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Savannas and woodlands are one of the most challenging targets for remote sensing. This book provides a current snapshot of the geographical focus and application of the latest sensors and sensor combinations in savannas and woodlands. It includes feature articles on terrestrial laser scanning and on the application of remote sensing to characterization of vegetation dynamics in the Mato Grosso, Cerrado and Caatinga of Brazil. It also contains studies focussed on savannas in Europe, North America, Africa and Australia. It should be important reading for environmental practitioners and scientists globally who are concerned with the sustainability of the global savanna and woodland biome.

Savanna --- alternative stable states --- MODIS VCF --- land surface temperature --- albedo --- Cerrado --- Amazon --- vegetation type --- optical --- sar --- synergism --- mapping --- savanna --- post oak --- vegetation index --- ecosystem function --- phenology --- encroachment --- evergreen --- deciduous --- vegetation --- grassland --- fractional cover --- trend --- ecoregion --- bare soil --- livestock --- production systems --- remote sensing --- vegetation dynamics --- vegetation persistence --- conservation --- savannas --- Africa --- vegetation indices --- oak-grass savanna --- hydrology --- Sentinel-2 --- land cover --- grasslands --- forests --- monitoring --- random forest --- spectral indexes --- vegetation seasonality --- aboveground biomass --- Cerrado ecosystem --- SAR --- allometry --- biomass --- carbon --- cost-effective --- LiDAR --- TLS --- plant water availability --- tree phenology --- phenocams --- MODIS --- terrestrial laser scanning (TLS) --- Above Ground Biomass (AGB) --- 3D point cloud --- vegetation structure --- n/a

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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.

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.