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Tests for repeated patterns in evolution of island plants, which together comprise an 'island syndrome' analogous to animals.
People form enduring emotional bonds with other animal species, such as dogs, cats, and horses. For the most part, these are domesticated animals, with one notable exception: Many people form close and supportive relationships with parrots, even though these amusing and curious birds remain thoroughly wild creatures. What enables this unique group of wild animals to form social bonds with people, and what does this mean for their survival?
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
The term “Anthropocene”, the era of mankind, is increasingly being used as a scientific designation for the current geological epoch. This is because the human species now dominates ecosystems worldwide, and affects nature in a way that rivals natural forces in magnitude and scale. Thinking about Animals in the Age of the Anthropocene presents a dozen chapters that address the role and place of animals in this epoch characterized by anthropogenic (human-made) environmental change. While some chapters describe our impact on the living conditions of animals, others question conventional ideas about human exceptionalism, and stress the complex cognitive and other abilities of animals. The Anthropocene idea forces us to rethink our relation to nature and to animals, and to critically reflect on our own role and place in the world, as a species. Nature is not what it was. Nor are the lives of animals as they used to be before mankind´s rise to global ecological prominence. Can we eventually learn to live with animals, rather than causing extinction and ecological mayhem?
Theory and early empirical work posed that herbivore pressure should be lower on islands than on the mainland owing to lower herbivore abundance and diversity in insular systems. Consequently, plant taxa found on islands are expected to be less protected or even to have lost their defences completely. While early observational studies supported the prediction of lower herbivory and plant defences on islands, recent island-mainland comparisons have yielded mixed results, with some studies finding no differences between islands and mainlands or, surprisingly, higher herbivory and plant defences on islands. In this book, the authors aim to re-assess current theory and initiate a new generation ...
Leaves are all around us—in backyards, cascading from window boxes, even emerging from small cracks in city sidewalks given the slightest glint of sunlight. Perhaps because they are everywhere, it’s easy to overlook the humble leaf, but a close look at them provides one of the most enjoyable ways to connect with the natural world. A lush, incredibly informative tribute to the leaf, Nature’s Fabric offers an introduction to the science of leaves, weaving biology and chemistry with the history of the deep connection we feel with all things growing and green. Leaves come in a staggering variety of textures and shapes: they can be smooth or rough, their edges smooth, lobed, or with tiny te...
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