Global Climate Change and Tropical Ecosystems (Advances in Soil Science)

Global Climate Change and Tropical Ecosystems (Advances in Soil Science) Review

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Global Climate Change and Tropical Ecosystems (Advances in Soil Science) Feature

Tropical ecosystems - the regions between the tropics of Cancer and Capricorn - play an important role in global processes, economic issues, and political concerns. In their natural state, tropical ecosystems support a large quantity of above- and below-ground biomass, and constitute a major part of the terrestrial carbon pool. Conversion of the natural ecosystem to agriculture and forestry ecosystems disturbs this ecological balance.
Global Climate Change and Tropical Ecosystems presents data on carbon pool fluxes from case studies in 12 countries in tropical regions. The chapters cover:

Characteristics of tropical ecosystems

Soil and biotic carbon pools

Impacts of land use and soil management

Slash-and-burn practices

Crop residue and fertility management
This volume adds to the understanding of pedospheric processes in tropical ecosystems and how to better use soils as a sink for carbon dioxide and other greenhouse gases. With Global Climate Change and Tropical Ecosystems you will understand the link between soil productivity, environmental quality and the global carbon cycle, not only in these ecologically sensitive regions but worldwide.

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Of Change and Software

Of Change and Software Review

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Of Change and Software Feature

Software changes. Any long-lived software system has maintenance costs dominating its initial development costs as it is adapted to new or changing requirements. Systems on which such continuous changes are performed inevitably decay, making maintenance harder. This problem is not new: The software evolution research community has been tackling it for more than two decades. However, most approaches have been targeting specific maintenance activities using an ad-hoc model of software evolution. Instead of only addressing individual maintenance activities, we propose to take a step back and address the software evolution problem at its root by treating change as a ?rst-class entity. We apply the strategy of rei?cation, used with success in other branches of software engineering, to the changes software systems experience. Our thesis is that a rei?ed change-based representation of software enables better evolution support for both reverse and forward engineering activities.

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Managing Software Debt: Building for Inevitable Change (Agile Software Development Series)

Managing Software Debt: Building for Inevitable Change (Agile Software Development Series) Review

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Managing Software Debt: Building for Inevitable Change (Agile Software Development Series) Feature

Shipping imperfect software is like going into debt. When you incur debt, the illusion of doing things faster can lead to exponential growth in the cost of maintaining software. Software debt takes five major forms: technical, quality, configuration management, design, and platform experience. In today’s rush to market, software debt is inevitable. And that’s okay—if you’re careful about the debt you incur, and if you quickly pay it back.

 

In Managing Software Debt, leading Agile expert Chris Sterling shows how understanding software debt can help you move products to market faster, with a realistic plan for refactoring them based on experience. Writing for all Agile software professionals, Sterling explains why you’re going into software debt whether you know it or not—and why the interest on that debt can bring projects to a standstill. Next, he thoroughly explains each form of software debt, showing how to plan for it intelligently and repay it successfully. You’ll learn why accepting software debt is not the same as deliberate sloppiness, and you’ll learn how to use the software debt concept to systematically improve architectural agility. Coverage includes

 

• Managing tensions between speed and perfection and recognizing that you’ll inevitably ship some “not quite right” code
• Planning to minimize interest payments by paying debts quickly
• Building architectures that respond to change and help enterprises run more smoothly
• Incorporating emergent architecture concepts into daily activities, using Agile collaboration and refactoring techniques
• Delivering code and other software internals that reduce the friction of future change
• Using early, automated testing to move past the “break/fix” mentality
• Scripting and streamlining both deployment and rollback
• Implementing team configuration patterns and knowledge sharing approaches that make software debt easier to repay
• Clearing away technical impediments in existing architectures
• Using the YAGNI (“you ain’t gonna need it”) approach to strip away unnecessary complexity

 

Using this book’s techniques, senior software leadership can deliver more business value; managers can organize and support development teams more effectively; and teams and team members can improve their performance throughout the development lifecycle.

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Software Change Impact Analysis (Practitioners)

Software Change Impact Analysis (Practitioners) Review

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Software Change Impact Analysis (Practitioners) Feature

As software systems become increasingly large and complex, the need increases to predict and control the effects of software changes. This book captures the latest information on the science and art of determining what software parts affect each other. It is a handy one-volume source of useful information about software change impact analysis techniques and technical results. The book frames the field, focuses attention, and tempers expectations.

The book provides a battery of ideas for doing impact analysis better. The reader will gain a healthy respect for the strengths and limitations of impact analysis technology and a solid background that will provide valuable for years to come. The book identifies key impact analysis definitions and themes and illustrates those themes through a collection of representative papers. It includes reports on software source code dependency analysis and software traceability analysis and proposes how results from both areas can more effectively support impact analysis in software engineering repositories. It also describes why impact representation and determination techniques are at the heart of both source dependency analysis and traceability analysis. The papers provide fundamental information of enduring value and were selected by how well they illustrate the important themes and how well they equip the reader with a solid understanding for tackling impact analysis problems.

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