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The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policymakers with regular assessments of the scientific basis of human-induced climate change, its impacts and future risks, and options for adaptation and mitigation. This IPCC Special Report on Climate Change and Land (SRCCL) is the most comprehensive and up-to-date scientific assessment of the multiple interactions between climate change and land, assessing climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems. It assesses the options for governance and decision-making across multiple scales. It serves policymakers, decision makers, stakeholders, and all interested parties with unbiased, up-to-date, policy-relevant information. This title is also available as Open Access on Cambridge Core.
Carbon (C), Nitrogen (N) and Phosphorus (P) are three of the most important elements used to build living beings, and their uptake from the environment is consequently essential for all organisms. Photosynthesis is the process in which plants absorb atmospheric C as they grow and convert it to biomass. However, plants acquire N and P only when these are available in the soil solution, which makes these elements the most limiting nutrients in plant growth and productivity in most ecosystems. When plant residues and roots decompose, the C, N and P they contain is transformed primarily into soil organic matter (SOM) or C and N can release to the atmosphere. Recent interest on the global C, N and P cycles has focused attention on the different proportion of terrestrial C, N and P stored in different ecosystem pools. Cuatro Cienegas represents an exceptional place, since the plants are not the base of the food web, they are the microbial community, that recycle the elements essential for life. In this book we describe how this is an analog of early Earth.
Accompanying CD-ROM contains full text of book and appendixes. Cf. menu frames of CD-ROM.
The aim of this first book is to introduce the readers of the series to why Cuatro Ciénegas Basin (CCB) is so unique, starting with the reason why astrobiologists became interested in this oasis in the first place; namely, the high diversity and abundance of stromatolites and microbial mats in continental waters to be found in the desert oasis. As NASA has long since discovered, the basin may offer the best analog of early Earth. In essence, CCB is a time machine that can take us far back and forth in time. In the respective chapters, the contributing authors explain the extraordinary microbial diversity of Cuatro Ciénegas Basin from various perspectives. In order to do so, they explain their journey as well as the different tools used to unravel the basin’s mysteries, such as: Why are there so many species in a place without food? How has life there survived the enormity of tectonic shifts through the ages, maintaining its ancient marine heritage?
An exercise of interdisciplinarity at the crossroads of humans and the environment--this could be one definition of human ecology, as it is demonstrated within this book. Examples of different branches of human ecology are shown as feasible alternatives to understand the interactions of human culture and behaviour with the natural environment from all parts of the world. Current trends, ranging from climate change to ecological knowledge and environmental co-management are deeply exploited, using a diversified array of empirical case studies. Theoretical aspects are included and examined in every case, including the evolution of culture, values and webs of information within cultures. The ce...
Full text and summaries of conference papers.
Current Geographical Publications (CGP) is a non-profit service to the scholarly community initiated in 1938 by the American Geographical Society of New York. Beginning in 2006, the format changed to include the tables of contents of current geographical journals. The journal titles listed link to web pages or PDF scans of the current issue's contents.