Ecology of Desert Systems
Elsevier, 25.03.2002 - 343 Seiten
Conventional wisdom considers deserts stark, harsh regions that support few living things. Most people also believe that water alone makes the desert bloom. Ecology of Desert Systems challenges these conventional views.
This volume explores a broad range of topics of interest to ecosystem, population, community, and physiological ecologists. Climate, weather patterns, geomorphology, and wind and water processes are examined as variables that affect the distribution of biota through fundamental ecosystem processes. Descriptions of morphological, behavioral, and physiological adaptations of desert biota illuminate, through the lens of patch dynamics, principles for understanding observed patterns of primary production, nutrient cycling, and the effects of consumers. Desertification, and the techniques for monitoring and quantifying it, is examined within the framework of desert ecosystem patterns and processes.
* Focuses on the interactions of climate, soil, and biota along a spectrum of spatial and temporal scales
* Details the role of animals in desert ecosystems and landscape processes
* Examines watershed scale processes, the ecology of ephemeral lakes, and the ecological changes identified with desertification
* Outlines the fundamental concepts relevant to sustainable development of arid lands
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AAGNPP abundance animals annual plants ants areas arid and semiarid Arid Environ arid regions arthropods Australia bajada basin biomass burrows canopy channels characteristics Chihuahuan Desert climate creosotebush crusts decomposition density desert ecosystems desert grassland desert plants desert shrubs desert soils desertification DeSoyza distribution dominated drought dunes Ecol Ecology ecosystem processes ecosystems effects ephemeral lake ephemeral stream erosion foraging function germination granivores grasses grassland grazing growing season growth habitats herbaceous herbivores important increased infiltration insects lands landscape units Larrea tridentata leaf litter lizards mammals mesquite Mexico Mojave Desert net primary production nitrogen northern Chihuahuan Desert nutrient Oecologia organic matter patches patterns perennial plant species populations precipitation predators primary production Prosopis rainfall rangelands rates relationships result rodents roots run-off sand seed semiarid shrubland shrubs slope soil surface Sonoran Desert spatial stem stemflow structure studies temperatures temporal termites variability vegetation cover watershed Whitford wind