نتایج جستجو برای: landscape ecology
تعداد نتایج: 118123 فیلتر نتایج به سال:
A significant challenge in nature-inspired algorithmics is the identification of specific characteristics of problems that make them harder (or easier) to solve using specific methods. The hope is that, by identifying these characteristics, we may more easily predict which algorithms are best-suited to problems sharing certain features. Here, we approach this problem using fitness landscape ana...
Through a discussion of the perceptions of hunters within a New Zealand tourism context, this paper explores how different perspectives of the ‘connection’ between hunter and prey are performed by participants and analysed by scholars using distinct ethical approaches. It attempts to contribute to the conversation about hunting ethics within the tourism and recreation fields by discussing the l...
I examine some non-anthropic approaches to the string landscape. These approaches are based on finding the initial conditions of the universe using the wavefunction of the multiverse to select the most probable vacuum out of this landscape. All approaches tackled so far seems to have their own problems and there is no clear cut alternative to anthropic reasoning. I suggest that finding the init...
Conservation diagnosis should identify which demographic parameters (or vital rates) are having a negative effect on the population growth rate of a threatened organism. Diagnosis can analyse how the environment is influencing the vital rates of this organism. In the present study, we tried to improve the diagnosis of a critically endangered seabird, the Balearic shearwater Puffinus mauretanicu...
Recent developments in string theory have reinforced the notion that the space of stable supersymmetric and non-supersymmetric string vacua fills out a “landscape” whose features are largely unknown. It is then hoped that progress in extracting phenomenological predictions from string theory — such as correlations between gauge groups, matter representations, potential values of the cosmologica...
This paper is a contribution to dynamic doxastic logic (DDL), that is, doxastic logic supplemented with operators for belief change due to new information. Thus in addition to operators for belief (B) and doxastic commitment (K) we also have, for each pure Boolean formula φ, a propositional operator [∗φ] with the informal reading “after the agent has come to believe that φ and revised his belie...
The notion of an adaptive landscape has proved to be a valuable concept in theoretical investigations of evolutionary change, combinatorial optimization, and the physics of disordered systems. Landscape theory has emerged as an attempt to devise suitable mathematical structures for describing the \static" properties of landscapes as well as their in uence on the dynamics of adaptation. Here we ...
It has been recognized that urban residential segregation is a scale-dependent phenomenon, and yet all existing structural or spatial indices measure only certain dimensions of segregation at one single scale. Inspired by new metrics developed by landscape ecologists to measure landscape heterogeneity, in this paper we explore the feasiblity of a multiscale, lacunarity-based segregation measure...
Integrated modelling and assessment can facilitate exploration of complex socialeecological interactions and quantify trade-offs in regional policy, planning, and management options. However, there have been challenges in its acceptance and adoption for supporting decisions. Here we overcome this implementation gap through the development of an interactive online tool called the Landscape Futur...
The gradient based landscape metrics analysis is now widely used to study the landscape pattern change in respond to urbanization. In order to discover the Beijing metropolitan area landscape pattern spatial and temporal change trends during the past 15 years, several landscape metrics are computed along a 96 km long transect crossing Beijing metropolitan area from west to east. Specially, the ...
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