A comprehensive assessment of the effects of climate change on global grasslands and the mitigating role that ecologists can play.

This book begins with a brief account of the extraordinary sequence of events that led to emergence of grasslands as major vegetation formations that now occupy some of the driest and hottest and the highest and coldest on earth as well as vast steppes and prairies in more temperate climes. It is the story of grasses successfully competing with forests and woodlands, aided and abetted by grazing herbivores and by humans and their use of fire as a tool. It is a story of adaptation to changing climates and the changing biophysical environments. A major focus of the book is the Palaearctic biogeographic realm that extends over some 45 million km2 and thus more than 1/3 of the terrestrial ice-free surface on Earth. It comprises extensive grasslands of different types and origin, which can be subdivided into (1) natural grasslands with (1a) steppes (climatogenic in dry climates), (1b) arctic-alpine grasslands (climatogenic in cold climates) and (1c) azonal and extrazonal grasslands (pedogenic and topogenic) as well as (2) secondary grasslands created and sustained by human activities, such as livestock grazing, mowing or burning. Grasslands of the Palaearctic do not only form a major basis for the agriculture of the region and thus its food supply, but are also crucial for other ecosystem services and host a supra proportional part of the realm’s plant and animal diversity. To reflect that suitability of grasslands for biodiversity strongly depends on their state, we apply the term High Nature Value grassland to those natural grasslands that are not degraded (in good state) and those secondary grasslands that are not intensified (semi-natural). The situation in a variety of countries where grasslands are evolving under the influence of global climate change is also considered. Case studies are presented on Southern Africa, Eastern Africa, India, China, South America, North America and Australia. The concluding chapter examines a set of themes arising from the chapters that make up the bulk of this book. The following provide a focus: recent history of grassland biomes – brief recap of current thinking and recent trends with special reference to dry grasslands in the Palearctic regions; the current status of grasslands and germplasm resources (biodiversity) – an overview; management systems that ensure sustainability; how to recover degraded grasslands; socio-economic issues and considerations in grassland management; the impacts of environmental problems in grasslands such as future climate change and intensification and the problems/prospects facing pastoralists and other grassland-based livestock producers.

Over the years, the scope of our scientific understanding and technical skills in ecology and environmental science have widened significantly, with increasingly greater emphasis on societal issues. In this book, an attempt has been made to give basic concepts of ecology, environmental science and various aspects of natural resource conservation. The topics covered primarily deal with environmental factors affecting organisms, adaptations, biogeography, ecology of species populations and species interactions, biotic communities and ecosystems, environmental pollution, stresses caused by toxics, global environmental change, exotic species invasion, conservation of biodiversity, ecological restoration, impact assessment, application of remote sensing and geographical information system for analysis and management of natural resources, and approaches of ecological economics. The main issues have been discussed within the framework of sustainability, considering humans as part of ecosystems, and recognising that sustainable development requires integration of ecology with social sciences for policy formulation and implementation.

Welcome to the edited volume Grasslands - Conservation and Development, a unique and interesting exploration unveiling the delicate interplay of conservation and development of grasslands, which are the Earth’s most strategic ecosystem. The inspiration behind compiling this edited volume lies in the recognition that grasslands are beyond open fields on the Earth’s surface, encompassing intricate systems that bridge the functions of human societies and natural ecosystems. From the iconic and diverse prairies of North America to the vast savannas of Africa to the diversified steppes of Eurasia, grasslands tend to be shaped by both human endeavor and the forces of nature. This book presents research works about imparting resilience to grasslands through effective conservation and novel development initiatives. This edited volume showcases the efficacy and dynamic feasibilities that emerge when grassland conservation and development strategies work hand in hand for the greater benefit of ecosystems, grass species, and human beings. This book is not just an exploration but it is also a call to action. After examining the challenges and eco-biologically viable strategies documented in this book, each and every person must consider their role in the journey towards embracing grassland conservation and development. This book is an invitation to all stakeholders, including researchers, environmentalists, policymakers, students, and ranchers, who have a passion for shaping the sustainable conservation, restoration, and development of grasslands.

Among global environmental issues, climate change has received the largest attention of national and global policy makers, researchers, industry, multilateral banks and NGOs. Climate change is one of the most important global environmental problems with unique characteristics. It is global, long-term (up to several centuries) and involves complex interactions between climatic, environmental, economic, political, institutional and technological pressures. It is of great significance to developing countries as all the available knowledge suggests that they, and particularly their poorer inhabitants, are highly vulnerable to climate impacts. The projected warming of 1. 4 to 5. 8° C by 2100 and the related changes in rainfall pattern, rise in sea-level and increased frequency of extreme events (such as drought, hurricanes and storms) are likely to threaten food security, increase fresh water scarcity, lead to decline in biodiversity, increase occurrence of vector-borne diseases, cause flooding of coastal settlements, etc. Recognizing the potential threat of severe disruptions, the United Nations Conference on Environment and Development was organized in 1992 in Rio de Janeiro, Brazil to begin to address ways to reduce these impacts, which led to the formulation of the UN Framework Convention on Climate Change. This Convention and the subsequent Kyoto Protocol recognize “the common but differentiated responsibility” of developing and industrialized countries in addressing climate change. Developing countries thus have a unique role to play in formulating a sound, reasoned, and well informed response to the threat of climate change.