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and outside of the culture vessel. Heo et al. ( p. 90 ) developed a forced ventilation micropropagation system for growing plants without sucrose on a large scale. Increasing the forced ventilation rate during the culture period with air distribution

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Sara Melito, Angela Fadda, Emma Rapposelli and Maurizio Mulas

patterns has been observed among populations ( Gonzáles Varo et al., 2009 , 2010 ). Genetic diversity and environmental parameters. The understanding of the relationships between the genetic diversity distribution and the ecological variables has a major

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Kim E. Hummer

exist in finding the desired species. Intrusion of human development or in situ ecological changes may reduce rare species with limited distribution or diversity within populations of more widely distributed species. Sometimes fruits and seeds are found

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Roger Kjelgren, Yongyut Trisurat, Ladawan Puangchit, Nestor Baguinon and Puay Tan Yok

wet evergreen forest. Understanding the differences in ecological physiology between dry and wet tropical forest species can possibly help explain the relative distribution and abundance of deciduous and evergreen species in tropical cities. Combined

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Hector Eduardo Pérez, Carrie Reinhardt Adams, Michael E. Kane, Jeffrey G. Norcini, Glenn Acomb and Claudia Larsen

( Hodges and Haydu, 2002 , 2006 ). Additionally, ecological landscape restoration and bioremediation tools for storm water management are expected to offer an enhanced opportunity for commercial applications beyond the residential market (G. Acomb

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Eugene K. Blythe and Donald J. Merhaut

restrictions and assumptions such as similar particle size distribution of the components used in their study, which may not be typical in actual nursery practice. Milks et al. (1989) used a five-parameter, nonlinear function to predict physical property

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Kristen A. Saksa, Thomas W. Ilvento and Susan S. Barton

ecological, social, and educational benefits in urban and suburban landscapes (Ecological Landscaping Association, 2009; Miller and Hobbs, 2002 ; Rudd et al., 2002 ; Sustainable Sites Initiative, 2009 ; Tallamy, 2007 ). In the context of the rapid

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Frank Balestri and William R. Graves

Nyssa biflora Walt. (swamp tupelo) is indigenous to swamps and bottomlands of the southeastern United States. The species distribution comprises the coastal plain from Delaware to south Florida and east Texas, and extends north to southern Illinois

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Allen V. Barker

presents current research on the effects of cold temperatures on world distribution of plants and their growth and yield. It covers ecological studies on the impact of global warming and transgenic approaches to cold acclimation. Factors, such as ice

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Richard A. Criley

, shelter, and sex and that what he learned on trips with Ziegler forced him to revise his estimation of what a clever plant is capable of doing to a credulous animal. Orchid distribution often is rather scattered, requiring rather specific pollinators that