Bibliografías temáticas / Southern high latitude marine ecosystems

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Literatura académica sobre el tema "Southern high latitude marine ecosystems"

Autor: Grafiati

Publicado: 25 de mayo de 2024

Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Southern high latitude marine ecosystems"

Paterson, J. Terrill, Jay J. Rotella, Kevin R. Arrigo, and Robert A. Garrott. "Tight coupling of primary production and marine mammal reproduction in the Southern Ocean." Proceedings of the Royal Society B: Biological Sciences 282, no. 1806 (2015): 20143137. http://dx.doi.org/10.1098/rspb.2014.3137.

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Polynyas are areas of open water surrounded by sea ice and are important sources of primary production in high-latitude marine ecosystems. The magnitude of annual primary production in polynyas is controlled by the amount of exposure to solar radiation and sensitivity to changes in sea-ice extent. The degree of coupling between primary production and production by upper trophic-level consumers in these environments is not well understood, which prevents reliable predictions about population trajectories for species at higher trophic levels under potential future climate scenarios. In this stud

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Arfianti, T., and MJ Costello. "Global biogeography of marine amphipod crustaceans: latitude, regionalization, and beta diversity." Marine Ecology Progress Series 638 (March 19, 2020): 83–94. http://dx.doi.org/10.3354/meps13272.

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Studying the biogeography of amphipod crustaceans is of interest because they play an important role at lower trophic levels in ecosystems. Because they lack a planktonic larval stage, it has been hypothesized that marine benthic amphipod crustaceans may have short dispersal distances, high endemicity, and spatial turnover in species composition, and consequently high global species richness. In this study, we examined over 400000 distribution records of 4876 amphipod species, and identified 12 regions of endemicity. The number and percent of endemic species peaked at 30°-35°S and coincided wi

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Contreras, L., J. Pross, P. K. Bijl, et al. "Southern high-latitude terrestrial climate change during the Paleocene–Eocene derived from a marine pollen record (ODP Site 1172, East Tasman Plateau)." Climate of the Past Discussions 10, no. 1 (2014): 291–340. http://dx.doi.org/10.5194/cpd-10-291-2014.

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Abstract. Reconstructing the early Paleogene climate dynamics of terrestrial settings in the high southern latitudes is important to assess the role of high-latitude physical and biogeochemical processes in the global climate system. However, whereas a number of high-quality Paleogene climate records has become available for the marine realm of the high southern latitudes over the recent past, the long-term evolution of coeval terrestrial climates and ecosystems is yet poorly known. We here explore the climate and vegetation dynamics on Tasmania from the middle Paleocene to the early Eocene (6

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Contreras, L., J. Pross, P. K. Bijl, et al. "Southern high-latitude terrestrial climate change during the Palaeocene–Eocene derived from a marine pollen record (ODP Site 1172, East Tasman Plateau)." Climate of the Past 10, no. 4 (2014): 1401–20. http://dx.doi.org/10.5194/cp-10-1401-2014.

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Abstract. Reconstructing the early Palaeogene climate dynamics of terrestrial settings in the high southern latitudes is important to assess the role of high-latitude physical and biogeochemical processes in the global climate system. However, whereas a number of high-quality Palaeogene climate records has become available for the marine realm of the high southern latitudes over the recent past, the long-term evolution of coeval terrestrial climates and ecosystems is yet poorly known. We here explore the climate and vegetation dynamics on Tasmania from the middle Palaeocene to the early Eocene

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Song, Zhixuan. "Projected impacts of global warming scenarios on marine ecosystems: Insights from the CMIP6 model." Theoretical and Natural Science 37, no. 1 (2024): 1–21. http://dx.doi.org/10.54254/2753-8818/37/20240153.

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Rising oceanic temperatures and increased heat content have triggered a decline in marine biodiversity and the degradation of ecosystem services. This study employs the Coupled Model Intercomparison Project Phase 6 (CMIP6) to analyze variables within the Nutrient-Phytoplankton-Zooplankton-Detritus (NPZD) framework. Focusing on two contrasting Shared Socioeconomic Pathways (SSPs) - SSP1-2.6 (low-warming scenario) and SSP5-8.5 (high-warming scenario) - we assess future impacts of climate-related factors on marine ecosystems across major oceanic regions. Under the high-warming SSP5-8.5 scenario,

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Son, Min Ho, Chung Il Lee, Joo Myun Park, et al. "The Northward Habitat Expansion of the Korean Top Shell Turbo sazae (Gastropoda: Vetigastropoda: Turbinidae) in the Korean Peninsula: Effects of Increasing Water Temperature." Journal of Marine Science and Engineering 8, no. 10 (2020): 782. http://dx.doi.org/10.3390/jmse8100782.

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Recent global climate change often leads to poleward expansions of habitat range of marine organisms in response to increasing water temperature at high latitude. This study investigated latitudinal distribution patterns of Turbo sazae from 2009 to 2018 along the southern and eastern coasts of Korea to verify whether gradual increases in seawater temperature in the East Sea/Sea of Japan (hereafter East/Japan Sea) accelerate changes in the geographic distribution of T. sazae. Between 2009 and 2018, underwater SCUBA surveys were conducted at 19 subtidal rocky shore habitats from the southern and

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Beltran, Roxanne S., A. Marm Kilpatrick, Greg A. Breed, et al. "Seasonal resource pulses and the foraging depth of a Southern Ocean top predator." Proceedings of the Royal Society B: Biological Sciences 288, no. 1947 (2021): 20202817. http://dx.doi.org/10.1098/rspb.2020.2817.

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Seasonal resource pulses can have enormous impacts on species interactions. In marine ecosystems, air-breathing predators often drive their prey to deeper waters. However, it is unclear how ephemeral resource pulses such as near-surface phytoplankton blooms alter the vertical trade-off between predation avoidance and resource availability in consumers, and how these changes cascade to the diving behaviour of top predators. We integrated data on Weddell seal diving behaviour, diet stable isotopes, feeding success and mass gain to examine shifts in vertical foraging throughout ice break-out and

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Loeb, Valerie J., Eileen E. Hofmann, John M. Klinck, Osmund Holm-Hansen, and Warren B. White. "ENSO and variability of the Antarctic Peninsula pelagic marine ecosystem." Antarctic Science 21, no. 2 (2008): 135–48. http://dx.doi.org/10.1017/s0954102008001636.

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AbstractThe West Antarctic Peninsula region is an important source of Antarctic krill (Euphausia superba) in the Southern Ocean. From 1980–2004 abundance and concentration of phytoplankton and zooplankton, krill reproductive and recruitment success and seasonal sea ice extent here were significantly correlated with the atmospheric Southern Oscillation Index and exhibited three- to five-year frequencies characteristic of El Niño–Southern Oscillation (ENSO) variability. This linkage was associated with movements of the Southern Antarctic Circumpolar Current Front and Boundary, a changing influen

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Rodgers, K. B., J. Lin, and T. L. Frölicher. "Emergence of multiple ocean ecosystem drivers in a large ensemble suite with an Earth system model." Biogeosciences 12, no. 11 (2015): 3301–20. http://dx.doi.org/10.5194/bg-12-3301-2015.

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Abstract. Marine ecosystems are increasingly stressed by human-induced changes. Marine ecosystem drivers that contribute to stressing ecosystems – including warming, acidification, deoxygenation and perturbations to biological productivity – can co-occur in space and time, but detecting their trends is complicated by the presence of noise associated with natural variability in the climate system. Here we use large initial-condition ensemble simulations with an Earth system model under a historical/RCP8.5 (representative concentration pathway 8.5) scenario over 1950–2100 to consider emergence c

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Steneck, Robert S., Michael H. Graham, Bruce J. Bourque, et al. "Kelp forest ecosystems: biodiversity, stability, resilience and future." Environmental Conservation 29, no. 4 (2002): 436–59. http://dx.doi.org/10.1017/s0376892902000322.

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Kelp forests are phyletically diverse, structurally complex and highly productive components of coldwater rocky marine coastlines. This paper reviews the conditions in which kelp forests develop globally and where, why and at what rate they become deforested. The ecology and long archaeological history of kelp forests are examined through case studies from southern California, the Aleutian Islands and the western North Atlantic, well-studied locations that represent the widest possible range in kelp forest biodiversity. Global distribution of kelp forests is physiologically constrained by ligh

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Tesis sobre el tema "Southern high latitude marine ecosystems"

Maturana, Martínez Claudia. "Diversity and community composition of active microbial communities in southern high latitude ecosystems." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS134.

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Les écosystèmes marins des hautes latitudes méridionales (HLME) sont très sensibles au changement climatique, ayant un impact sur les processus physiques, chimiques et biologiques. Cependant, leur rôle important dans la modulation du climat et la circulation des masses d'eau contraste avec le nombre relativement faible d'études sur leur fonctionnement. Relativement peu d'études sur la structure de la communauté bactérioplanctonique ont été rapportées pour le sud de la Patagonie chilienne et pour l'océan Austral (SO) à grande échelle, et aucune n'a ciblé la fraction active de la communauté bact

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Saunders, Ryan Alexander. "Ecological investigations of euphausiids at high latitudes." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/347.

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Lewis, PN. "Keeping the coastlines of the Southern Ocean pest-free : hazards, risks and management of non-indigenous species in high latitude marine environments." Thesis, 2007. https://eprints.utas.edu.au/20654/1/whole_LewisPatrickNeil2007_thesis.pdf.

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Invasive species are a prominent threat to global biodiversity. In the marine environment of the Southern Ocean, the rate of delivery, establishment and the subsequent impacts of non-indigenous species remains poorly understood. Furthermore, the absence of dedicated monitoring and effective baselines makes it difficult to recognize the presence of invasive populations. It is now understood that several introduction pathways capable of delivering marine species operate in this region, and the first introduced marine species in the Antarctic continent was recently reported. By analysing various

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Capítulos de libros sobre el tema "Southern high latitude marine ecosystems"

Armesto, Juan J., Cecilia Smith-Ramírez, and Carlos Sabag. "The Importance of Plant-Bird Mutualisms in the Temperate Rainforest of Southern South America." In High-Latitude Rainforests and Associated Ecosystems of the West Coast of the Americas. Springer New York, 1996. http://dx.doi.org/10.1007/978-1-4612-3970-3_12.

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Arroyo, Mary T. Kalin, Magaly Riveros, Alejandro Peñaloza, Lohengrin Cavieres, and Ana Maria Faggi. "Phytogeographic Relationships and Regional Richness Patterns of the Cool Temperate Rainforest Flora of Southern South America." In High-Latitude Rainforests and Associated Ecosystems of the West Coast of the Americas. Springer New York, 1996. http://dx.doi.org/10.1007/978-1-4612-3970-3_8.

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Sell, Anne F., Graham P. von Maltitz, Holger Auel, et al. "Unique Southern African Terrestrial and Oceanic Biomes and Their Relation to Steep Environmental Gradients." In Sustainability of Southern African Ecosystems under Global Change. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-10948-5_2.

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AbstractThe southern African subcontinent and its surrounding oceans accommodate globally unique ecoregions, characterized by exceptional biodiversity and endemism. This diversity is shaped by extended and steep physical gradients or environmental discontinuities found in both ocean and terrestrial biomes. The region’s biodiversity has historically been the basis of life for indigenous cultures and continues to support countless economic activities, many of them unsustainable, ranging from natural resource exploitation, an extensive fisheries industry and various forms of land use to nature-ba

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Mehlhorn, Paul, Brent Newman, and Torsten Haberzettl. "Comparison of Different Normalisers for Identifying Metal Enrichment of Sediment: A Case Study from Richards Bay Harbour, South Africa." In Sustainability of Southern African Ecosystems under Global Change. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-10948-5_27.

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AbstractSouth Africa’s ecosystems are challenged in various ways by anthropogenic effects, such as land-use change, leading to soil erosion in concert with industrial or agricultural pollution, leading to an increase in pollutants in final depositional systems. Here we focus on metals in the marine environment of Richards Bay Harbour. The use for Al, Fe, Rb, Ti and the silt fraction of the sediment as normalisers of Cr, Cu, Co and Pb concentrations in sediment is compared to determine if they provide the same understanding on the enrichment. Baseline metal concentration models were defined and

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Kloeppel, Brian D., and Barton D. Clinton. "Drought Impacts on Tree Growth and Mortality of Southern Appalachian Forests." In Climate Variability and Ecosystem Response in Long-Term Ecological Research Sites. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195150599.003.0009.

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The Coweeta LTER Program represents the eastern deciduous forests of the southern Appalachian Mountains in the United States. Coweeta Hydrologic Laboratory was established in 1934 and hence has a long record of climate measurement and vegetation response to both natural and human disturbance (Swank and Crossley 1988). The general climate of the area is classified as marine humid temperate because of high moisture and mild temperatures (Critchfield 1966; Swift et al. 1988). These conditions have favored the evolution of high species diversity in organisms in the southern Appalachians at many le

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Smith, Raymond C., and Xiaojun Yuan. "The Quasi-Quintennial Timescale—Synthesis." In Climate Variability and Ecosystem Response in Long-Term Ecological Research Sites. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195150599.003.0020.

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The El Nino–Southern Oscillation (ENSO) is one of the most important contributors to interannual variability on Earth (Diaz and Markgraf 2000). It is an aperiodic phenomenon that tends to reoccur within the range of 2 to 7 years, and it is manifest by the alternation of extreme warm (El Niño) and cold (La Niña) events. There is also evidence (Allen 2000) that the aperiodic ENSO phenomenon must be considered in conjunction with climate fluctuations at decadal to multidecadal time frames that may modulate ENSO’s lower frequency variability. Numerous studies show global climatic impacts associate

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Mack, Greg H., and Barbara A. Nolen. "Regional Setting of the Jornada Basin." In Structure and Function of a Chihuahuan Desert Ecosystem. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195117769.003.0006.

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Within the area around Las Cruces, New Mexico, is a network of studies both at the Jornada Experimental Range (JER) and the Chihuahuan Desert Rangeland Research Center (CDRRC), which includes the Desert Soil-Geomorphology Project. All of these research entities are in the Chihuahuan Desert; this chapter describes the geologic history and development of landscapes that are important elements to our understanding of this ecosystem and its dynamic nature. Southern New Mexico consists of C3 shrubs and C4 grasses in the lower elevations surrounded by C3 woodlands and juniper savannas in the higher

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Crame, J. Alistair. "Evolution of high-latitude molluscan faunas." In Origin and Evolutionary Radiation of the Mollusca. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198549802.003.0010.

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Abstract Two central, and interrelated, questions lie at the heart of investigations into the evolutionary history of polar and high- latitude marine biotas: how old are they?, and how isolated have they been through time? There is, perhaps, still a widespread impression that polar biotas are in some way less mature than their low-latitude counterparts. Because of repeated glaciations through the late Neogene and Quaternary, it is assumed generally that many taxa are still re-adjusting to life in high latitudes; by comparison, the more benign low- latitude regions are thought to be sites where

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Chaloupka, Milani. "Southern Great Barrier Reef Green Sea Turtle (Chelonia mydas) Stock: Consequences of Local Sex-Biased Harvesting." In Species Conservation and Management. Oxford University PressNew York, NY, 2004. http://dx.doi.org/10.1093/oso/9780195166460.003.0030.

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Abstract The green turtle (Chelonia mydas) is a marine species with a broad pantropical distribution (Bowen et al. 1992) and is the most abundant large herbivore in marine ecosystems (Bjorndal et al. 2000). The southern Great Barrier Reef (sGBR) green turtle stock is one of the most important breeding populations of green turtles in the western South Pacific region (FitzSimmons et al. 1997) with benthic foraging grounds in Australian, Indonesian, Papua New Guinean, Coral Sea, and New Caledonian waters (Limpus et al. 1992). The Great Barrier Reef and coastal Queensland benthic habitat component

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"The Ecology of Juvenile Salmon in the Northeast Pacific Ocean: Regional Comparisons." In The Ecology of Juvenile Salmon in the Northeast Pacific Ocean: Regional Comparisons, edited by Marc Trudel, Mary E. Thiess, Cynthia Bucher, et al. American Fisheries Society, 2007. http://dx.doi.org/10.47886/9781888569957.ch8.

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Abstract.—Size-selective mortality combined with longer winters at high-latitudes is expected to exert strong directional selection on size, growth, and energy use and storage capacity in northern fish populations. Here, we tested the hypotheses that juvenile Pacific salmon Oncorhynchus spp. grow faster, reach larger size, and accumulate higher energy reserves in the marine environment at northern latitudes using juvenile Chinook salmon O. tshawystcha and coho salmon O. kisutch collected on the continental shelf from the California

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Actas de conferencias sobre el tema "Southern high latitude marine ecosystems"

Forero-López, Ana D., Carolina Fernández, Fabio Malanca, Guido N. Rimondino, and Sandra E. Botté. "MACROALGAE AS MARINE MICRODEBRIS TRAPS: A CASE STUDY IN THE BAHÍA BLANCA ESTUARY." In Second Southern Science Conference - 2024. Araucária - Associação Científica, 2024. https://doi.org/10.48141/sscon_46_2024.pdf.

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Marine microdebris (MDs), including microplastics (MPs) and antifouling and/or anticorrosive paint particles (APPs) could have significant implications within coastal ecosystems of Argentina, particularly producers primary as macroalgae. In this study, we aimed to determine the abundance of MDs, including MPs APPs, among others, in seven different species of macroalgae (P. morrowii, C. diaphanum, Bangia sp., Gelidium spp., Ulva spp., P. nakamurae, and B. minima) and in surface waters from the Bahia Blanca Estuary (BBE). Fiber MPs were the most common type of MDs found in surface waters. In mac

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Salah, Mohamed, and Ramy Raafat Ahmed. "Velocity Modelling and Depth Conversion Uncertainty Mitigation in GS327 Oil Field, in Gulf of Suez Basin." In GOTECH. SPE, 2025. https://doi.org/10.2118/224602-ms.

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Abstract The Gulf of Suez rift initiated in the Late Oligocene, probably propagating northwards, and intersecting a major east-west structural boundary of Late Eocene age at the latitude of Suez City. North of Suez, extension was more diffuse but mostly focused on the Manzala rift that is presently buried beneath the Nile Delta. Earliest syn-rift, mainly continental sediments (Chattian-Aquitanian) consisted of red beds containing minor basalts. Marine Oligocene strata are presently only proven from the southernmost Gulf, at the juncture with the northern Red Sea. By the Aquitanian, a shallow t

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Informes sobre el tema "Southern high latitude marine ecosystems"

Stone, Robert P., Stephen D. Cairns, Dennis M. Opresko, Gary C. Williams, and Michele M. Masuda. A guide to the corals of Alaska. US Department of Commerce, NOAA, NMFS Scientific Publications Office, 2024. http://dx.doi.org/10.7755/pp.23.

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The Magnuson-Stevens Fishery Conservation and Management Reauthorization Act of 2006 mandat¬ed the research and management of the nation’s deep-sea coral resources through establishment of the National Oceanic and Atmospheric Administra¬tion’s Deep Sea Coral Research and Technology Program. The challenge for Alaska was daunting, where expansive, world-class fisheries often coincided with extraordinarily rich coral habitats for a high-latitude region. The first chal¬lenge was to inventory known locations of deep-sea corals. Many coral records and some museum collections existed from Alaska, but

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