain knowledge rapidly and may enhance survival. In species that are subjected to capture in foothold traps and then lethally removed, such as the coyote (Canis latrans), learning to avoid traps is critical to survival. Here, we tested social learning of trap avoidance behavior in three experimental scenarios with c...
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The history of the discovery and the exploration of the hemione populations (Equus hemionus PALLAS) from Central Asia (Mongolia, northwest China, northeast Tibet, Kazakhstan, and Russian Siberia) from the 13th century to approximately 1950 are compiled with the aim to provide materials for a taxonomic and population genetic revision of the dziggeta...
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The Virginia opossum (Didelphis virginiana), North America's only marsupial, has a range extending from southern Ontario, Canada, to the Yucatan Peninsula, Mexico, and from the Atlantic seaboard to the Pacific. Despite the Virginia opossum's taxonomic uniqueness in relation to other mammals in North America and rapidly expanding distribution, its e...
Article
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Description du sujet. L’étude de la qualité physico-chimique de l’eau vise une connaissance des risques écologiques que l’activité d’extraction du sable peut engendrer sur l’environnement et ses ressources. Objectifs. Évaluer l’impact de l’extraction du sable fluvio-lagunaire sur la qualité physico-chimique de l’eau des écosystèmes aquatiques du su...
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Achieving global sustainability goals requires most people and societies to fundamentally revisit their relationship with nature. New approaches are called for to guide change processes towards sustainable futures that embrace the plurality of people's desired relationships with nature. This paper presents a novel approach to exploring desirable fu...
Article
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Coyotes (Canis latrans) are expanding their range and due to conflicts with the public and concerns of Coyotes affecting natural resources such as game or sensitive species, there is interest and often a demand to monitor Coyote populations. A challenge to monitoring is that traditional invasive methods involving live-capture of individual animals...
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The fate of (micro)plastic particles in the open ocean is controlled by biological and physical processes. Here, we model the effects of biofouling on the subsurface vertical distribution of spherical, virtual plastic particles with radii of 0.01–1 mm. The biological specifications include the attachment, growth and loss of algae on particles. The...
Article
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Negative economic impacts resulting from wildlife disrupting livestock operations through depredation of stock are a cause of human‐wildlife conflict. Management of such conflict requires identifying environmental and non‐environmental factors specific to a wildlife species' biology and ecology that influence the potential for livestock depredation...
Article
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As drinking water quality determines the health and sanitation of any area, it is imperative to assess and monitor the water quality. Kathmandu University Drinking Water Supply Centre (aKUa) was established in 2017 with an aim to provide good quality and processed drinking water to different schools and associated offices of Kathmandu University (K...
Article
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The Double-crested Cormorant is the primary avian predator on catfish farms causing significant economic losses primarily due to 1) on-farm expenditures related to bird-management activities and 2) value of the catfish lost to cormorants. This comprehensive economic study quantified these two economic effects by surveying catfish farms in the delta...
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Submarine sinkholes are found on carbonate platforms around the world. They are thought to form and grow when groundwater interactions generate conditions corrosive to carbonate minerals. Because their morphology can restrict mixing and water exchange, the effects of biogeochemical processes can accumulate such that the sinkhole water properties co...
Article
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Rabies, a zoonotic encephalitis due to transmission of a lyssavirus, such as rabies virus (RABV), has the highest case fatality of any infectious disease. A global program for the elimination of human rabies caused by dogs is proposed for realization by 2030. Sensitive, specific, and inexpensive diagnostic tests are necessary for enhanced surveilla...
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Background. Human-induced changes to ecosystems transform the availability of resources to predators, including altering prey populations and increasing access to anthropogenic foods. Opportunistic predators are likely to respond to altered food resources by changing the proportion of food they hunt versus scavenge. These shifts in foraging behavio...
Thesis
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In Nebraska and other regions of the Great Plains, the conifer Juniperus virginiana (eastern redcedar) is converting grasslands to dense woodlands. This is driven by the interacting drivers of fire suppression, altered grazing regimes, climate change and other anthropogenic factors, impacting the provisioning of ecosystem services. This vegetation...
Article
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Humans have used wild furbearers for various purposes for thousands of years. Today, furbearers are sustainably used by the public for their pelts, leather, bones, glands, meat, or other purposes. In North America, contemporary harvest of furbearers has evolved along with trap technologies and societal concerns, and is now highly regulated and more...
Chapter
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Oyster culture is a practice within aquaculture that deals with the cultivation of oysters for commercialization, which is an activity on the rise in Brazil. However, the anthropic pressures, linked to pollution in natural ecosystems, make the quality and availability of this food poor due to the loss of quality in the estuaries where these species...
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"Discovery, Rediscovery and Rebirth: new eyes, new understanding of familiar places" is the theme for the Fall-Winter 2021-22 issue. The main article package consists of five stories about the lands and waters that will comprise the Connecticut National Estuarine Research Reserve (CT NERR). These are: overview and introduction; Great Island; lower...
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"As ecologists and evolutionary biologists, it is important to recognize that issues surrounding AAPI do not exist in a vacuum and that these issues affect some of our students and colleagues in and outside of the classroom and lab. Recently, anti-Asian racism has been brought to the forefront of US society. Though media attention has primarily foc...
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To determine the drivers of phytoplankton biomass, we collected standardized morphometric, physical, and biological data in 230 lakes across the Mediterranean, Continental, and Boreal climatic zones of the European continent. Multilinear regression models tested on this snapshot of mostly eutrophic lakes (median total phosphorus [TP] = 0.06 and tot...
Article
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During the years 2019-2020, research was carried out on the assessment of the health status of fish in the upper Danube sector of Romania. Fish species belonging to the families Ciprinidae, Siluridae, Esocidae, Percidae, Clupeidae and Acipenseridae were analyzed. Fish were sampled from two stations: Station 1-km 1048, near Moldova Nouă and Station...
Conference Paper
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A análise da temperatura da água em reservatórios, bem como seu regime térmico, caracteriza-se como uma importante variável na investigação pautada na ecologia aquática. A obtenção convencional da temperatura é um complicador quando necessita-se monitorar extensos reservatórios de forma simultânea. Nesse sentido, a fim de otimizar o processo de mon...
Article
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As in many fields of wildlife research and management, camera devices and photogrammetry have become an integral part of the toolkit for exploring otherwise‐unseen aspects of the biology, behavior, and control of the invasive brown treesnake (Boiga irregularis) on Guam. Because brown treesnakes are cryptic and nocturnal, and nearly all aspects of t...
Article
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Soapweed Yucca (Yucca glauca) is a conspicuous and common shrub in the Great Plains of North America, characterized by tall woody flower stalks, large flowers and seed pods, and dense masses of ground-level evergreen leaves. These plant structures can provide a variety of resources or functions to animals. In general, studies focus on single specie...
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The implementation of the Environmental Management Advisory at Maranhão State University, in 2015, promoted environmental education actions as a continuous in the institution, and coordinated by the Environmental Management System of the advisory. The approval on the call for the creation of Green Rooms, by the Ministry of Environment, became this...
Article
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Quantitative evaluation of control tools for managing invasive species is necessary to assess overall effectiveness and individual variation in treatment susceptibility. Invasive brown treesnakes (Boiga irregularis) on Guam have caused severe ecological and economic effects, pose a risk of accidental introduction to other islands, and are the great...
Conference Paper
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Los cangrejos de agua dulce (CAD) primarios son exclusivos del agua dulce, cumplen su ciclo de vida independiente del mar, y tienen desarrollo directo (suprimen estadios larvales).Este trabajo evalúa la dinámica y la estructura poblacional de dos especies de CAD: Rodriguezus iturbei y Orthothelphusa venezuelensis (Pseudothelphusidae) en dos arroyo...
Article
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The Gulf of Maine is one of the fastest warming marine areas on the planet: The industries and creatures that call it home face an unprecedented shift in their interactions and existence. Scientists, policy makers, and practitioners often want to communicate to the public about the seriousness of the situation to encourage mitigation and adaptation...
Article
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The goal of the present study was to realize an inventory of target fish of the subsistence fishery from Genipaúba Village, Santa Bárbara do Pará, Brazil. The inventory was carried out during local fisheries throughout the main river between March and April 2018. The collections were performed with gillnets of 25 to 40 mm of mesh size, and length v...
Article
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The avifauna of Guam was devastated by the introduction of the Brown Treesnake, and the restoration of native birds would need to address the problem with eradication or suppression of BTS. With eradication of the snake unlikely in the near term, and suppression capabilities limited to specific finite areas, key information for reintroductions is h...
Article
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Ongoing anthropogenic and climatic pressures on inland waters have made water quality management a challenge of the 21st century. A holistic catchment‐scale approach to water management which includes stakeholder participation will be a key in maintaining lake health. A first step toward community engagement is to bolster environmental literacy on...
Article
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Removing invasive rats from island ecosystems using rodenticides has proven conservation benefits and is an important management tool for conserving and restoring island ecosystems. However, rodenticide-based eradications can fail if not all rats consume enough bait to result in lethal toxicosis. A recent post-operational review of a failed attempt...
Article
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Because of the difficulty of measuring nanoplastics (NP), the use of NPs doped with rare Earth metals has been proposed as a promising approach to detect NP in environmental media and biota. In the present study, the freshwater amphipod Gammarus pulex were exposed to palladium (Pd)-doped NP via natural sediment at six spiking concentrations (0, 0.3...
Article
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Wildlife-aircraft collisions (wildlife strikes) pose a serious safety risk to aircraft. Raptors (i.e., hawks and owls) are one of the most frequently struck guilds of birds within North America. Although raptors (most notably red-tailed hawks [Buteo jamaicensis]) are commonly managed at most airports and military bases, there is no scientific infor...
Article
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On the evenings of June 11 and 12, 2019, 5 and 6 days before full moon, broadcast spawning by four echinoderm species and two mollusc species was observed on the Marsa Shagra reef, Egypt (25° 14′ 44.2" N, 34° 47′ 49.0" E). Water temperature was 28 °C and the invertebrates were observed at 2–8 m depth. The sightings included a single basket star Ast...
Article
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Wolf conflicts are primarily related to predation on livestock, pets and other domestic animals, as well as their direct and indirect impacts on native ungulates (i.e., big game). Economic losses vary widely with some livestock producers facing high levels of depredation in some areas. This publication focuses on wolf ecology, damage, and managemen...
Article
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River otter (Lontra canadensis) populations in North America have been the focus of significant restoration efforts. Wildlife management agencies, concerned about the unintentional take of river otters incidental to beaver (Castor canadensis) trapping, may recommend techniques to avoid capturing river otters. River otter avoidance techniques that a...
Chapter
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The system of the Tigris-Euphrates Rivers is one of the great river systems of southwestern Asia. It comprises the Tigris and Euphrates Rivers, which follow roughly parallel courses through the heart of the Middle East. The lower portion of the region that they run through is known as Mesopotamia, was one of the cradles of civilisation. There are...
Article
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For decades, we have known that chemicals affect human and wildlife behavior. Moreover, due to recent technological and computational advances, scientists are now increasingly aware that a wide variety of contaminants and other environmental stressors adversely affect organismal behavior and subsequent ecological outcomes in terrestrial and aquatic...
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Reptiles utilize a variety of environmental cues to inform and drive animal behavior such as chemical scent trails produced by food or conspecifics. Decrypting the scenttrailing behavior of vertebrates, particularly invasive species, enables the discovery of cues that induce exploratory behavior and can aid in the development of valuable basic and...
Article
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Human exposure to microplastic is recognized as a global problem, but the uncertainty, variability, and lifetime accumulation are unresolved. We provide a probabilistic lifetime exposure model for children and adults, which accounts for intake via eight food types and inhalation, intestinal absorption, biliary excretion, and plastic-associated chem...
Article
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Plain Language Summary Satellite images show that clouds which develop in the lowest 5 km of the atmosphere organize into many visually distinct patterns. Because different patterns reflect sunlight differently, a change in the relative occurrence of a pattern may influence Earth's response to warming. To study this effect, one typically first enca...
Article
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Native flora and fauna of Puerto Rico have a long biogeographic connection to South America. Theory and empirical evidence suggest that islands, particularly those distantly isolated from the mainland, should be more susceptible to naturalizations and invasions of non-native species than continental areas. Anthropogenic disturbances can facilitate...
Article
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Gray wolves (Canis lupus) and Mexican wolves (Canis lupus baileyi) once again roam across landscapes where they have been absent for decades (Figure 1). With wolf range expansion comes increased opportunities for conflicts when wolves harass or prey on domestic livestock or other animals. Wolves have relatively high reproductive and dispersal rates...
Article
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In August 2020, outbreaks of coronavirus disease were confirmed on mink farms in Utah, USA. We surveyed mammals captured on and around farms for evidence of infection or exposure. Free-ranging mink, presumed domestic escapees, exhibited high antibody titers, suggesting a potential severe acute respiratory syndrome coronavirus 2 transmission pathway...
Article
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Effective mitigation of human–wildlife conflict should aim to reduce conflicts while also minimizing wildlife mortality. Translocation is often used to mitigate human–wildlife conflict but translocated individuals may have reduced survival, which could negatively affect population growth and social acceptance of translocation as a management tool....
Article
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As wild pigs (Sus scrofa) expand throughout North America researchers are increasingly being tasked with trapping and marking entire sounders (family groups) to attach monitoring devices or other identifying markers to gather knowledge to inform management. Capture and marking procedures can be challenging, dangerous for both researchers and animal...
Article
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The technology of deploying and designing micro and nanostructures using silica is expensive and has technical and practical complexities, so the use of natural nanostructures can be cheaper and more environment-friendly. Presentation of this green capacity can be the starting point for further study developments by interested engineers and nanotec...
Article
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The brown treesnake (Boiga irregularis) was accidentally introduced to Guam and caused severe ecological and economic damages. Acetaminophen is an effective, low-risk oral toxicant for invasive brown treesnakes, and an automated aerial delivery system (ADS) has been developed for landscape-scale toxic bait distribution. A fixed dose of 80 mg of ace...
Article
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Information on the distribution and current status of 25 species or subspecies of mammals occurring in Nebraska are presented. The species covered include one shrew, an armadillo, eight bats, 10 rodents (including two subspecies of one species), three carnivores, and one artiodactyl. Distributional information reported includes the first state reco...
Article
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Appended data Supplement 1 Spreadsheet with all values and definitions used in the ecological niche models for the current paper: Conservation status and Natural History of Ctenomys, Tuco‐Tucos in Bolivia. Supplement 2 Spreadsheet with all individual specimen data used in the ecological niche models for the current paper: Conservation Status and Na...
Article
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Coexistence of sympatric felids is facilitated by mutual avoidance and the partitioning of habitats, prey, and time. Anthropogenic disturbances disrupt this coexistence in fragmented landscapes, potentially triggering cascading influences in ecological communities. We used photographic data from 8,717 trap nights (November 2014–June 2016) at 87 cam...
Article
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Beaver-related restoration is a process-based strategy that seeks to address wide-ranging ecological objectives by reestablishing dam building in degraded stream systems. Although the beaver-related