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There has been a dramatic increase in theoretical and practical studies on insect natural enemies over the last decades. The appeal of insect predators and, in particular, parasitoids, as research animals derives from the relative ease with which many species may be cultured and experimented on in the laboratory, the simple life-cycles of most parasitoid species, and the increasing demand for biological pest control as a key component of the integrated pest management approach. There is now a very substantial literature on insect natural enemies and thus a great need for a general text that enquiring students or research workers can use in deciding on approaches and techniques that are appro...
Sex ratios, the proportions of males and females in any given species, are important in evolutionary and behavioural ecology. This volume explores the context to and methods for many aspects of research on sex ratios, and will be an indispensable reference for all those working in this area.
Contests are an important aspect of the lives of diverse animals, from sea anemones competing for space on a rocky shore to fallow deer stags contending for access to females. Why do animals fight? What determines when fights stop and which contestant wins? Addressing fundamental questions on contest behaviour, this volume presents theoretical and empirical perspectives across a range of species. The historical development of contest research, the evolutionary theory of both dyadic and multiparty contests, and approaches to experimental design and data analysis are discussed in the first chapters. This is followed by reviews of research in key animal taxa, from the use of aerial displays and assessment rules in butterflies and the developmental biology of weapons in beetles, through to interstate warfare in humans. The final chapter considers future directions and applications of contest research, making this a comprehensive resource for both graduate students and researchers in the field.
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Over the past three decades there has been a dramatic increase in theoretical and practical studies on insect natural enemies. This considerably updated and expanded version of a previous best-seller is an account of major aspects of the biology of predators and parasitoids, punctuated with information and advice on which experiments or observations to conduct, and how to carry them out. It emphasizes practicalities and also provides guidance on further literature.
Over the past three decades there has been a dramatic increase in theoretical and practical studies on insect natural enemies. The appeal of insect predators, and parasitoids in particular, as research animals derives from the relative ease with which many species may be cultured and experimented with in the laboratory, the simple life cycles of most parasitoids, and the increasing demand for biological pest control. There is now a massive literature on insect natural enemies, so there is a great need for a general text that the enquiring student or research worker can use in deciding on approaches and techniques that are appropriate to the study and evaluation of such insects. This book ful...
From two experts on wild parrot cognition, a close look at the intelligence, social behavior, and conservation of these widely threatened birds. 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 animals to form social bonds with people, and what does this mean for their survival? In Thinking like a Parrot, Alan B. Bond and Judy Diamond look beyond much of the standard work on captive parrots to...
Written by a team of leading international specialists, Behavioral Ecology of Insect Parasitoids examines the optimal behaviors that parasitoids exhibit in order to maximize long term offspring production. It is an essential reference for research scientists and students studying these fascinating insects or for anyone involved in using parasitoids in biological control programs. Reviews topical issues, including cutting edge research on parasitoid decision making and the implications for biological control Explores applications in other fields, provides information on the latest research methods, and includes helpful case studies and statistical tools Creates a deeper understanding of the l...
A fresh exploration of atonement, rooted in the theology of trust Atonement—the restoration of right relationship with God, which God has made possible for humanity through Christ—is the good news of Christianity. How ought Christians think about the epicenter of salvation history? Teresa Morgan takes up this longstanding question and—in a significant departure from both classical and modern theologians—proposes new answers that are rooted in the concept of trust (pistis). Weaving together exegesis and theology, sociology and psychology, Morgan defines atonement as the restoration of trust between God and humanity through the trust and trustworthiness of Jesus Christ. Her model has important implications for Christians’ understanding of sin, suffering, and the possibility of forgiveness and restoration of trust among human beings.
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