نتایج جستجو برای: particularly landscape ecology

تعداد نتایج: 416723  

Journal: :Ecology 2015
Meryl C Mims Ivan C Phillipsen David A Lytle Emily E Hartfield Kirk Julian D Olden

The study of how population genetic structure is shaped by attributes of the environment is a central scientific pursuit in ecology and conservation. But limited resources may prohibit landscape genetics studies for many threatened species, particularly given the pace of current environmental change. Understanding the extent to which species' ecological strategies--their life histories, biology...

2005
Eugene Ch'ng Robert J. Stone Theodoros N. Arvanitis

Virtual Reality is gaining momentum and widespread popularity in the field of archaeology in order to support research, education, preservation and reconstruction of sites and objects of cultural, heritage and religious significance. The recent emergence of the Virtual Heritage Network has also promoted the use of VR and associated multimedia technologies in the field of natural and cultural he...

2016
David G. McFadden Katerina Politi Arjun Bhutkar Frances K. Chen Xiaoling Song Mono Pirun Philip M. Santiago Caroline Kim James T. Platt Emily Lee Emily Hodges Adam P. Rosebrock Roderick Bronson Nicholas D. Socci Gregory Hannon Harold Varmus Harold C. Simmons

2016
Yi Lu Xiangrong Wang Yujing Xie Yiyang Xu

Urban ecological security is the basic principle of national ecological security. However, analyses of the spatial and temporal dynamics of ecological security remain limited, especially those that consider different scenarios of urban development. In this study, an integrated method is proposed that combines the Conversion of Land Use and its Effects (CLUE-S) model with the Pressure–State–Resp...

Journal: :Management Science 2015
Santiago R. Balseiro Omar Besbes Gabriel Y. Weintraub

A exchanges are emerging Internet markets where advertisers may purchase display ad placements, in real time and based on specific viewer information, directly from publishers via a simple auction mechanism. Advertisers join these markets with a prespecified budget and participate in multiple second-price auctions over the length of a campaign. This paper studies the competitive landscape that ...

2013
Carol Evans

This article presents a thematic analysis of the research evidence on assessment feedback in higher education (HE) from 2000 to 2012. The focus of the review is on the feedback that students receive within their coursework from multiple sources. The aims of this study are to (a) examine the nature of assessment feedback in HE through the undertaking of a systematic review of the literature, (b)...

2001
Richard A. Watson Jordan B. Pollack

Several of the Major Transitions in natural evolution, such as the symbiogenic origin of eukaryotes from prokaryotes, share the feature that existing entities became the components of composite entities at a higher level of organisation. This composition of pre-adapted extant entities into a new whole is a fundamentally different source of variation from the gradual accumulation of small random...

Journal: :J. Artificial Societies and Social Simulation 2010
Stephen Younger

Multi-agent simulation was used to study several styles of leadership in small societies. Populations of 50 and100 agents inhabited a bounded landscape containing a fixed number of food sources. Agents moved about the landscape in search of food, mated, produced offspring, and died either of hunger or at a predetermined maximum age. Leadership models focused on the collection and redistribution...

2007

The future of forests around the world is uncertain: forests are being cleared and the lands converted to other uses, while existing forests face many challenges from a variety of sources. The pressures on forests come from two usually opposing perspectives, timber production and wildlife conservation. This special issue volume attempts to bridge between these two disciplines and attempts to mo...

1999
Franz X. Meixner Werner Eugster

Landscape pattern (land use and natural patchiness) and complex topography strongly influence regional variation in emissions of trace gases and pollutants, as well as atmospheric transport processes. This leads to small-scale variation in the amount of (biogenic) emission, atmospheric deposition and in local concentrations of atmospheric consitutents. This chapter addresses the most important ...

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