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The Ecosystem of Kongsfjorden, Svalbard by Haakon Hop,Christian Wiencke Pdf
This book focuses in detail on all ecologically important aspects of the Kongsfjorden system such as the marine and atmospheric environment including long-term monitoring, Ecophysiology of individual species, structure and function of the ecosystem, ecological processes and biological communities. The contributed articles include review articles and research articles that have a wider approach and bring the current research up-to-date. This book will form a baseline for future work.
The Ecosystem of Kongsfjorden, Svalbard by Haakon Hop,Christian Wiencke Pdf
This book focuses in detail on all ecologically important aspects of the Kongsfjorden system such as the marine and atmospheric environment including long-term monitoring, Ecophysiology of individual species, structure and function of the ecosystem, ecological processes and biological communities. The contributed articles include review articles and research articles that have a wider approach and bring the current research up-to-date. This book will form a baseline for future work.
The Physiology, Ecology and Biogeochemistry of Marine Zooplankton in a Changing Arctic Ocean by Daniel J. Mayor,Geraint A. Tarling,Kim Last,Malin Daase Pdf
The Arctic, in the polar region, the northernmost part of Earth, is the hotspot for climate change assessments and the sensitive barometer of global climate variability. This book includes the scientific observations in the Arctic region’s climate and the results obtained by scientists at the Indian Arctic station Himadri over the past decade. Designed and structured to incorporate multi-dimensional climate change research output, it is a significant contribution toward understanding, among other issues, the role of persistent organic pollutants and mercury, as well as the increase of carbon monoxide during ozone reduction in the Arctic. Features include: Highlights the achievements of climate change research in the Arctic region Includes case studies of scientists in the Arctic and their significant achievements through the Indian research base Himadri Provides a thorough review of palaeoclimate change studies, the impact of climate change on biotic components and the impact of climate change on abiotic components Provides specific details on the study of ozone depletion phenomenon over the Arctic region Covers a wide range of research contributions Details sea ice variability in the context of global warming over the Arctic region Connects seismogenesis with the climate change in the Arctic region This book will be an important read for researchers, students and all interested professionals.
Seascape Ecology: from characterization to evaluation of state and change over time by Monica Montefalcone,Carlo Nike Bianchi Pdf
Landscape ecology has been a discrete, established discipline since at least 1980. Its marine counterpart, seascape ecology, is barely a decade old, its first applications dating from the early 2010s. Lack of perception of the marine environment hampers the adoption of many landscape ecology approaches to the sea. Seascape ecology relies on special technologies such as remote sensing (either acoustic or optical), robotics, and scuba diving. Both disciplines deal with the spatial configuration of ecosystems and consider environmental heterogeneity and dynamics as the main subjects of study and the key for ecosystem functioning and persistence. Seascape is here intended as the totality of natural and anthropogenic characters of a marine region. To the geologist, it is defined by sedimentology and underwater geomorphology, to the biologist by the nature of the living cover of the seafloor, to the ecologist by the relationships among functional processes and the spatial organization of ecosystems. The goal of this research topic is to encourage original research, case studies, reviews, and viewpoints to identify research priority gaps and possibly contribute to filling them in. We will appreciate, in particular, manuscripts dealing with recent advances such as high-resolution habitat mapping; underwater soundscape and biophony; development, application and validation of biotic indices to assess seafloor integrity (as requested, for instance, by recent European Directives). Papers of interest may discuss the multivarious facets of stability and describe resistance and resilience patterns, the role of stress and disturbance, regime shift and phase shift, or may take up the challenge of integrating coastal landscape and seascape analyses. Studies of long-term series are welcome, as well as methodological improvements, and macroecological approaches on the importance of species diversity and connectivity in seascape organization.
Physical Drivers of Biogeographical Shifts in the Northeastern Atlantic – and Adjacent Shelves by Hjálmar Hátún,Oeystein Skagseth,Teresa Sofia Giesta da Silva Pdf
Impact of Climate Changes on Marine Environments by Tymon Zielinski,Marcin Weslawski,Karol Kuliński Pdf
This book contributes to the current discussion on global environmental changes by discussing modifications in marine ecosystems related to global climate changes. In marine ecosystems, rising atmospheric CO2 and climate changes are associated with shifts in temperature, circulation, stratification, nutrient input, oxygen concentration and ocean acidification, which have significant biological effects on a regional and global scale. Knowing how these changes affect the distribution and abundance of plankton in the ocean currents is crucial to our understanding of how climate change impacts the marine environment. Ocean temperatures, weather and climatic changes greatly influence the amount and location of nutrients in the water column. If temperatures and currents change, the plankton production cycle may not coincide with the reproduction cycle of fish. The above changes are closely related to the changes in radiative forcing, which initiate feedback mechanisms like changes in surface temperature, circulation, and atmospheric chemistry.
Small Scale Spatial and Temporal Patterns in Particles, Plankton, and Other Organisms by Aditya R. Nayak,Houshuo Jiang,Lee Karp-Boss,James Michael Sullivan,David Murphy,Margaret Byron,Malcolm McFarland Pdf
Author : David N. Thomas Publisher : John Wiley & Sons Page : 468 pages File Size : 41,6 Mb Release : 2021-01-26 Category : Science ISBN : 9781118846544
The Arctic is often portrayed as being isolated, but the reality is that the connectivity with the rest of the planet is huge, be it through weather patterns, global ocean circulation, and large-scale migration patterns to name but a few. There is a huge amount of public interest in the ‘changing Arctic’, especially in terms of the rapid changes taking place in ecosystems and exploitation of resources. There can be no doubt that the Arctic is at the forefront of the international environmental science agenda, both from a scientific aspect, and also from a policy/environmental management perspective. This book aims to stimulate a wide audience to think about the Arctic by highlighting the remarkable breadth of what it means to study its ecology. Arctic Ecology seeks to systematically introduce the diverse array of ecologies within the Arctic region. As the Arctic rapidly changes, understanding the fundamental ecology underpinning the Arctic is paramount to understanding the consequences of what such change will inevitably bring about. Arctic Ecology is designed to provide graduate students of environmental science, ecology and climate change with a source where Arctic ecology is addressed specifically, with issues due to climate change clearly discussed. It will also be of use to policy-makers, researchers and international agencies who are focusing on ecological issues and effects of global climate change in the Arctic. About the Editor David N. Thomas is Professor of Arctic Ecosystem Research in the Faculty of Biological and Environmental Sciences, University of Helsinki. Previously he spent 24 years in the School of Ocean Sciences, Bangor University, Wales. He studies marine systems, with a particular emphasis on sea ice and land-coast interactions in the Arctic and Southern Oceans as well as the Baltic Sea. He also edited a related book: Sea Ice, 3rd Edition (2017), which is also published by Wiley-Blackwell.
Paul F. J. Wassmann,Dorte Krause-Jensen,Markus A. Janout,Bodil Annikki Bluhm
Author : Paul F. J. Wassmann,Dorte Krause-Jensen,Markus A. Janout,Bodil Annikki Bluhm Publisher : Frontiers Media SA Page : 297 pages File Size : 51,7 Mb Release : 2021-08-25 Category : Science ISBN : 9782889712298
Towards a Unifying Pan-Arctic Perspective of the Contemporary and Future Arctic Ocean by Paul F. J. Wassmann,Dorte Krause-Jensen,Markus A. Janout,Bodil Annikki Bluhm Pdf
The Topic Editors Paul F. J. Wassmann, dorte Krause-Jensen, Markus A. Janout, and Bodil Annikki Bluhm declare that they are collaborating with pan-arctic community.
POLAR NIGHT Marine Ecology by Jørgen Berge,Geir Johnsen,Jonathan H. Cohen Pdf
Until recently, the prevailing view of marine life at high latitudes has been that organisms enter a general resting state during the dark Polar Night and that the system only awakens with the return of the sun. Recent research, however, with coordinated, multidisciplinary field campaigns based on the high Arctic Archipelago of Svalbard, have provided a radical new perspective. Instead of a system in dormancy, a new perspective of a system in full operation and with high levels of activity across all major phyla is emerging. Examples of such activities and processes include: Active marine organisms at sea surface, water column and the sea-floor. At surface we find active foraging in seabirds and fish, in the water column we find a high biodiversity and activity of zooplankton and larvae such as active light induced synchronized diurnal vertical migration, and at seafloor there is a high biodiversity in benthic animals and macroalgae. The Polar Night is a period for reproduction in many benthic and pelagic taxa, mass occurrence of ghost shrimps (Caprellides), high abundance of Ctenophores, physiological evidence of micro- and macroalgal cells that are ready to utilize the first rays of light when they appear, deep water fishes found at water surface in the Polar night, and continuous growth of bivalves throughout the winter. These findings not only begin to shape a new paradigm for marine winter ecology in the high Arctic, but also provide conclusive evidence for a top-down controlled system in which primary production levels are close to zero. In an era of environmental change that is accelerated at high latitudes, we believe that this new insight is likely to strongly impact how the scientific community views the high latitude marine ecosystem. Despite the overwhelming darkness, the main environmental variable affecting marine organisms in the Polar Night is in fact light. The light regime during the Polar Night is unique with respect to light intensity, spectral composition of light and photoperiod.
Author : John Allen Howe Publisher : Geological Society of London Page : 394 pages File Size : 44,6 Mb Release : 2010 Category : Biology ISBN : 1862393125
"The current volume brings together a selection of papers which have variously, but not exclusively, been presented in recent years at one of three international meetings on the theme of Fjords. The first of these meetings on 'Fjord environments: past, present and future' was held as a workshop ...The second meeting was convened as a formal session (CGC-13) entitles 'Fjords: climate and environmental change' ..The third of these meetings, the 2nd International workshop on the theme Fjord environments: past, present and future ..." --p. [1].
Carbon Bridge to the Arctic by Marit Reigstad,Maria Vernet,Jacob Carstensen,Camilla Svensen Pdf
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Antarctic Seaweeds by Iván Gómez,Pirjo Huovinen Pdf
Seaweeds (macroalgae) represent the most striking living components in the Antarctic’s near-shore ecosystems, especially across the West Antarctic Peninsula and adjacent islands. Due to their abundance, their central roles as primary producers and foundation organisms, and as sources of diverse metabolically active products, seaweed assemblages are fundamental to biogeochemical cycles in Antarctic coastal systems. In recent years, the imminence of climate change and the direct impacts of human beings, which are affecting vast regions of the Antarctic, have highlighted the importance of seaweed processes in connection with biodiversity, adaptation and interactions in the benthic network. Various research groups have been actively involved in the investigation of these topics. Many of these research efforts have a long tradition, while some “newcomers” have also recently contributed important new approaches to the study of these organisms, benefiting polar science as a whole. This book provides an overview of recent advances and insights gleaned over the past several years. Focusing on a timely topic and extremely valuable resource, it assesses the challenges and outlines future directions in the study of Antarctic seaweeds.
