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Articles 1 - 30 of 33
Full-Text Articles in Life Sciences
A Novel Study Of Cliff Swallow (Petrochelidon Pyrrhonota) Feather Coloration In Relation To Habitat Characteristics, Colony Size, And Body Condition, Sonja Brandt, Medhavi Ambardar
A Novel Study Of Cliff Swallow (Petrochelidon Pyrrhonota) Feather Coloration In Relation To Habitat Characteristics, Colony Size, And Body Condition, Sonja Brandt, Medhavi Ambardar
SACAD: John Heinrichs Scholarly and Creative Activity Days
Feather coloration is used for social signaling in many avian species, and can be associated with their ability to live and breed in habitats with high quality resources (Jenkins et al. 2013, Saino et al. 2013). It can signify individual quality, (Saino et al. 2013) and influence mate choice (Bennet et al. 1996). We analyzed different aspects of Cliff Swallow (Petrochelidon pyrrhonota) feather coloration in relation to morphology and habitat characteristics. We measured luminance, hue (theta and phi), and saturation for four different color patches on the swallows. We predicted that individuals in brighter coloration would be able to settle …
Nekton Community Responses To Living Shoreline Restorations In Alabama, Shelby Kuck, Christopher Grant, Matheus De Barros, Alexandra Rodriguez, Ronald Baker
Nekton Community Responses To Living Shoreline Restorations In Alabama, Shelby Kuck, Christopher Grant, Matheus De Barros, Alexandra Rodriguez, Ronald Baker
Gulf and Caribbean Research
No abstract provided.
The Deep Ecology Movement
The International Journal of Ecopsychology (IJE)
There are two great streams of environmentalism in the latter half of the twentieth century. One stream is reformist, attempting to control some of the worst of the air and water pollution and inefficient land use practices in industrialized nations and to save a few of the remaining pieces of wildlands as "designated wilderness areas." The other stream supports many of the reformist goals but is revolutionary, seeking a new metaphysics, epistemology, cosmology, and environmental ethics of person/planet. This paper is an intellectual archeology of the second of these streams of environmentalism, which I will call deep ecology.
Socio-Economic Factors Of Environmental Problems, Manzura Kamalova, D. Shakenov
Socio-Economic Factors Of Environmental Problems, Manzura Kamalova, D. Shakenov
Karakalpak Scientific Journal
People consciously and intensively rebuild their nature according to their own needs, creating rural and urban areas in which they live. People care about the quality of life in the context of the unity of nature and culture. Social is a relatively new discipline that deals with urban space and environmental issues. One way to imagine what is beneficial to people is to find out what is economically best for the person. The article examines the economic factors that form the attitude towards social ecology in Kazakhstan. The article concludes that society should cooperate to achieve common things, both for …
Investigating The Effects Of Climate Change On The Phenology Of Achillea Millefolium, Aquilegia Coerulea, And Penstemon Cyanocaulis, Hannah O’Toole, Kailey Hicks, Lisa Long, Jackson Garske, Anna Sher
Investigating The Effects Of Climate Change On The Phenology Of Achillea Millefolium, Aquilegia Coerulea, And Penstemon Cyanocaulis, Hannah O’Toole, Kailey Hicks, Lisa Long, Jackson Garske, Anna Sher
DU Undergraduate Research Journal Archive
As the effects of climate change are starting to unearth themselves, the impacts can be observed by tracking the patterns of cyclical natural phenomena also known as phenology, and monitoring how they have changed over time. These cycles are at the crux of making ecosystems viable for their local biodiversity, and understanding the ongoing change allows for further understanding of the ecosystem’s change over time. In this study, we look at the ordinal flowering dates of the Achillea millefolium, Aquilegia coerulea, and Penstemon cyanocaulis over the past century. Our data give insight into how warmer temperatures occurring earlier in …
Composition, Population Structure And Regeneration Potential Of Tree Species In Oak-Dominated Mixed Forests Of Rajouri District In Jammu And Kashmir, India, Mohd Junaid Jazib, Javed Manzoor
Composition, Population Structure And Regeneration Potential Of Tree Species In Oak-Dominated Mixed Forests Of Rajouri District In Jammu And Kashmir, India, Mohd Junaid Jazib, Javed Manzoor
Journal of Bioresource Management
The study was carried out to explore the diversity and regeneration potential of trees species in mixed Oak forest of Rajouri district of Jammu and Kashmir (India). A total of 20 tree species were recorded from the area dominated by various species of oak particularly Quercus leuchotrichophora. Quercus leuchotrichophora shows maximum values of density, basal cover and IVI. In different localities, it has different groups of associates like Q. floribunda, Q. semecarpifolia, Q. glauca, Buxux wallichiana, Pinus roxburghii, Aesculus indica, Rhododendron arboreum, etc. Majority of the species show very poor regeneration and thus demands for immediate implementation of appropriate conservation …
Spiders You May Encounter While Social Distancing: A Field Guide To Oregon, Daniel K. Hufnagel
Spiders You May Encounter While Social Distancing: A Field Guide To Oregon, Daniel K. Hufnagel
Anthós
This document is simply a short field guide on the many endearing spiders you have encountered or will potentially encounter while social distancing in Oregon. Included are journal entries for six different species of spider, with each log containing an illustration and a description of the physical appearance, behavior, and habitat of the arachnid listed. Also included is a basic diagram depicting the anatomy of the common spider.
Population Fluctuation And Diurnal Time Budgeting Of White-Headed Duck (Oxyura Leucocephala) During Winter At Garaet Hadj Tahar (Skikda, North East Algerian), Merzoug Seyf Eddine, Abdi Soumia, Bara Mouslim, Houhamdi Moussa
Population Fluctuation And Diurnal Time Budgeting Of White-Headed Duck (Oxyura Leucocephala) During Winter At Garaet Hadj Tahar (Skikda, North East Algerian), Merzoug Seyf Eddine, Abdi Soumia, Bara Mouslim, Houhamdi Moussa
Journal of Bioresource Management
This study was focused on the ecology and behavior of the White-headed Duck (Oxyura leucocephala) at Garaet Hadj Tahar (Guerbes-Sanhadja, North East of Algeria). Sampling was carried out during two wintering seasons (2017-2018 and 2018-2019). High number of this duck was recorded in 2018/19 (350 individuals). We observed two Oxyura population, the first sedentary, and the second, hosted the Garaet during the wintering season. Diurnal time budget was dominated by the comfort activities the sleeping with a rate of 39.13%. Following by swimming (37.76%), feeding (17.59%) grooming (4.58%), courtship ritual (0.56%) and flying (0.38%). The feeding of white-headed …
Effects Of Varying Heat Indexes On Habitat Utilization And Behavior On Captive Red-Ruffed Lemurs (Varecia Rubra), Jeffrey Gammon
Effects Of Varying Heat Indexes On Habitat Utilization And Behavior On Captive Red-Ruffed Lemurs (Varecia Rubra), Jeffrey Gammon
The Pegasus Review: UCF Undergraduate Research Journal
The two captive red-ruffed lemurs (Varecia rubra) at the Central Florida Zoo experienced a more temperate climate and utilized a differing habitat than they would in their native range, Madagascar. Proper management of the species in captivity is crucial for its long-term survival as they are critically endangered. Over a four month period, heat index temperature, lemur behavior, and habitat utilization data were collected via an instantaneous scan sample. Variables were analyzed to characterize how variations in heat index alter habitat utilization and behavior of the captive lemurs. As the heat index increased, habitat use became more restricted …
Black Vulture Conflict And Management In The United States: Damage Trends, Management Overview, And Research Needs, Bryan M. Kluever, Morgan B. Pfeiffer, Scott C. Barras, Brett G. Dunlap, Lee A. Humberg
Black Vulture Conflict And Management In The United States: Damage Trends, Management Overview, And Research Needs, Bryan M. Kluever, Morgan B. Pfeiffer, Scott C. Barras, Brett G. Dunlap, Lee A. Humberg
Human–Wildlife Interactions
Contrary to rapid declines of many vulture (Accipitridae, Cathartidea) species worldwide, black vulture (Coragyps atratus) populations are increasing and expanding their range in North America. Vultures exhibit complex behaviors and can adapt to any human-dominated landscape or land use. These traits, combined with population growth and range expansion, have contributed to increased human–vulture conflicts. Our goal was to summarize the current status and trends in human–black vulture conflicts (hereafter human–vulture conflicts), review available management strategies, identify knowledge gaps, and provide recommendations to enhance management and understanding of this species and the associated conflicts. We found human–vulture conflicts are …
Practicalities Of Re-Wilding, William C. Mcgrew
Practicalities Of Re-Wilding, William C. Mcgrew
Animal Sentience
Re-wilding large-brained, intelligent mammals dependent on social learning to acquire survival skills is challenging. Each reintroduced species has different needs, but basic questions relating to essential aspects of successful release such as subsistence remain the same. Here I pose 12 ecologically and ethologically based questions that should be addressed (if not already done).
Urbanization And Population Growth: Projected Impacts Of Growth On Ecological Resources In Ontario1, Laura J. Bozzelli
Urbanization And Population Growth: Projected Impacts Of Growth On Ecological Resources In Ontario1, Laura J. Bozzelli
International ResearchScape Journal
No abstract provided.
Ornithological Expeditions To Sarawak, Malaysian Borneo, 2007-2017, Frederick H. Sheldon, Haw Chuan Lim, Phred M. Benham, Matthew L. Brady, Clare E. Brown, Ryan C. Burner, Vivien L. Chua, John C. Mittermeier, Subir B. Shakya, Paul Van Els, Mustafa Abdul Rahman, Dency F. Gawin, Zahirunisa Abdul Rahim, Luisa Duya Setia, Robert Moyle
Ornithological Expeditions To Sarawak, Malaysian Borneo, 2007-2017, Frederick H. Sheldon, Haw Chuan Lim, Phred M. Benham, Matthew L. Brady, Clare E. Brown, Ryan C. Burner, Vivien L. Chua, John C. Mittermeier, Subir B. Shakya, Paul Van Els, Mustafa Abdul Rahman, Dency F. Gawin, Zahirunisa Abdul Rahim, Luisa Duya Setia, Robert Moyle
Occasional Papers of the Museum of Natural Science, Louisiana State University
Louisiana State University, the University of Kansas, and the Universiti Malaysia Sarawak undertook collaborative research on the evolution and ecology of Bornean birds starting in 2005. This collaboration included a series of expeditions from 2007–2017 to collect and study birds at >30 sites in Sarawak, Malaysian Borneo. Here we provide information on the study-sites and summarize the main discoveries resulting from the collaboration.
Diversity And Abundance Of Soil Microbes Differ Along A Forest-Pasture Transect, Hannah Suli, Ashley Schumann, Cleo Bickley, Jasmine Rodriguez
Diversity And Abundance Of Soil Microbes Differ Along A Forest-Pasture Transect, Hannah Suli, Ashley Schumann, Cleo Bickley, Jasmine Rodriguez
IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt
No abstract provided.
Spot-On! Exploring Comprehension Of Ecological Concepts With Abstract Art Analogies, Jane Huggins
Spot-On! Exploring Comprehension Of Ecological Concepts With Abstract Art Analogies, Jane Huggins
The STEAM Journal
Students enrolled in an online general studies course [GNM 2190: Extinct and Threatened Life] at Stockton University were presented with two different pieces of abstract art. They were asked to draw analogies from each piece of art to the ecological concepts studied in the course. Students provided written responses which were submitted as assignments in the learning management software, Blackboard [Bb]. This exercise was described as ‘open-ended’ by the instructor; no grading rubrics were used. Responses to each piece of art were collected from 47 students and were subsequently uploaded into Quirkosä software for qualitative analysis. Codes representing major concepts …
Cognition, Emotion, Personality And The Conservation And Management Of Wild Ungulates, Rob Found
Cognition, Emotion, Personality And The Conservation And Management Of Wild Ungulates, Rob Found
Animal Sentience
Increasing public understanding of the complexity of wild ungulates can improve animal welfare and advance global conservation efforts of these keystone species. Unfortunately, shaping public opinion on wild species is challenging because personal experience with wildlife is declining, popular education is still biased towards the predator instead of the prey, and scientific research is more difficult to conduct on wild ungulates compared to those on farms, in zoos, or otherwise in captivity. Nevertheless, studies of cognition, individuality, and intelligence of wild ungulates are increasing. I briefly highlight some major results from my own work on complexity in wild elk, illustrating …
Long-Tailed Weasel (Mustela Frenata) Distribution Survey In Arkansas: Challenges In Detecting A Rare Species, Suzanne D. Johnston, D. Blake Sasse, Robert E. Kissell Jr.
Long-Tailed Weasel (Mustela Frenata) Distribution Survey In Arkansas: Challenges In Detecting A Rare Species, Suzanne D. Johnston, D. Blake Sasse, Robert E. Kissell Jr.
Journal of the Arkansas Academy of Science
Long-tailed weasels (Mustela frenata) have one of the widest distributions of mustelids in the western hemisphere and were distributed across a majority of the American continents ranging from Canada through the contiguous United States, Mexico, and into northern South America. However, on a local scale they are considered uncommon and rare. We assessed the distribution of long-tailed weasels across Arkansas to determine occupancy in each ecoregion of Arkansas, and determined the detectability on two local, adjacent sites. No long-tailed weasels were detected within the ecoregions, but the species was detected with intensive sampling on one local site. It …
Compositional Changes In Two Small Mammal Communities During Succession In Southeastern Virginia, Robert K. Rose, Robyn M. Nadolny, Jay Kiser, Stephen E. Rice, Heather Green Salamone, Jana Eggleston, Holly D. Gaff
Compositional Changes In Two Small Mammal Communities During Succession In Southeastern Virginia, Robert K. Rose, Robyn M. Nadolny, Jay Kiser, Stephen E. Rice, Heather Green Salamone, Jana Eggleston, Holly D. Gaff
Virginia Journal of Science
Changes in the composition of two small mammal communities were studied during 8 and 9 years of ecological succession in southern Chesapeake. Virginia. Using monthly live-trapping on grids of similar size and history since their abandonment as agricultural fields, we learned that house mice were early colonists on one grid but not the other. Two species of herbivorous rodent and the granivorous eastern harvest mouse were numerically dominant on both grids across the study. Some species disappeared early on one grid but persisted to the end at the other. The two arboreal small mammals, golden and white-footed mice, were most …
Desert Pool {If Every Desert Was Once A Sea}, Karen Miranda Abel
Desert Pool {If Every Desert Was Once A Sea}, Karen Miranda Abel
The Goose
Desert Pool {If every desert was once a sea} is a site-specific art project by Canadian artist Karen Miranda Abel completed in 2016 while artist-in-residence at Joya: arte + ecología, an arts-led research centre situated in an alpine desert within a national park in southern Spain. The elemental installation represents an envisioning of the ancient sea that occupied the Sierra de María-Los Vélez Natural Park millions of years before the current desert ecology, a time when its highest mountain peaks may have been islands.
Ecofeminism: The Path Towards Healing The Earth, Jamie Thompson
Ecofeminism: The Path Towards Healing The Earth, Jamie Thompson
Dialogue & Nexus
The concept of the patriarchy, or any concept in which one group dominates another, is inseparable from the formation of human kind’s domination of nature. This domination of nature has led to the current the ecological crisis humanity faces. Those who deny climate change can admit to the massive amounts of pollution, trash, and deforestation. Despite this worsening economic crisis, those in power have been slow to react. Women can ultimately provide and lead the movement to solve this ecological crisis through the growing movement of Ecofeminism. In the philosophy of Ecofeminism, individuals recognize and reject western dualistic thinking that …
Rapid Museum, Gary Barwin
An Inquiry Into The Pedagogical Implications Of Dewey’S Ecological Thinking, Simon Jorgenson
An Inquiry Into The Pedagogical Implications Of Dewey’S Ecological Thinking, Simon Jorgenson
Occasional Paper Series
My primary purpose is to (re)examine Dewey in the context of contemporary conceptions of ecology and environmental education. With this in mind, I will focus primarily on what Dewey has to say about the natural world, beginning with his general philosophy and moving through several of his educational works.
The Sea Among Us: The Amazing Strait Of Georgia By Richard Beamish And Gordon Mcfarlane, Dee Horne Dr.
The Sea Among Us: The Amazing Strait Of Georgia By Richard Beamish And Gordon Mcfarlane, Dee Horne Dr.
The Goose
Review of The Sea Among Us: The Amazing Strait of Georgia by Richard Beamish and Gordon McFarlane.
A Preliminary Study Of Soundscape Analysis As A Measurement Of Ecosystem Health, Veronica M. Jachowski, Lisa Kenny, Michelle Hauer, Andrew Kühn, Spencer Barrett
A Preliminary Study Of Soundscape Analysis As A Measurement Of Ecosystem Health, Veronica M. Jachowski, Lisa Kenny, Michelle Hauer, Andrew Kühn, Spencer Barrett
DePaul Discoveries
In this study, acoustic ecology, the analysis of soundscapes -- composed of geophony, biophony, and anthrophony -- is applied as a potential measurement of ecosystem health. Recordings were taken from four locations in the greater Chicago area. By combining traditional ecological assessments including soil analysis, worm density surveys, and vegetation surveys, and correlating the results with acoustic data we highlight the value of soundscape analysis and suggest lines of future inquiry.
Ecology/ Graduate Students/ Westra & Walton/ University Of Oregon/ 2012, Brian Westra, Dean Walton
Ecology/ Graduate Students/ Westra & Walton/ University Of Oregon/ 2012, Brian Westra, Dean Walton
Data Information Literacy Case Study Directory
The case study covers a one-shot seminar style Data Information Literacy program offered to graduate students associated with an NSF funded Ecology project. Topics covered included file formats, publishing data, metadata, preservation and data citation. Materials include a book chapter describing the case study, the lesson plan for the session and the evaluation form used to gather feedback.
Persons As Plants: Ecopsychology And The Return To The Dream Of Nature, Monica Gagliano
Persons As Plants: Ecopsychology And The Return To The Dream Of Nature, Monica Gagliano
Landscapes: the Journal of the International Centre for Landscape and Language
Abstract. In this article, I examine human-plant perceptions and interactions in terms of developing a new perspective on the perception and the actions of people towards plants. By combining my scientific understanding of the biological world and my own experiences working with plant shamans, storytellers and mystics from around the world, I engage with the idea that the hierarchical structure by which Western science defines the variety of life forms as ‘primitive’ or ‘more evolved’ is at the root of the current environmental crisis and I argue that the solution to it rests in a change of this very perspective.
The Population Dynamics Of Two Rodents In Two Coastal Marshes In Virginia, Robert K. Rose, John A. March
The Population Dynamics Of Two Rodents In Two Coastal Marshes In Virginia, Robert K. Rose, John A. March
Virginia Journal of Science
The communities of small mammals were evaluated for 13 months with capture-mark-recapture methods in two Spartina-Juncus marshes of the Atlantic coast in Northampton County, Virginia. Small mammals were trapped for three days each month using live traps placed on floats on two study grids. Two rodents were numerically dominant (~90% of small mammals) there: marsh rice rat, Oryzomys palustris, and meadow vole, Microtus pennsylvanicus. Monthly estimates of population density were greater for rice rats (peak: 45/ha) than for those of meadow voles (peak: 30/ha). Survival rates were generally low, especially for rice rats, indicating highly vagile populations. Both …
First Record Of Pond Sliders (Trachemys Scripta Scripta And T. S. Elegans) At Fredericksburg, Virginia With Observations On Population Size, Age And Growth, Werner Wieland, Yoshinori Takeda
First Record Of Pond Sliders (Trachemys Scripta Scripta And T. S. Elegans) At Fredericksburg, Virginia With Observations On Population Size, Age And Growth, Werner Wieland, Yoshinori Takeda
Virginia Journal of Science
We conducted a turtle mark-recapture program within a 160 m stretch of the Fredericksburg Canal with standard, baited hoop nets from May to July 2012 to determine if a population of the introduced Red-eared Slider (Trachemys scripta elegans) and Yellow-bellied Slider (Trachemys s. scripta) are established in this area. We captured and marked nine Red-eared Sliders (1 male, 8 females) and estimated a population size of 23 individuals. Most were reproductively mature. The established population in the canal may be a source of introduction into the Rappahannock River.
Why Snails? How Gastropods Improve Our Understanding Of Ecological Disturbance, Christopher P. Bloch
Why Snails? How Gastropods Improve Our Understanding Of Ecological Disturbance, Christopher P. Bloch
Bridgewater Review
The concept of equilibrium - the idea that a perturbed system will tend to return to its original state - is the basis for many foundational theories in ecology. Yet, the spatial and temporal dynamics of ecosystems are strongly influenced by disturbance. If a particular disturbance greatly alters local climatic conditions, gastropods should be among the first organisms to show a measurable response. The effects of human alteration of habitats (for example, conversion of forest to agriculture) have much longer-lasting effects than those of natural disturbances.
Wood Anatomy Of Family Salvadoraceae From The Indian Subcontinent With Special Reference To The Ultrastructure Of The Vessel Wall, Vishakha Saxena, Sangeeta Gupta
Wood Anatomy Of Family Salvadoraceae From The Indian Subcontinent With Special Reference To The Ultrastructure Of The Vessel Wall, Vishakha Saxena, Sangeeta Gupta
Aliso: A Journal of Systematic and Floristic Botany
The present study describes the wood microstructure of Azima tetracantha, Salvadora oleoides, and S. persica, the members of family Salvadoraceae represented in the Indian Subcontinent. An identification key based on wood anatomical features has been developed for the separation of the species. SEM studies revealed the presence of vesturing in intervessel pits of Salvadora.