Facing Marine Deoxygenation
Author | : Arthur Capet |
Publisher | : Frontiers Media SA |
Total Pages | : 230 |
Release | : 2020-03-09 |
Genre | : |
ISBN | : 2889635864 |
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Author | : Arthur Capet |
Publisher | : Frontiers Media SA |
Total Pages | : 230 |
Release | : 2020-03-09 |
Genre | : |
ISBN | : 2889635864 |
Author | : Natalya D. Gallo |
Publisher | : |
Total Pages | : 394 |
Release | : 2018 |
Genre | : |
ISBN | : |
As oceans warm due to anthropogenic climate change, the global ocean oxygen inventory decreases in a process known as ocean deoxygenation. Since oxygen is fundamental for aerobic life, ocean deoxygenation can impact marine organisms across multiple levels of biological organization. This research used the steep gradients in oxygen characteristic of upwelling margins with oxygen minimum zones (OMZs), as a natural experiment to study how hypoxia affects the composition, diversity, trophic structure and dynamics of demersal fish communities. Despite the severely hypoxic conditions ([O2]
Author | : Daniel D'A. Laffoley |
Publisher | : |
Total Pages | : 562 |
Release | : 2019 |
Genre | : Anoxic zones |
ISBN | : 9782831720142 |
The ocean represents 97% of the physical habitable space on the planet and is central to sustaining all life on Earth. Since 2000 significant and dedicated effort has been directed at raising awareness and understanding of the consequences of greenhouse gas emissions on the ocean. Carbon dioxide emitted by human activities is driving the ocean towards more acidic conditions. Only in the past decade has it started to become more widely recognized that the temperature of the global ocean is also being significantly affected as a result of the effect that the carbon dioxide and other potent greenhouse gases are having in the Earth's atmosphere. The heating of seawater and progressive acidification are not the only major global consequences of greenhouse gases emissions in the marine realm. It has been known for some decades that nutrient run-off from agriculture causes oxygen-depleted zones to form in the sea, as life-giving oxygen is used up in the water column and on the sea floor. This phenomenon is called 'ocean deoxygenation'. Ocean deoxygenation: everyone's problem tells the scale and nature of the changes being driven by ocean deoxygenation.
Author | : M Debora Iglesias-rodriguez |
Publisher | : World Scientific |
Total Pages | : 220 |
Release | : 2019-12-24 |
Genre | : Science |
ISBN | : 178634744X |
This book brings together the state of our knowledge on the interactions between climate change and marine biota. It focusses broadly on the environmental stressors during the Anthropocene period; when human activities started to have a significant global impact on earth's geological imprint and ecosystems. This period of rapid change is accompanied by rising carbon dioxide levels, increasing global temperatures, loss of oxygen in aquatic systems, and the fast release of pollutants into the environment among many other environmental stressors originating from large scale human activities, such as widespread overfishing.The Future of Marine Life in a Changing Ocean starts by providing the reader with a brief background on fundamental concepts in ocean science and climate. It then moves on to a brief description of recent changes in marine chemistry such as ocean acidification, a decline in oxygen levels in the oceans, ocean warming, and marine pollution, with some examples of shifts in ecosystem diversity. The chapters discuss these topics in the context of how a changing ocean impacts ecosystem health, the biological carbon pump, the sequestration of carbon dioxide from the surface ocean into the deep sea, and the perceived notion of the ocean's unlimited resilience to maintain its role as a 'carbon reservoir'. Topics include threats to marine diversity, ecosystem function, latitudinal shifts in productivity and diversity, and changes in global cycling of elements such as carbon. It concludes with an analysis of the impact of climate change on food security.Written for undergraduate and graduate students, and researchers in the natural and social sciences, this book provides a science background to study environmental change in marine ecosystems as well as a science framework to study policy, marine law and the economics of climate change. This book is an essential read for anyone hoping to understand key challenges facing our oceans.
Author | : Intergovernmental Panel on Climate Change (IPCC) |
Publisher | : Cambridge University Press |
Total Pages | : 755 |
Release | : 2022-04-30 |
Genre | : Science |
ISBN | : 9781009157971 |
The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policymakers with regular assessments of the scientific basis of human-induced climate change, its impacts and future risks, and options for adaptation and mitigation. This IPCC Special Report on the Ocean and Cryosphere in a Changing Climate is the most comprehensive and up-to-date assessment of the observed and projected changes to the ocean and cryosphere and their associated impacts and risks, with a focus on resilience, risk management response options, and adaptation measures, considering both their potential and limitations. It brings together knowledge on physical and biogeochemical changes, the interplay with ecosystem changes, and the implications for human communities. It serves policymakers, decision makers, stakeholders, and all interested parties with unbiased, up-to-date, policy-relevant information. This title is also available as Open Access on Cambridge Core.
Author | : Arvind Kumar |
Publisher | : Elsevier |
Total Pages | : 702 |
Release | : 2022-02-16 |
Genre | : Science |
ISBN | : 0128156910 |
Ecosystem-Based Adaptation: Approaches to Sustainable Management of Aquatic Resources presents a close examination of the role of ecosystem-based adaptation in managing river basins, aquifers, flood plains and their vegetation to provide water storage and flood regulation. Furthermore, the book explores improved ecosystem-based services for managing floods, conservation of water and its resources (including watersheds), avoiding water scarcity, and ensuring long-term water security planning, all in the context of sustainable development goals. This book will help scientists pave the way for easy implementation of sustainable development goals, ensuring a secure and sustainable future. Presents information in an easy-to-follow manner using tables, figures and graphs where applicable, along with case studies from all continents Provides a reference for experts to use as an authoritative source to support environmental action and regulation Delineates the role of ecosystem-based adaptation in sustainable management and in the restoration of watershed forests and wetlands
Author | : José Luis Carballo |
Publisher | : Springer |
Total Pages | : 456 |
Release | : 2017-10-27 |
Genre | : Science |
ISBN | : 3319590081 |
While sponges represent a very simple group of organisms, which are represented by over 8000 species, there is considerable interest in the increasing role they may play in future marine ecosystems. While we still have a comparatively limited understanding of how sponges will respond to ocean warming and acidification there is evidence that some species may have the ability to acclimate or even adapt to these stressors. This comprehensive collection of articles describes our current understanding of the impacts of ocean acidification and warming on sponges across multiple levels of biological organisation, and from the geological past to the present. With expert contributions from across the world this book represents the most up-to-date view on sponge responses to climate change. This book will be of interest to a wide audience of marine scientists and managers, who are grappling with how to manage, conserve and protect marine ecosystems.
Author | : Patricia M. Glibert |
Publisher | : Springer |
Total Pages | : 460 |
Release | : 2018-04-26 |
Genre | : Science |
ISBN | : 3319700693 |
Harmful algal blooms (HABs) - blooms that cause fish kills, contaminate seafood with toxins, or cause human or ecological health impacts and harm to local economies - are occurring more often, in more places and lasting longer than in past decades. This expansion is primarily the result of human activities, through increased nutrient inputs and various aspects of climate change. The Global Ecology and Oceanography of Harmful Algal Blooms (GEOHAB) programme promoted international collaboration to understand HAB population dynamics in various oceanographic regimes and to improve the prediction of HABs. This volume introduces readers to the overarching framework of the GEOHAB programme, factors contributing to the global expansion of harmful algal blooms, the complexities of HABs in different habitats, and the forward-looking issues to be tackled by the next generation of GEOHAB, GlobalHAB. The programme brought together an international team of contributing scientists and ecosystem managers, and its outcomes will greatly benefit the international research community.
Author | : Bess B. Ward |
Publisher | : |
Total Pages | : 0 |
Release | : 2018 |
Genre | : |
ISBN | : |
Author | : Andres Hugo Arias |
Publisher | : CRC Press |
Total Pages | : 326 |
Release | : 2020-03-10 |
Genre | : Science |
ISBN | : 135133753X |
During the recent decades, social, political and academic endeavours have been made to improve environmental quality and reduce pollution. In particular, the ocean, sea and coastal areas show varying degrees of impact from the multiple human activities carried out in the terrestrial as well as in the aquatic environment. Ecology is a science which studies the relationship between organisms and the surrounding environment and in the modern era, the marine world is getting increasing attention. For centuries it has been the final reservoir of human garbage; later it became an oil farm with a concomitant increase of coastal population growth and unplanned growth of the fishing industry and the increasing use of sea routes for cargo transport and recreational uses (cruises). All this led to rising contamination with negative effects on biota and even human health. It is then imperative to know the current situation of the world's oceans: that is the main purpose of this book, to document at a glance the latest research in the field of ocean pollution.