نتایج جستجو برای: 2002 evaluating resource selection functions ecological modelling 157

تعداد نتایج: 1463443  

2016
Jeffrey J. Reuer Ramakrishna Devarakonda

In this paper, we extend information economics to the literature on R&D alliance partner selection by showing the different ways in which venture capitalists (VCs) shape entrepreneurial ventures’ partner selection decisions for R&D collaborations. Specifically, we advance the argument that affiliations with VCs can play a dual role in reducing the risk of adverse selection for R&D collaboration...

2015
Emanuel A. Fronhofer Florian Altermatt

Understanding biological range expansions and invasions is of great ecological and economical interest. Importantly, spatial dynamics can be deeply affected by rapid evolution depending on the ecological context. Using experimental evolution in replicated microcosm landscapes and numerical analyses we show experimentally that the ecological process of range expansions leads to the evolution of ...

2017
Zhenhong Wang

The current rates of biodiversity loss have exceeded the rates observed during the earth's major extinction events, which spurs the studies of the ecological relationships between biodiversity and ecosystem functions, stability, and services to determine the consequences of biodiversity loss. Plant species richness-productivity relationship (SRPR) is crucial to the understanding of these relati...

Journal: :PLoS ONE 2007
Jenni E. Pettay Samuli Helle Jukka Jokela Virpi Lummaa

Life-history theory predicts that resource scarcity constrains individual optimal reproductive strategies and shapes the evolution of life-history traits. In species where the inherited structure of social class may lead to consistent resource differences among family lines, between-class variation in resource availability should select for divergence in optimal reproductive strategies. Evaluat...

2012
J. Andrew Royle Richard B. Chandler

11 1. Understanding space usage and resource selection is a primary focus of many studies 12 of animal populations. Usually, such studies are based on location data obtained from 13 telemetry, and resource selection functions (RSF) are used for inference. Another important 14 focus of wildlife research is estimation and modeling population size and density. Recently 15 developed spatial capture...

2016
Bradley A. Strickland Francisco J. Vilella Jerrold L. Belant

Habitat selection is an active behavioral process that may vary across spatial and temporal scales. Animals choose an area of primary utilization (i.e., home range) then make decisions focused on resource needs within patches. Dominance may affect the spatial distribution of conspecifics and concomitant habitat selection. Size-dependent social dominance hierarchies have been documented in capti...

2013
Partha Dasgupta

Glossary Accounting prices Accounting or shadow prices are measures of the social opportunity cost of resource use. The accounting price of a resource is the increase in social wellbeing that would be enjoyed if a unit more of the resource was made available at no cost. Ecological functions The combinations of ecosystem component and ecosystem processes that enable ecosystems to support primary...

Journal: :Evolution & development 2003
Sonia E Sultan

Ecological development has been described as “the meeting of developmental biology with the real world” (Gilbert 2001); in other words, the study of development as it occurs in nature and its ecological consequences. One key area in this field is phenotypic plasticity : environment-dependent phenotypic expression (Bradshaw 1965; Schlichting 1986; Sultan 1987, 1995, 2000; Scheiner 1993; Travis 1...

2013
Justin A. Dellinger Christine Proctor Todd D. Steury Marcella J. Kelly Michael R. Vaughan

0006-3207/$ see front matter 2012 Elsevier Ltd. A http://dx.doi.org/10.1016/j.biocon.2012.09.004 ⇑ Corresponding author. Tel.: +1 704 692 8142. E-mail addresses: [email protected] (J.A. Del Proctor), [email protected] (T.D. Steury), makelly2 [email protected] (M.R. Vaughan). Large carnivores, with their expansive home range and resource requirements, are a good model for understanding how animal popu...

2002
TOLESSA DEKSISSA PETER A. VANROLLEGHEM

Most of the models describing the fate and transport of xenobiotic organic chemicals in natural streams are steady state models (e.g. EXAMS, SYMPTOX4, GREATER,…). In view of ecological risk assessment, the current Predicted Environmental Concentration (PEC) estimation method in the European Union (EU) member states is based on a steady state in-stream fate model (OECD, 1999). These models assum...

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