Passage to diffusion chaos in a model of an ecological system

2012 ◽  
Vol 48 (11) ◽  
pp. 1477-1482
Author(s):  
T. V. Karamysheva ◽  
N. A. Magnitskii
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Patrícia Muniz de Medeiros ◽  
Gabriela Maria Cota dos Santos ◽  
Déborah Monteiro Barbosa ◽  
Laílson César Andrade Gomes ◽  
Élida Monique da Costa Santos ◽  
...  

AbstractThis study aims to provide a simple framework to identify wild food plants with potential for popularization based on local knowledge and perception. To this end, we also characterized the distribution of this knowledge in the socio-ecological system. We developed the study in the rural settlement Dom Hélder Câmara in northeastern Brazil. The species with the greatest potential for popularization considering the attributes accessed from local knowledge and perception were Psidium guineense Sw., Genipa americana L., Xanthosoma sagittifolium (L.) Schott and Dioscorea trifida L.f. However, the high variation in local knowledge on wild food plants suggests that species that are not frequently cited can also be promising. The absence of age or gender-related knowledge patterns indicates that studies for prospecting wild food plants in similar socioecological contexts need to reach the population as a whole, rather than focusing on a specific group.


Author(s):  
Celinda Palm ◽  
Sarah E. Cornell ◽  
Tiina Häyhä

AbstractThe fashion and textiles industry, and policymakers at all levels, are showing an increased interest in the concept of circular economy as a way to decrease business risks and negative environmental impacts. However, focus is placed mainly on the material ‘stuff’ of textile fashion and its biophysical harms. The current material focus has several shortcomings, because fashion is a social-ecological system and cannot be understood merely by addressing its environmental dimensions. In this paper, we rethink the fashion system from a critical social-ecological perspective. The driver-state-response framework shows social drivers and ecological impacts as an adaptive social-ecological system, exposing how these interacting aspects need to be addressed for sustainable and resilient implementation of circular economy. We show how current responses to global sustainability challenges have so far fallen short. Our overall aim is to expand possibilities for reframing responses that better reflect the complex links between the global fashion system, culture and creativity and the dynamics of the living planet. We argue that reducing planetary pressure from the global fashion and textiles industry requires greater recognition of the system’s social drivers with more emphasis on the many cross-scale links between social and ecological dimensions. Resilient decisions aiming for sustainable circularity of the fashion industry must therefore pay attention to social activities beyond the industry value chain, not just material flows within it.


2017 ◽  
Vol 197 ◽  
pp. 360-372 ◽  
Author(s):  
Sara Mehryar ◽  
Richard Sliuzas ◽  
Ali Sharifi ◽  
Diana Reckien ◽  
Martin van Maarseveen

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