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Articles 61 - 90 of 434

Full-Text Articles in Terrestrial and Aquatic Ecology

Convergent Evolution Of Sentience?, Culum Brown Prof. Jul 2020

Convergent Evolution Of Sentience?, Culum Brown Prof.

Animal Sentience

Mikhalevich & Powell make a compelling case that some invertebrates may be sentient and that our moral obligations in the context of welfare should hence extend to them. Although the case is similar to that made for fishes, there is one obvious difference in that examples of invertebrate sentience probably arose independently from vertebrate sentience. We have unequivocal proof that complex cognition arose multiple times over evolutionary history. Given that cognition is our best tool for indirectly quantifying sentience, it seems highly likely that this multiple polygenesis may also have occurred for sentience. In acknowledging this, we must accept that …

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Minds, Morality And Midgies, Brian Key, Deborah Brown Jul 2020

Minds, Morality And Midgies, Brian Key, Deborah Brown

Animal Sentience

Mikhalevich & Powell argue that the exclusion of the vast majority of arthropods from moral standing is unwarranted, particularly given the purported evidence for cognition and sentience in these organisms. The implied association between consciousness and moral standing is questionable and their assumption that rich forms of cognition and flexible behavior are dependent on phenomenal consciousness needs to be reconsidered in light of current neuroscientific evidence. We conclude by proposing a neural algorithmic approach for deciphering whether organisms are capable of subjective experience.

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Reclamation, Thomas R. Starkey-Owens May 2020

Reclamation, Thomas R. Starkey-Owens

Toyon: Multilingual Literary Magazine

No abstract provided.

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Rockhounding, Seafaring, And Other Material Tales For The End Of The World, Noemie Fortin Mar 2020

Rockhounding, Seafaring, And Other Material Tales For The End Of The World, Noemie Fortin

The Goose

In the face of accelerated environmental degradation and climate instability, the future of the Earth and of all life on earth is difficult to visualize. Therefore, the different mediums through which we consider environmental issues are just as important as the actions we take to address them. Focusing on three projects combining art, science, and activism, this article suggests a compilation of material tales. They tell stories of plastic rocks and aluminum nuggets where the protagonists are partly finely crafted objects, partly waste materials, and sometimes both at once. Artists Kelly Jazvac, Yesenia Thibeault-Picazo, and the collective Studio Swine collaborate …

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The Abyssinian Art Of Louis Agassiz Fuertes In The Field Museum, Paul A. Johnsgard Jan 2020

The Abyssinian Art Of Louis Agassiz Fuertes In The Field Museum, Paul A. Johnsgard

Zea E-Books Collection

This book documents the paintings and drawings executed by Louis Agassiz Fuertes during the Field Museum of Natural History’s seven-month expedition to Ethiopia (Abyssinia) in 1926–27. During that time Fuertes completed 70 field watercolors that illustrate 55 species of birds and four species of mammals. He also executed 34 pencil drawings, which illustrate 13 species of mammals and 11 species of birds, plus numerous miscellaneous sketches and small watercolors. This book identifies and describes the biology of all 69 species of birds and mammals illustrated by Fuertes and includes 32 color reproductions of Fuertes’s watercolors that were published as a …

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Invertebrates Should Be Given Ethical Consideration, Marie-Claire Cammaerts Jan 2020

Invertebrates Should Be Given Ethical Consideration, Marie-Claire Cammaerts

Animal Sentience

Invertebrates are far more numerous than vertebrates. Most of them are essential to the survival of humanity. Their physiology, behavior, know-how, and cognitive abilities are often as complex as those of vertebrates. Invertebrates should be considered and studied as are vertebrates, i.e., ethically, and cautiously.

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Ecological And Evolutionary Dynamics Of Elephant Rewilding, Lysanne Snijders Jan 2020

Ecological And Evolutionary Dynamics Of Elephant Rewilding, Lysanne Snijders

Animal Sentience

Baker & Winkler make a thought-provoking contribution to the discussion of what role captive animals could play in nature conservation and how we could get there through rewilding. There certainly is potential for captive Asian elephants, Elephas maximus, to become targets of conservation efforts, but there are also many questions: (1) How much do (behavioral) traits of captive-origin animals differ from their free conspecifics? (2) What predicts the likelihood and strength of social reintegration of captive animals into free populations? (3) How much of an Asian elephant’s functional role in the environment can captive animals still fulfill and how …

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Asian Elephant Rescue, Rehabilitation And Rewilding, Liv Baker, Rebecca Winkler Jan 2020

Asian Elephant Rescue, Rehabilitation And Rewilding, Liv Baker, Rebecca Winkler

Animal Sentience

Thailand has fewer than 10,000 elephants left. More of them are living in captivity to serve the tourist industry under grim conditions than are living free in what is left of their wild habitat. Conservation efforts need to be focused on all surviving members of the species, captive and free, but they need to take into account the inextricable entanglement of human and nonhuman animal lives in Thailand today. There is an opportunity for rescuing, rehabilitating and reintroducing captive elephants to the wild with the help of the traditional expertise of a mahout culture that has been elephant-keeping for centuries. …

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A “Halfway House” For Improving Captive Welfare, Phyllis C. Lee, W. Keith Lindsay Jan 2020

A “Halfway House” For Improving Captive Welfare, Phyllis C. Lee, W. Keith Lindsay

Animal Sentience

It is certainly time to aim for higher quality management strategies for Thailand’s captive elephants, and to engage with sustainable livelihoods for traditional mahouts. Baker & Winkler’s proposal to rewild Thai elephants by placing them under the guardianship of Karen mahouts is recognized as not “wild” since it remains a form of management requiring elephants to live under the control of human caregivers. We applaud the positive welfare aims of this proposal; however, we caution that few of the long-term consequences for elephants or habitats can be known, and further considerations of elephant population dynamics and forest ecosystems are required …

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Preserving Nature For The Benefit Of All Sentient Individuals, Eze Paez Jan 2020

Preserving Nature For The Benefit Of All Sentient Individuals, Eze Paez

Animal Sentience

I agree with Treves et al.’s proposal for a preservation ethics based on the principle that nonhuman well-being is a matter of justice and compassion. In this commentary, I advance two objections. First, only sentient beings, rather than all life, belong in the moral community. Second, given that nature is probably harmful overall for sentient individuals, preserving it for the benefit of future human and nonhuman generations requires us to modify it as far as practicable.

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Conventional Science Will Not Do Justice To Nonhuman Interests: A Fresh Approach Is Required, Becca Franks, Christine Webb, Monica Gagliano, Barbara Smuts Jan 2020

Conventional Science Will Not Do Justice To Nonhuman Interests: A Fresh Approach Is Required, Becca Franks, Christine Webb, Monica Gagliano, Barbara Smuts

Animal Sentience

Treves et al. (2019) make a convincing case that conservation efforts need to go beyond an anthropocentric worldview. Implementing that vision, however, will require human advocates to represent nonhuman interests. Where will the knowledge of those interests come from? How can humans know what is in the best interest of another animal, a plant, or an ecosystem? We discuss how the values embedded in current scientific practices may be ill-suited to representing nonhuman interests and we offer some ideas for correcting these shortcomings.

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Of Elephants And Men, Helen Kopnina Jan 2020

Of Elephants And Men, Helen Kopnina

Animal Sentience

Baker & Winkler’s target article is well-researched and thought-provoking, but I do have four points of contention: (1) The proposal to entrust elephants to traditional mahout culture has restricted elephants’ freedom of movement and reproduction and (ab)used them. (2) The concept of “indigenous” simultaneously reifies and denigrates the “noble savages”, privileging only human indigenous groups, ignoring nonhuman indigenes. (3) Most lifestyles have been globalized under consumer-economic and anthropocentric worldviews. (4) The fact that people (including mahouts) are part of nature does not mean they are benevolent, any more than cities, monocultures, or roads are.

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Comparative Cognition And Nonhuman Individuality, Catia Correia Caeiro Jan 2020

Comparative Cognition And Nonhuman Individuality, Catia Correia Caeiro

Animal Sentience

Commentators Washington (2019) and Tiffin (2019) point out that the individual vs. collective dichotomy is much more complex than what is considered in the target article. This commentary will focus on why individuals are more important than collectives. Species differences in cognition and emotional processes and individuals’ feelings and experiences need to be taken into account.

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Tribal Brains In The Global Village: Deeper Roots Of The Pandemic, Robert Gerlai Jan 2020

Tribal Brains In The Global Village: Deeper Roots Of The Pandemic, Robert Gerlai

Animal Sentience

I briefly recap the messages of the target article by Wiebers & Feigin (2020) and the accompanying peer commentaries about what we learn from the COVID-19 pandemic. Using the rapid evolution of viruses as an example of the importance of prevention, I explore why it is difficult for our species to foresee and prevent unintended global changes resulting from human activity. I end with a discussion about the long-term future, the ultimate problem inherent in our current mindset and the structure of our economy: growth.

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Elephants And Pandemics, Adrian Treves Jan 2020

Elephants And Pandemics, Adrian Treves

Animal Sentience

Baker & Winkler’s critique of Asian elephant tourism and conservation in Thailand has convinced me that this was “an industry with too many victims.” Yet I fear that B&W’s proposed remedy of returning to past elephant husbandry by Karen hill-peoples has little likelihood of improving the lives of the elephants for long. Who can predict whether the Karen will live up to this hope? B&W advocate for the Karen, but not for “an abolitionist stance on elephant-human relationships.” In my view, whether we discuss elephants or the wild mammals that carry SARS-CoV-2, abolition of many human uses of animals is …

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Re-Engage With The World For Global Health And Animal Welfare, Bradley J. Bergstrom Jan 2020

Re-Engage With The World For Global Health And Animal Welfare, Bradley J. Bergstrom

Animal Sentience

Wiebers & Feigin (2020) make a strong argument for measures that would limit future zoonoses, such as the COVID-19 pandemic, by closing live-animal markets, changing our habits of food consumption and production, and reducing habitat destruction. These would help human health, animal welfare, and conservation of at-risk wildlife all at the same time. China’s command-and-control government can accomplish some of these things by edict, but slower-to-act western democracies play a surprisingly large role in these global problems by the power of their consumerism, including the illicit wildlife trade. We citizens need to insist that our government use all of its …

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Thinking Longer, Looking Deeper, Ronnie Z. Hawkins Jan 2020

Thinking Longer, Looking Deeper, Ronnie Z. Hawkins

Animal Sentience

We need to situate the present crisis within the larger context of what we humans have done to the nonhuman forms of life with which we evolved, taking a longer view of our own evolutionary origins and a deeper look at what might be a more appropriate role for our species to play within the Biosphere.

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Just Preservation, Trusteeship And Multispecies Justice, Francisco J. Santiago-Ávila, Adrian Treves, William Lynn Jan 2020

Just Preservation, Trusteeship And Multispecies Justice, Francisco J. Santiago-Ávila, Adrian Treves, William Lynn

Animal Sentience

We are grateful to all the commentators who engaged with our target article. Some commentators have offered important insights into our proposed design and methods for legally intervening on behalf of futurity. Others have focused on theoretical considerations central to our proposal for multispecies justice and trusteeship. All have inspired modifications and further elaboration of our initial proposal. In this Response, we engage with the commentaries, integrating their suggestions, striving for convergence and complementarity, but also discussing points of divergence with our proposed framework where necessary. There is substantial overlap in the points of view of the three co-authors, but …

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Global Risks Of Intensive Animal Farming And The Wildlife Trade, Deborah Cao Jan 2020

Global Risks Of Intensive Animal Farming And The Wildlife Trade, Deborah Cao

Animal Sentience

This commentary discusses two issues highlighted by Wiebers & Feigin in the context of the current and future global health crisis: the wildlife trade and factory farming. Both are instances of globalized animal cruelty – in China as well as worldwide -- that require global solutions for the well-being of both humans and nonhumans.

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Bridging The Empathy Gap For Invertebrates, John M. Marzluff Jan 2020

Bridging The Empathy Gap For Invertebrates, John M. Marzluff

Animal Sentience

The actions of sentient vertebrates command our attention and inform our morality. Mikhalevich & Powell (2020) (M&P) argue that similar activities in a wide range of invertebrates with central nervous systems should do likewise. However, humans most readily empathize with creatures we recognize as similar in behavior, physiology, or appearance to ourselves. Helping humanity overcome this bias is a significant challenge for those who study invertebrates. Until this empathy gap is bridged, I believe few people and the policies they craft will afford invertebrates the moral standing that M&P argue they deserve. Therefore, I suggest those interested in raising appreciation …

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Innovative, Yes: But Is It Rewilding?, Daniel T. Blumstein, Kate E. Lynch Jan 2020

Innovative, Yes: But Is It Rewilding?, Daniel T. Blumstein, Kate E. Lynch

Animal Sentience

Baker & Winkler’s extremely stimulating proposal clearly illustrates conflicting priorities in biodiversity conservation and management that are exacerbated when human cultural resources and animal welfare are a part of the solution. We suggest that the discussion can benefit from an even more explicit unpacking of the conflicting values associated with the proposal.

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Do Arthropods Respond To Noxious Stimuli Purely By Reflex?, Robert W. Elwood Jan 2020

Do Arthropods Respond To Noxious Stimuli Purely By Reflex?, Robert W. Elwood

Animal Sentience

Mikhalevich & Powell (2020) argue that it is wrong to dismiss the idea of sentience in invertebrates. Here, I expand on the evidence for crustaceans responding to noxious stimuli in ways that are not explained by mere reflexes, and that are consistent with pain. I consider the idea that male praying mantids must not feel pain because they may continue to mate whilst being consumed by the female. I finish with thoughts about the idea that because robots may be constructed to act as if they experience pain, the argument that animals might experience pain is diminished.

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Conflicts And Triage, Kate E. Lynch, Daniel T. Blumstein Jan 2020

Conflicts And Triage, Kate E. Lynch, Daniel T. Blumstein

Animal Sentience

To represent diverse interests successfully, a strategy for dealing with conflicts is needed. We discuss an approach to maximizing the interests of the greatest number of individuals, present and future.

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Problems With Basing Insect Ethics On Individuals’ Welfare, Susana Monsó, Antonio J. Osuna-Mascaró Jan 2020

Problems With Basing Insect Ethics On Individuals’ Welfare, Susana Monsó, Antonio J. Osuna-Mascaró

Animal Sentience

In their target article, Mikhalevich & Powell (M&P) argue that we should extend moral protection to arthropods. In this commentary, we show that there are some unforeseen obstacles to applying the sort of individualistic welfare-based ethics that M&P have in mind to certain arthropods, namely, insects. These obstacles have to do with the fact that there are often many more individuals involved in our dealings with insects than our ethical theories anticipate, and also with the fact that, in some sense, some insects count as more than an individual and, in another sense, they sometimes count as less than an …

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Lessons From Miniature Brains: Cognition Cheap, Memory Expensive (Sentience Linked To Active Movement?), Giorgio Vallortigara Jan 2020

Lessons From Miniature Brains: Cognition Cheap, Memory Expensive (Sentience Linked To Active Movement?), Giorgio Vallortigara

Animal Sentience

Studies on invertebrate minds suggest that the neural machinery for basic cognition is cheap, and that bigger brains are probably associated with greater memory storage rather than more advanced cognition. Sentience may be linked to feedforward mechanisms (Reafferenzprinzip) that allow organisms with active movement to distinguish active and passive sensing. Invertebrates may offer special opportunities for testing these hypotheses.

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Impact Of Uk Sport Fishing On Fish Welfare And Conservation, Tim Q. Holmes Jan 2020

Impact Of Uk Sport Fishing On Fish Welfare And Conservation, Tim Q. Holmes

Animal Sentience

Sport fishing or angling is the capture of fish for recreation or competition, i.e., for entertainment. Contrary to the claims of Key (2016), there is good evidence that fish feel pain and have the capacity for self-awareness (Sneddon et al., 2018; Woodruff, 2017). Wild fish experience a variety of adverse conditions in nature that can harm their welfare, but this does not justify humans intentionally inflicting such conditions on fish solely for our pleasure. This commentary summarises the many ways fish suffer harm to their welfare as a result of sport fishing. There are also discussions on associated activities that …

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Ethical Considerations For Invertebrates, Scarlett R. Howard, Matthew R.E. Symonds Jan 2020

Ethical Considerations For Invertebrates, Scarlett R. Howard, Matthew R.E. Symonds

Animal Sentience

Mikhalevich & Powell (2020) have built on the discussion about which species deserve inclusion in animal ethics and welfare considerations. Here, we raise questions concerning the assessment criteria. We ask how to assess different species for their ability to fulfill the criteria, which criteria are most important, how we quantify them (absolute or on a continuum), and how non-animals such as fungi and plants fit into this paradigm.

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Sentience In Evolutionary Context, Jon Mallatt, Todd E. Feinberg Jan 2020

Sentience In Evolutionary Context, Jon Mallatt, Todd E. Feinberg

Animal Sentience

We appreciate the goals of Mikhalevich & Powell (M&P) and largely agree with their conclusions but we differ on some of their definitions and terms. Affects (emotional feelings) should be part of sentience. Although the evidence presented for insect sentience is strong, we list some of the counterevidence that should be considered. Our own research supports M&P’s choice of arthropods, cephalopods, and vertebrates as the only sentient organisms with moral status.

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The Wholeness Of Nature, Marthe Kiley-Worthington Jan 2020

The Wholeness Of Nature, Marthe Kiley-Worthington

Animal Sentience

The target article outlines various positions on conservation and preservation but ignores practical considerations of management since there is no wild habitat left. Population controls, either human or nonhuman mammals, are not discussed. The suggestions for legal changes are vague and will require much more thinking about how to integrate animal welfare with wildlife conservation concerns. “Freedoms” as outlined in the human bill of rights might help with decision making for improving animal welfare. Other commentators have made anthropocentric judgements concerning animal welfare, ignoring the importance of developing other ways of seeing and understanding the “multiplicity within unity,” combining empirical …

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Gulf Coast Marine Laboratories Past, Present And Future, Donald F. Boesch Jan 2020

Gulf Coast Marine Laboratories Past, Present And Future, Donald F. Boesch

Gulf and Caribbean Research

I spent my nearly 50—year career in marine science working at marine laboratories, most of that as a chief executive officer. So, it is appropriate that my reflections are about marine laboratories, rather than my own science. After relating my career course, I turn my attention to the history and development of marine laboratories along the U.S. coast of the Gulf of Mexico (GOM). Surprisingly, the region’s first laboratory was actually constructed in 1903 at Cameron, LA, but operated less than a decade before closing. It was not until after World War II that the university—affiliated marine laboratories of today …

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