نتایج جستجو برای: the landscape indices np

تعداد نتایج: 16076490  

In this paper, Landscape Allocation using Genetic Algorithm (LAGA), a spatial multi-objective land use optimization software is introduced. The software helps in searching for optimal land use when multiple objectives such as suitability, area, cohesion and edge density indices are simultaneously involved. LAGA is a flexible and easy to use genetic algorithm-based software for optimizing the sp...

2017
David Rodríguez-Rodríguez Paloma Ibarra Javier Martínez-Vega Maite Echeverría Pilar Echavarría

As global biodiversity trends worsen, protected area (PA) environmental effectiveness needs to be assessed to identify strengths and areas to improve. Through a participatory process including PA managers and scientists, we refined the System for the Integrated Assessment of Protected Areas (SIAPA), in order to increase its legitimacy, credibility and salience to end users in Spain. Then, we te...

2007
Soung-Ryoul Ryu Jiquan Chen Daolan Zheng Jacob J. Lacroix

Recent studies suggest that manipulation of landscape patterns is the most preferred method to reduce susceptibility of landscape to fire spread. e evaluated the effects of landscape spatial pattern and spatial heterogeneity of fuel loading on surface fire spread using the FARSITE model n Chequamegon National Forest landscape, Wisconsin. Five forest management scenarios were developed to genera...

Journal: :Appl. Math. Lett. 2006
B. Dimova J. Wesley Barnes Elmira Popova

Grover’s equation [L.K. Grover, Local search and the local structure of some NP-complete problems, Operations Research Letters 12 (1992)] and, equivalently, the Laplacian equation [J.W. Barnes, S. Dokov, B. Dimova, A. Solomon, A theory of elementary landscapes, Applied Mathematics Letters 16 (2003)] define an elementary landscape which has favorable properties for direct search methods. Dimova ...

1998
Robert B. Heckendorn Soraya B. Rana L. Darrell Whitley

NK-landscapes and kSAT problems have been proposed as potential test problem domains for Genetic Algorithms. We demonstrate that GAs have diiculty solving both kSAT and NK-landscape problems. The construction of random kSAT and NK-landscape problems are very similar, but the diierences between kSAT and NK-landscape generation result in vastly diierent tness landscapes. In this paper we introduc...

Journal: :environmental resources research 0
hamidreza kamyab gorgan university of agricultural sciences and natural resources abdolrassoul salman mahiny associate professor, faculty of fisheries and environmental sciences, gorgan university of agricultural science & natural resource mohammad shahraini assistant professor, engineering & technological collage, golestan university

in this paper, landscape allocation using genetic algorithm (laga), a spatial multi-objective land use optimization software is introduced. the software helps in searching for optimal land use when multiple objectives such as suitability, area, cohesion and edge density indices are simultaneously involved. laga is a flexible and easy to use genetic algorithm-based software for optimizing the sp...

Journal: :international journal of environmental research 0

landscape fragmentation has threatened the landscape continuity of ray which was maintainedfrom prehistoric times until recent decades. from 19th century that tehran sprawl growth affected ray’slandscape as a satellite city of tehran, ray experienced rapid landscape fragmentation and underwent manychanges. in order to cope with the threat, the process of changes from landscape fragmentation sho...

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