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Author : Anonim
Publisher : Unknown
Page : 16 pages
File Size : 43,6 Mb
Release : 2006
Category : Forest reserves
ISBN : MINN:31951D027280878
Author : Kenneth W. Stolte
Publisher : Unknown
Page : 140 pages
File Size : 42,9 Mb
Release : 1993
Category : Air
ISBN : MINN:31951D030011256
Author : Vertika Shukla,D.K. Upreti,Rajesh Bajpai
Publisher : Springer Science & Business Media
Page : 185 pages
File Size : 44,5 Mb
Release : 2013-08-23
Category : Science
ISBN : 9788132215035
The book embodies the detailed account about unique symbionts i.e. LICHENS in ecosystem monitoring. The first chapter deals with unique characteristics features of lichens which facilitate their survival in extreme climates and makes them an ideal organism for ecosystem monitoring. Biosynthesis of secondary metabolites are known to protect lichens against increasing environmental stresses therefore second chapter provides insight into various chromatographic and modern spectroscopic techniques involved in separation and characterization of lichen substances. The third chapter elaborates the criteria for selection of biomonitoring species and characters of host plant that influences lichen diversity and details about different lichen species utilized for biomonitoring. One can retrieve preliminary information about the air quality based on the lichen community structure and distribution of bioindicator species as lichen communities/indicator species provides valuable information about the natural/anthropogenic induced changes in the microclimate and land-use changes due to human activity. Therefore, for identification of species, a key to genera and species provides concise information to identify the lichen species based on their morphological and anatomical characters and chemicals present. Keys provided in Chapter 4 will help the beginners to identify some common lichen species based on the distribution in different climatic zones of India. The section also provides comprehensive information about the bioindicator communities and bioindicator species from India. Chapter 5 provides the details of factors affecting the ecosystem (natural as well as anthropogenic disturbances) and role of lichens in ecosystem monitoring in India has been discussed in detail. Chapter 6 discusses the need and utility of indicator species especially lichen biomonitoring data in sustainable forest management and conservation. The content about lichens in biomonitoring will be a valuable resource for researchers from different fields and will provide an essential reference for people interested in lichens and its role in ecosystem monitoring. The book will also hopefully popularize lichenological studies in India and will generate more active participation of lichen biomonitoring studies in management and conservation of natural resources in India.
Author : Anonim
Publisher : Unknown
Page : 348 pages
File Size : 42,8 Mb
Release : 1993
Category : Forests and forestry
ISBN : UOM:39015027093734
Author : B. Markert,K. Friese
Publisher : Elsevier
Page : 596 pages
File Size : 53,6 Mb
Release : 2000-08-24
Category : Science
ISBN : 0080543138
This volume discusses major areas of primary concern for the understanding of the complexity associated with ecological trace element research. These include sources and fates of trace elements; analytical techniques; and the distribution of trace elements in biota and soil and sediment reservoirs. Case studies, field work and laboratory studies intensively discussed in this volume are useful to enhance our knowledge about processes related to the biological response of trace metal stress under realistic environmental conditions.
Author : Pier Luigi Nimis,Christoph Scheidegger,Patricia A. Wolseley
Publisher : Springer Science & Business Media
Page : 395 pages
File Size : 43,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401004237
A comprehensive, up-to-date review of lichens as biomonitors of air pollution (bioindication, metal and radionuclide accumulation, biomarkers), and as monitors of environmental change (including global climate change and biodiversity loss) in a wide array of terrestrial habitats. Several methods for using lichens as biomonitors are described in a special section of the book.
Author : United States. Department of the Interior. Alaska Planning Group
Publisher : Unknown
Page : 716 pages
File Size : 46,8 Mb
Release : 1975
Category : Environmental impact statements
ISBN : UOM:39015005800571
Author : DK Eyewitness
Publisher : Penguin
Page : 306 pages
File Size : 46,8 Mb
Release : 2017-10-17
Category : Travel
ISBN : 9781465473479
The ideal travel companion, full of insider advice on what to see and do, plus detailed itineraries and comprehensive maps for exploring this wild and scenic state. Tour the mighty Mendenhall Glacier, ride the Alaska Marine Highway or brave the cold to catch a glimpse of the mesmerizing Northern Lights: everything you need to know is clearly laid out within color-coded chapters. Discover the best of Alaska with this indispensable travel guide. Inside DK Eyewitness Travel Guide Alaska: - Over 25 color maps help you navigate with ease - Simple layout makes it easy to find the information you need - Comprehensive tours and itineraries of Alaska, designed for every interest and budget - Illustrations and area plans show in detail the Alaska Native Heritage Center, Independence Mine State Historical Park, Kenai Fjords National Park and more - Color photographs of Alaska's natural wonders - glaciers, waterfalls, lakes and rivers, forest trails, mountains, Arctic tundra - plus harbor towns, villages and the state's largest city, Anchorage - Detailed chapters, with area maps, cover Anchorage, the Kenai peninsula, Prince William Sound, Southeast Alaska, Western Interior Alaska, Eastern Interior Alaska, Southwest Alaska, Arctic and Western Alaska - Historical and cultural context gives you a richer travel experience: learn about the history of Alaska, land and ecology, people and society, and festivals and events that take place throughout the year - Experience Alaska with features on the Native cultures and peoples of Alaska, volcanoes and earthquakes, Alaska's glaciers, landscape and wildlife, Russian culture, dog sledding, and more - Essential travel tips: our expert choices of where to stay, eat, shop and sightsee, plus transport, visa and health information DK Eyewitness Travel Guide Alaska is a detailed, easy-to-use guide designed to help you get the most from your visit to Alaska. DK Eyewitness: winner of the Top Guidebook Series in the Wanderlust Reader Travel Awards 2017. "No other guide whets your appetite quite like this one" - The Independent Planning to explore more of America? Try our DK Eyewitness Travel Guide USA. About DK Eyewitness Travel: DK's highly visual Eyewitness guides show you what others only tell you, with easy-to-read maps, tips, and tours to inform and enrich your holiday. DK is the world's leading illustrated reference publisher, producing beautifully designed books for adults and children in over 120 countries.
Author : Sally J. Campbell
Publisher : Unknown
Page : 28 pages
File Size : 48,5 Mb
Release : 2004
Category : Forest surveys
ISBN : MINN:31951D029770120
This publication presents highlights of a recent southeast Alaska inventory and analysis conducted by the Pacific Northwest Research Station Forest Inventory and Analysis Program (USDA Forest Service). Southeast Alaska has about 22.9 million acres, of which two-thirds are vegetated. Almost 11 million acres are forest land and about 4 million acres have nonforest vegetation (herbs and shrubs). Species diversity is greatest in western hemlockAlaska cedar closed-canopy forests, in mixed-conifer open and woodland forests, and in open tall alder-willow shrub type. Of the forest land, 4.1 million acres are classified as timberland (unreserved productive forest land). About 4.4 million acres of forest land are reserved from harvest; the majority of this reserved land (85 percent) is on the Tongass National Forest (USDA Forest Service). The volume of timber on timberland was estimated at 21,040 million cubic feet; the majority of volume88 percentis on the Tongass National Forest. Seventy-four percent of timberland acres and 84 percent of the growing-stock volume is in sawtimber stands older than 150 years, with western hemlock or western hemlockSitka spruce mix predominating. Most timberland in southeast Alaska is of relatively low productivity, producing less than 85 cubic feet per acre per year. For most timberland acres, average annual growth exceeds average annual mortality and harvest.
Author : United States. Department of the Interior. Alaska Planning Group
Publisher : Unknown
Page : 724 pages
File Size : 51,9 Mb
Release : 1975
Category : Regional planning
ISBN : MINN:31951P00535373Y
Author : Anonim
Publisher : Unknown
Page : 368 pages
File Size : 55,9 Mb
Release : 2007
Category : Electronic
ISBN : NWU:35556036529444
Author : Anonim
Publisher : Unknown
Page : 28 pages
File Size : 52,8 Mb
Release : 2008
Category : Forest reserves
ISBN : OCLC:1012400095
Author : Leslie A. Viereck,Elbert Luther Little
Publisher : Unknown
Page : 108 pages
File Size : 50,5 Mb
Release : 1974
Category : Agriculture
ISBN : UVA:X030492842
Guide for identification of trees native to Alaska.
Author : Leslie A. Viereck,Elbert Luther Little
Publisher : Unknown
Page : 286 pages
File Size : 40,7 Mb
Release : 1972
Category : Alaska
ISBN : ERDC:35925002039680
Author : Anonim
Publisher : Unknown
Page : 998 pages
File Size : 52,8 Mb
Release : 1997
Category : Electronic
ISBN : NWU:35556030817142