Download or read book Evaluation of Forest Die back Symptoms on Norway Spruce Picea Abies L Karst and Red Spruce Picea Rubens Sarg in Europe and America written by Heiko Liedeker and published by . This book was released on 1986 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the US FRG Research Symposium written by and published by . This book was released on 1989 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forest Decline in the Atlantic and Pacific Region written by Reinhard F. Huettl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest damage, forest decline, forest dieback - not related to biotic agents - is occurring in the Atlantic and Pacific regions. In Europe and Eastern North America this serious problem is considered to be, at least to some part, related to industrial air pollutants and their atmospheric conversion products, such as acid rain or ozone. Forest declines in the Pacific region have been attributed largely to natural causes involving forest dynamics, since air pollution and other negative anthropogenic influences are practically absent. Presented here are typical decline phenomena in the Pacific and Atlantic region, potential causes, effects and mitigation strategies, and the question whether there are any similarities on a functional or structural basis is addressed.
Download or read book Management of Nutrition in Forests under Stress written by H.W. Zöttl and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the International Symposium, held in Freiburg, Germany, September 18-21, 1989
Download or read book Air Pollution and Plant Life written by J. N. B. Bell and published by John Wiley & Sons. This book was released on 2002-05-22 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Air Pollution and Plant Life" - Ein idealer Studienbegleiter zu Lehrveranstaltungen in den Bereichen Umwelt- und Pflanzenwissenschaft. Jetzt neu in der 2. Auflage. Dieser Band bietet einen umfassenden Überblick über die direkten und indirekten Auswirkungen der Luftverschmutzung auf die Pflanzenwelt und ihre Folgen für die allgemeine pflanzliche Produktivität. Untersucht werden verschiedene Schadstoffe, wie z.B. Oxidantien, Stickstoffoxide, Schwefeloxide, Fluoride und Feststoffteilchen, Schadstoffquellen sowie die Aufnahme und Speicherung einzelner Schadstoffe durch die Pflanzen. Darüber hinaus werden die aktuellen Richtlinien zur Luftqualität und deren Rolle in der Umweltpolitik umfassend erläutert. "Air Pollution and Plant Life" ist aber nicht nur ein wichtiges Lehrbuch für Studienanfänger und fortgeschrittene Studenten, sondern auch ein ideales Nachschlagewerk für Forscher in diesem Bereich.
Download or read book Air Pollution and Forest Decline written by Jürg B. Bucher and published by . This book was released on 1989 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water Air and Soil Pollution written by and published by . This book was released on 1990 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Boyce Thompson Institute Collected Research Papers written by and published by . This book was released on 1923 with total page 1224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nutrient Uptake and Cycling in Forest Ecosystems written by L.O. Nilsson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the research results and discussions presented in this book it becomes clear that a profound understanding of the various interrelationships of the nutritional aspects allows the implementation of specific management strategies to improve stability and productivity of forest ecosystems. In particular the effects of environmental changes as related to the impacts of air pollution, global change and land use on nutrient uptake and cycling processes in forest ecosystems are dealt with in detail. The book is divided into six main issues and each topic contains reviews as well as selected results of recent studies.
Download or read book Decline and Mortality of Red Spruce in West Virginia written by and published by . This book was released on 1986 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluating the Influence of Disturbance and Climate on Red Spruce Picea Rubens Sarg Community Dynamics at Its Southern Range Margin written by Relena Rose Ribbons and published by . This book was released on 2011 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Picea rubens(red spruce) populations experienced a synchronous rangewide decline in growth and vigor starting in the 1960's, which was likely caused by climate change or environmental disturbances (e.g., acid deposition); However, it is yet unknown if populations continue to decline or have recovered. In the context of global warming, red spruce is a species of concern because it is at its southern continuous range margin in Massachusetts. This study uses tree-ring data coupled with population data from permanent plots to quantify the status of red spruce in Massachusetts. Tree cores were extracted from red spruce and used to examine radial growth rates, determine a growth-climate relationship, and document disturbance events. Red spruce at these plots ranged from 90 to 184 years old, and comprised 15 to 29 m2/ha-1 basal area. Over the past 50 years, red spruce has decreased in density, basal area, and relative importance while red maple, yellow birch, and American beech have increased. Red spruce saplings persisted in some plots, but the sapling layer was comprised mostly of American beech or red maple. However, red spruce seedlings were common at red spruce dominant plots indicating that if favorable conditions occur, it could return to its more dominant position in the canopy. Dendroclimatological analyses show that red spruce is sensitive to both temperature and precipitation. Most sites are correlated with temperature, while only two forests were correlated to precipitation. The general temperature response of the red spruce studied was positively correlated with winter temperatures while the general precipitation response was negatively correlated with precipitation. Temporal analysis of the climate-growth response indicates that red spruce here have not had a temporally-stable, climate-growth relationship. Prior to 1960, radial growth was positively correlated with temperatures from November of the previous growing season to January of the current year. After 1960, all sites showed a shift in growth responses consistent with increased summer temperature stress; narrowed tree rings were formed during warm temperatures in July and August. Precipitation remained relatively constant over the past century, while temperatures have increased up to 2°C across the study area. Of the two precipitation-sensitive forests, one forest shifted from being positively correlated with current January precipitation to negatively correlated with previous October precipitation while the second forest showed a strong positive relationship with August precipitation. Because the radial growth of red spruce here are mostly constrained by temperatures, there has been negative growth response to regional warming and precipitation has been stable, I suggest the change in climate response is potentially due to warming and a physiological threshold response to increasing temperatures. Interestingly, disturbance frequency and intensity have increased over the same time period, which could be either a trigger or a response to the shift in the growth-climate relationship.
Download or read book Agrindex written by and published by . This book was released on 1992 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ROOT VITALITY AND DECLINE OF RED SPRUCE written by and published by . This book was released on 1993 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acid Deposition and Novel Forest Decline in Central and Northern Europe written by Lars Moseholm and published by . This book was released on 1988 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Heterobasidion Annosum Root and Butt Rot of Norway Spruce Picea Abies written by Malin Bendz-Hellgren and published by . This book was released on 1997 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Defense Mechanisms in Norway Spruce Picea Abies L Karst Anatomical and Molecular Responses to Pathogen Infection written by Nina Elisabeth Nagy and published by . This book was released on 2002 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Damping off disease written by Gregor Kozlowski and published by . This book was released on 1997 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
