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Ruiz S S Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Chile. - - 2014
The subduction zone in Northern Chile is a well identified seismic gap that last ruptured in 1877. The Mw 8.1 Iquique earthquake of 1 April 2014 broke a highly coupled portion of this gap. To understand the seismicity preceding this event, we studied the location and mechanisms of the foreshocks ...
Crowe S A SA Nordic Center for Earth Evolution and Institute of Biology, University of Southern Denmark, Odense, Denmark; Departments of Microbiology & Immunology and Earth, Ocean, & Atmospheric Sciences, University of British Columbia, Vancouver, - - 2014
Ferruginous Lake Matano, Indonesia hosts one of the deepest anoxygenic photosynthetic communities on Earth. This community is dominated by low-light adapted, BChl e-synthesizing green sulfur bacteria (GSB), which comprise ~25% of the microbial community immediately below the oxic-anoxic boundary (OAB; 115-120 m in 2010). The size of this community is dependent ...
Xu Dong - - 2014
Studies on ocean acidification have mostly been based on short-term experiments of low latitude with few investigating the long-term influence on sea-ice communities. Here, the combined effects of ocean acidification and photoperiod on the physiological response of an Antarctic sea ice microalgae Chlamydomonas sp. ICE-L were examined. There was a ...
Saros J E JE Climate Change Institute, School of Biology & Ecology, University of Maine, 137 Sawyer Environmental Sciences Center, Orono, ME, 04469, - - 2014
The fossil record of diatoms in lake sediments can be used to assess the effects of climate variability on lake ecosystems if ecological relationships between diatom community structure and environmental parameters are well understood. Cyclotella sensu lato taxa are a key group of diatoms that are frequently dominant members of ...
Miehls Andrea L J AL Department of Fisheries and Wildlife, Michigan State University, 480 Wilson Road, East Lansing, Michigan, 48824, USA; NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Road, Ann Arbor, Michigan, 48108, USA; Current address: USGS Hammond Bay Biological Station, 11188 Ray Road, Millersburg, Michigan, 49759, USA. - - 2014
Invasive species have widespread and pronounced effects on ecosystems and adaptive evolution of invaders is often considered responsible for their success. Despite the potential importance of adaptation to invasion, we still have limited knowledge of the agents of natural selection on invasive species. Bythotrephes longimanus, a cladoceran zooplankton, invaded multiple ...
Reine Kevin J KJ Environmental Laboratory, Wetlands and Coastal Ecology Branch, U.S. Army Engineer Research and Development Center, 3909 Halls Ferry Road, Vicksburg, Mississippi - - 2014
Sound recordings were made of two dredging operations at hydrophone depths of 3 and 9.1 m at distances up to 1.2 km from the source in shallow waters (<15 m) of New York Harbor. Sound sources included rock fracturing by a hydraulic cutterhead dredge and six distinct sources associated with a mechanical backhoe ...
Lavender Ashley L AL Old Dominion University, United States; - - 2014
Sea turtles reside in different acoustic environments with each life history stage and may have different hearing capacity throughout ontogeny. For this study, two independent yet complementary techniques for hearing assessment, i.e., behavioral and electrophysiological audiometry, were employed to (1) measure hearing in post-hatchling and juvenile loggerhead sea turtles Caretta ...
Jacobsen L L Technical University of Denmark, National Institute of Aquatic Resources, Vejlsøvej 39, 8600, Silkeborg, - - 2014
The effects of disturbances from recreational activities on the swimming speed and habitat use of roach Rutilus rutilus, perch Perca fluviatilis and pike Esox lucius were explored. Disturbances were applied for 4 h as (1) boating in short intervals with a small outboard internal combustion engine or (2) boating in short ...
Schlüter Louise L Department of Environment and Toxicology, DHI, Agern Allé 5, 2970, Hørsholm, Denmark, - - 2014
For 2 years, a baseline investigation was carried out to collect reference information of the present environmental status in the Fehmarn Belt and adjacent area. The temporal and spatial variability of phytoplankton was monitored by a combination of monitoring buoys, pigment analysis and fast screening microscopy. The overall phytoplankton succession in ...
Jo Kyoung-Nam KN Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, South - - 2014
An interhemispheric hydrologic seesaw-in which latitudinal migrations of the Intertropical Convergence Zone (ITCZ) produce simultaneous wetting (increased precipitation) in one hemisphere and drying in the other-has been discovered in some tropical and subtropical regions. For instance, Chinese and Brazilian subtropical speleothem (cave formations such as stalactites and stalagmites) records show ...
Russell James M JM Department of Geological Sciences, Brown University, Providence, RI - - 2014
The Indo-Pacific warm pool houses the largest zone of deep atmospheric convection on Earth and plays a critical role in global climate variations. Despite the region's importance, changes in Indo-Pacific hydroclimate on orbital timescales remain poorly constrained. Here we present high-resolution geochemical records of surface runoff and vegetation from sediment ...
Charvet Sophie S Département de Biologie, Université Laval, Québec, QC, Canada; Québec-Océan and Institut de Biologie Intégrative et des Systèmes (IBIS), Québec, QC, Canada; Centre d'études nordiques (CEN), Québec, QC, - - 2014
Protists in high latitude lakes are constrained by cold temperatures, low inorganic nutrient supply, and low light availability for much of the year due to ice cover and polar darkness. The lengthening ice-free periods in these freshwater ecosystems due to a warming climate results in increased light availability, but the ...
Mollalo A A Department of Geo-spatial Information System (GIS), Center of Excellence in GIS, K. N. Toosi University of Technology, Tehran, - - 2014
Zoonotic cutaneous leishmaniasis (ZCL), a vector-borne disease, poses serious psychological as well as social and economic burden to many rural areas of Iran. The main objectives of this study were to analyse yearly spatial distribution and the possible spatial and spatio-temporal clusters of the disease to better understand spatio-temporal epidemiological ...
Klapp Iftach - - 2014
A tunable extended depth of field (EDOF) imaging is presented using temporal multiplexing and a low-cost eight-ring, annular liquid crystal spatial light modulator. By changing between different phase profiles in the pupil plane of a lens we perform several levels of EDOF. Using these levels as a "database" it is ...
Gutstein Carolina Simon CS Departamento de Biología Red Paleontológica U Chile Laboratorio de Ontogenia y Filogenia Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago, Chile; Department of Paleobiology National Museum of Natural History, Smithsonian Institution, Washington, District of - - 2014
"River dolphins" are a paraphyletic group of toothed whales (Odontoceti) that represent independent secondary invasions of freshwater habitats. Different "river dolphin" lineages display suites of convergent morphological specializations that commonly reflect adaptations to riverine and freshwater environments, such as longirostry, reduced orbits, and wide, paddle-like flippers. One lineage, the Iniidae, ...
Krist Amy C AC Department of Zoology and Physiology and Program in Ecology, University of Wyoming, Laramie, Wyoming, United States of - - 2014
Local adaptation - typically recognized as higher values of fitness-related traits for native vs. non-native individuals when measured in the native environment - is common in natural populations because of pervasive spatial variation in the intensity and type of natural selection. Although local adaptation has been primarily studied in the ...
Budidha K K School of Engineering and Mathematical Sciences, City University, London, EC1V 0HB, - - 2014
For the last two decades, pulse oximetry has been used as a standard procedure for monitoring arterial oxygen saturation (SpO2). However, SpO2 measurements made from extremities such as the finger, ear lobe and toes become susceptible to inaccuracies when peripheral perfusion is compromised. To overcome these limitations, the external auditory ...
Guadayol Oscar O Hawai'i Institute of Marine Biology, School of Ocean and Earth Science and Technology, University of Hawai'i at Mānoa, Kāne'ohe, Hawai'i, United States of - - 2014
Spatial and temporal environmental variability are important drivers of ecological processes at all scales. As new tools allow the in situ exploration of individual responses to fluctuations, ecologically meaningful ways of characterizing environmental variability at organism scales are needed. We investigated the fine-scale spatial heterogeneity of high-frequency temporal variability in ...
Denommee K C KC 1] Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA, 70803, USA [2] Coastal Studies Institute, Louisiana State University, Baton Rouge, LA, 70803, - - 2014
Tropical cyclones (TCs) are powerful agents of destruction, and understanding climatic controls on TC patterns is of great importance. Over timescales of seasons to several decades, relationships among TC track, frequency, intensity and basin-scale climate changes are well documented by instrumental records. Over centuries to millennia, climate-shift influence on TC ...
Gambino Salvatore S Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania Osservatorio Etneo, Piazza Roma 2, 95123 Catania, - - 2014
We investigated the seismicity patterns associated with an M = 4.8 earthquake recorded in the Aeolian Archipelago on 16, August, 2010, by means of the region-time-length (RTL) algorithm. This earthquake triggered landslides at Lipari; a rock fall on the flanks of the Vulcano, Lipari, and Salina islands, and some damages ...
Belikov Nikolai N Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, - - 2014
Glacial-relict species of the genus Mysis (opossum shrimps) inhabiting both fresh-water lakes and brackish sea waters in northern Europe show a consistent lake/sea dichotomy in eye spectral sensitivity. The absorbance peak (λmax) recorded by microspectrophotometry in isolated rhabdoms is invariably 20-30 nm red-shifted in "lake" compared with "sea" populations. The ...
Hu Yi Y Department of Epidemiology and Biostatistics, School of Public Health, Fudan University, Shanghai 200032, China. - - 2014
We compared changes in the spatial clustering of schistosomiasis in Southwest China at the conclusion of and six years following the end of the World Bank Loan Project (WBLP), the control strategy of which was focused on the large-scale use of chemotherapy. Parasitological data were obtained through standardized surveys conducted ...
Roy Charlotte L CL Wetland Wildlife Populations and Research Group, Minnesota Department of Natural Resources, Bemidji, Minnesota, United States of - - 2014
The post-fledging period is one of the least studied portions of the annual cycle in waterfowl. Yet, recruitment into the breeding population requires that young birds have sufficient resources to survive this period. We used radio-telemetry and generalized estimating equations to examine support for four hypotheses regarding the drivers of ...
Rohácek Karel K Biology Centre AS CR, p.r.i., IPMB, , Branisovska 31, Ceske Budejovice 37005, Czech - - 2014
Diatoms are especially important microorganisms because they constitute the larger group of microalgae. To survive the constant variations of the light environment, diatoms have developed mechanisms aiming at the dissipation of excess energy, such as the xanthophyll cycle and the non-photochemical chlorophyll (Chl) fluorescence quenching. This contribution is dedicated to ...
Knudsen Mads Faurschou MF Centre for Past Climate Studies, Department of Geoscience, Aarhus University, Høegh-Guldsbergs Gade 2, Aarhus C DK-8000, - - 2014
The Atlantic Multidecadal Oscillation (AMO) represents a significant driver of Northern Hemisphere climate, but the forcing mechanisms pacing the AMO remain poorly understood. Here we use the available proxy records to investigate the influence of solar and volcanic forcing on the AMO over the last ~450 years. The evidence suggests ...
Aravena Guillermo G Centro de Estudios Avanzados en Zonas Áridas, Facultad Ciencias del Mar, Universidad Católica del Norte, Coquimbo, - - 2014
We use time-series analyses to characterize the effects of recent climate variability upon the local physical conditions at 11 study sites along the northern-central coast of Chile (29-34°S). Environmental indices show that the 1° Bakun upwelling index in this coastal region has fluctuated in time, starting from a stable period ...
Zinke J J 1] UWA Oceans Institute, 39 Fairway, Nedlands, Western Australia 6009, Australia [2] UWA School of Earth and Environment, 35 Stirling Highway, Crawley, Western Australia 6009, Australia [3] Australian Institute of Marine Science, PMB 3, Townsville MC, Queensland 4810, - - 2014
Variability of the Leeuwin current (LC) off Western Australia is a footprint of interannual and decadal climate variations in the tropical Indo-Pacific. La Niña events often result in a strengthened LC, high coastal sea levels and unusually warm sea surface temperatures (SSTs), termed Ningaloo Niño. The rarity of such extreme ...
Báez José C JC Instituto Español de Oceanografía, Centro Oceanográfico de Málaga, Puerto Pesquero s/n, Fuengirola, 29640 Málaga, Spain ; Biogeography, Diversity, and Conservation Research Team, Department of Animal Biology, University of Málaga, 29071 Málaga, - - 2014
Recent studies showed that regional abundance of loggerhead and leatherback turtles could oscillate interannually according to oceanographic and climatic conditions. The Western Mediterranean is an important fishing area for the Spanish drifting longline fleet, which mainly targets swordfish, bluefin tuna, and albacore. Due to the spatial overlapping in fishing activity ...
Jessen Christian C Coral Reef Ecology Group (CORE), Leibniz Center for Tropical Marine Ecology , Bremen , - - 2014
In the Central Red Sea, healthy coral reefs meet intense coastal development, but data on the effects of related stressors for reef functioning are lacking. This in situ study therefore investigated the independent and combined effects of simulated overfishing through predator/grazer exclusion and simulated eutrophication through fertilizer addition on settlement ...
Lachniet Matthew S MS Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Parkway, Las Vegas, Nevada 89154, - - 2014
The now arid Great Basin of western North America hosted expansive late Quaternary pluvial lakes, yet the climate forcings that sustained large ice age hydrologic variations remain controversial. Here we present a 175,000 year oxygen isotope record from precisely-dated speleothems that documents a previously unrecognized and highly sensitive link between ...
Li Zhao Z School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China. - - 2014
The site displacement due to ocean tidal loading is regarded as one of the largest uncertainties in precise geodetic positioning measurements, among which the effect of minor ocean tides (MOT), except for the 11 main tidal constituents, are sometimes neglected in routine precise global positioning system (GPS) data processing. We ...
Tiberti Mara Monica MM Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, - - 2014
Studies of past sea-level markers are commonly used to unveil the tectonic history and seismic behavior of subduction zones. We present new evidence on vertical motions of the Hellenic subduction zone as resulting from a suite of Late Pleistocene - Holocene shorelines in western Crete (Greece). Shoreline ages obtained by ...
Kim Sungho S Yeungnam University 280 Daehak-Ro, Gyeongsan, Gyeongbuk 712-749, Korea. - - 2014
This paper presents a region-adaptive clutter rejection method for small target detection in sea-based infrared search and track. In the real world, clutter normally generates many false detections that impede the deployment of such detection systems. Incoming targets (missiles, boats, etc.) can be located in the sky, horizon and sea ...
López-Sauceda Juan J Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Querétaro, México. ; Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro. Av. de las Ciencias s/n Junquilla. Delegación Santa Rosa Jáuregui, Querétaro, - - 2014
A modularity approach is used to study disparity rates and evolvability of sea urchins belonging to the Atelostomata superorder. For this purpose, the pentameric sea urchin architecture is partitioned into modular spatial components and the interference between modules is quantified using areas and a measurement of the regularity of the ...
Larsen Chelsea C CC *Human Performance Research Laboratory, Department of Human Performance and Health Education, Western Michigan University, Kalamazoo, Michigan †Department of Human Performance and Recreation, The University of Southern Mississippi, Hattiesburg, - - 2013
Flexibility, which is the ability to move freely through a full range of motion (ROM), is desired to enhance performance and decrease the likelihood of muscle injury. There are different techniques used to increase ROM and cryotherapy techniques to facilitation flexibility gains. However, the combination of stretching and type of ...
Ausden Malcolm M RSPB, The Lodge, Sandy, Bedfordshire, SG19 2DL, UK, - - 2013
Carrying out wildlife conservation in a changing climate requires planning on long timescales at both a site and network level, while also having the flexibility to adapt actions at sites over short timescales in response to changing conditions and new information. The Royal Society for the Protection of Birds (RSPB), ...
Wu Shaohua - - 2013
Terrestrial net primary production (NPP) is an important measure of global change, and identifying the relative contributions of urbanisation and climate change to NPP is important for understanding the impact of human and natural influences on terrestrial systems and the carbon cycle. The objective of this study was to reveal ...
Pálffy Károly - - 2013
Winter phytoplankton communities in the shallow alkaline pans of Hungary are frequently dominated by picoeukaryotes, sometimes in particularly high abundance. In winter 2012, the ice-covered alkaline Zab-szék pan was found to be extraordinarily rich in picoeukaryotic green algae (42-82 × 10(6) cells ml(-1)) despite the simultaneous presence of multiple stressors (low temperature and light ...
Barra Daniel - - 2013
To evaluate light scattering and light transmittance of Ioflex hydrophilic acrylic intraocular lenses (IOLs) explanted because of clinically significant opacification secondary to calcification. John A. Moran Eye Center, University of Utah, Salt Lake City, Utah, USA. Experimental study. Seven explanted and 8 control Ioflex IOLs were studied. Gross and light ...
Halfar Jochen J Department of Chemical and Physical Sciences, University of Toronto at Mississauga, Mississauga, ON, Canada L5L - - 2013
Northern Hemisphere sea ice has been declining sharply over the past decades and 2012 exhibited the lowest Arctic summer sea-ice cover in historic times. Whereas ongoing changes are closely monitored through satellite observations, we have only limited data of past Arctic sea-ice cover derived from short historical records, indirect terrestrial ...
Tedstone Andrew J AJ School of Geosciences, University of Edinburgh, Edinburgh EH8 9XP, - - 2013
Changes to the dynamics of the Greenland ice sheet can be forced by various mechanisms including surface-melt-induced ice acceleration and oceanic forcing of marine-terminating glaciers. We use observations of ice motion to examine the surface melt-induced dynamic response of a land-terminating outlet glacier in southwest Greenland to the exceptional melting ...
Díez-Vives Cristina - - 2013
The abundance and structure of Bacteroidetes populations at diverse temporal and spatial scales were investigated in the Northwestern Mediterranean Sea. At a temporal scale, their relative abundance exhibited a marked seasonality, since it was higher in spring and decreased in winter. Similarly, Bacteroidetes community structure encompassed three main groups (winter, ...
Kim Diane Y - - 2013
The monthly, seasonal and interannual variability of microbial eukaryote assemblages were examined at 5 m, the deep chlorophyll maximum, 150 m and 500 m at the San Pedro Ocean Time-series station (eastern North Pacific). The depths spanned transitions in temperature, light, nutrients and oxygen, and included a persistently hypoxic environment at 500 m. Terminal ...
Vick-Majors Trista J - - 2013
High-latitude environments, such as the Antarctic McMurdo Dry Valley lakes, are subject to seasonally segregated light-dark cycles, which have important consequences for microbial diversity and function on an annual basis. Owing largely to the logistical difficulties of sampling polar environments during the darkness of winter, little is known about planktonic ...
Benson Jennifer L - - 2013
The relationship of eelgrass survival and habitat quality to water column nitrogen level, phytoplankton biomass, particulate matter, bottom light intensity, and light attenuation was quantified at 70 sites within 19 Massachusetts estuaries through 4 growing seasons (2007-2009, 2011). Sites included a range of eelgrass habitat quality, from stable productive eelgrass ...
Kastelein Ronald A - - 2013
The high under-water sound pressure levels (SPLs) produced during pile driving to build offshore wind turbines may affect harbor porpoises. To estimate the discomfort threshold of pile driving sounds, a porpoise in a quiet pool was exposed to playbacks (46 strikes/min) at five SPLs (6 dB steps: 130-154 dB re 1 μPa). The spectrum ...
Smith Jeremy D - - 2013
The purpose of this study was to investigate the effects of asymmetrical loading on the intersegmental dynamics of the swing phase. Participants were asked to walk on a treadmill for 20min under three loading conditions: (a) unloaded baseline, (b) 2kg attached to the dominant limb's ankle, and (c) post-load, following ...
French Scott - - 2013
Understanding the relationship between different scales of convection that drive plate motions and hotspot volcanism still eludes geophysicists. Using full-waveform seismic tomography, we imaged a pattern of horizontally elongated bands of low shear velocity, most prominent between 200 to 350 km depth, which extends below the well-developed low-velocity zone. These ...
Goldberg Jay M - - 2013
Intra-axonal recordings were made from bouton fibers near their termination in the turtle posterior crista. Spike discharge, miniature excitatory postsynaptic potentials (mEPSPs) and afterhyperpolarizations (AHPs) were monitored during resting activity in both regularly and irregularly discharging units. Quantal size (qsize) and quantal rate (qrate) were estimated by shot-noise theory. Theoretically, ...
Yamamoto Masahiro - - 2013
Deep-sea chemistry: The electrochemical analysis of hydrothermal fluids and the ambient seawater with fuel cells installed in deep-sea hydrothermal vents provided evidence for the possibility of generating electricity in the deep sea. The illumination of light-emitting diodes in the dark environment also confirmed this prospect.
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