Technical Guidelines for Genetic Conservation of Norway Spruce (Picea Abies (L.) Karst.) PDF Download
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Author: European Forest Genetic Resources Programme
Publisher: Bioversity International
ISBN: 9290433310
Category : Forest germplasm resources conservation
Languages : en
Pages : 51
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Book Description
Author: European Forest Genetic Resources Programme
Publisher: Bioversity International
ISBN: 9290433310
Category : Forest germplasm resources conservation
Languages : en
Pages : 51
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Book Description
Author: Achim Bräuning
Publisher: Frontiers Media SA
ISBN: 2889451925
Category :
Languages : en
Pages : 468
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Book Description
Trees are among the longest-living organisms. They are sensitive to extreme climatic events and document the effects of environmental changes in form of structural modifications of their tissues. These modifications represent an integrated signal of complex biological responses enforced by the environment. For example, temporal change in stem increment integrates multiple information of tree performance, and wood anatomical traits may be altered by climatic extremes or environmental stress. Recent developments in preparative tools and computational image analysis enable to quantify changes in wood anatomical features, like vessel density or vessel size. Thus, impacts on their functioning can be related to climatic forcing factors. Similarly, new developments in monitoring (cambial) phenology and mechanistic modelling are enlightening the interrelationships between environmental factors, wood formation and tree performance and mortality. Quantitative wood anatomy is a reliable indicator of drought occurrence during the growing season, and therefore has been studied intensively in recent years. The variability in wood anatomy not only alters the biological and hydraulic functioning of a tree, but may also influence the technological properties of wood, with substantial impacts in forestry. On a larger scale, alterations of sapwood and phloem area and their ratios to other functional traits provide measures to detect changes in a tree’s life functions, and increasing risk of drought-induced mortality with possible impacts on hydrological processes and species composition of plant communities. Genetic variability within and across populations is assumed to be crucial for species survival in an unpredictable future world. The magnitude of genetic variation and heritability of adaptive traits might define the ability to adapt to climate change. Is there a relation between genetic variability and resilience to climate change? Is it possible to link genetic expression and climate change to obtain deeper knowledge of functional genetics? To derive precise estimates of genetic determinism it is important to define adaptive traits in wood properties and on a whole-tree scale. Understanding the mechanisms ruling these processes is fundamental to assess the impact of extreme climate events on forest ecosystems, and to provide realistic scenarios of tree responses to changing climates. Wood is also a major carbon sink with a long-term residence, impacting the global carbon cycle. How well do we understand the link between wood growth dynamics, wood carbon allocation and the global carbon cycle? Papers contribution to this Research Topic will cover a wide range of ecosystems. However, special relevance will be given to Mediterranean-type areas. These involve coastal regions of four continents, making Mediterranean-type ecosystems extremely interesting for investigating the potential impacts of global change on growth and for studying responses of woody plants under extreme environmental conditions. For example, the ongoing trend towards warmer temperatures and reduced precipitation can increase the susceptibility to fire and pests. The EU-funded COST Action STREeSS (Studying Tree Responses to extreme Events: a SynthesiS) addresses such crucial tree biological and forest ecological issues by providing a collection of important methodological and scientific insights, about the current state of knowledge, and by opinions for future research needs.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 632
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Book Description
Author: OECD
Publisher: OECD Publishing
ISBN: 9264053468
Category :
Languages : en
Pages : 826
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Book Description
These OECD Biosafety Consensus Documents identify elements of scientific information used in the environmental safety and risk assessment of transgenic organisms which are common to OECD member countries.
Author: V. Ramanatha Rao
Publisher: CABI
ISBN: 9780851998862
Category : Crops
Languages : en
Pages : 510
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Book Description
This book contains edited and revised papers from a conference on 'Science and Technology for Managing Plant Genetic Diversity in the 21st Century' held in Malaysia in June 2000, organised by the International Plant Genetic Resources Institute (IPGRI). It includes keynote papers and some 40 additional ones, covering ten themes.The major scientific challenges to developing a global vision for the next century are identified and key research objectives are also discussed.
Author:
Publisher:
ISBN:
Category : Agricultural biotechnology
Languages : en
Pages : 450
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Book Description
The goal of OECD Biosafety consensus documents is to identify elements of scientific information used in the environmental safety/ risk assessment of transgenic organisms which are common to OECD member countries. This is intended to encourage information sharing and prevent duplication of effort among countries. These two volumes bring together for the first time these Biosafety consensus documents in order for these documents to be distributed more widely and utilized more easily by intended users, such as applicants for commercialization, regulators in national authorities and researchers.
Author: European Forest Genetic Resources Programme (EUFORGEN). Meeting
Publisher:
ISBN:
Category : Black poplar
Languages : en
Pages : 96
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Book Description
Author:
Publisher:
ISBN:
Category : Forest genetics
Languages : en
Pages : 704
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Book Description
Author:
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 72
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Book Description
Author: Jozef Turok
Publisher:
ISBN:
Category : Forest genetics
Languages : en
Pages : 102
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Book Description
