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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This Research Topic commemorates the centenary of the first quantitative pollen diagram by Lennart von Post, the founder of paleoecological palynology. The main aim is to provide a thorough view of the use of palynology in aspects such as the reconstruction of Quaternary vegetation and environmental changes, the role of natural and anthropogenic drivers in the development of the Quaternary vegetation, the shaping of present-day ecological and biogeographical patterns, the potential application of this knowledge in biodiversity conservation and landscape restoration and the development of new methods of pollen analysis and data management. The Research Topic is subdivided into four main conceptual parts, namely (1) modern analog studies; (2) land cover estimates from pollen data; (3) vegetation dynamics reconstructions from Europe, North and South America, Africa and Oceania; and (4) large-scale reviews and meta-analyses. Hopefully, this Research Topic will serve to appraise the state of the art of modern palynology and highlight the usefulness of this discipline in long-term ecological research.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This Research Topic commemorates the centenary of the first quantitative pollen diagram by Lennart von Post, the founder of paleoecological palynology. The main aim is to provide a thorough view of the use of palynology in aspects such as the reconstruction of Quaternary vegetation and environmental changes, the role of natural and anthropogenic drivers in the development of the Quaternary vegetation, the shaping of present-day ecological and biogeographical patterns, the potential application of this knowledge in biodiversity conservation and landscape restoration and the development of new methods of pollen analysis and data management. The Research Topic is subdivided into four main conceptual parts, namely (1) modern analog studies; (2) land cover estimates from pollen data; (3) vegetation dynamics reconstructions from Europe, North and South America, Africa and Oceania; and (4) large-scale reviews and meta-analyses. Hopefully, this Research Topic will serve to appraise the state of the art of modern palynology and highlight the usefulness of this discipline in long-term ecological research.
Author: Valentí Rull Publisher: Frontiers Media SA ISBN: 2889456870 Category : Languages : en Pages : 288
Book Description
This Research Topic commemorates the centenary of the first quantitative pollen diagram by Lennart von Post, the founder of paleoecological palynology. The main aim is to provide a thorough view of the use of palynology in aspects such as the reconstruction of Quaternary vegetation and environmental changes, the role of natural and anthropogenic drivers in the development of the Quaternary vegetation, the shaping of present-day ecological and biogeographical patterns, the potential application of this knowledge in biodiversity conservation and landscape restoration and the development of new methods of pollen analysis and data management. The Research Topic is subdivided into four main conceptual parts, namely (1) modern analog studies; (2) land cover estimates from pollen data; (3) vegetation dynamics reconstructions from Europe, North and South America, Africa and Oceania; and (4) large-scale reviews and meta-analyses. Hopefully, this Research Topic will serve to appraise the state of the art of modern palynology and highlight the usefulness of this discipline in long-term ecological research.
Author: B. Huntley Publisher: Springer Science & Business Media ISBN: 940093081X Category : Science Languages : en Pages : 808
Book Description
The analysis of vegetation history is one of the prime objectives for vegetation scientists. In order to understand the recent composition of local floras and plant communities a second knowledge of species com position during recent millenia is essential. With the present concern over climate changes, due to human activities, an understanding of past vegeta tion distribution becomes even more important, since the correlation between climate and vegetation can often be used to predict possible impacts to crops and forests. I was very fortunate to receive the help of Drs. Webb and Huntley to compile this volume on vegetation history. They have collated an impres sive set of papers which together give an account of the vegetation history of most of the continents during the late-Tertiary and Quaternery periods. There are, however, gaps in the coverage achieved, most notably Africa, and Asia apart from Japan. The information in this book will nonetheless certainly be used widely by vegetation scientists for the regions covered in the book and much of it has relevance to the areas not explicitly described. The authors of the individual chapters have done their best to cover recent topics of interest as well as established facts. It is intended that a separate volume will be produced in the near future covering the vegetation history of Africa and Asia. I thank the editors of It fits well into the this volume for their commendable achievement.
Author: Jürgen Runge Publisher: CRC Press ISBN: 1000431150 Category : Science Languages : en Pages : 412
Book Description
This book celebrates the relaunch of the African Pollen Database, presents state-of-the-art of modern and ancient pollen data from sub-Saharan Africa, and promotes Open Access science. Pollen grains are powerful tools for the study of past vegetation dynamics because they preserve well within sedimentary deposits and have a huge diversity in ornamentation that allows different taxa to be determined. The reconstruction of past vegetation from the examination of ancient pollen records thus can be used to characterize the nature of past landscapes (e.g. abundance of forests vs. grasslands), provide insights into changes in biodiversity, and gain empirical evidence of vegetation response to climatic change and human activity. In this, the 35th Volume of "Palaeoecology of Africa", we bring together new data and extensive synthetic reviews to provide novel insights into the relationships between human evolution, human activity, climate change and vegetation dynamics during the Quaternary, the last 2.6 million years. Current and ongoing climate and land-use change is exerting pressure on modern vegetation formations and threatening the livelihoods and wellbeing of many peoples in Africa. In this book the focus is on the Quaternary because it is during this geological period that the modern vegetation formations developed into their current configurations against a backdrop of high magnitude global climate change (glacial-interglacial cycles), human evolution, and a growing human land-use footprint. In this book the latest information is presented and collated from around the African continent to parameterize past vegetation states, identify the drivers of vegetation change, and assess the vegetation resilience to change. To achieve this research from two broad themes are covered: (i) the present is the key to the past (i.e. studies which improve our understanding of modern environments so that we can better interpret evidence from the past), and (ii) the past is the key to the future (i.e. studies which unlock information on how and why vegetation changed in the past so one can better anticipate trajectories of future change). This Open Access book will provide a strong foundation for future research exploring past ecological, environmental and climatic change within Africa and the surrounding islands. The book is organized regionally (covering western, eastern, central, and southern Africa) and it contains specialized articles focused on particular topics (such as modern pollen-vegetation relationships and fire as a driver of vegetation change), as well as regional and pan-African syntheses drawing together decades of research to assess key scientific questions (including the role of climate in driving vegetation change and the role of vegetation change in human evolution). These articles will be useful to students and teachers from high school to the highest level of university who are interested in the origins and dynamics of vegetation in Africa. Furthermore, it is also meant to provide societally relevant information that can act as an inspiration for the development of sustainable management practices for the future.
Author: Marleen Vermoere Publisher: Brepols Publishers ISBN: Category : History Languages : en Pages : 376
Book Description
This study presents a broad picture of the vegetation history in the territory of Sagalassos during the Holocene based on pollen-analysis of cores taken from various Quaternary deposits in the area. The fossil pollen data are interpreted by using modern reference pollen data, obtained from the current vegetation types. In addition, the pollen sequences are compared with pollen data from various other parts of Southwest Turkey, so that they are discussed within a much wider regional pattern of vegetation history. This research has allowed the identification of several major vegetation changes, which are confronted with archaeological evidence and with the settlement history of the district. The first arrival of farmers during the Chalcolithic in the valley below the city is reflected by a massive clearance of oak forest. The development of urban sites during the Archaic and Classical period is shown by a second deforestation phase, followed by a major cultivation phase from early Hellenistic to early Byzantine times. During this period olive culture was introduced in the area, whereas deciduous oak woodlands and extensive needle-leaved forests again were major components of the vegetation cover. The economic value of these types of vegetation for the city is discussed. Instability caused by the plague and political unrest, a major earthquake and the first Arab raids in the area, seems to have resulted in an economy with a greater emphasis on pastoralism and a neglect of olive yards and forests after the 7th century. From the Byzantine period onwards, this gradually resulted in a degraded landscape.
Author: Linda C. K. Shane Publisher: ISBN: Category : Fossils Languages : en Pages : 44
Book Description
The purpose of the original proposal was to use pollen analysis of sediment cores to provide information on two major questions: 1) What is the regional vegetation and climate history of northeastern Ohio? 2) Have the modern plant taxa in Portage County interpreted as relicts (eg. Myrica pennsylvanica, Larix laricina, Tsuga canadensis) been present at these sites since shortly after the retreat of the glacial ice over 13,000 BP (before present) or is their presence the result of a more recent expansion sometime in the last 4000+ years?
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Author: Valentí Rull
Author: B. Huntley
Author: William F. Harris
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Author: Brigitta Ammann
Author: Jürgen Runge
Author: Siim Veski
Author: Marleen Vermoere
Author: Linda C. K. Shane