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Resource Dynamics and Positive and Negative Interactions Between Plants in Arid Systems

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Author :
Release : 2002
Genre : Plant competition
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Resource Dynamics and Positive and Negative Interactions Between Plants in Arid Systems by : Jane Noeleen Prider

Download or read book Resource Dynamics and Positive and Negative Interactions Between Plants in Arid Systems written by Jane Noeleen Prider. This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt: Proposes that the overall outcome of plant interactions along a temporal gradient of resource availability changes from positive during interpulses to negative during pulses. Examines negative interactions between 4 co-dominant chenopod scrubs in arid Acacia papyrocarpa woodlands. Negative interactions were more intense when conditions were least productive. Positive interactions between seedlings also changed over time, depending on the facilitation mechanism. Plant interactions seem to be most intense at the beginning of interpulses when plants are competing for diminishing water, or survivorship is enhanced in the favorable microsites provided by other plants. Later in the interpulse, interactions become less intense as conditions become more stressful and therefore survivorship and growth are affected more by abiotic conditions than plant interactions.

Positive Interactions and Interdependence in Plant Communities

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Release : 2007-08-28
Genre : Science
Kind : eBook
Book Rating : 249/5 ( reviews)

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Book Synopsis Positive Interactions and Interdependence in Plant Communities by : Ragan M. Callaway

Download or read book Positive Interactions and Interdependence in Plant Communities written by Ragan M. Callaway. This book was released on 2007-08-28. Available in PDF, EPUB and Kindle. Book excerpt: This book marshals ecological literature from the last century on facilitation to make the case against the widely accepted individualistic notion of community organization. It examines the idea that positive interactions are more prevalent in physically stressful conditions. Coverage also includes species specificity in facilitative interactions, indirect facilitative interactions, and potential evolutionary aspects of positive interactions.

Positive Plant Interactions and Community Dynamics

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Release : 2010-02-09
Genre : Nature
Kind : eBook
Book Rating : 959/5 ( reviews)

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Book Synopsis Positive Plant Interactions and Community Dynamics by : Francisco Pugnaire

Download or read book Positive Plant Interactions and Community Dynamics written by Francisco Pugnaire. This book was released on 2010-02-09. Available in PDF, EPUB and Kindle. Book excerpt: Ever since the concept of the "struggle for life" became the heart of Darwin's theory of evolution, biologists have studied the relevance of interactions for the natural history and evolution of organisms. Although positive interactions among plants have traditionally received little attention, there is now a growing body of evidence showing the ef

Agroforestry

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Release : 2018-04-06
Genre : Technology & Engineering
Kind : eBook
Book Rating : 502/5 ( reviews)

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Book Synopsis Agroforestry by : Jagdish Chander Dagar

Download or read book Agroforestry written by Jagdish Chander Dagar. This book was released on 2018-04-06. Available in PDF, EPUB and Kindle. Book excerpt: Agroforestry (AF) is a dynamic, ecologically based, natural resources management system that, by integrating trees on farms, ranches, and in other landscapes, diversifies and increases production and promotes social, economic, and environmental benefits for land users. Further, it is receiving increasing attention as a sustainable land-management option worldwide because of its ecological, economic, and social attributes. Advances have been achieved by building on past research accomplishments and expanding AF’s stakeholder base, which now includes private/public partnerships, communities, ecologists, farmers, indigenous peoples, and policymakers in both temperate and tropical countries. AF has now been recognized as a valuable problem-solving approach to ensuring food security and rebuilding resilient rural environments. Recent studies have shown that more than 1 billion hectares of agricultural land have more than 10% tree cover. Of this area, 160 million hectares have more than 50% tree cover. Agricultural ecosystems can be further improved through AF to achieve environmental restoration, greater farm productivity, and key ecological services, including climate change mitigation and adaptation for improved rural livelihood. In fact, it is largely considered synonymous with climate smart agriculture and a remedy for many modern environmental challenges. Consequently, AF’s knowledge base is being expanded at a rapid rate, as illustrated by the increasing number and quality of scientific publications on various forms and different aspects of AF. This book offers state-of-the-art information on the fundamental concepts and history of AF and its evolution as a science, presenting a wealth of advanced research results and evaluations relating to different aspects of AF. Accordingly, it will be useful for a broad readership, including students, foresters, farmers, local communities, indigenous peoples, civil society institutions, media, policymakers and the general public.

Positive and negative dynamics of plant-plant interactions along environmental gradients: Effects at individual and community level

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Author :
Release : 2010
Genre : Dynamics
Kind : eBook
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Book Synopsis Positive and negative dynamics of plant-plant interactions along environmental gradients: Effects at individual and community level by : Lea Lucia Anna Märtin

Download or read book Positive and negative dynamics of plant-plant interactions along environmental gradients: Effects at individual and community level written by Lea Lucia Anna Märtin. This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt:

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