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Thesis: Polar ecosystem modeling with respect to ..

Assessemment of threats to the Arctic marine ecosystem ..

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Biodiversity of Arctic marine ecosystems and responses …

This paper will explore the basic principles of global warming and its affects on the polar ice caps, but will focus on greater detail how this may destroy the lives of one particular animal species, the polar bear.

ecological statistician and is now a Research Scientist (Ecosystem ..

However, her study suggests that animals like penguins and polar bears that are dependent on sea ice are facing significant threats from global warming, and their habitats are being destroyed.

Biomes and Ecozones - A Research Guide for Students

2 Flux, Soil Organic Matter, and Microbial Biomass from Different High Arctic Ecosystem Types in Northwestern GreenlandÓ, M.H.

He managed research teams in chemical oceanography and biogeochemistry. He became a marine biogeochemist, expert in nutrient cycles in various marine ecosystems, with a focus on the silica cycle and on the Southern Ocean since the 1980s. He has been member or chair of numerous scientific committees at national and international level.

Paul Wassmann is professor in environmental biology at the Institute of Arctic and Marine Biology, University of Tromsø – Norways Arctic University. Born and grown up in Germany he studied chemistry, bilogy, geophysics and psychology at the University of Bergen in Norway. His special interest is in Arctic marine system ecology, C flux in marine ecosystems and physical-biological coupled models of primary production. He has worked in all European seas and extensively in the European sector of the Arctic Ocean. Besides refereed papers, he edited 12 dedicated journal volumes and co-authored two outreach books. He was head of the he ARCTOS network in arctic marine ecology and the ARCTOS PhD school and has headed several multidisciplinary research projects. He has also supported the conference Arctic Frontiers, the only annual, multidisciplinary conference in the pan-Arctic region.

FISHERIES - University of Washington

Animal populations in these arctic regions are being severely threatened, species such as emperor and Adelie penguin as well as the polar bear.

The millions of wild plant species have been used for medicinal purposes by scientists since time immemorial. For example, quinine is used to treat malaria, digitalis is used for persistent heart problems and morphine is used as a pain reliever. Industries depend on biodiversity, as it is a source of energy for example use of biomass, wood is used to create shelter and fibers are used in the clothing industry. Industrial products like perfumes, paper, rubber, etc are manufactured from raw materials made available through biodiversity in the ecosystem. Biodiversity plays an important role in creation of economical prosperity in many regions, as in this case America thanks to the everglades. People from different parts of the world visit the everglades to admire the beauty of the wild plant and animals as part of their recreational activity. The everglades national park provides sanctuary to many endangered species and this enhances biodiversity in the ecosystem. Biodiversity helps scientists discover and learn more about life in the past, present and the future.

The interrelations between the organisms in the everglades are the reason behind its continued strife, health and stability. In a given ecosystem, plants require sunlight for photosynthesis, animals need air to breathe and living things need water to keep them alive. Such interrelations provide for ecosystems that sustain life for long periods. In everglades for example, all the consumers rely on air to breathe, the producers use sunlight to manufacture their food and the decomposers feed on dead matter. After the plants have manufactured their food with the use of sunlight and decomposers, they are eaten by herbivores and omnivores. Herbivores eat plants only while omnivores eat both plants and meat. The herbivores and omnivores are eaten by the carnivores who only feed on meat. After the death of any organism, decomposers, bacteria and earthworms, feed on the dead bodies and the cycle continues. This interaction between the organisms ensures continuous production and provision of energy to all the organisms.

Changes to the fish community will have multiple consequences for the polar marine ecosystem, ..
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Postdoctoral and Professional Positions

Antje Boetius is Professor of Geomicrobiology at the University Bremen, and leader of a joint research group on Deep Sea Ecology and Technology of the Alfred Wegener Institute for Polar and Marine Research and the Max Planck Institute of Marine Microbiology. She is Vice Director of MARUM Center for Marine Environmental Sciences. Antje has studied Biology and Biological Oceanography at the University of Hamburg and Scripps Institution of Oceanography. Her PhD thesis dealt with deep-sea microbiology and biogeochemistry. She became Professor for Microbiology in 2001 at the Jacobs University in Bremen, and was Group leader at the Max Planck Institute for Marine Microbiology from 2003-2008. Antje Boetius is an expert of marine biogeochemistry, biological oceanography, deep-sea biology and microbial of the ocean. She works on polar seas, on chemosynthetic ecosystems and other extreme habitats of the ocean. Antje Boetius has lead or participated in over 45 seagoing expeditions, and she has coordinated many national and international ocean research programs. Antje Boetius and her team are renowned for their contributions to the diversity and function of life associated with seafloor processes, including pelagobenthic coupling, gas seepage and fluid flow, and the structure, function and dynamics of microbial communities of the ocean floor. The group uses novel technologies and methods for the study of life at the bottom of the ocean. Current studies include the exploration of Arctic deep-sea life under the ice, and the long-term observation of the effects of global warming on polar ecosystems as well as on hypoxic aquatic ecosystems. Antje Boetius was head of the Science Commisstion of Germany’s Science Council. She is member of the advisory boards of many international and national research programs, marine research institutes and museums. She has been awarded with the Medaille de la Societe d’Oceanographie de France, the Gottfried-Wilhelm-Leibniz Prize of the DFG, the Advanced Grant of the ERC, the Petersen Price and Hector Fellow, among many other honors. Antje Boetius has been elected as an external scientific member of the Max Planck Society, to the German National Academy Leopoldina (Section Geology), and to the Academy of Sciences and Literature Mainz. She is an elected Fellow of the American Geophysical Union and of the American Academy of Microbiology. She engages much in public outreach and transfer of knowledge on the role of the ocean in the Earth System, as well as on the value of (bio)diversity.

Publications | The Center for Coastal and Ocean Mapping

Tryland, M., Godfroid, J., and Arneberg, P. (eds.) 2009. Impact of climate change on infectious diseases of animals in the Norwegian Arctic. Norwegian Polar Institute Brief Report Series No. 010.

Available PhD Projects - Research - University of …

Thingstad T.F., Bellerby, R.G.J., Bratbak, G., Børsheim, K.Y., Egge, J.K., Heldal, M., Larsen, A., Neill, C., Nejstgaard, J., Norland, S., Sandaa, R. ‐ A., Skjoldal, E.F., Tanaka, T., Thyrhaug, R., Töpper, B. (2008) Counterintuitive carbon‐ to‐nutrient coupling in an Arctic pelagic ecosystem. Nature 455, 387 – 390

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