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Eric Pianka offers a synthesis of his life's work on the comparative ecology of lizard assemblages in the Great Basin. Mojave and Sonoran deserts of western North America, the Kalahari semi-desert of southern Africa, and the Great Victoria desert of Western Australia.Originally published in 1986.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Lizards --- Desert animals --- Niche (Ecology) --- Biotic communities. --- Reptiles --- Herpetofauna --- Herpetozoa --- Herps --- Herptiles --- Reptilia --- Sauria --- Amniotes --- Vertebrates --- Herpetology --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Ecology --- Population biology --- Microhabitat --- Biotic communities --- Competition (Biology) --- Habitat (Ecology) --- Desert fauna --- Arid regions animals --- Desert biology --- Lacertilia --- Lacertilian reptiles --- Lacertilians --- Squamata --- Ecology.

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The origin of biological diversity, via the formation of new species, can be inextricably linked to adaptation to the ecological environment. Specifically, ecological processes are central to the formation of new species when barriers to gene flow (reproductive isolation) evolve between populations as a result of ecologically-based divergent natural selection. This process of 'ecological speciation' has seen a large body of particularly focused research in the last 10-15 years, anda review and synthesis of the theoretical and empirical literature is now timely.The book begins by clarifying wha

Evolution. --- Species. --- Symbiogenesis. --- Biodiversity --- Evolution (Biology) --- Isolating mechanisms --- Niche (Ecology) --- Species --- Speciation (Biology) --- Biology --- Genetics --- Hybridization --- Organisms --- Microhabitat --- Biotic communities --- Competition (Biology) --- Ecology --- Habitat (Ecology) --- Isolation, Biotic --- Isolation mechanisms --- Reproductive isolation mechanisms --- Reproduction --- Animal evolution --- Animals --- Biological evolution --- Darwinism --- Evolutionary biology --- Evolutionary science --- Origin of species --- Evolution --- Biological fitness --- Homoplasy --- Natural selection --- Phylogeny --- Biological diversification --- Biological diversity --- Biotic diversity --- Diversification, Biological --- Diversity, Biological --- Biocomplexity --- Ecological heterogeneity --- Numbers of species --- Isolating mechanisms. --- Biodiversity.

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Over the past twenty-five years, the effects of the spatial distribution and scaling of resources on animal populations have been increasingly studied in wildlife biology, landscape ecology, conservation biology, and related fields. However, spatial patterns change over time. In Temporal Dimensions of Landscape Ecology: Wildlife Responses to Variable Resources, the authors discuss the effects that temporal changes in resources have on animal populations. Resource availability and quality are not distributed homogeneously over time, depending for example on predictable changes in seasons, mating and birthing cycles, unpredictable resource pulses and weather-related phenomena, ecological disturbances, and historical legacies. Temporal Dimensions of Landscape Ecology brings together chapters that address the idea of current as well as historical temporal influences on resource availability, quality, and distribution. The authors draw attention to the neglected temporal issues so important to understanding species and community responses. This book will be of interest to both wildlife and conservation students and practitioners working with temporal and spatial scale issues.

Landscape ecology. --- Niche (Ecology) --- Adaptation (Biology) --- Spatial ecology. --- Chronobiology. --- Ecology --- Biological time --- Biology --- Time --- Environment --- Self-organizing systems --- Variation (Biology) --- Biological fitness --- Genetics --- Microhabitat --- Biotic communities --- Competition (Biology) --- Habitat (Ecology) --- Ecology. --- Animal ecology. --- Endangered ecosystems. --- Environmental management. --- Landscape Ecology. --- Animal Ecology. --- Ecosystems. --- Community & Population Ecology. --- Environmental Management. --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Threatened ecosystems --- Nature conservation --- Animals --- Zoology --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environmental biology --- Oecology --- Population biology --- Ecology . --- Community ecology, Biotic. --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities

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Evolutionary biology has long sought to explain how new traits and new species arise. Darwin maintained that competition is key to understanding this biodiversity and held that selection acting to minimize competition causes competitors to become increasingly different, thereby promoting new traits and new species. Despite Darwin's emphasis, competition's role in diversification remains controversial and largely underappreciated. In their synthetic and provocative book, evolutionary ecologists David and Karin Pfennig explore competition's role in generating and maintaining biodiversity. The authors discuss how selection can lessen resource competition or costly reproductive interactions by promoting trait evolution through a process known as character displacement. They further describe character displacement's underlying genetic and developmental mechanisms. The authors then consider character displacement's myriad downstream effects, ranging from shaping ecological communities to promoting new traits and new species and even fueling large-scale evolutionary trends. Drawing on numerous studies from natural populations, and written for a broad audience, Evolution's Wedge seeks to inspire future research into character displacement's many implications for ecology and evolution.

Animal diversity. --- Competition (Biology) --- Divergence (Biology) --- Biotic competition --- Ecological competition --- Interspecific competition --- Intraspecific competition --- Species competition --- Struggle for survival (Biology) --- Survival, Struggle for (Biology) --- Population biology --- Species --- Biology --- Phylogeny --- Animal biodiversity --- Animal biological diversity --- Animals --- Diversity, Animal --- Faunal diversity --- Zoological diversity --- Biodiversity --- Diversity --- biodiversity. --- biographical. --- biology books. --- books for science lovers. --- conservation of environment. --- darwin theories. --- discussion books. --- easy to read. --- ecological communities. --- educational books. --- engaging. --- environmental ecology. --- evolution of biology. --- evolution of science. --- food chain. --- going green. --- history. --- home school science books. --- learning from experts. --- leisure reads. --- life sciences. --- maintaining biodiversity. --- nonfiction books. --- protecting animals. --- scientists. --- the importance of the environment. --- travels books.

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Most organisms show substantial changes in size or morphology after they become independent of their parents and have to find their own food. Furthermore, the rate at which these changes occur generally depends on the amount of food they ingest. In this book, André de Roos and Lennart Persson advance a synthetic and individual-based theory of the effects of this plastic ontogenetic development on the dynamics of populations and communities. De Roos and Persson show how the effects of ontogenetic development on ecological dynamics critically depend on the efficiency with which differently sized individuals convert food into new biomass. Differences in this efficiency--or ontogenetic asymmetry--lead to bottlenecks in and thus population regulation by either maturation or reproduction. De Roos and Persson investigate the community consequences of these bottlenecks for trophic configurations that vary in the number and type of interacting species and in the degree of ontogenetic niche shifts exhibited by their individuals. They also demonstrate how insights into the effects of maturation and reproduction limitation on community equilibrium carry over to the dynamics of size-structured populations and give rise to different types of cohort-driven cycles. Featuring numerous examples and tests of modeling predictions, this book provides a pioneering and extensive theoretical and empirical treatment of the ecology of ontogenetic growth and development in organisms, emphasizing the importance of an individual-based perspective for understanding population and community dynamics.

Ontogeny. --- Niche (Ecology) --- Animal populations. --- Ontogenesis --- Biology --- Embryology --- Developmental biology --- Microhabitat --- Biotic communities --- Competition (Biology) --- Ecology --- Habitat (Ecology) --- Demography, Wildlife --- Populations, Animal --- Wildlife demography --- Wildlife populations --- Animal ecology --- Population biology --- Niche (Ecology). --- Allee effect. --- Daphnia. --- Escalator Boxcar Train. --- bioenergentics. --- biomass overcompensation. --- cannibalism. --- cladoceran zooplankton. --- coexistence. --- cohort cycles. --- community structure. --- competition. --- consumer life history. --- consumer population. --- consumer-resource dynamics. --- consumer-resource systems. --- demand-driven systems. --- development. --- discrete reproduction. --- ecological dynamics. --- ecology. --- energetics. --- energy gain. --- foraging. --- interspecific competition. --- maturation. --- metabolic rates. --- metabolism. --- morphology. --- mortality. --- niche overlaps. --- ontogenetic asymmetry. --- ontogenetic development. --- ontogenetic diet shifts. --- ontogenetic niche shifts. --- ontogenetic symmetry. --- overcompensation. --- population dynamics. --- population models. --- population regulation. --- predation. --- predator life history. --- predators. --- prey availability. --- prey life history. --- prey. --- reproduction control. --- reproduction. --- resource competition. --- size dependence. --- size-structured prey ecology. --- stage-structured prey. --- supply-driven systems.