Mailis Zirk
2011
BIOGEOGRAPHY
P. Ganderton and P Coker
ENVIRONMENTAL BIOGEOGRAPHY
England 2005
Question of the day
Which three
fundamental processes
does biogeography deal with?
Current and historical patterns
of
plants and animals
observation and detection
small and large scale patterns
from agriculture to reclamation
Deals with:
Evolution - result of an irreversible genetic change in an individual or population
Dispersal - organisms move out from their origins
50 punkti
Autor soovib selle materjali allalaadimise eest saada 50 punkti.
~ 11 lehte
Lehekülgede arv dokumendis
2012-02-27
Kuupäev, millal dokument üles laeti
8 laadimist
Kokku alla laetud
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metalqueen
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Bibliography Ascher, J., Sartori, G., Graefe, U., Thornton, B., Ceccherini, M. T., Pietramellara, G., & Egli, M. (2012). Are humus forms, mesofauna and microflora in subalpine forest soils sensitive to thermal conditions? Biology and Fertility of Soils, 48(6), 709725. doi:10.1007/s00374-012-0670-9 Barabasz, W., Albiska, D., Jakowska, M., Lipiec, J., 2002 - Biological effects of mineral nitrogen fertilization on soil microorganisms, Polish Journal of Environmental Studies, vol. 11, No. 3, p. 193-198. Canbolat, M. Y., Bilen, S., Çakmakçý, R., Þahin, F., & Aydýn, A. (2005). Effect of plant growth-promoting bacteria and soil compaction on barley seedling growth, nutrient uptake, soil properties and rhizosphere microflora. Biology and Fertility of Soils, 42(4), 350357. doi:10.1007/s00374-005-0034-9 Halász, J. L., Kotroczo, Z., Krausz, E., Tóth, M. D., & Balázsy, S. (2011). EFFECT OF
places 2 (iii) support, figure lower than 5.991 / figure lower than critical value; R ‘support’ on its own. ecf applies if value in (ii) is incorrect 1 [16] 2. named characteristic; named environmental factor; (mark first answer only) 2 [2] 3. 1 ref to operon; 2 normally repressor substance bound to operator; 3 prevents RNA polymerase binding (at promoter) / prevents transcription; 4 lactose binds to repressor; 5 changes shape of protein molecule; 6 unable to bind (to operator);
ENVIRONMENTAL PROBLEMS Our environment is constantly changing. However, as our environment changes, so does the need to become increasingly aware of the problems that surround it. With a massive influx of natural disasters people need to be aware of what types of environmental problems our planet is facing. Current environmental problems make us vulnerable to disasters and tragedies, now and in the future. Unless we address the various issues seriously we are surely doomed for disaster. Current environmental problems require urgent attention. 1. Pollution: Pollution of air, water and soil require millions of years to recoup. Industry and motor vehicle exhaust are the number one pollutants. Heavy metals, nitrates and plastic are toxins responsible for pollution
from lignotubers and broken stumps. A population of woody plants equal to half or more of the original number often remains following pulling of eucalypt communities, even if all the trees over 5 metres are uprooted completely. Exotic plant species A number of exotic plants species have been introduced to the savannas around the world. Amongst the woody plant species are serious environmental weeds such as Prickly Acacia (Acacia nilotica), Rubbervine (Cryptostegia grandiflora), Mesquite (Prosopis spp.), Lantana (Lantana camara and L. montevidensis) and Prickly Pear (Opuntia spp.) A range of herbaceous species have also been introduced to these woodlands,
INTRODUCTION OF SUPPLY CHAIN MANAGEMENT (SCM) A supply chain is a network of facilities and distribution options that performs the functions of procurement of materials, transformation of these materials into intermediate and finished products, and the distribution of these finished products to customers. Supply chains exist in both service and manufacturing organizations, although the complexity of the chain may vary greatly from industry to industry and firm to firm. Supply chain management is typically viewed to lie between fully vertically integrated firms, where the entire material flow is owned by a single firm and those where each channel member operates independently. Therefore coordination between the various players in the chain is key in its effective management. Cooper and Ellram [1993] compare supply chain management to a well-balanced and well-practiced relay team. Such a team is more competitive when each player knows how to
Environmental problems Nimi Klass Biodiversity The variety of life on Earth, its biological diversity, is commonly referred to as biodiversity. The number of species of plants, animals, and microorganisms, the enormous diversity of genes in these species, the different ecosystems on the planet, such as deserts, rainforests and coral reefs are all part of a biologically diverse Earth. Appropriate conservation and sustainable development strategies attempt to recognize this as being integral to any approach. In some way or form, almost all cultures have recognized the importance of nature and its biological diversity for their societies and have therefore understood the need to maintain it. Yet, power, greed and politics have affected the precarious balance. Why Is Biodiversity Important? Who Cares? · Why is Biodiversity important? Does it really matter if there aren't so many species? · Biodiversity boosts ecosyst
while others fail. How can we predict success or failure, and compensate the at-risk children? Few practical options may be available to teachers. It is inevitable in universal public schooling that the extreme students, either dull or bright, will be hurt by our emphasis on the average. It is horrible to admit, but our society cannot assume that all members are capable of being well educated. We have unequal physical, mental and environmental status, and the poorer fringe will always exist. Those of us lucky enough to have a conscience, mature enough to see how things really are, must do what we can to help the less fortunate. Obligation to help. How can a rich person help a poor one? By giving some money? Well, can smart, or educated people give education to those needing it? Sometimes just taking the time to discuss things with troubled people is a great favor and aid. I don't have much surplus
8. Summary………………………………………………………………………………….17 4 1. INTRODUCTION The Global Reporting Initiative (GRI) is a long-term, multi-stakeholder, international process whose mission is to develop and disseminate globally applicable Sustainability Reporting Guidelines. These Guidelines are for voluntary use by organisations for reporting on the economic, environmental, and social dimensions of their activities, products, and services. The aim of the Guidelines is to assist reporting organisations and their stakeholders in articulating and understanding contributions of the reporting organisations to sustainable development. Trends The key trends during the last two years are: Expanding globalization – Expansion of global capital markets and information technology continue to bring unprecedented opportunities for the creation of new wealth.
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