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2011 (3)

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Book
Modelling nutrient digestion and utilisation in farm animals
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ISBN: 9086861563 908686712X Year: 2011 Publisher: Wageningen, Netherlands : Wageningen Academic Publishers,

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Abstract

For more than 30 years, modelling has been an important method for integrating, in a flexible, comprehensive and widely applicable way, basic knowledge and biological concepts on digestion and metabolism in farm animals. The purpose of this book is to present the 'state of art' in this area. The chapters are written by leading teams and researchers in this field of study, mainly from Europe, North America and Australasia. Considerable progress has been made in topics dealing with: modelling methods, feeding behaviour, digestion and metabolic processes in ruminants and monogastric animals. This progress is clearly illustrated by the emergence of a new paradigm in animal nutrition, which has moved from the aim to cover the requirements of the animal to explaining and predicting the responses of the animals to diets (e.g., productivity and efficiency, impact on quality of products, environmental aspects, health and well-being). In this book several chapters illustrate that through empirical models, meta-analysis is an efficient tool to synthesize information gathered over recent decades. In addition, compared with other books on modelling farm animal nutrition, two new aspects received particular attention: expanding knowledge of the individual animal to understanding the functioning and management of herds, and the consideration of the environmental impact of animal production. This book is a valuable source of information for researchers, nutritionists, advisors, and graduate students who want to have up-to-date and concise information on mathematical modelling applied to farm animals.


Book
Food Webs (MPB-50)
Author:
ISBN: 1283290715 9786613290717 1400840686 9781400840687 9780691134178 0691134170 9780691134185 0691134189 Year: 2011 Publisher: Princeton, NJ

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Human impacts are dramatically altering our natural ecosystems but the exact repercussions on ecological sustainability and function remain unclear. As a result, food web theory has experienced a proliferation of research seeking to address these critical areas. Arguing that the various recent and classical food web theories can be looked at collectively and in a highly consistent and testable way, Food Webs synthesizes and reconciles modern and classical perspectives into a general unified theory. Kevin McCann brings together outcomes from population-, community-, and ecosystem-level approaches under the common currency of energy or material fluxes. He shows that these approaches--often studied in isolation--all have the same general implications in terms of population dynamic stability. Specifically, increased fluxes of energy or material tend to destabilize populations, communities, and whole ecosystems. With this understanding, stabilizing structures at different levels of the ecological hierarchy can be identified and any population-, community-, or ecosystem-level structures that mute energy or material flow also stabilize systems dynamics. McCann uses this powerful general framework to discuss the effects of human impact on the stability and sustainability of ecological systems, and he demonstrates that there is clear empirical evidence that the structures supporting ecological systems have been dangerously eroded. Uniting the latest research on food webs with classical theories, this book will be a standard source in the understanding of natural food web functions.

Keywords

SCIENCE / Life Sciences / Biology / General. --- SCIENCE / Life Sciences / Ecology. --- Biotic communities. --- Food chains (Ecology) --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Ecology --- Population biology --- Food webs (Ecology) --- Trophic ecology --- Animals --- Nutrient cycles --- Food --- Canadian Shield. --- Gershgorin discs. --- Hopf bifurcation. --- Robert Holt. --- adaptive behavior. --- alternative stable states. --- aquatic microcosm. --- asynchrony. --- bifurcation. --- bird feeder effect. --- body size. --- competition. --- consumers. --- consumerвesource dynamics. --- consumerвesource interactions. --- consumerвesource models. --- consumerвesource theory. --- continuous logistic growth models. --- detritus. --- diamond food web. --- discrete equations. --- dynamical systems theory. --- dynamical systems. --- ecological instability. --- ecological stability. --- ecological systems. --- ecosystem collapse. --- ecosystem dynamics. --- ecosystem size. --- ecosystem stability. --- ecosystems. --- eigenvalue. --- equilibrium steady state. --- equilibrium. --- excitable interactions. --- food chains. --- food web structure. --- food web theory. --- food webs. --- foraging. --- generalism. --- generalists. --- grazing. --- habitat. --- human impacts. --- interaction strength. --- intraguild predation model. --- lags. --- lake trout. --- local stability analysis. --- matrix theory. --- microcosm experiments. --- mobile adaptive predators. --- modular theory. --- module. --- motif. --- natural ecosystems. --- nature. --- nonequilibrium dynamics. --- nonequilibrium steady state. --- nonexcitable interactions. --- nutrient decomposition. --- nutrient recycling. --- nutrients. --- omnivory. --- oscillation. --- oscillatory decay. --- phase space. --- population dynamics. --- population growth. --- population models. --- population structure. --- populations. --- resources. --- space. --- species. --- stage structure. --- stage-structured lags. --- subsidies. --- subsystems. --- sustainability. --- time series. --- trade-offs. --- traits. --- whole-community approach. --- whole-system matrix.


Book
Pollination and Floral Ecology
Author:
ISBN: 9780691128610 0691128618 9786613310408 1283310406 1400838940 9781400838943 9781283310406 6613310409 Year: 2011 Publisher: Princeton, NJ

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Pollination and Floral Ecology is the most comprehensive single-volume reference to all aspects of pollination biology--and the first fully up-to-date resource of its kind to appear in decades. This beautifully illustrated book describes how flowers use colors, shapes, and scents to advertise themselves; how they offer pollen and nectar as rewards; and how they share complex interactions with beetles, birds, bats, bees, and other creatures. The ecology of these interactions is covered in depth, including the timing and patterning of flowering, competition among flowering plants to attract certain visitors and deter others, and the many ways plants and animals can cheat each other. Pollination and Floral Ecology pays special attention to the prevalence of specialization and generalization in animal-flower interactions, and examines how a lack of distinction between casual visitors and true pollinators can produce misleading conclusions about flower evolution and animal-flower mutualism. This one-of-a-kind reference also gives insights into the vital pollination services that animals provide to crops and native flora, and sets these issues in the context of today's global pollination crisis. Provides the most up-to-date resource on pollination and floral ecology Describes flower advertising features and rewards, foraging and learning by flower-visiting animals, behaviors of generalist and specialist pollinators--and more Examines the ecology and evolution of animal-flower interactions, from the molecular to macroevolutionary scale Features hundreds of color and black-and-white illustrations

Keywords

Pollination --- Pollination by insects --- Pollination by animals --- Plant ecology --- Pollinisation --- Pollination. --- Pollination by insects. --- Pollination by animals. --- Plant ecology. --- Pollinisation par les insectes --- Pollinisation par les animaux --- Ecologie végétale --- Insect pollination --- Pollinization --- Botany --- Plants --- Ecology --- Animal-plant relationships --- Fertilization of plants by insects --- Fertilization of plants --- Flowers --- Phanerogams --- Pollen --- Self-incompatibility --- Pollinisation. --- Phytoecology --- Vegetation ecology --- Floristic ecology --- Diptera. --- Lepidoptera. --- Megachiroptera. --- Microchiroptera. --- abiotic pollination. --- advertisement. --- amphibian. --- anemophilous plant. --- anemophily. --- angiosperm. --- animal pollination. --- animal. --- animals. --- animalЦlower interaction. --- ant. --- bat pollination. --- bats. --- bee pollination. --- bee. --- bees. --- beetle. --- behavior. --- bird pollination. --- birds. --- bumblebee. --- butterfly. --- carrion fly. --- chiropterophily. --- color vision. --- conifer. --- cost. --- cross-fertilization. --- cross-pollination. --- diversification. --- ectotherm vertebrate. --- feeding apparatus. --- fish. --- floral color. --- floral constancy. --- floral design. --- floral display. --- floral divergence. --- floral odor. --- floral pigment. --- floral scent. --- floral sex. --- floral shape. --- floral signal. --- floral size. --- floral tissue. --- floral variation. --- flower evolution. --- flower morphology. --- flower pollination. --- flower visitor. --- flower. --- flowering. --- flowers. --- flowerаollinator interaction. --- fly pollination. --- foraging behavior. --- generalist flower. --- generalist visitor. --- grasshopper. --- hawkmoth. --- honeybee. --- hoverfly. --- hummingbird. --- hydrophily. --- inflorescence. --- insect. --- invertebrate. --- learning. --- marsupial. --- melittophily. --- monkey. --- mutualism. --- nectar biology. --- nectar concentration. --- nectar gathering. --- nectar guide. --- nectar production. --- nectar secretion. --- nectar volume. --- nectar. --- nectary. --- nonflying mammal. --- nonflying vertebrate. --- odor learning. --- oil. --- olfaction. --- olfactory signal. --- ornithophily. --- perching bird. --- phalaenophily. --- plant diversity. --- plant fertilization. --- plant mating. --- plant pollination. --- plant reproduction. --- plant sex. --- plant speciation. --- plant. --- plants. --- pollen biology. --- pollen competition. --- pollen eating. --- pollen gathering. --- pollen packaging. --- pollen. --- pollination biology. --- pollination ecology. --- pollination syndromes. --- pollination. --- pollinator effectiveness. --- pollinator. --- psychophily. --- reproductive isolation. --- resin. --- reward. --- scent. --- selection. --- self-fertilization. --- selfing. --- sexual function. --- sociality. --- specialist flower. --- specialization. --- speciation. --- sphingophily. --- stigmatic exudate. --- thrip. --- visitation pattern. --- visual signal. --- wasp. --- wax. --- wind pollination.

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