An Introduction to Disturbance Ecology: A Road Map for by Corrado Battisti, Gianluca Poeta, Giuliano Fanelli

By Corrado Battisti, Gianluca Poeta, Giuliano Fanelli

This e-book represents an introductory evaluate of disturbance ecology and danger research, supplying schematic options and ways necessary for paintings on websites which are plagued by the impression of human activities. it's aimed toward conservation and environmental practitioners, who will locate counsel for selecting tools and ways while there are conflicts among the ordinary elements and human task. it's also addressed to scholars of utilized ecology, atmosphere administration, land-use making plans and environmental influence evaluate. It discusses a couple of themes coated within the courses of many collage classes regarding simple ecology and ecology of disturbance, the latter constituting a box of significant curiosity due to its implications and repercussions in utilized territorial technological know-how.
The publication is split into elements: the 1st specializes in the theoretical and disciplinary framework of the ecology of disturbance, whereas the second one is dedicated to the research of anthropogenic threats. This, particularly, discusses the latest process, which makes use of a standard nomenclature to permit a coarse-grained quantification and goal review of danger impression on diversified environmental parts. Such an procedure enables the comparability of hierarchically various occasions and, hence, is helping outline the priorities for administration and conservation strategies.

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Extra info for An Introduction to Disturbance Ecology: A Road Map for Wildlife Management and Conservation

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With no disturbances or when their frequency and intensity are extremely low. Stenoecious species are a good case in point, since they are strictly linked to stable conditions and to the absence of perturbations. Unlike those species adapted either to perturbed and unstable conditions or, conversely, to stable and undisturbed ones, the majority of these show a certain degree of ecological generalism which enables them to persist at intermediate disturbance levels (compare with the Intermediate Disturbance Hypothesis; Connell 1978; Hobbs and Huenneke 1992).

Some are direct and immediately apparent (primary disturbances), while others are indirect and deferred in time (secondary disturbances). For example, a fire in a forest can cause a direct and immediate effect that is easy to describe and quantify through the effects on trees and shrubs: a high mortality rate, deterioration and stress on plants. In the long term, however, the disturbance may determine, indirectly, population explosions of opportunistic species (such as in many groups of invertebrates) that colonize the disturbed area due to the high availability of dead and decaying wood (indirect effect).

These curves represent a variation of the k-dominance plots and allow us to assess whether a community is impacted without comparing it to a not impacted ‘control’ community. With such diagrams a comparison can be made, within the same community, between the curves of cumulative relative frequency obtained from individual abundance values and the curves of cumulative relative frequency related to biomass data (individual body weight × total body weight). 3 1 10 cumulative frequency (log-transformed) Fig.

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