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Registros recuperados: 6
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Coping with Multiple Stresses in Rural South Africa Ecology and Society
Quinn, Claire H.; Leeds University; c.h.quinn@leeds.ac.uk; Ziervogel, Gina; Department of Environmental and Geographical Science, University of Cape Town; gina@csag.uct.ac.za; Taylor, Anna; Stockholm Environment Institute ;; Takama, Takeshi; Stockholm Environment Institute;; Thomalla, Frank; Department of Environment and Geography, Macquarie University ;.
Tipo: Peer-Reviewed Reports Palavras-chave: Climate change; Food security; Multiple stressors; Sub-Saharan Africa; Vulnerability.
Ano: 2011
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Assessing Risks to Wildlife Populations from Multiple Stressors: Overview of the Problem and Research Needs. Ecology and Society
Munns, Jr., Wayne R.; U.S. Environmental Protection Agency; munns.wayne@epa.gov.
Wildlife populations are experiencing increasing pressure from human-induced changes in the landscape. Stressors including agricultural and urban land use, introduced invasive and exotic species, nutrient enrichment, direct human disturbance, and toxic chemicals directly or indirectly influence the quality and quantity of habitat used by terrestrial and aquatic wildlife. Governmental agencies such as the U.S. Environmental Protection Agency are required to assess risks to wildlife populations, in its broadest definition, that result from exposure to these stressors, yet considerable uncertainty exists with respect to how such assessments should be conducted. This uncertainty is compounded by questions concerning the interactive effects of co-occurring...
Tipo: Peer-Reviewed article Palavras-chave: Ecological risk assessment; Multiple stressors; Wildlife populations; Extrapolation; Population models; Research needs.
Ano: 2006
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Physiological basis of interactive responses to temperature and salinity in coastal marine invertebrate: Implications for responses to warming ArchiMer
Torres, Gabriela; Charmantier, Guy; Wilcockson, David; Harzsch, Steffen; Giménez, Luis.
Developing physiological mechanistic models to predict species’ responses to climate‐driven environmental variables remains a key endeavor in ecology. Such approaches are challenging, because they require linking physiological processes with fitness and contraction or expansion in species’ distributions. We explore those links for coastal marine species, occurring in regions of freshwater influence (ROFIs) and exposed to changes in temperature and salinity. First, we evaluated the effect of temperature on hemolymph osmolality and on the expression of genes relevant for osmoregulation in larvae of the shore crab Carcinus maenas. We then discuss and develop a hypothetical model linking osmoregulation, fitness, and species expansion/contraction toward or away...
Tipo: Text Palavras-chave: Carcinus maenas; Climate change; Coastal zone; Larva; MRNA expression; Multiple stressors; Osmoregulation; Salinity; Temperature.
Ano: 2021 URL: https://archimer.ifremer.fr/doc/00692/80408/83516.pdf
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Using a spatially structured life cycle model to assess the influence of multiple stressors on an exploited coastal-nursery-dependent population ArchiMer
Archambault, B.; Rivot, E.; Savina-rolland, Marie; Le Pape, Olivier.
Exploited coastal-nursery-dependent fish species are subject to various stressors occurring at specific stages of the life cycle: climate-driven variability in hydrography determines the success of the first eggs/larvae stages; coastal nursery habitat suitability controls juvenile growth and survival; and fisheries target mostly adults. A life cycle approach was used to quantify the relative influence of these stressors on the Eastern English Channel (EEC) population of the common sole (Solea solea), a coastal-nursery-dependent flatfish population which sustains important fisheries. The common sole has a complex life cycle: after eggs hatch, larvae spend several weeks drifting in open water. Survivors go on to metamorphose into benthic fish. Juveniles...
Tipo: Text Palavras-chave: Life cycle model; Spatial processes; Metapopulation; Coastal nursery habitat degradation; Fishing; Solea; Multiple stressors; Scenarios.
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00301/41213/40367.pdf
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Multiple Stressors and Ecological Complexity Require a New Approach to Coral Reef Research ArchiMer
Pendleton, Linwood H.; Hoegh-guldberg, Ove; Langdon, Chris; Comte, Adrien.
Ocean acidification, climate change, and other environmental stressors threaten coral reef ecosystems and the people who depend upon them. New science reveals that these multiple stressors interact and may affect a multitude of physiological and ecological processes in complex ways. The interaction of multiple stressors and ecological complexity may mean that the negative effects on coral reef ecosystems will happen sooner and be more severe than previously thought. Yet, most research on the effects of global change on coral reefs focus on one or few stressors, pathways or outcomes (e.g., bleaching). Based on a critical review of the literature, we call for a regionally targeted strategy of mesocosm-level research that addresses this complexity and...
Tipo: Text Palavras-chave: Coral reefs; Multiple stressors; Mesocosm-level research; Climate change; Ocean acidification.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00636/74835/75224.pdf
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Editorial: Facing Marine Deoxygenation ArchiMer
Capet, Arthur; Cook, Perran; Garcia-robledo, Emilio; Hoogakker, Babette; Paulmier, Aurelien; Rabouille, Christophe; Vaquer-sunyer, Raquel.
Tipo: Text Palavras-chave: Marine deoxygenation; Multiple stressors; Coastal deoxygenation; Oxygen minimumzone (OMZ); Ocean dead zones; Hypoxia; Acidification.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00688/79990/82947.pdf
Registros recuperados: 6
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