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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Entomology 6 (1961), S. 163-182 
    ISSN: 0066-4170
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Ecology, Evolution, and Systematics 4 (1973), S. 1-23 
    ISSN: 0066-4162
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 3
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    Unknown
    Baltimore, Md. : Periodicals Archive Online (PAO)
    Behavioral science. 21:3 (1976:May) 183 
    Library Location Call Number Volume/Issue/Year Availability
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Ecological research 1 (1986), S. 141-156 
    ISSN: 1440-1703
    Keywords: Functional response curve ; Instantaneous rate of attack ; Parasitism ; Predation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A generalized descriptive equation for the effect of prey density on the instantaneous rate of attack was proposed; $$A(N_0 ) = \frac{{T_t }}{{t_h + 1/\left[ {a'N_0 \exp (cN_0 )} \right]}}$$ whereA(N o ) is the number of attacks per predator during timeT t ,N o is the prey density,T t is the total time the prey was exposed,T h is the handling time per prey,a′ is the rate of successful search, andc is the facilitation coefficient. The proposed equation can describe all types of the functional response curves; withc=a′ t h (pseudo Type I), withc=0 (Type II), withc〉a′ t h (Type III), and withc〈0 (Type IV). The applicability of the equation was tested against the results of a simulation model and available laboratory and field data on predation. The equation described these data very well and in many cases yielded biologically interesting insights, although the equation was proposed primarily for descriptive purposes.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Ecosystems 1 (1998), S. 6-18 
    ISSN: 1435-0629
    Keywords: Key words: biodiversity; cross-scale; ecological function; ecological organization; functional group; keystone; multiple stable states; resilience; scale; stability.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: ABSTRACT We describe existing models of the relationship between species diversity and ecological function, and propose a conceptual model that relates species richness, ecological resilience, and scale. We suggest that species interact with scale-dependent sets of ecological structures and processes that determine functional opportunities. We propose that ecological resilience is generated by diverse, but overlapping, function within a scale and by apparently redundant species that operate at different scales, thereby reinforcing function across scales. The distribution of functional diversity within and across scales enables regeneration and renewal to occur following ecological disruption over a wide range of scales.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Ecosystems 2 (1999), S. 114-121 
    ISSN: 1435-0629
    Keywords: Key words: cross-scale; ecosystem structure; endangered species; Everglades ecosystem; extinctions; invasions.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: ABSTRACT Scale-specific patterns of resource distribution on landscapes entrain attributes of resident animal communities such that species body-mass distributions are organized into distinct aggregations. Species within each aggregation respond to resources over the same range of scale. This discontinuous pattern has predictive power: invasive species and extinct or declining species in landscapes subject to human transformation tend to be located at the edge of body-mass aggregations (P 〈 0.01), which may be transition zones between distinct ranges of scale. Location at scale breaks affords species great opportunity, but also potential crisis.
    Type of Medium: Electronic Resource
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