Search Results - "Pörtner, H.‐O."

Oxygen- and capacity-limitation of thermal tolerance: a matrix for integrating climate-related stressor effects in marine ecosystems by Pörtner, H-O

“…The concept of oxygen- and capacity-dependent thermal tolerance in aquatic ectotherms has successfully explained climate-induced effects of rising temperatures…”
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The human imperative of stabilizing global climate change at 1.5°C by Hoegh-Guldberg, O, Jacob, D, Taylor, M, Guillén Bolaños, T, Bindi, M, Brown, S, Camilloni, I A, Diedhiou, A, Djalante, R, Ebi, K, Engelbrecht, F, Guiot, J, Hijioka, Y, Mehrotra, S, Hope, C W, Payne, A J, Pörtner, H-O, Seneviratne, S I, Thomas, A, Warren, R, Zhou, G

“…Increased concentrations of atmospheric greenhouse gases have led to a global mean surface temperature 1.0°C higher than during the pre-industrial period. We…”
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Overcoming the coupled climate and biodiversity crises and their societal impacts by Pörtner, H-O, Scholes, R J, Arneth, A, Barnes, D K A, Burrows, M T, Diamond, S E, Duarte, C M, Kiessling, W, Leadley, P, Managi, S, McElwee, P, Midgley, G, Ngo, H T, Obura, D, Pascual, U, Sankaran, M, Shin, Y J, Val, A L

“…Earth's biodiversity and human societies face pollution, overconsumption of natural resources, urbanization, demographic shifts, social and economic…”
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Climate change effects on fishes and fisheries: towards a cause-and-effect understanding by Pörtner, H. O., Peck, M. A.

“…Ongoing climate change is predicted to affect individual organisms during all life stages, thereby affecting populations of a species, communities and the…”
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Impacts of hypoxia on the structure and processes in pelagic communities (zooplankton, macro-invertebrates and fish) by Ekau, W., Auel, H., Pörtner, H.-O., Gilbert, D.

“…Dissolved oxygen (DO) concentration in the water column is an environmental parameter that is crucial for the successful development of many pelagic organisms…”
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Ocean warming and acidification modulate energy budget and gill ion regulatory mechanisms in Atlantic cod (Gadus morhua) by Kreiss, C. M., Michael, K., Lucassen, M., Jutfelt, F., Motyka, R., Dupont, S., Pörtner, H. -O.

“…Ocean warming and acidification are threatening marine ecosystems. In marine animals, acidification is thought to enhance ion regulatory costs and thereby…”
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Temperature-dependence of mitochondrial function and production of reactive oxygen species in the intertidal mud clam Mya arenaria by Abele, D, Heise, K, Pörtner, H O, Puntarulo, S

“…Mitochondrial respiration, energetic coupling to phosphorylation and the production of reactive oxygen species (ROS) were studied in mitochondria isolated from…”
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Physiological basis of temperature-dependent biogeography: trade-offs in muscle design and performance in polar ectotherms by Poertner, HO

“…Polar, especially Antarctic, oceans host ectothermic fish and invertebrates characterized by low-to-moderate levels of motor activity; maximum performance is…”
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Exposure history determines pteropod vulnerability to ocean acidification along the US West Coast by Bednaršek, N., Feely, R. A., Tolimieri, N., Hermann, A. J., Siedlecki, S. A., Waldbusser, G. G., McElhany, P., Alin, S. R., Klinger, T., Moore-Maley, B., Pörtner, H. O.

“…The pteropod Limacina helicina frequently experiences seasonal exposure to corrosive conditions (Ω ar   < 1) along the US West Coast and is recognized as one…”
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Climate variations and the physiological basis of temperature dependent biogeography: systemic to molecular hierarchy of thermal tolerance in animals by Poertner, HO

“…The physiological mechanisms limiting and adjusting cold and heat tolerance have regained interest in the light of global warming and associated shifts in the…”
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Acid-base regulatory ability of the cephalopod (Sepia officinalis) in response to environmental hypercapnia by Gutowska, Magdalena A, Melzner, F, Langenbuch, M, Bock, C, Claireaux, G, Pörtner, H. O

“…Acidification of ocean surface waters by anthropogenic carbon dioxide (CO₂) emissions is a currently developing scenario that warrants a broadening of research…”
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Niche Dimensions in Fishes: An Integrative View by Pörtner, H. O., Schulte, P. M., Wood, C. M., Schiemer, F.

“…Current shifts in ecosystem composition and function emphasize the need for an understanding of the links between environmental factors and organism fitness…”
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Energy budget of hepatocytes from Antarctic fish (Pachycara brachycephalum and Lepidonotothen kempi) as a function of ambient CO2: pH-dependent limitations of cellular protein biosynthesis? by Langenbuch, M, Pörtner, H O

“…Scenarios of rising CO2 concentration in surface waters due to atmospheric accumulation of anthropogenic CO2, or in the deep sea due to anticipated industrial…”
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Impact of ocean acidification on thermal tolerance and acid–base regulation of Mytilus edulis from the White Sea by Zittier, Z. M. C., Bock, C., Sukhotin, A. A., Häfker, N. S., Pörtner, H. O.

“…Ocean warming and acidification are two important environmental drivers affecting marine organisms. Organisms living at high latitudes might be especially…”
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Effects of long-term moderate hypercapnia on acid-base balance and growth rate in marine mussels Mytilus galloprovincialis by MICHAELIDIS, Basile, OUZOUNIS, Christos, PALERAS, Andreas, PÖRTNER, Hans O

“…In the context of future scenarios of progressive accumulation of anthropogenic CO sub(2) in marine surface waters, the present study addresses the effects of…”
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Oxygen limited thermal tolerance in fish?: Answers obtained by nuclear magnetic resonance techniques by Pörtner, H.O, Mark, F.C, Bock, C

“…In various phyla of marine invertebrates limited capacities of both ventilatory and circulatory performance were found to set the borders of the thermal…”
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Growth Efficiency and Temperature in Scallops: A Comparative Analysis of Species Adapted to Different Temperatures by Heilmayer, O., Brey, T., Pörtner, H. O.

“…1. Data were collected on metabolic activity and growth in pectinid bivalves from published studies. The resulting database comprised three types of data sets:…”
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Changes in metabolic rate and N excretion in the marine invertebrate Sipunculus nudus under conditions of environmental hypercapnia: identifying effective acid-base variables by Langenbuch, M, Pörtner, H O

“…Increased CO(2) partial pressures (hypercapnia) as well as hypoxia are natural features of marine environments like the intertidal zone. Nevertheless little is…”
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Metabolic cold adaptation in the lugworm Arenicola marina: Comparison of a North Sea and a White Sea population by SOMMER, A. M, PÖRTNER, H. O

“…Mitochondrial mechanisms, which may define and adjust an organism's thermal tolerance window to the environmental temperature regime, were studied in 2…”
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Production of reactive oxygen species by isolated mitochondria of the Antarctic bivalve Laternula elliptica (King and Broderip) under heat stress by Heise, K, Puntarulo, S, Pörtner, H O, Abele, D

“…Formation of reactive oxygen species (ROS) in mitochondrial isolates from gill tissues of the Antarctic polar bivalve Laternula elliptica was measured…”
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