The essential guide to creating your own underwater world. Sunken Gardens is packed with everything you need to plan, design, and maintain a planted freshwater aquarium. Karen Randall shares her years of expertise and makes this enchanting hobby accessible to everyone. You’ll learn everything from the biology of aquatic plants and basic aquarium chemistry to tank maintenance and troubleshooting. Plant profiles highlight the best options for a range of tank situations, and a chapter devoted to aquascaping styles provides basic design principles and inspiring examples. With hundreds of color photographs and clear, reliable advice, Sunken Gardens is an essential introduction to a fascinating pastime.
A detailed exploration of the variety of threats that endangered species are facing around the world, whether they are due to human impact or so-called natural causes. Endangered species is a more complex issue and problem than it may seem on the surface. What species are endangered, and what is causing them to become vulnerable to population decline? How can essential industries such as farming, housing development, and manufacturing continue to thrive without harming flora and fauna that are protected? Are current efforts adequate or should more be done to protect endangered species? And who should be responsible for the substantial costs of working to save endangered species? Endangered Species: A Reference Handbook begins with an introduction that addresses major threats and extinctions in history, discusses the geographical and cultural contexts in which these incidents happened, highlights other key moments along the endangered species timeline, and clearly shows why the topic of endangered species matters. The following sections examine an unbiased synthesis of classic and contemporary studies that inform the issue of endangered species and outline the most controversial events related to endangered species and the actions that have been taken to address them. The book also presents perspective essays by scholars, activists, and other experts to provide diverse informed opinions on the issue of endangered species and includes a data and documents chapter that applies research finding to provide answers to questions like what species are most likely to become endangered in the future and which practices have historically been the most effective at protecting vulnerable species.
General Circulation Models (GCMs) are rapidly assuming widespread use as powerful tools for predicting global events on time scales of months to decades, such as the onset of EL Nino, monsoons, soil moisture saturation indices, global warming estimates, and even snowfall predictions. While GCMs have been praised for helping to foretell the current El Nino and its impact on droughts in Indonesia, its full power is only now being recognized by international scientists and governments who seek to link GCMs to help them estimate fish harvests, risk of floods, landslides, and even forest fires.Scientists in oceanography, hydrology, meteorology, and climatology and civil, ocean, and geological engineers perceive a need for a reference on GCM design. In this compilation of information by an internationally recognized group of experts, Professor Randall brings together the knowledge base of the forerunners in theoretical and applied frontiers of GCM development. General Circulation Model Development focuses on the past, present, and future design of numerical methods for general circulation modeling, as well as the physical parameterizations required for their proper implementation. Additional chapters on climate simulation and other applications provide illustrative examples of state-of-the-art GCM design.Key Features* Foreword by Norman Phillips* Authoritative overviews of current issues and ideas on global circulation modeling by leading experts* Retrospective and forward-looking chapters by Akio Arakawa of UCLA* Historical perspectives on the early years of general circulation modeling* Indispensable reference for researchers and graduate students
In the early 1930s Soviet authorities launched a campaign to create "socialist" retailing and also endorsed Soviet consumerism. How did the Stalinist regime reconcile retailing and consumption with socialism? This book examines the discourses that the Stalinist regime's new approach to retailing and consumption engendered.
Having discovered a large spy network in Northern India operated by a Military contractor for the Fakir of Ipi, Britain and India's implacable enemy on the North West Frontier, 2nd Lieutenant Jeremy Slade, travels to the palace of the Maharajah of Kariodkhot where he falls in love with the Rajkumari, the beautiful Menaka, who becomes his greatest ally. Through her influence with her father, Slade leads a long range patrol into the dangerous territory beyond the North West frontier to locate and destroy the Fakir and with him the influence of Stalin's USSR.
The Performance Work Statement (PWS), which defines the requirements and shapes the outcome of the activity under contract, and the Quality Assurance Surveillance Plan (QASP), which is vital in identifying what is to be evaluated, become critical documents as the Air Force enters into more competitive sourcing contracts. Currently, contractors and Most Efficient Organizations (MEO) are evaluated by the QASP based upon the requirements found in the PWS. It is imperative the PWS and QASP documents have adequate performance metrics and that they are applied appropriately to evaluate the contractor or MEO. This research collected PWS and QASP documents from eight Civil Engineer Operations Flights across the Air Force that have completed or are undergoing competitive sourcing. 161 performance standards and metrics were identified and an evaluation was conducted on them to determine if the standards and metrics were sufficient to evaluate the contractor or MEO. The two-part evaluation system was developed from metric design literature and features from both Total Quality Management and the Government Performance Results Act. The evaluation system was also applied to Air Force Civil Engineer Support Agency metrics and templates. The results indicate critical areas of Civil Engineer Operations Flight are not sufficiently evaluated due to insufficient and improperly designed standards and metrics. As a result of this research, 19 metrics were developed for evaluating the Operations Flight along with an evaluation system that can be used to assess the design of metrics currently used by any organization.
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