Unravelling the evolution of autumn colours: an interdisciplinary approach.

Leaf colour change is commonly observed in temperate deciduous forests in autumn. This is not simply a side effect of leaf senescence, and, in the past decade, several hypotheses have emerged to explain the evolution of autumn colours. Yet a lack of crosstalk between plant physiologists and evolutionary ecologists has resulted in slow progress, and so the adaptive value of this colour change remains a mystery. Here we provide an interdisciplinary summary of the current body of knowledge on autumn colours, and discuss unresolved issues and future avenues of research that might help reveal the evolutionary meaning of this spectacle of nature.

Propuestas para una reconceptualización surrealista y postmoderna de la sexualidad femenina en los textos de Cristina Escofet e Isabel Allende

Female sexuality has commonly been viewed as the passive counterpart of male sexuality. Building upon Adrienne Rich's theory of compulsive heterosexuality, I would suggest that the fundamental location of this problem lies within the subconscious. Cristina Escofet's stance on this issue is to argue in favor of a deconstruction of Jungian archetypes, revealing their constructed rather than intrinsic character. In this dissertation, I study representative texts by Escofet and Isabel Allende and show not only how they depict patriarchal compulsive heterosexuality, but also try to reconceptualize female sexuality through surrealist and postmodern techniques such as self-reflection, dialogue with our double or Other, and sensorial perception. These techniques are designed to create a new epistemology of jouissance and excess, as defined by contemporary French theory. The significance of my study resides in the interdisciplinary analysis of female sexuality in Hispanic feminist writers. The first chapter proposes that surrealism, postmodernism, and feminism are theoretical frameworks which create new paradigms for social change. In their feminist philosophies, Escofet and Allende emphasize the use of subconscious knowledge as a means of helping them understand the world and create alternative realities. The second chapter shows how Escofet and Allende deconstruct the mysoginist archetype of Eve, which has been largely responsible for identifying women's sexual identity with the disreputable qualities of the femme fatale and whose mirror-image has long plagued women. In accordance with this stereotype, Lillith (Adam's sexually active ex-partner), has typically been portrayed as the negative Other, and for generations the she-devil myth which surrounds her has resurfaced in the media, where she assumes the role of innumerable evil female characters. In the third chapter, I examine how class and race differences have been used to intensify the demonization of different types of sexuality. In the same manner as Lillith and Eve, black and indigenous characters express dissent by retelling their stories in words and performance, and by seeking to form a dialog with their readers. The last chapter deals with the importance of the senses for female characters as they try to create their own sexuality from the fragmented bodies we find in surrealist and postmodern art. In this section we shall see how Luce Irigaray and Hélène Cixous's theories about multiple sexualities are in evidence when Escofet and Allende reconceptualize female sexuality. As no previous scholarship has analyzed the use of the subconscious, the senses, and performance when understanding female sexuality in Latin American literature, this dissertation seeks to provide a tentative exploration of the issues that may help to open up a new field of research in Hispanic feminist cultural studies.

Monitoring Ecosystems: Interdisciplinary Approaches For Evaluating Ecoregional Initiatives

Monitoring Ecosystems brings together leading scientists and researchers to offer a ground-breaking synthesis of lessons learned about ecological monitoring in major ecoregional initiatives around the United States. Contributors present insights and experiences gained from their work in designing, developing, and implementing comprehensive ecosystem monitoring programs in the Pacific Northwest, the lower Colorado River Basin, and the Florida Everglades. The book: outlines the conceptual and scientific underpinnings for regional-scale ecosystem monitoring examines the role and importance of data management, modeling, and integrative analyses considers techniques for and experience with monitoring habitats, populations, and communities Chapters by the editors synthesize and expand on points made throughout the volume and present recommendations for establishing frameworks for monitoring across scales, from local to international. Monitoring Ecosystems presents a critical examination of the lessons learned from direct experience along with generalized conclusions that can be applied to monitoring programs in the United States and around the world. It is a vital contribution to science-based monitoring efforts that will allow those responsible for developing and implementing ecoregional initiatives to make use of knowledge gained in previous efforts.