Essay on Biotic Community: Top 6 Essays | Ecology

The wide variety of shapes is determined by the cell wall and cytoskeleton composition, it is important as it can influence the bacteria’s ability to acquire nutrients, motility and attach to surfaces forming biofilms.

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Biotic and Abiotic Influences on the Ecosystem - Life Essay Example

When the sorbate adheres to a 2 dimensional surface the process is called adsorption and occurs onto the surface of minerals through van der Waals, dipole-dipole interactions, and electrostatic charges (Hemond and Fechner-Levy, 2000).

Essay about Girl: Water and Abiotic Factors; ..

Argues that literary studies must engage with the environmental crisis rather than remaining unresponsive. This essay advocates for revaluing a nature-focused literature away from an “ego-consciousness” to an “eco-consciousness” (p. 232). Originally published in 1990. See also Love’s Practical Ecocriticism: Literature, Biology, and the Environment (Charlottesville: University of Virginia Press, 2003).

In biochemical term, Standbury (1984) defined fermentation as the catabolism process of organic compound which generate energy.
Interactions of extracellular signals with intrinsic cellular factors trigger the biochemical events of cell proliferation....

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Natural regeneration is a complex process affected by many biotic and abiotic factors. It was observed that in spruce monocultures with occasional presence of single adult beech trees, abundant regeneration of beech is expected to occur up to a distance of approx. 25 m from seed trees (). Similar distances from seed trees were also reported by other studies (, , , , ). Beech regeneration, however, may occasionally occur at much greater distances (up to 100 m and possibly farther) from the seed tree (, ). Indeed, Irmscher () reported beech regeneration as far as 254 m from seed trees. All these observations clearly demonstrate the key role of animals in the dispersion of beech seeds, as already described by other studies (, , , ). From the silvicultural point of view, Dobrovolný & Tesar () consider the threshold of 20 m as the maximum distance between seed trees in order to achieve an adequate density of beech saplings (, a minimum of 10 000 saplings ha-1), which is also the standard prescribed by the Czech thinning guideline (). Thus, approximately 2-3 seed trees ha-1 in a spruce stand may provide for up to 30% share of beech regeneration in the subsequent stand generation. Nevertheless, the minimum management objective can be achieved even with a lower density of beech saplings, from which new seed trees will originate.

Genetic studies have demonstrated that both biological and environmental factors are important to the development of OCD.

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The impact of stress on these physiological factors is thought to be particularly important in the pathophysiology of IBS, and will be discussed in more detail later on....

This fermentation process has been used in a lot of fields, such as food preservation, biomass, enzyme production, waste management, antibiotics etc.

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Ecocriticism began as a unique way for academics to combine activism, personal lifestyle, and academic criticism into one holistic form of critical theory and practice. One of the pieces missing in this list has been personal reflection; objective and intellectual distance has dominated the field, except for writings about ecofeminism and race. Slightly different from the work of environmental creative nonfiction writers such as Wendell Berry, Barry Lopez, Terry Tempest Williams, and Kathleen Deane Moore, this section catalogues work in the slowly growing field of narrative critical scholarship, merging experience, reflection, and criticism. (first published 1985), a forerunner of this genre and of ecocriticism, underscores the influence of place in our own ecological perspectives and professional practice by exploring nature poetry as a guide and instructor. reflects on the practice of teaching, writing, and the politics of working as an ecocritic for the past twenty years. This section also includes scholarship about narrative/story used in writings about the environment. is a collection that examines environmental consciousness as an experience and tradition through forms of narrative. investigates narrative form focused on autobiographical environmental literature. explores the work of writers in the American Revolutionary era that used pastoral images and story as early forms of frontier narratives.