Defining ecology

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  • Ecology studies interactions among organisms and between organisms and their environment in nature and is also concerned with the effects that organisms have on the inanimate environment. It is concerned with not only what kind of air a species must have but also what effect that species has on the air. This book is not an elementary ecology textbook. A textbook would be longer and more didactic.

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  • Microbes produce an extraordinary array of microbial defense systems. These include broad-spectrum classical antibiotics, metabolic byproducts, such as the lactic acids produced by lactobacilli, lytic agents such as lysozymes, numerous types of protein exotoxins, and bacteriocins, which are loosely defined as biologically active protein moieties with a bacteriocidal mode of action.

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  • From before the time Raven stole the sun and shed light on the world below, the Gitxaal / a people have lived in their territories along the north coast of British Columbia. Gitxaal / a laws (Ayaawk) and history (Adaawk) describe in precise detail the relationships of trust, honor, and respect that are appro- priate for the well-being and continuance of the people and, as important- ly, define the rights of ownership over land, sea, and resources within the territory.

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  • The Fuzzy Set Theory developed by L. Zadeh (Zadeh 1965) as a possible way to handle uncertainty is particularly useful for the representation of vague expert knowledge and processing uncertain or imprecise information. The Fuzzy Set Theory is based on an extension of the classical meaning of the term "set" and formulates specific logical and arithmetical operations for processing information defined in the form of fuzzy sets and fuzzy rules.

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  • Define ecological biochemistry. • Explain biochemical adaptation and the roles of secondary compounds. • Describe detoxification and the primary metabolic pathways in plants and animals. • Explain the key processes and factors involved in biotransformation & biodegradation. • Explain the concepts of sequestration, bioaccumulation, and biomagnification. • Contrast different forms of ecological biochemical interaction.

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  • Ergonomics, also known as Human Factors, is a recent scientific discipline, curiously with a well‐defined and official date and place of birth, July 12, 1949, in England. However the term Ergonomics, was proposed in 1857, by the Polish philosopher and naturalist Wojciech Jastrzebowski and fell into oblivion for nearly a century. The word Ergonomics results from joining the Greek words ergon meaning ʺworkʺ and nomos meaning ʺnatural lawsʺ, and conveys the concern of understanding the relationships between humans and their work environment....

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  • The long-term approach to achieving protection is “ecological separation.” A true ecological separation is defined as no inter-basin transfer of aquatic organisms via the Chicago Waterway System at any time – 100% effectiveness. Ecological separation prohibits the movement or interbasin transfer of aquatic organisms between the Mississippi and Great Lakes basins via the CWS. Once established, the impacts of invasive species on ecosystem health are permanent and irreversible.

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  • This book offers an interdisciplinary view of the biophysical issues related to climate change. Climate change is a phenomenon by which the long-term averages of weather events (i.e. temperature, precipitation, wind speed, etc.) that define the climate of a region are not constant but change over time. There have been a series of past periods of climatic change, registered in historical or paleoecological records.

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  • As we were at pains to point out in the companion volume to this monograph, entitled Complexity in Chemistry: Introduction and Fundamentals, complexity is to be encountered just about everywhere. All that is needed for us to see it is a suitably trained eye and it then appears almost magically in all manner of guises. Because of its ubiquity, complexity has been and currently still is being defined in a number of different ways. Some of these definitions have led us to major and powerful new insights.

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  • Justice is no mere abstraction. Finding justice and doing justice is a continuous human task. It is the activity which in any society gives politics and the law their purpose. The activity has both a material and a discursive dimension. It has to do with what we are, what we do and what we say. What we are and do is materially real. How we relate to others is discursively real, a matter of communicated explanations via words. The struggle for justice is about how we explain the basis of a good and proper relationship between ourselves and others.

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  • Chapter 53 - Population ecology. In this chapter, you should now be able to: Define and distinguish between the following sets of terms: density and dispersion; clumped dispersion, uniform dispersion, and random dispersion; life table and reproductive table; Type I, Type II, and Type III survivorship curves; semelparity and iteroparity; r-selected populations and K-selected populations. This chapter also explain how ecologists may estimate the density of a species, explain how limited resources and trade-offs may affect life histories,...

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  • Chapter 56 - Conservation biology and restoration ecology. This chapter distinguish between conservation biology and restoration biology, list the three major threats to biodiversity and give an example of each, define and compare the small-population approach and the declining-population approach, distinguish between the total population size and the effective population size,...

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  • CHAPTER 1: BASIC UNITS OF ECOLOGY After studying this chapter, you should be able to: 1. Define environment. 2. Define an ecosystem. 3. Identify the components of the biosphere. 4. Describe the living and nonliving components of the environment. 5. Explain that bacteria and fungi are agents of decay. 6. Discuss the process of photosynthesis. 7. Enumerate the important factors that affect the growth of plants and the survival of animals.

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  • R race n. [F. race; member of the same stock or lineage] A population or aggregate of populations inhabiting a defined geographical and/or ecological region possessing characteristic phenotypic and gene frequencies or features

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  • Spatial analysis by way of weighted overlay was used to determine possible locations where the Boran cattle may strive. By considering elevation and annual rainfall data within the Dry Kolla agro-ecological zone of Ethiopia, one could extract a refined suitability map for the Boran. Within the Dry Kolla ‘mask’, one would extract the two variables or layers (elevation and rainfall) and conduct a simple statistical description by which the means and standard deviations are determined.

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  • In 2005, the Royal College of Physicians (RCP), UK, defined well-being as ‘a holistic notion of achieving a state of health, comfort and happiness’ (RCP, 2005). Other societies have however for a very long time throughout the history of Western society addressed the holistic aspects of health and the concept of ‘feeling’ or of ‘being well’.

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  • This chapter provides knowledge of development in families. In this chapter, the following content will be discussed: Defining families, the influential ecology of the family, discourses of family, family as committed relationship,...and other contents.

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  • Chapter 10 - Ecology and sustainable development in global business. In this chapter, you learned to: Understanding how business and society interact within the natural environment; defining sustainable development; assessing the major threats to the earth’s ecosystem; recognizing the ways in which population growth, inequality, and economic development interact with the world’s ecological crisis;...

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  • The aim of this study was to define the morphological characteristics of the genus Paris in Vietnam. Morphological description, dichotomous key for identification, ecology and distributions of the genus in Vietnam are reported. The results show that this genus in Vietnam comprises 8 species and 2 varieties, possesing unilocular ovary with parietal placenta.

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