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"Life History"
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A short history of seafaring
\"A Short History of Seafaring is a unique compendium of awe-inspiring tales of epic sea voyages that always involve great feats of seamanship, navigation, endurance, and ingenuity.\"--Publisher.
Book
The nature of German imperialism
Today, the East African state of Tanzania is renowned for wildlife preserves such as the Serengeti National Park, the Ngorongoro Conservation Area, and the Selous Game Reserve. Yet few know that most of these initiatives emerged from decades of German colonial rule. This book gives the first full account of Tanzanian wildlife conservation up until World War I, focusing upon elephant hunting and the ivory trade as vital factors in a shift from exploitation to preservation that increasingly excluded indigenous Africans. Analyzing the formative interactions between colonial governance and the natural world,The Nature of German Imperialism situates East African wildlife policies within the global emergence of conservationist sensibilities around 1900.
eBook
A brief history of creation : science and the search for the origin of life
An essential history of Western scientific studies into the origins of life examines historical discoveries in the contexts of philosophical debates, political change, and evolving understandings about the complexities of biology.
BOOK
Stories from a migrant city
Taking a biographical approach, the book explores the causes and consequences of moving or staying put in the context of class inequality and racisms, and looks for commonalities between people often seen as irredeemably divided.
eBook
Life sciences
Presents the biographies and discoveries of notables in the life sciences field. Includes time lines.
Book
Practicing Piety in Medieval Ashkenaz
In the urban communities of medieval Germany and northern France, the beliefs, observances, and practices of Jews allowed them to create and define their communities on their own terms as well as in relation to the surrounding Christian society. Although medieval Jewish texts were written by a learned elite, the laity also observed many religious rituals as part of their everyday life. InPracticing Piety in Medieval Ashkenaz, Elisheva Baumgarten asks how Jews, especially those who were not learned, expressed their belonging to a minority community and how their convictions and deeds were made apparent to both their Jewish peers and the Christian majority.
Practicing Piety in Medieval Ashkenazprovides a social history of religious practice in context, particularly with regard to the ways Jews and Christians, separately and jointly, treated their male and female members. Medieval Jews often shared practices and beliefs with their Christian neighbors, and numerous notions and norms were appropriated by one community from the other. By depicting a dynamic interfaith landscape and a diverse representation of believers, Baumgarten offers a fresh assessment of Jewish practice and the shared elements that composed the piety of Jews in relation to their Christian neighbors.
eBook
High dispersal ability is related to fast life-history strategies
1. Seed dispersal is an essential, yet often overlooked process in plant ecology and evolution, affecting adaptation capacity, population persistence and invasiveness. A species' ability to disperse is expected to covary with other life-history traits to form dispersal syndromes. Dispersal might be linked to the rate of life history, fecundity or generation time, depending on the relative selection pressures of bethedging, kin competition or maintaining gene flow. However, the linkage between dispersal and plant life-history strategies remains unknown because it is difficult to observe, quantify and manipulate the influence of dispersal over large spatiotemporal scales. 2. We integrate datasets describing plant vital rates, dispersal and functional traits to incorporate dispersal explicitly into the rich spectra of plant life-history strategies. For 141 plant species, we estimated dispersal ability by predicting maximum dispersal distances using allometric relationships based on growth form, dispersal mode, terminal velocity and seed mass. We derived life-history traits from matrix population models parameterized with field data from the COMPADRE Plant Matrix Database. We analysed the covariation in dispersal ability and life-history traits using multivariate techniques. 3. We found that three main axes of variation described plant dispersal syndromes: the fast-slow life-history continuum, the dispersal strategy axis and the reproductive strategy axis. On the dispersal strategy axis, species' dispersal abilities were positively correlated with aspects of fast life histories. Species with a high net reproductive rate, a long window of reproduction, low likelihood of escaping senescence and low shrinkage tendencies disperse their seeds further. The overall phylogenetic signal in our multidimensional analyses was low (Pagel's λ < 0.24), implying a high degree of taxonomic generality in our findings. 4. Synthesis. Dispersal has been largely neglected in comparative demographic studies, despite its pivotal importance for populations. Our explicit incorporation of dispersal in a comparative life-history framework provides key insights to bridge the gap between dispersal ecology and life-history traits. Species with fast life-history strategies disperse their seeds further than slow-living plants, suggesting that longer dispersal distances may allow these species to take advantage of habitats varying unpredictably in space and time as a bet-hedging strategy.
Journal Article
The pace-of-life syndrome revisited: the role of ecological conditions and natural history on the slow-fast continuum
The pace-of-life syndrome (i.e., POLS) hypothesis posits that behavioral and physiological traits mediate the trade-off between current and future reproduction. This hypothesis predicts that life history, behavioral, and physiological traits will covary under clearly defined conditions. Empirical tests are equivocal and suggest that the conditions necessary for the POLS to emerge are not always met. We nuance and expand the POLS hypothesis to consider alternative relationships among behavior, physiology, and life history. These relationships will vary with the nature of predation risk, the challenges posed by resource acquisition, and the energy management strategies of organisms. We also discuss how the plastic response of behavior, physiology, and life history to changes in ecological conditions and variation in resource acquisition among individuals determine our ability to detect a fast-slow pace of life in the first place or associations among these traits. Future empirical studies will provide most insights on the coevolution among behavior, physiology, and life history by investigating these traits both at the genetic and phenotypic levels in varying types of predation regimes and levels of resource abundance.
Journal Article