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Articles 6301 - 6330 of 12847
Full-Text Articles in Entire DC Network
Chapter 7 - Arthropods: Spiders, Janice M. Glime, Jørgen Lissner
Chapter 7 - Arthropods: Spiders, Janice M. Glime, Jørgen Lissner
Bryophyte Ecology Volume 2: Bryological Interaction
Explore the contents of Bryophyte Ecology, Volume 2, Chapter 7 - Arthropods: Spiders by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Subchapters 7-3 through 7-5 have been coauthored by Jørgen Lissner.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 15 - Reptiles, Janice M. Glime
Chapter 15 - Reptiles, Janice M. Glime
Bryophyte Ecology Volume 2: Bryological Interaction
Explore the contents of Bryophyte Ecology, Volume 2, Chapter 15 - Reptiles by clicking the link above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 11 - Aquatic Insects, Janice M. Glime
Chapter 11 - Aquatic Insects, Janice M. Glime
Bryophyte Ecology Volume 2: Bryological Interaction
Explore the contents of Bryophyte Ecology, Volume 2, Chapter 11 - Aquatic Insects by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 14 - Amphibians, Janice M. Glime, William J. Boelema
Chapter 14 - Amphibians, Janice M. Glime, William J. Boelema
Bryophyte Ecology Volume 2: Bryological Interaction
Explore the contents of Bryophyte Ecology, Volume 2, Chapter 14 - Amphibians by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 1 - Introduction, Janice M. Glime
Chapter 1 - Introduction, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 1 - Introduction by clicking the link above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 13 - Decomposition, Janice M. Glime
Chapter 13 - Decomposition, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 13 - Decomposition by clicking the link above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 10 - Temperature, Janice M. Glime
Chapter 10 - Temperature, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 10 - Temperature by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 8 - Nutrients, Janice M. Glime
Chapter 8 - Nutrients, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 8 - Nutrients by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Chapter 7 - Water Relations, Janice M. Glime
Chapter 7 - Water Relations, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 7 - Water Relations by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Offspring Sex Ratio In Double Brooding Prothonotary Warblers, Radleigh Herschel, Anthony G. Kouri, Rebecca Vareed, Stephanie Warshawsky, Matthew Desaix
Offspring Sex Ratio In Double Brooding Prothonotary Warblers, Radleigh Herschel, Anthony G. Kouri, Rebecca Vareed, Stephanie Warshawsky, Matthew Desaix
Rice Rivers Center Research Symposium
Prothonotary warblers are bright, golden birds who, with their loud calls, make themselves known in wetland habitats in the spring after returning from their winter homes in the Neotropics to breed. This migratory species is important to study because of their need for these habitats and are declining in population due to the degradation of wetland environments across the western hemisphere.
VCU started a project in 1987 to study prothonotary warblers including population genetics, breeding biology, and migration ecology. Since then, with the help of Richmond Audubon Society, the project has erected over 600 nesting boxes along the James River …
Analysis Of Bioaccumulation Of Selenium Diets In Brook Trout (Salvelnius Fontinalis), Kyle Aaron Tasker
Analysis Of Bioaccumulation Of Selenium Diets In Brook Trout (Salvelnius Fontinalis), Kyle Aaron Tasker
Theses, Dissertations and Capstones
The brook trout (Salvelinus fontinalis) is facing many challenges throughout the Appalachian region, which are thought to be brought on by effects of climate change and the loss of habitat because of the disturbance from the pursuit of energy sources, namely, the mining of coal in the region. Most of the mining occurs in the central plateau and southern mountain region of West Virginia. The brook trout have historically had an expansive range covering this region and has the potential to inhabit the headwater stream systems that occur very prevalently throughout the Appalachians. In the state of West Virginia, the …
Evaluating Trophic Rewilding As A Conservation Technique, Aaron Sieve
Evaluating Trophic Rewilding As A Conservation Technique, Aaron Sieve
Biology: Student Scholarship & Creative Works
The focus for this paper is to define specifically trophic rewilding, determine its efficacy as a conservation technique, and explore ways to lessen one of its key limitations. Trophic rewilding is the conservation technique whereby an extirpated keystone species or ecosystem engineer is reintroduced into a degraded habitat to restore ecological function by triggering trophic cascades. The technique is evaluated through analysis of the concepts of trophic cascades and ecosystem engineers. Key limitations of trophic rewilding are that a lack of population control in reintroduced may cause issues, that many times not enough is known about trophic cascades to be …
Chapter 4 - Invertebrates, Janice M. Glime
Chapter 4 - Invertebrates, Janice M. Glime
Bryophyte Ecology Volume 2: Bryological Interaction
Explore the contents of Bryophyte Ecology, Volume 2, Chapter 4 - Invertebrates by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Where Can Wolves Live And How Can We Live With Them?, L. David Mech
Where Can Wolves Live And How Can We Live With Them?, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
In the contiguous 48 United States, southern Canada, and in Europe, wolves (Canis lupus) have greatly increased and expanded their range during the past few decades.They are prolific, disperse long distances, readily recolonize new areas where humans allow them, and are difficult to control when populations become established.Because wolves originally lived nearly everywhere throughout North America and Eurasia, and food in the form of wild and domestic prey is abundant there, many conservation-minded people favor wolves inhabiting even more areas.On the other hand, wolves conflict in several ways with rural residents who prefer fewer wolves. This article discusses …
Herbivore Effects On Productivity Vary By Guild: Cattle Increase Mean Productivity While Wildlife Reduce Variability, Grace K. Charles, Lauren Mcgeoch Porensky, Corinna Riginos, Kari E. Veblen, Truman P. Young
Herbivore Effects On Productivity Vary By Guild: Cattle Increase Mean Productivity While Wildlife Reduce Variability, Grace K. Charles, Lauren Mcgeoch Porensky, Corinna Riginos, Kari E. Veblen, Truman P. Young
Wildland Resources Faculty Publications
Wild herbivores and livestock share the majority of rangelands worldwide, yet few controlled experiments have addressed their individual, additive, and interactive impacts on ecosystem function. While ungulate herbivores generally reduce standing biomass, their effects on aboveground net primary production (ANPP) can vary by spatial and temporal context, intensity of herbivory, and herbivore identity and species richness. Some evidence indicates that moderate levels of herbivory can stimulate aboveground productivity, but few studies have explicitly tested the relationships among herbivore identity, grazing intensity, and ANPP. We used a long- term exclosure experiment to examine the effects of three groups of wild and …
Chapter 2 - Life Cycles And Morphology, Janice M. Glime
Chapter 2 - Life Cycles And Morphology, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 2 - Life Cycles and Morphology by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
This video of Marchantia sperm dispersal accompanies this chapter: https://digitalcommons.mtu.edu/bryophyte-ecology-video/1/
Chapter 4 - Adaptive Strategies, Janice M. Glime
Chapter 4 - Adaptive Strategies, Janice M. Glime
Bryophyte Ecology Volume 1: Physiological Ecology
Explore the contents of Bryophyte Ecology, Volume 1, Chapter 4 - Adaptive Strategies by clicking the links above. For the Contents section of this ebook, as well as Volumes 1 through 5, please visit the Bryophyte Ecology Main Page.
Use CTRL+F to easily search within PDF files.
Ebook sponsored by Michigan Technological University and the International Association of Bryologists.
Patch-Occupancy Survey Of Elephant (Loxodonta Africana) Surrounding Livingstone, Zambia, David Youldon, Jackie Abell, Joanne Briffitt, Bruce A. Schulte
Patch-Occupancy Survey Of Elephant (Loxodonta Africana) Surrounding Livingstone, Zambia, David Youldon, Jackie Abell, Joanne Briffitt, Bruce A. Schulte
Biology Faculty Publications
Wild elephants represent the biggest human–wildlife conflict issue in Livingstone, Zambia. However, little is known about their movements. This survey investigated elephants’ habitat use outside a core protected and fenced zone that forms part of Mosi-oa-Tunya National Park, Zambia. Using ‘patch-occupancy’ methodology, indications of elephant presence (feeding behaviour, dung and tracks) were surveyed. The survey aimed to assist proposed future monitoring exercises by defining the geographical extent that should be considered to improve accuracy in species abundance estimates. Results were supplemented using collected indications of elephant presence from prior monitoring exercises, and during this survey. Elephant presence was confirmed up …
Time Of Plant Establishment Affects Prairie Composition, Aleisa Labelle
Time Of Plant Establishment Affects Prairie Composition, Aleisa Labelle
Sustainable RIVER
No abstract provided.
Raising Consciousness About Chicken Consciousness, Bernard Rollin
Raising Consciousness About Chicken Consciousness, Bernard Rollin
Animal Sentience
The topics explored by Marino are definitive, and should work well to lay to rest forever the widespread belief that chickens have no personality, are unintelligent, or in any other way lack a mental life.
Chickens’ Brains, Like Ours, Are Lateralized, Lesley J. Rogers
Chickens’ Brains, Like Ours, Are Lateralized, Lesley J. Rogers
Animal Sentience
This commentary draws attention to yet another attribute that has been instrumental in demonstrating the cognitive abilities of domestic chicks: lateralization of brain function. The discovery of lateralization in domestic chicks was part of the first evidence showing that humans are not unique in this respect. The effects on cognitive ability of sensory stimulation in critical stages of development have implications for the welfare of chicks, as well as other species.
Are Chicken Minds Special?, Rafael Freire, Susan J. Hazel
Are Chicken Minds Special?, Rafael Freire, Susan J. Hazel
Animal Sentience
The number of publications on chicken cognition and emotion exceeds that on most birds and is comparable to the number of publications on some more “advanced” mammals. We argue that the chicken is an excellent model for this type of research because of (1) the presence of well-established fundamental mental processes in the chicken, (2) a challenging ethological environment and (3) social pressures that may have facilitated the evolution of cognitive abilities similar to those of some mammals. Marino’s (2017) review provides an excellent foundation for the continued study of complex mental abilities in this species.
In Memory Of Patrick Bateson, James A. Serpell
Chickening Out Of Change: Will Knowing More About Thinking Chickens Change Public Perceptions?, Ewan Bottomley, Steve Loughnan
Chickening Out Of Change: Will Knowing More About Thinking Chickens Change Public Perceptions?, Ewan Bottomley, Steve Loughnan
Animal Sentience
This commentary examines the next step in Marino’s target article – changing people’s attitudes and beliefs about chickens. The scientific case seems clear: chickens are far more complex, psychologically and socially, than originally thought. Marino suggests we use this information to make people feel uncomfortable about their dietary choices in the hope of changing them. We review the psychological literature, examining how people maintain meat consumption despite the clash with their moral beliefs (the “meat paradox”). This work highlights the important gap between what science knows about animals and what people think about animals.
Evolutionary Continuity, Anne Benvenuti
Evolutionary Continuity, Anne Benvenuti
Animal Sentience
The principle of evolutionary continuity states that all animal capacities and behaviors exist — with variations in degree — in continuity with other species. Rather than assuming discontinuity, we should ask why any behavior observed in humans would not be found in at least some other sentient animals under similar conditions. In the case of suicide, the more pertinent issue might be the ethical one: our human responsibility for creating conditions under which other animals might deliberately seek to end their own lives.
Non-Human Animal Suicide Could Be Tested, David Lester
Non-Human Animal Suicide Could Be Tested, David Lester
Animal Sentience
Schaefer (1967) showed that mice can discriminate live from dead mice and lethal from nonlethal environments, and that they avoid a lethal environment; but the experiment lacked some controls. This might be a way to test whether mice would ever choose a lethal environment. Humans may also choose a potentially lethal environment unconsciously.
Understanding Animal Suicide And Death Can Lead To Better End-Of-Life Care, Jessica Pierce
Understanding Animal Suicide And Death Can Lead To Better End-Of-Life Care, Jessica Pierce
Animal Sentience
Peña-Guzmán’s target article on animal suicide will help inform end-of-life care for animals by emphasizing the need for a broad research focus on animal thanatology. Greater scientific understanding of the continuum of death-related awareness, experiences, and behaviors will help us improve veterinary care for animals at the end of life.
Complicated Grief, Teya Brooks Pribac
Complicated Grief, Teya Brooks Pribac
Animal Sentience
My commentary discusses complicated grief and the ensuing sense of helplessness that may lead to suicide. I close with a story about a pygmy pig.
Can Nonhuman Animals Commit Suicide?, David M. Peña-Guzmán
Can Nonhuman Animals Commit Suicide?, David M. Peña-Guzmán
Animal Sentience
Many people believe that only humans have the cognitive and behavioral capacities needed for suicidal behavior, such as reflexive subjectivity, free will, intentionality, or awareness of death. Three counterarguments — based on (i) negative emotions and psychopathologies among nonhuman animals, (ii) the nature of self-destructive behavior, and (iii) the problem of model fidelity in suicide research — suggest that self-destructive and self-injurious behaviors among human and nonhuman animals vary along a continuum.
Tribute To Jaak Panksepp, Jonathan Balcombe