Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Shifts In Chaparral Species Dominance In A Mediterranean Ecosystem Under A Changing Fire Regime
Download Shifts In Chaparral Species Dominance In A Mediterranean Ecosystem Under A Changing Fire Regime full books in PDF, epub, and Kindle. Read online Shifts In Chaparral Species Dominance In A Mediterranean Ecosystem Under A Changing Fire Regime ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Shifts in Chaparral Species Dominance in a Mediterranean Ecosystem Under a Changing Fire Regime by : Luis Aguilar
Download or read book Shifts in Chaparral Species Dominance in a Mediterranean Ecosystem Under a Changing Fire Regime written by Luis Aguilar and published by . This book was released on 2015 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over a span of 70 years, portions of the Santa Monica Mountains in southern California have seen a change from an Adenostoma fasciculatum dominated chaparral community to a co-dominant A. fasciculatum – Ceanothus megacarpus community. Each of these species has a different adaptation to fire. A. fasciculatum is a facultative seeder, while C. megacarpus is an obligate seeder. In conjunction with 70 years of vegetation modification by humans, environmental conditions have also changed: fire frequency has increased, and drier conditions are becoming more common. Recognizing that species compositional change in the Santa Monica Mountains chaparral community may be somewhat unexpected, this study attempts to identify the drivers of this apparent transformation. It hypothesizes that the observed trends can be explained by increased fire frequency and drought. Consequently, it is expected that C. megacarpus will perform better than A. fasciculatum under increasing fire frequency and drought. Using GIS, an overlay analysis was conducted to identify the areas where shift of dominant species occurred, together with related fire history. Two datasets were examined for species composition and fire history. The first dataset referenced vegetation from 1934 to 2004, and was analyzed using a Geographic Information System (GIS) program while the second consisted of field data acquired in 2004 and in 2014. In contradiction to the stated hypothesis, the analysis suggested that A. fasciculatum was better adapted for higher fire frequency than C. megacarpus. This was observed in the 1934/2004 dataset. The 2004/2014 dataset did not yield enough areas of change to analyze the relationship between vegetation dynamics and fire frequency. The complexity of this system could not be sufficiently explained by this study, but the research did suggest that A. fasciculatum is better adapted to increased fire frequency than C. megacarpus.
Book Synopsis Valuing Chaparral by : Emma C. Underwood
Download or read book Valuing Chaparral written by Emma C. Underwood and published by Springer. This book was released on 2018-04-09 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chaparral shrubland ecosystems are an iconic feature of the California landscape, and a highly biodiverse yet highly flammable backdrop to some of the fastest growing urban areas in the United States. Chaparral-type ecosystems are a common element of all of the world’s Mediterranean-type climate regions – of which California is one – yet there is little public appreciation of the intrinsic value and the ecosystem services that these landscapes provide. Valuing Chaparral is a compendium of contributions from experts in chaparral ecology and management, with a focus on the human relationship with chaparral ecosystems. Chapters cover a wide variety of subjects, ranging from biodiversity to ecosystem services like water provision, erosion control, carbon sequestration and recreation; from the history of human interactions with chaparral to current education and conservation efforts; and from chaparral restoration and management to scenarios of the future under changing climate, land use, and human population. Valuing Chaparral will be of interest to resource managers, the research community, policy makers, and the public who live and work in the chaparral dominated landscapes of California and other Mediterranean-type climate regions.
Book Synopsis Ecosystems of California by : Harold Mooney
Download or read book Ecosystems of California written by Harold Mooney and published by Univ of California Press. This book was released on 2016-01-19 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt: This long-anticipated reference and sourcebook for CaliforniaÕs remarkable ecological abundance provides an integrated assessment of each major ecosystem typeÑits distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and present, flora and fauna, aquatic and terrestrial, natural and managed. Each chapter evaluates natural processes for a specific ecosystem, describes drivers of change, and discusses how that ecosystem may be altered in the future. This book also explores the drivers of CaliforniaÕs ecological patterns and the history of the stateÕs various ecosystems, outlining how the challenges of climate change and invasive species and opportunities for regulation and stewardship could potentially affect the stateÕs ecosystems. The text explicitly incorporates both human impacts and conservation and restoration efforts and shows how ecosystems support human well-being. Edited by two esteemed ecosystem ecologists and with overviews by leading experts on each ecosystem, this definitive work will be indispensable for natural resource management and conservation professionals as well as for undergraduate or graduate students of CaliforniaÕs environment and curious naturalists.
Book Synopsis Fire in California's Ecosystems by : Jan W. van Wagtendonk
Download or read book Fire in California's Ecosystems written by Jan W. van Wagtendonk and published by Univ of California Press. This book was released on 2018-06-08 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fire in California’s Ecosystems describes fire in detail—both as an integral natural process in the California landscape and as a growing threat to urban and suburban developments in the state. Written by many of the foremost authorities on the subject, this comprehensive volume is an ideal authoritative reference tool and the foremost synthesis of knowledge on the science, ecology, and management of fire in California. Part One introduces the basics of fire ecology, including overviews of historical fires, vegetation, climate, weather, fire as a physical and ecological process, and fire regimes, and reviews the interactions between fire and the physical, plant, and animal components of the environment. Part Two explores the history and ecology of fire in each of California's nine bioregions. Part Three examines fire management in California during Native American and post-Euro-American settlement and also current issues related to fire policy such as fuel management, watershed management, air quality, invasive plant species, at-risk species, climate change, social dynamics, and the future of fire management. This edition includes critical scientific and management updates and four new chapters on fire weather, fire regimes, climate change, and social dynamics.
Download or read book Wildland Fire in Ecosystems written by and published by . This book was released on 2000 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fire in Mediterranean Ecosystems by : Jon E. Keeley
Download or read book Fire in Mediterranean Ecosystems written by Jon E. Keeley and published by Cambridge University Press. This book was released on 2012 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the role of fire in Mediterranean-type climate ecosystems, providing unique insights into the assembly and evolutionary convergence of ecosystems.
Book Synopsis Brushfires in California by : Jon E. Keeley
Download or read book Brushfires in California written by Jon E. Keeley and published by . This book was released on 1995 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Terrestrial Vegetation of California, 3rd Edition by : Michael Barbour
Download or read book Terrestrial Vegetation of California, 3rd Edition written by Michael Barbour and published by Univ of California Press. This book was released on 2007-07-17 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This completely new edition of Terrestrial Vegetation of California clearly documents the extraordinary complexity and richness of the plant communities and of the state and the forces that shape them. This volume is a storehouse of information of value to anyone concerned with meeting the challenge of understanding, managing or conserving these unique plant communities under the growing threats of climate change, biological invasions and development."—Harold Mooney, Professor of Environmental Biology, Stanford University "The plants of California are under threat like never before. Traditional pressures of development and invasive species have been joined by a newly-recognized threat: human-caused climate change. It is essential that we thoroughly understand current plant community dynamics in order to have a hope of conserving them. This book represents an important, well-timed advance in knowledge of the vegetation of this diverse state and is an essential resource for professionals, students, and the general public alike."—Brent Mishler, Director of the University & Jepson Herbaria and Professor of Integrative Biology, University of California, Berkeley
Book Synopsis Fire Regimes in Desert Ecosystems: Drivers, Impacts and Changes by : Eddie John Van Etten
Download or read book Fire Regimes in Desert Ecosystems: Drivers, Impacts and Changes written by Eddie John Van Etten and published by Frontiers Media SA. This book was released on 2022-10-14 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sierra Nevada Forest Plan Amendment: Chapter 3, parts 1-3, 5 and 6 by :
Download or read book Sierra Nevada Forest Plan Amendment: Chapter 3, parts 1-3, 5 and 6 written by and published by . This book was released on 2001 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sierra Nevada Forest Plan Amendment by :
Download or read book Sierra Nevada Forest Plan Amendment written by and published by . This book was released on 2000 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis California Grasslands by : Mark R. Stromberg
Download or read book California Grasslands written by Mark R. Stromberg and published by Univ of California Press. This book was released on 2007-12-03 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This highly synthetic and scholarly work brings together new and important scientific contributions by leading experts on a rich diversity of topics concerning the history, ecology, and conservation of California's endangered grasslands. The editors and authors have succeeded admirably in drawing from a great wealth of recent research to produce a widely accessible and compelling, state-of-the-art treatment of this fascinating subject. Anyone interested in Californian biodiversity or grassland ecosystems in general will find this book to be an invaluable resource and a major inspiration for further research, management, and restoration efforts."—Bruce G. Baldwin, W. L. Jepson Professor and Curator, UC Berkeley "Grasses and grasslands are among the most important elements of the California landscape. This is their book, embodying the kind of integrated view needed for all ecological communities in California. Approaches ranging across an incredibly broad spectrum -- paleontology and human history; basic science and practical management techniques; systematics, community ecology, physiology, and genetics; physical factors such as water, soil nutrients, atmospherics, and fire; biological factors such as competition, symbiosis, and grazing -- are nicely tied together due to careful editorial work. This is an indispensable reference for everyone interested in the California environment."—Brent Mishler, Director of the University & Jepson Herbaria and Professor of Integrative Biology, UC Berkeley "The structure and function of California grasslands have intrigued ecologists for decades. The editors of this volume have assembled a comprehensive set of reviews by a group of outstanding authors on the natural history, structure, management, and restoration of this economically and ecologically important ecosystem."—Scott L. Collins, Professor of Biology, University of New Mexico
Book Synopsis Mediterranean-Type Ecosystems by : F.J. Kruger
Download or read book Mediterranean-Type Ecosystems written by F.J. Kruger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theory of ecological convergence underlies the biogeographers' maps of world biome-types. It also determines the degree to which ecological principles, derived from research on particular populations, communities or ecosystems, are generally valid, and hence also to what extent resource management principles are general. To quote Di Castri and Mooney (1973): "In effect, in order to assess the transfer of technology, it is essential to know to what extent information acquired from studying one particular ecosystem is applicable to another ecosystem of the same type but situated in a different location. " The five relatively small, isolated, mediterranean-climate zones of the earth, each with its distinct fauna and flora, have provided the ideal testing grounds for this theory. A heritage of precisely focused ecosystems research has resulted, beginning with the international comparative analyses conducted by Specht (l969a, b) but with antecedents in earlier studies in South Australia (Specht and Rayson 1957, Specht 1973). Cody and Mooney (1978) reviewed the information available at the time for the four zones excepting Australia and concluded that the arrays of strategy-types to be found among the different biotas were so similar that they could be explained only in terms of the convergence hypothesis; nevertheless, evident differences in community organization and dynamics, especially phenol ogy, required closer study of resource availability and resource-use patterns to better explain relations between form and function overall, and to assess the degree of convergence at higher levels of organization than the population.
Book Synopsis Uncoupling Impacts of Drought and Short-interval Fire on Chaparral in Southern California Using Time-sequential Landsat Imagery by :
Download or read book Uncoupling Impacts of Drought and Short-interval Fire on Chaparral in Southern California Using Time-sequential Landsat Imagery written by and published by . This book was released on 2019 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: errestrial vegetation growth, climate variation, and fire activity have been strongly coupled since the advent of vascular plants approximately 420 million years before present. Rises in anthropogenic land cover transformation, invasive species propagation, carbon emission, and artificial sources of fire ignition in recent centuries have greatly affected terrestrial plant communities. The populous, semi-arid region of southern California is marked by heightened fire activity and extreme drought episodes in recent decades. Contemporary regimes (spatial-temporal patterns) of fire and drought may exceed historical ranges of variability and thus threaten native plant communities, which may have adapted to quite different disturbance regimes. Postfire recovery of southern California shrub species (chaparral) may be impeded by fires that recur at short intervals or by severe drought. Evaluating the response of chaparral to compound fire-drought effects is key in conservation planning under projected climate, land use, and fire regime scenarios. Time-sequential remote sensing based on Landsat satellite imagery is a useful way to characterize shrub cover change over regional extents and several decades, and may provide a broader perspective than much of the ecological and biogeographic literature, which is mostly based on field studies. Landscape-scale variations of shrub type, soil reflectance, and terrain may introduce spatial bias into signals of change in fractional shrub cover (FSC) based on spectral vegetation indices (SVIs), including Normalized Difference Vegetation Index (NDVI). Chapter 2 evaluates these potential error sources in the application of postfire recovery assessment based on Landsat image series. Chapter 2 is based on three chaparral landscapes having internally-varied postfire recovery trajectories, and involves a cross-stratification variable-control approach. Results show that differences in shrub type linked to biomass variations can significantly influence linear NDVI-FSC relations, and such effects are accentuated in postfire recovery metrics based on NDVI difference. Minor effects due to soil spectral reflectance differences were observed at one site, but no significant effect of terrain illumination variability was found. Insights from Chapter 2 guided the methodologies of Chapters 3 and 4, which evaluate regional-scale influences of repeated fire and of drought on chaparral recovery, respectively. A regional map of change in FSC between the periods 1984–1989 and 2014–2018 was derived by transforming Landsat NDVI trajectories into calibrated estimates of FSC within 49 manually-delineated portions of the regional chaparral community, based on detailed shrub cover maps derived from high spatial resolution aerial imagery. Postfire recovery patterns were evaluated in 246 areas which burned in the period 1985–2008 and represent varied numbers of burns (one to three) and fire return intervals (1 to 23 years). Fire-return interval was not significantly related to recovery, except at sites that had burned three times within 25 years. Mean precipitation, soil hydrologic properties, and chaparral community type were significant predictors of recovery in the region. Limited postfire recovery was most acute in transmontane ecotonal chamise sites bounding the Colorado Desert. Chapter 4 addresses the influence of drought on postfire chaparral recovery in montane, cismontane and transmontane areas of southern California (deemed as climate zones). I evaluated drought based on summer (June–August) and wet-season (November–May) aggregates of precipitation, Palmer Drought Severity Index (PDSI) and climatic water deficit (CWD), in years preceding and following fire events. Only prefire drought was significant in postfire recovery of montane chaparral. Drought before and in the first and second wet seasons after fire were significant controls on recovery in the other climate zones. High-elevation transmontane chamise sites most impacted by drought (with spatially variable recovery patterns) were selected to evaluate landscape-level predictors of recovery. Elevation, soil permeability, chaparral community type, and FSC-normalized Landsat Visible Atmospherically-Resistant Index (VARI) were significant predictors of landscape-scale variation of recovery under drought impact (R2 = 0.53). Based on twelve proximal (once-burned) chaparral stands that exhibited varied recoveries, I found that high CWD in immediate-postfire and several prefire wet seasons explained ~42 percent of recovery variation. The results of this work suggest that drought effects on resprouting vigor or fire intensity are limiting factors of postfire chaparral recovery in southern California. This dissertation represents the most temporally- and spatially-extensive assessment of postfire chaparral recovery yet conducted, providing insights (regarding the importance of drought versus frequent fire in recovery) which may help to inform land management and conservation efforts in the region. This work has also advanced the technical application of time-sequential satellite imagery and spatial analysis in the study of ecological change, and may segue to greater advancements in vegetation monitoring and ecological theory.
Book Synopsis Fire Effects on Soils and Restoration Strategies by : A Cerda
Download or read book Fire Effects on Soils and Restoration Strategies written by A Cerda and published by CRC Press. This book was released on 2009-01-05 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been published a decade after Fires Effects on Ecosystems by DeBano, Neary, and Folliott (1998), and builds on their foundation to update knowledge on natural post-fire processes and describe the use and effectiveness of various restoration strategies that may be applied when human intervention is warranted. The chapters in this book,
Download or read book Wildland Fire in Ecosystems written by and published by Forest Service. This book was released on 2008 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This state-of-knowledge review of information on relationships between wildland fire and nonnative invasive plants can assist fire managers and other land managers concerned with prevention, detection, and eradication or control of nonnative invasive plants. The 16 chapters in this volume synthesize ecological and botanical principles regarding relationships between wildland fire and nonnative invasive plants, identify the nonnative invasive species currently of greatest concern in major bioregions of the United States, and describe emerging fire-invasive issues in each bioregion and throughout the nation. This volume can help increase understanding of plant invasions and fire and can be used in fire management and ecosystem-based management planning. The volume's first part summarizes fundamental concepts regarding fire effects on invasions by nonnative plants, effects of plant invasions on fuels and fire regimes, and use of fire to control plant invasions. The second part identifies the nonnative invasive species of greatest concern and synthesizes information on the three topics covered in part one for nonnative invasives in seven major bioregions of the United States: Northeast, Southeast, Central, Interior West, Southwest Coastal, Northwest Coastal (including Alaska), and Hawaiian Islands. The third part analyzes knowledge gaps regarding fire and nonnative invasive plants, synthesizes information on management questions (nonfire fuel treatments, postfire rehabilitation, and postfire monitoring), summarizes key concepts described throughout the volume, and discusses urgent management issues and research questions.
Book Synopsis The Landscape Ecology of Fire by : Donald McKenzie
Download or read book The Landscape Ecology of Fire written by Donald McKenzie and published by Springer Science & Business Media. This book was released on 2011-01-04 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global warming is expected to change fire regimes, likely increasing the severity and extent of wildfires in many ecosystems around the world. What will be the landscape-scale effects of these altered fire regimes? Within what theoretical contexts can we accurately assess these effects? We explore the possible effects of altered fire regimes on landscape patch dynamics, dominant species (tree, shrub, or herbaceous) and succession, sensitive and invasive plant and animal species and communities, and ecosystem function. Ultimately, we must consider the human dimension: what are the policy and management implications of increased fire disturbance, and what are the implications for human communities?
