Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Sergei Petrovskii"'
Autor:
Beth Cole, Andrew V. Bradley, Simon Willcock, Emma Gardner, Ewan Allinson, Alex Hagen‐Zanker, Adam J. Calo, Julia Touza, Sergei Petrovskii, Jingyan Yu, Mick Whelan
Publikováno v:
People and Nature, Vol 5, Iss 4, Pp 1050-1071 (2023)
Abstract Landscape decisions are multi‐faceted. Framing landscape decision‐making as a governance process that requires a collective approach can encourage key stakeholders to come together to co‐inform a discussion about their priorities and w
Externí odkaz:
https://doaj.org/article/1432a3ea7f5d4ee682810fcddde51ef9
Dynamical modelling of street protests using the Yellow Vest Movement and Khabarovsk as case studies
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-19 (2022)
Abstract Social protests, in particular in the form of street protests, are a frequent phenomenon of modern world often making a significant disruptive effect on the society. Understanding the factors that can affect their duration and intensity is t
Externí odkaz:
https://doaj.org/article/95c4212d2fcc4195951c116af26a0066
Autor:
Alexander Korotkov, Sergei Petrovskii
Publikováno v:
Mathematics, Vol 11, Iss 20, p 4337 (2023)
Major threats to biodiversity are climate change, habitat fragmentation (in particular, habitat loss), pollution, invasive species, over-exploitation, and epidemics. Over the last decades habitat fragmentation has been given special attention. Many f
Externí odkaz:
https://doaj.org/article/901d28557692422dbfc3bd9fedce5eda
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract Factors and processes determining heterogeneous (‘patchy’) population distributions in natural environments have long been a major focus in ecology. Existing theoretical approaches proved to be successful in explaining vegetation pattern
Externí odkaz:
https://doaj.org/article/dc8ed25031f84743a231b3ecc6273ba4
Publikováno v:
Mathematics, Vol 10, Iss 5, p 699 (2022)
Systems with multiple time scales, often referred to as `slow–fast systems’, have been a focus of research for about three decades. Such systems show a variety of interesting, sometimes counter-intuitive dynamical behaviors and are believed to, i
Externí odkaz:
https://doaj.org/article/8b60e45347d047af9859afe7c8d6f045
Autor:
Hashem Althagafi, Sergei Petrovskii
Publikováno v:
Mathematics, Vol 9, Iss 18, p 2202 (2021)
Habitat fragmentation is recognized as the most serious threat to biodiversity worldwide and has been the focus of intensive research for a few decades. Due to the complexity of the problem, however, there are still many issues that remain poorly und
Externí odkaz:
https://doaj.org/article/c162f6d44c924cb7a0dea4712ad16997
Autor:
Weam Alharbi, Sergei Petrovskii
Publikováno v:
Mathematics, Vol 8, Iss 12, p 2247 (2020)
The fractional calculus is useful in describing the natural phenomena with memory effect. This paper addresses the fractional form of Ambartsumian equation with a delay parameter. It may be a challenge to obtain accurate approximate solution of such
Externí odkaz:
https://doaj.org/article/b8a4d4f3df634f898208618d94cc8cb4
Publikováno v:
Mathematics, Vol 8, Iss 1, p 78 (2020)
Understanding of the dynamics of riots, protests, and social unrest more generally is important in order to ensure a stable, sustainable development of various social groups, as well as the society as a whole. Mathematical models of social dynamics h
Externí odkaz:
https://doaj.org/article/d5bf9319ed9b42ce8eac7a320cef4eaf
Autor:
Yadigar Sekerci, Sergei Petrovskii
Publikováno v:
Computation, Vol 6, Iss 4, p 59 (2018)
Decreasing level of dissolved oxygen has recently been reported as a growing ecological problem in seas and oceans around the world. Concentration of oxygen is an important indicator of the marine ecosystem’s health as lack of oxygen (anoxia) can l
Externí odkaz:
https://doaj.org/article/5d424badee444677897e70a15780578e
Autor:
Sergei Petrovskii
Publikováno v:
Mathematics, Vol 6, Iss 9, p 167 (2018)
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Externí odkaz:
https://doaj.org/article/42340b6750a04593b6f7d09ce22f43dc